CompTIA Network+ N10-009 Wireless Channels Security Antennas And Deployment Models Practice Test

 

Objective 2.3 • 25 original questions

This CompTIA Network+ N10-009 practice test focuses on wireless devices and technologies. All questions are original ExamSnap scenarios aligned to the current N10-009 blueprint; they are not copied from CompTIA exam content. Use the complete N10-009 collection for broader practice across all five domains. For broader exam preparation, review the CompTIA Network+ N10-009 Exam Dumps page.

Instructions: Select the best answer for each question. Review the explanation after answering; each distractor includes a reason it is not the best choice for that scenario.

Question 1

At Litware Manufacturing, a systems administrator is reviewing a network change. The requirement is to prioritize coverage/penetration where spectrum congestion can be managed. Which option is the best fit? The decision applies to a branch-office rollout.

2. 2.4 GHz Wi-Fi
3. Directional antenna
4. 802.11h
5. PSK authentication
6. WPA3

Correct answer: A

Why: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands. This directly satisfies the requirement: prioritize coverage/penetration where spectrum congestion can be managed.

Option review:

A: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands. This directly satisfies the requirement: prioritize coverage/penetration where spectrum congestion can be managed.

B: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: prioritize coverage/penetration where spectrum congestion can be managed.

C: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: prioritize coverage/penetration where spectrum congestion can be managed.

D: Uses a shared pre-shared key and is simpler but less scalable/accountable than enterprise authentication. However, it does not most directly satisfy the requirement in this scenario: prioritize coverage/penetration where spectrum congestion can be managed.

E: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. However, it does not most directly satisfy the requirement in this scenario: prioritize coverage/penetration where spectrum congestion can be managed.

Learning point: Use 2.4 GHz Wi-Fi when the key requirement is to prioritize coverage/penetration where spectrum congestion can be managed.

Question 2

A ticket at Woodgrove Bank says the team must increase Wi-Fi capacity and reduce 2.4 GHz congestion. Which technology or concept most directly addresses this requirement? The decision applies to a campus refresh.

1. 5 GHz Wi-Fi
2. 802.11h
3. Infrastructure WLAN
4. Band steering
5. Lightweight AP

Correct answer: A

Why: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. This directly satisfies the requirement: increase Wi-Fi capacity and reduce 2.4 GHz congestion.

Option review:

A: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. This directly satisfies the requirement: increase Wi-Fi capacity and reduce 2.4 GHz congestion.

B: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: increase Wi-Fi capacity and reduce 2.4 GHz congestion.

C: Clients connect through access points that bridge them to the network. However, it does not most directly satisfy the requirement in this scenario: increase Wi-Fi capacity and reduce 2.4 GHz congestion.

D: Encourages capable clients toward a preferred band such as 5 or 6 GHz. However, it does not most directly satisfy the requirement in this scenario: increase Wi-Fi capacity and reduce 2.4 GHz congestion.

E: Relies on a controller for centralized configuration/control functions. However, it does not most directly satisfy the requirement in this scenario: increase Wi-Fi capacity and reduce 2.4 GHz congestion.

Learning point: Use 5 GHz Wi-Fi when the key requirement is to increase Wi-Fi capacity and reduce 2.4 GHz congestion.

Question 3

During a design meeting at Blue Yonder Airlines, the junior network administrator needs to use newly available Wi-Fi spectrum for supported modern clients. What should be selected? The decision applies to a data-center segment.

1. SSID
2. Band steering
3. Autonomous AP
4. 6 GHz Wi-Fi
5. 2.4 GHz Wi-Fi

Correct answer: D

Why: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. This directly satisfies the requirement: use newly available Wi-Fi spectrum for supported modern clients.

Option review:

A: The service set identifier is the human-readable wireless network name. However, it does not most directly satisfy the requirement in this scenario: use newly available Wi-Fi spectrum for supported modern clients.

B: Encourages capable clients toward a preferred band such as 5 or 6 GHz. However, it does not most directly satisfy the requirement in this scenario: use newly available Wi-Fi spectrum for supported modern clients.

C: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: use newly available Wi-Fi spectrum for supported modern clients.

