CompTIA Network+ N10-009 Network Topologies Architectures And Traffic Flows Practice Test

 

Objective 1.6 • 20 original questions

This CompTIA Network+ N10-009 practice test focuses on network topologies, architectures, and traffic flows. 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 maximize redundant paths among network nodes. Which option is the best fit? The decision applies to a branch-office rollout.

1. East-west traffic
2. Collapsed core
3. North-south traffic
4. Mesh topology
5. Point-to-point

Correct answer: D

Why: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. This directly satisfies the requirement: maximize redundant paths among network nodes.

Option review:

A: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: maximize redundant paths among network nodes.

B: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: maximize redundant paths among network nodes.

C: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: maximize redundant paths among network nodes.

D: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. This directly satisfies the requirement: maximize redundant paths among network nodes.

E: Directly connects two endpoints with a single logical or physical link. However, it does not most directly satisfy the requirement in this scenario: maximize redundant paths among network nodes.

Learning point: Use Mesh topology when the key requirement is to maximize redundant paths among network nodes.

Question 2

A ticket at Woodgrove Bank says the team must describe a design that intentionally combines multiple topology patterns. Which technology or concept most directly addresses this requirement? The decision applies to a campus refresh.

1. Three-tier hierarchical model
2. Point-to-point
3. Collapsed core
4. Mesh topology
5. Hybrid topology

Correct answer: E

Why: Combines characteristics of multiple topology types in one network. This directly satisfies the requirement: describe a design that intentionally combines multiple topology patterns.

Option review:

A: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: describe a design that intentionally combines multiple topology patterns.

B: Directly connects two endpoints with a single logical or physical link. However, it does not most directly satisfy the requirement in this scenario: describe a design that intentionally combines multiple topology patterns.

C: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: describe a design that intentionally combines multiple topology patterns.

D: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. However, it does not most directly satisfy the requirement in this scenario: describe a design that intentionally combines multiple topology patterns.

E: Combines characteristics of multiple topology types in one network. This directly satisfies the requirement: describe a design that intentionally combines multiple topology patterns.

Learning point: Use Hybrid topology when the key requirement is to describe a design that intentionally combines multiple topology patterns.

Question 3

During a design meeting at Blue Yonder Airlines, the junior network administrator needs to connect many endpoints through a central access device. What should be selected? The decision applies to a data-center segment.

1. Star topology
2. North-south traffic
3. East-west traffic
4. Collapsed core
5. Three-tier hierarchical model

Correct answer: A

Why: Connects endpoints to a central device such as a switch. This directly satisfies the requirement: connect many endpoints through a central access device.

Option review:

A: Connects endpoints to a central device such as a switch. This directly satisfies the requirement: connect many endpoints through a central access device.

B: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: connect many endpoints through a central access device.

C: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: connect many endpoints through a central access device.

D: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: connect many endpoints through a central access device.

E: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: connect many endpoints through a central access device.

Learning point: Use Star topology when the key requirement is to connect many endpoints through a central access device.

Question 4

Contoso Health is updating its network standard. Which option best meets the need to centralize branch connectivity through a primary hub site? The decision applies to a remote-site migration.

1. East-west traffic
2. Point-to-point
3. Hub-and-spoke WAN
4. Mesh topology
5. Hybrid topology

Correct answer: C

Why: Connects branch spokes through a central hub, simplifying control but creating hub dependence. This directly satisfies the requirement: centralize branch connectivity through a primary hub site.

Option review:

A: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: centralize branch connectivity through a primary hub site.

B: Directly connects two endpoints with a single logical or physical link. However, it does not most directly satisfy the requirement in this scenario: centralize branch connectivity through a primary hub site.

C: Connects branch spokes through a central hub, simplifying control but creating hub dependence. This directly satisfies the requirement: centralize branch connectivity through a primary hub site.

D: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. However, it does not most directly satisfy the requirement in this scenario: centralize branch connectivity through a primary hub site.

E: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: centralize branch connectivity through a primary hub site.

Learning point: Use Hub-and-spoke WAN when the key requirement is to centralize branch connectivity through a primary hub site.

Question 5

A field technician at Litware Manufacturing is validating a proposed solution. The design must support high-bandwidth east-west traffic with consistent hop counts in a data center. Which answer is most appropriate? The decision applies to a operations lab.

1. Three-tier hierarchical model
2. East-west traffic
3. Spine-and-leaf
4. Collapsed core
5. Mesh topology

Correct answer: C

Why: Uses every leaf connected to every spine, providing predictable east-west data-center paths. This directly satisfies the requirement: support high-bandwidth east-west traffic with consistent hop counts in a data center.

Option review:

A: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: support high-bandwidth east-west traffic with consistent hop counts in a data center.

B: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: support high-bandwidth east-west traffic with consistent hop counts in a data center.

C: Uses every leaf connected to every spine, providing predictable east-west data-center paths. This directly satisfies the requirement: support high-bandwidth east-west traffic with consistent hop counts in a data center.

D: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: support high-bandwidth east-west traffic with consistent hop counts in a data center.

E: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. However, it does not most directly satisfy the requirement in this scenario: support high-bandwidth east-west traffic with consistent hop counts in a data center.

Learning point: Use Spine-and-leaf when the key requirement is to support high-bandwidth east-west traffic with consistent hop counts in a data center.