D: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. This directly satisfies the requirement: use newly available Wi-Fi spectrum for supported modern clients.

E: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands. However, it does not most directly satisfy the requirement in this scenario: use newly available Wi-Fi spectrum for supported modern clients.

Learning point: Use 6 GHz Wi-Fi when the key requirement is to use newly available Wi-Fi spectrum for supported modern clients.

Question 4

Contoso Health is updating its network standard. Which option best meets the need to balance per-client throughput against channel reuse and interference? The decision applies to a remote-site migration.

1. Captive portal
2. Autonomous AP
3. Ad hoc network
4. Channel width
5. Lightweight AP

Correct answer: D

Why: Wider channels can increase throughput but consume more spectrum and may increase interference. This directly satisfies the requirement: balance per-client throughput against channel reuse and interference.

Option review:

A: Redirects guest users to a web page for acceptance/authentication before network access. However, it does not most directly satisfy the requirement in this scenario: balance per-client throughput against channel reuse and interference.

B: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: balance per-client throughput against channel reuse and interference.

C: Wireless clients communicate peer-to-peer without an infrastructure AP. However, it does not most directly satisfy the requirement in this scenario: balance per-client throughput against channel reuse and interference.

D: Wider channels can increase throughput but consume more spectrum and may increase interference. This directly satisfies the requirement: balance per-client throughput against channel reuse and interference.

E: Relies on a controller for centralized configuration/control functions. However, it does not most directly satisfy the requirement in this scenario: balance per-client throughput against channel reuse and interference.

Learning point: Use Channel width when the key requirement is to balance per-client throughput against channel reuse and interference.

Question 5

A field technician at Litware Manufacturing is validating a proposed solution. The design must reduce Wi-Fi interference by planning channel reuse. Which answer is most appropriate? The decision applies to a operations lab.

1. PSK authentication
2. Autonomous AP
3. Enterprise authentication
4. Non-overlapping channels
5. WPA2

Correct answer: D

Why: Channel planning avoids adjacent/co-channel interference, especially in 2.4 GHz deployments. This directly satisfies the requirement: reduce Wi-Fi interference by planning channel reuse.

Option review:

A: Uses a shared pre-shared key and is simpler but less scalable/accountable than enterprise authentication. However, it does not most directly satisfy the requirement in this scenario: reduce Wi-Fi interference by planning channel reuse.

B: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: reduce Wi-Fi interference by planning channel reuse.

C: Uses per-user/device authentication, commonly 802.1X/EAP with RADIUS. However, it does not most directly satisfy the requirement in this scenario: reduce Wi-Fi interference by planning channel reuse.

D: Channel planning avoids adjacent/co-channel interference, especially in 2.4 GHz deployments. This directly satisfies the requirement: reduce Wi-Fi interference by planning channel reuse.

E: Provides modern Wi-Fi security using AES/CCMP in standard secure deployments, though WPA3 is newer. However, it does not most directly satisfy the requirement in this scenario: reduce Wi-Fi interference by planning channel reuse.

Learning point: Use Non-overlapping channels when the key requirement is to reduce Wi-Fi interference by planning channel reuse.

Question 6

For a new deployment at Woodgrove Bank, the networking team wants to meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels. Which choice most directly satisfies the goal? The decision applies to a production maintenance window.

1. WPA3
2. 802.11h
3. Directional antenna
4. 2.4 GHz Wi-Fi
5. Enterprise authentication

Correct answer: B

Why: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. This directly satisfies the requirement: meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels.

Option review:

A: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. However, it does not most directly satisfy the requirement in this scenario: meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels.

B: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. This directly satisfies the requirement: meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels.

C: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels.

D: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands. However, it does not most directly satisfy the requirement in this scenario: meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels.

E: Uses per-user/device authentication, commonly 802.1X/EAP with RADIUS. However, it does not most directly satisfy the requirement in this scenario: meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels.

Learning point: Use 802.11h when the key requirement is to meet radar-avoidance and transmit-power requirements in regulated 5 GHz channels.

Question 7

At Blue Yonder Airlines, a systems administrator is reviewing a network change. The requirement is to move dual-band clients away from congested 2.4 GHz when possible. Which option is the best fit? The decision applies to a new floor deployment.

1. Band steering
2. Autonomous AP
3. Infrastructure WLAN
4. Directional antenna
5. 6 GHz Wi-Fi

Correct answer: A

Why: Encourages capable clients toward a preferred band such as 5 or 6 GHz. This directly satisfies the requirement: move dual-band clients away from congested 2.4 GHz when possible.

Option review:

A: Encourages capable clients toward a preferred band such as 5 or 6 GHz. This directly satisfies the requirement: move dual-band clients away from congested 2.4 GHz when possible.

B: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: move dual-band clients away from congested 2.4 GHz when possible.

C: Clients connect through access points that bridge them to the network. However, it does not most directly satisfy the requirement in this scenario: move dual-band clients away from congested 2.4 GHz when possible.

D: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: move dual-band clients away from congested 2.4 GHz when possible.

E: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. However, it does not most directly satisfy the requirement in this scenario: move dual-band clients away from congested 2.4 GHz when possible.

Learning point: Use Band steering when the key requirement is to move dual-band clients away from congested 2.4 GHz when possible.

Question 8

A ticket at Contoso Health says the team must configure the name users see when selecting a Wi-Fi network. Which technology or concept most directly addresses this requirement? The decision applies to a service-recovery review.

1. Directional antenna
2. SSID
3. Channel width
4. 5 GHz Wi-Fi
5. PSK authentication

Correct answer: B

Why: The service set identifier is the human-readable wireless network name. This directly satisfies the requirement: configure the name users see when selecting a Wi-Fi network.

Option review:

A: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: configure the name users see when selecting a Wi-Fi network.

B: The service set identifier is the human-readable wireless network name. This directly satisfies the requirement: configure the name users see when selecting a Wi-Fi network.

C: Wider channels can increase throughput but consume more spectrum and may increase interference. However, it does not most directly satisfy the requirement in this scenario: configure the name users see when selecting a Wi-Fi network.

D: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: configure the name users see when selecting a Wi-Fi network.

E: Uses a shared pre-shared key and is simpler but less scalable/accountable than enterprise authentication. However, it does not most directly satisfy the requirement in this scenario: configure the name users see when selecting a Wi-Fi network.

Learning point: Use SSID when the key requirement is to configure the name users see when selecting a Wi-Fi network.

Question 9

During a design meeting at Litware Manufacturing, the junior network administrator needs to distinguish a specific AP radio/basic service set even when several APs advertise the same SSID. What should be selected? The decision applies to a branch-office rollout.

1. SSID
2. 6 GHz Wi-Fi
3. 802.11h
4. Lightweight AP
5. BSSID

Correct answer: E

Why: A BSSID uniquely identifies a basic service set, commonly corresponding to an AP radio MAC address. This directly satisfies the requirement: distinguish a specific AP radio/basic service set even when several APs advertise the same SSID.

Option review:

A: The service set identifier is the human-readable wireless network name. However, it does not most directly satisfy the requirement in this scenario: distinguish a specific AP radio/basic service set even when several APs advertise the same SSID.

B: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. However, it does not most directly satisfy the requirement in this scenario: distinguish a specific AP radio/basic service set even when several APs advertise the same SSID.

C: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: distinguish a specific AP radio/basic service set even when several APs advertise the same SSID.

D: Relies on a controller for centralized configuration/control functions. However, it does not most directly satisfy the requirement in this scenario: distinguish a specific AP radio/basic service set even when several APs advertise the same SSID.

E: A BSSID uniquely identifies a basic service set, commonly corresponding to an AP radio MAC address. This directly satisfies the requirement: distinguish a specific AP radio/basic service set even when several APs advertise the same SSID.

Learning point: Use BSSID when the key requirement is to distinguish a specific AP radio/basic service set even when several APs advertise the same SSID.

Question 10

Woodgrove Bank is updating its network standard. Which option best meets the need to provide one logical wireless network across multiple access points? The decision applies to a campus refresh.

1. Autonomous AP
2. Directional antenna
3. ESSID
4. 5 GHz Wi-Fi
5. 6 GHz Wi-Fi

Correct answer: C

Why: An extended service set uses the same network identity across multiple APs for broader roaming coverage. This directly satisfies the requirement: provide one logical wireless network across multiple access points.

Option review:

A: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: provide one logical wireless network across multiple access points.

B: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: provide one logical wireless network across multiple access points.

C: An extended service set uses the same network identity across multiple APs for broader roaming coverage. This directly satisfies the requirement: provide one logical wireless network across multiple access points.

D: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: provide one logical wireless network across multiple access points.

E: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. However, it does not most directly satisfy the requirement in this scenario: provide one logical wireless network across multiple access points.

Learning point: Use ESSID when the key requirement is to provide one logical wireless network across multiple access points.

Question 11

A field technician at Blue Yonder Airlines is validating a proposed solution. The design must connect wireless peers directly without an access point. Which answer is most appropriate? The decision applies to a data-center segment.

1. Ad hoc network
2. BSSID
3. ESSID
4. Captive portal
5. 802.11h

Correct answer: A

Why: Wireless clients communicate peer-to-peer without an infrastructure AP. This directly satisfies the requirement: connect wireless peers directly without an access point.

Option review:

A: Wireless clients communicate peer-to-peer without an infrastructure AP. This directly satisfies the requirement: connect wireless peers directly without an access point.

B: A BSSID uniquely identifies a basic service set, commonly corresponding to an AP radio MAC address. However, it does not most directly satisfy the requirement in this scenario: connect wireless peers directly without an access point.

C: An extended service set uses the same network identity across multiple APs for broader roaming coverage. However, it does not most directly satisfy the requirement in this scenario: connect wireless peers directly without an access point.

D: Redirects guest users to a web page for acceptance/authentication before network access. However, it does not most directly satisfy the requirement in this scenario: connect wireless peers directly without an access point.

E: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: connect wireless peers directly without an access point.

Learning point: Use Ad hoc network when the key requirement is to connect wireless peers directly without an access point.

Question 12

For a new deployment at Contoso Health, the networking team wants to use standard enterprise Wi-Fi with access points. Which choice most directly satisfies the goal? The decision applies to a remote-site migration.

1. SSID
2. Directional antenna
3. Infrastructure WLAN
4. Enterprise authentication
5. WPA3

Correct answer: C

Why: Clients connect through access points that bridge them to the network. This directly satisfies the requirement: use standard enterprise Wi-Fi with access points.

Option review:

A: The service set identifier is the human-readable wireless network name. However, it does not most directly satisfy the requirement in this scenario: use standard enterprise Wi-Fi with access points.

B: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: use standard enterprise Wi-Fi with access points.

C: Clients connect through access points that bridge them to the network. This directly satisfies the requirement: use standard enterprise Wi-Fi with access points.

D: Uses per-user/device authentication, commonly 802.1X/EAP with RADIUS. However, it does not most directly satisfy the requirement in this scenario: use standard enterprise Wi-Fi with access points.

E: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. However, it does not most directly satisfy the requirement in this scenario: use standard enterprise Wi-Fi with access points.

Learning point: Use Infrastructure WLAN when the key requirement is to use standard enterprise Wi-Fi with access points.

Question 13

At Litware Manufacturing, a systems administrator is reviewing a network change. The requirement is to support secure Wi-Fi for clients that may not support WPA3. Which option is the best fit? The decision applies to a operations lab.

802. 802.11h
803. BSSID
804. WPA2
805. 5 GHz Wi-Fi
806. Autonomous AP

Correct answer: C

Why: Provides modern Wi-Fi security using AES/CCMP in standard secure deployments, though WPA3 is newer. This directly satisfies the requirement: support secure Wi-Fi for clients that may not support WPA3.

Option review:

A: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: support secure Wi-Fi for clients that may not support WPA3.

B: A BSSID uniquely identifies a basic service set, commonly corresponding to an AP radio MAC address. However, it does not most directly satisfy the requirement in this scenario: support secure Wi-Fi for clients that may not support WPA3.

C: Provides modern Wi-Fi security using AES/CCMP in standard secure deployments, though WPA3 is newer. This directly satisfies the requirement: support secure Wi-Fi for clients that may not support WPA3.

D: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: support secure Wi-Fi for clients that may not support WPA3.

E: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: support secure Wi-Fi for clients that may not support WPA3.

Learning point: Use WPA2 when the key requirement is to support secure Wi-Fi for clients that may not support WPA3.

Question 14

A ticket at Woodgrove Bank says the team must use the newest listed Wi-Fi security standard for supported clients. Which technology or concept most directly addresses this requirement? The decision applies to a production maintenance window.

1. Ad hoc network
2. 802.11h
3. Non-overlapping channels
4. Autonomous AP
5. WPA3

Correct answer: E

Why: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. This directly satisfies the requirement: use the newest listed Wi-Fi security standard for supported clients.

Option review:

A: Wireless clients communicate peer-to-peer without an infrastructure AP. However, it does not most directly satisfy the requirement in this scenario: use the newest listed Wi-Fi security standard for supported clients.

B: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: use the newest listed Wi-Fi security standard for supported clients.

C: Channel planning avoids adjacent/co-channel interference, especially in 2.4 GHz deployments. However, it does not most directly satisfy the requirement in this scenario: use the newest listed Wi-Fi security standard for supported clients.

D: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: use the newest listed Wi-Fi security standard for supported clients.

E: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. This directly satisfies the requirement: use the newest listed Wi-Fi security standard for supported clients.

Learning point: Use WPA3 when the key requirement is to use the newest listed Wi-Fi security standard for supported clients.

Question 15

During a design meeting at Blue Yonder Airlines, the junior network administrator needs to secure a small WLAN without per-user credentials or a RADIUS backend. What should be selected? The decision applies to a new floor deployment.

1. PSK authentication
2. 5 GHz Wi-Fi
3. BSSID
4. Non-overlapping channels
5. 802.11h

Correct answer: A

Why: Uses a shared pre-shared key and is simpler but less scalable/accountable than enterprise authentication. This directly satisfies the requirement: secure a small WLAN without per-user credentials or a RADIUS backend.

Option review:

A: Uses a shared pre-shared key and is simpler but less scalable/accountable than enterprise authentication. This directly satisfies the requirement: secure a small WLAN without per-user credentials or a RADIUS backend.

B: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: secure a small WLAN without per-user credentials or a RADIUS backend.

C: A BSSID uniquely identifies a basic service set, commonly corresponding to an AP radio MAC address. However, it does not most directly satisfy the requirement in this scenario: secure a small WLAN without per-user credentials or a RADIUS backend.

D: Channel planning avoids adjacent/co-channel interference, especially in 2.4 GHz deployments. However, it does not most directly satisfy the requirement in this scenario: secure a small WLAN without per-user credentials or a RADIUS backend.

E: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: secure a small WLAN without per-user credentials or a RADIUS backend.

Learning point: Use PSK authentication when the key requirement is to secure a small WLAN without per-user credentials or a RADIUS backend.

Question 16

Contoso Health is updating its network standard. Which option best meets the need to provide individual enterprise Wi-Fi credentials and centralized AAA? The decision applies to a service-recovery review.

1. SSID
2. PSK authentication
3. Band steering
4. 802.11h
5. Enterprise authentication

Correct answer: E

Why: Uses per-user/device authentication, commonly 802.1X/EAP with RADIUS. This directly satisfies the requirement: provide individual enterprise Wi-Fi credentials and centralized AAA.

Option review:

A: The service set identifier is the human-readable wireless network name. However, it does not most directly satisfy the requirement in this scenario: provide individual enterprise Wi-Fi credentials and centralized AAA.

B: Uses a shared pre-shared key and is simpler but less scalable/accountable than enterprise authentication. However, it does not most directly satisfy the requirement in this scenario: provide individual enterprise Wi-Fi credentials and centralized AAA.

C: Encourages capable clients toward a preferred band such as 5 or 6 GHz. However, it does not most directly satisfy the requirement in this scenario: provide individual enterprise Wi-Fi credentials and centralized AAA.

D: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: provide individual enterprise Wi-Fi credentials and centralized AAA.

E: Uses per-user/device authentication, commonly 802.1X/EAP with RADIUS. This directly satisfies the requirement: provide individual enterprise Wi-Fi credentials and centralized AAA.

Learning point: Use Enterprise authentication when the key requirement is to provide individual enterprise Wi-Fi credentials and centralized AAA.

Question 17

A field technician at Litware Manufacturing is validating a proposed solution. The design must require guest users to accept terms or sign in through a browser. Which answer is most appropriate? The decision applies to a branch-office rollout.

1. BSSID
2. 5 GHz Wi-Fi
3. Enterprise authentication
4. WPA3
5. Captive portal

Correct answer: E

Why: Redirects guest users to a web page for acceptance/authentication before network access. This directly satisfies the requirement: require guest users to accept terms or sign in through a browser.

Option review:

A: A BSSID uniquely identifies a basic service set, commonly corresponding to an AP radio MAC address. However, it does not most directly satisfy the requirement in this scenario: require guest users to accept terms or sign in through a browser.

B: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: require guest users to accept terms or sign in through a browser.

C: Uses per-user/device authentication, commonly 802.1X/EAP with RADIUS. However, it does not most directly satisfy the requirement in this scenario: require guest users to accept terms or sign in through a browser.

D: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. However, it does not most directly satisfy the requirement in this scenario: require guest users to accept terms or sign in through a browser.

E: Redirects guest users to a web page for acceptance/authentication before network access. This directly satisfies the requirement: require guest users to accept terms or sign in through a browser.

Learning point: Use Captive portal when the key requirement is to require guest users to accept terms or sign in through a browser.

Question 18

For a new deployment at Woodgrove Bank, the networking team wants to connect buildings or cover a focused area rather than radiating equally in all directions. Which choice most directly satisfies the goal? The decision applies to a campus refresh.

1. Omnidirectional antenna
2. Lightweight AP
3. Captive portal
4. 5 GHz Wi-Fi
5. Directional antenna

Correct answer: E

Why: Focuses RF energy in a specific direction for point-to-point or targeted coverage. This directly satisfies the requirement: connect buildings or cover a focused area rather than radiating equally in all directions.

Option review:

A: Radiates primarily around the antenna in a broad horizontal pattern. However, it does not most directly satisfy the requirement in this scenario: connect buildings or cover a focused area rather than radiating equally in all directions.

B: Relies on a controller for centralized configuration/control functions. However, it does not most directly satisfy the requirement in this scenario: connect buildings or cover a focused area rather than radiating equally in all directions.

C: Redirects guest users to a web page for acceptance/authentication before network access. However, it does not most directly satisfy the requirement in this scenario: connect buildings or cover a focused area rather than radiating equally in all directions.

D: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: connect buildings or cover a focused area rather than radiating equally in all directions.

E: Focuses RF energy in a specific direction for point-to-point or targeted coverage. This directly satisfies the requirement: connect buildings or cover a focused area rather than radiating equally in all directions.

Learning point: Use Directional antenna when the key requirement is to connect buildings or cover a focused area rather than radiating equally in all directions.

Question 19

At Blue Yonder Airlines, a systems administrator is reviewing a network change. The requirement is to provide broad local coverage around an access point. Which option is the best fit? The decision applies to a data-center segment.

1. ESSID
2. Autonomous AP
3. Band steering
4. Omnidirectional antenna
5. SSID

Correct answer: D

Why: Radiates primarily around the antenna in a broad horizontal pattern. This directly satisfies the requirement: provide broad local coverage around an access point.

Option review:

A: An extended service set uses the same network identity across multiple APs for broader roaming coverage. However, it does not most directly satisfy the requirement in this scenario: provide broad local coverage around an access point.

B: Operates with local standalone configuration rather than depending on a controller. However, it does not most directly satisfy the requirement in this scenario: provide broad local coverage around an access point.

C: Encourages capable clients toward a preferred band such as 5 or 6 GHz. However, it does not most directly satisfy the requirement in this scenario: provide broad local coverage around an access point.

D: Radiates primarily around the antenna in a broad horizontal pattern. This directly satisfies the requirement: provide broad local coverage around an access point.

E: The service set identifier is the human-readable wireless network name. However, it does not most directly satisfy the requirement in this scenario: provide broad local coverage around an access point.

Learning point: Use Omnidirectional antenna when the key requirement is to provide broad local coverage around an access point.

Question 20

A ticket at Contoso Health says the team must centrally manage many APs through a wireless controller. Which technology or concept most directly addresses this requirement? The decision applies to a remote-site migration.

1. Enterprise authentication
2. Captive portal
3. 6 GHz Wi-Fi
4. 802.11h
5. Lightweight AP

Correct answer: E

Why: Relies on a controller for centralized configuration/control functions. This directly satisfies the requirement: centrally manage many APs through a wireless controller.

Option review:

A: Uses per-user/device authentication, commonly 802.1X/EAP with RADIUS. However, it does not most directly satisfy the requirement in this scenario: centrally manage many APs through a wireless controller.

B: Redirects guest users to a web page for acceptance/authentication before network access. However, it does not most directly satisfy the requirement in this scenario: centrally manage many APs through a wireless controller.

C: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. However, it does not most directly satisfy the requirement in this scenario: centrally manage many APs through a wireless controller.

D: Adds spectrum-management features such as DFS/TPC for regulatory operation in certain 5 GHz bands. However, it does not most directly satisfy the requirement in this scenario: centrally manage many APs through a wireless controller.

E: Relies on a controller for centralized configuration/control functions. This directly satisfies the requirement: centrally manage many APs through a wireless controller.

Learning point: Use Lightweight AP when the key requirement is to centrally manage many APs through a wireless controller.

Question 21

During a design meeting at Litware Manufacturing, the junior network administrator needs to deploy a small standalone wireless site without centralized controller dependence. What should be selected? The decision applies to a operations lab.

1. Captive portal
2. Autonomous AP
3. 6 GHz Wi-Fi
4. 5 GHz Wi-Fi
5. 2.4 GHz Wi-Fi

Correct answer: B

Why: Operates with local standalone configuration rather than depending on a controller. This directly satisfies the requirement: deploy a small standalone wireless site without centralized controller dependence.

Option review:

A: Redirects guest users to a web page for acceptance/authentication before network access. However, it does not most directly satisfy the requirement in this scenario: deploy a small standalone wireless site without centralized controller dependence.

B: Operates with local standalone configuration rather than depending on a controller. This directly satisfies the requirement: deploy a small standalone wireless site without centralized controller dependence.

C: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. However, it does not most directly satisfy the requirement in this scenario: deploy a small standalone wireless site without centralized controller dependence.

D: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: deploy a small standalone wireless site without centralized controller dependence.

E: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands. However, it does not most directly satisfy the requirement in this scenario: deploy a small standalone wireless site without centralized controller dependence.

Learning point: Use Autonomous AP when the key requirement is to deploy a small standalone wireless site without centralized controller dependence.

Question 22

During a branch-office rollout, Woodgrove Bank is comparing several networking concepts. Which option is accurately characterized by this statement: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands.

1. PSK authentication
2. Non-overlapping channels
3. 5 GHz Wi-Fi
4. Ad hoc network
5. 2.4 GHz Wi-Fi

Correct answer: E

Why: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands. This directly satisfies the requirement: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands..

Option review:

A: Uses a shared pre-shared key and is simpler but less scalable/accountable than enterprise authentication. However, it does not most directly satisfy the requirement in this scenario: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands..

B: Channel planning avoids adjacent/co-channel interference, especially in 2.4 GHz deployments. However, it does not most directly satisfy the requirement in this scenario: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands..

C: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands..

D: Wireless clients communicate peer-to-peer without an infrastructure AP. However, it does not most directly satisfy the requirement in this scenario: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands..

E: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands. This directly satisfies the requirement: Offers longer range/penetration but fewer non-overlapping channels and more interference than higher bands..

Learning point: Use 2.4 GHz Wi-Fi when the key requirement is to prioritize coverage/penetration where spectrum congestion can be managed.

Question 23

During a campus refresh, Blue Yonder Airlines is comparing several networking concepts. Which option is accurately characterized by this statement: Provides more channels and generally higher capacity with shorter range than 2.4 GHz.

1. 5 GHz Wi-Fi
2. Captive portal
3. 6 GHz Wi-Fi
4. WPA3
5. Ad hoc network

Correct answer: A

Why: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. This directly satisfies the requirement: Provides more channels and generally higher capacity with shorter range than 2.4 GHz..

Option review:

A: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. This directly satisfies the requirement: Provides more channels and generally higher capacity with shorter range than 2.4 GHz..

B: Redirects guest users to a web page for acceptance/authentication before network access. However, it does not most directly satisfy the requirement in this scenario: Provides more channels and generally higher capacity with shorter range than 2.4 GHz..

C: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. However, it does not most directly satisfy the requirement in this scenario: Provides more channels and generally higher capacity with shorter range than 2.4 GHz..

D: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. However, it does not most directly satisfy the requirement in this scenario: Provides more channels and generally higher capacity with shorter range than 2.4 GHz..

E: Wireless clients communicate peer-to-peer without an infrastructure AP. However, it does not most directly satisfy the requirement in this scenario: Provides more channels and generally higher capacity with shorter range than 2.4 GHz..

Learning point: Use 5 GHz Wi-Fi when the key requirement is to increase Wi-Fi capacity and reduce 2.4 GHz congestion.

Question 24

During a data-center segment, Contoso Health is comparing several networking concepts. Which option is accurately characterized by this statement: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations.

1. WPA3
2. Directional antenna
3. ESSID
4. 6 GHz Wi-Fi
5. 5 GHz Wi-Fi

Correct answer: D

Why: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. This directly satisfies the requirement: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations..

Option review:

A: Provides newer Wi-Fi security with stronger protections such as SAE for personal mode. However, it does not most directly satisfy the requirement in this scenario: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations..

B: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations..

C: An extended service set uses the same network identity across multiple APs for broader roaming coverage. However, it does not most directly satisfy the requirement in this scenario: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations..

D: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations. This directly satisfies the requirement: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations..

E: Provides more channels and generally higher capacity with shorter range than 2.4 GHz. However, it does not most directly satisfy the requirement in this scenario: Provides additional clean spectrum for Wi-Fi 6E/7-capable clients with shorter propagation and compatibility considerations..

Learning point: Use 6 GHz Wi-Fi when the key requirement is to use newly available Wi-Fi spectrum for supported modern clients.

Question 25

During a remote-site migration, Litware Manufacturing is comparing several networking concepts. Which option is accurately characterized by this statement: Wider channels can increase throughput but consume more spectrum and may increase interference.

1. Directional antenna
2. Channel width
3. Ad hoc network
4. Lightweight AP
5. SSID

Correct answer: B

Why: Wider channels can increase throughput but consume more spectrum and may increase interference. This directly satisfies the requirement: Wider channels can increase throughput but consume more spectrum and may increase interference..

Option review:

A: Focuses RF energy in a specific direction for point-to-point or targeted coverage. However, it does not most directly satisfy the requirement in this scenario: Wider channels can increase throughput but consume more spectrum and may increase interference..

B: Wider channels can increase throughput but consume more spectrum and may increase interference. This directly satisfies the requirement: Wider channels can increase throughput but consume more spectrum and may increase interference..

C: Wireless clients communicate peer-to-peer without an infrastructure AP. However, it does not most directly satisfy the requirement in this scenario: Wider channels can increase throughput but consume more spectrum and may increase interference..

D: Relies on a controller for centralized configuration/control functions. However, it does not most directly satisfy the requirement in this scenario: Wider channels can increase throughput but consume more spectrum and may increase interference..

E: The service set identifier is the human-readable wireless network name. However, it does not most directly satisfy the requirement in this scenario: Wider channels can increase throughput but consume more spectrum and may increase interference..

Learning point: Use Channel width when the key requirement is to balance per-client throughput against channel reuse and interference.