Question 6

For a new deployment at Woodgrove Bank, the networking team wants to connect exactly two network endpoints. Which choice most directly satisfies the goal? The decision applies to a production maintenance window.

1. North-south traffic
2. Three-tier hierarchical model
3. Hybrid topology
4. Collapsed core
5. Point-to-point

Correct answer: E

Why: Directly connects two endpoints with a single logical or physical link. This directly satisfies the requirement: connect exactly two network endpoints.

Option review:

A: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: connect exactly two network endpoints.

B: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: connect exactly two network endpoints.

C: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: connect exactly two network endpoints.

D: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: connect exactly two network endpoints.

E: Directly connects two endpoints with a single logical or physical link. This directly satisfies the requirement: connect exactly two network endpoints.

Learning point: Use Point-to-point when the key requirement is to connect exactly two network endpoints.

Question 7

At Blue Yonder Airlines, a systems administrator is reviewing a network change. The requirement is to use distinct access, distribution, and core layers. Which option is the best fit? The decision applies to a new floor deployment.

1. Spine-and-leaf
2. Collapsed core
3. North-south traffic
4. Star topology
5. Three-tier hierarchical model

Correct answer: E

Why: Separates access, distribution, and core functions in a scalable campus architecture. This directly satisfies the requirement: use distinct access, distribution, and core layers.

Option review:

A: Uses every leaf connected to every spine, providing predictable east-west data-center paths. However, it does not most directly satisfy the requirement in this scenario: use distinct access, distribution, and core layers.

B: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: use distinct access, distribution, and core layers.

C: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: use distinct access, distribution, and core layers.

D: Connects endpoints to a central device such as a switch. However, it does not most directly satisfy the requirement in this scenario: use distinct access, distribution, and core layers.

E: Separates access, distribution, and core functions in a scalable campus architecture. This directly satisfies the requirement: use distinct access, distribution, and core layers.

Learning point: Use Three-tier hierarchical model when the key requirement is to use distinct access, distribution, and core layers.

Question 8

A ticket at Contoso Health says the team must reduce hierarchical layers by combining distribution and core roles. Which technology or concept most directly addresses this requirement? The decision applies to a service-recovery review.

1. Hybrid topology
2. Point-to-point
3. Three-tier hierarchical model
4. Star topology
5. Collapsed core

Correct answer: E

Why: Combines core and distribution functions, often for smaller campus designs. This directly satisfies the requirement: reduce hierarchical layers by combining distribution and core roles.

Option review:

A: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: reduce hierarchical layers by combining distribution and core roles.

B: Directly connects two endpoints with a single logical or physical link. However, it does not most directly satisfy the requirement in this scenario: reduce hierarchical layers by combining distribution and core roles.

C: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: reduce hierarchical layers by combining distribution and core roles.

D: Connects endpoints to a central device such as a switch. However, it does not most directly satisfy the requirement in this scenario: reduce hierarchical layers by combining distribution and core roles.

E: Combines core and distribution functions, often for smaller campus designs. This directly satisfies the requirement: reduce hierarchical layers by combining distribution and core roles.

Learning point: Use Collapsed core when the key requirement is to reduce hierarchical layers by combining distribution and core roles.

Question 9

During a design meeting at Litware Manufacturing, the junior network administrator needs to describe traffic crossing into or out of the data-center environment. What should be selected? The decision applies to a branch-office rollout.

1. Three-tier hierarchical model
2. Spine-and-leaf
3. North-south traffic
4. Collapsed core
5. Hub-and-spoke WAN

Correct answer: C

Why: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. This directly satisfies the requirement: describe traffic crossing into or out of the data-center environment.

Option review:

A: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: describe traffic crossing into or out of the data-center environment.

B: Uses every leaf connected to every spine, providing predictable east-west data-center paths. However, it does not most directly satisfy the requirement in this scenario: describe traffic crossing into or out of the data-center environment.

C: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. This directly satisfies the requirement: describe traffic crossing into or out of the data-center environment.

D: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: describe traffic crossing into or out of the data-center environment.

E: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: describe traffic crossing into or out of the data-center environment.

Learning point: Use North-south traffic when the key requirement is to describe traffic crossing into or out of the data-center environment.

Question 10

Woodgrove Bank is updating its network standard. Which option best meets the need to describe workload-to-workload traffic inside the same data-center environment? The decision applies to a campus refresh.

1. North-south traffic
2. Collapsed core
3. East-west traffic
4. Hub-and-spoke WAN
5. Three-tier hierarchical model

Correct answer: C

Why: Traffic moves laterally between servers/workloads inside a data center or cloud. This directly satisfies the requirement: describe workload-to-workload traffic inside the same data-center environment.

Option review:

A: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: describe workload-to-workload traffic inside the same data-center environment.

B: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: describe workload-to-workload traffic inside the same data-center environment.

C: Traffic moves laterally between servers/workloads inside a data center or cloud. This directly satisfies the requirement: describe workload-to-workload traffic inside the same data-center environment.

D: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: describe workload-to-workload traffic inside the same data-center environment.

E: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: describe workload-to-workload traffic inside the same data-center environment.

Learning point: Use East-west traffic when the key requirement is to describe workload-to-workload traffic inside the same data-center environment.

Question 11

During a production maintenance window, Blue Yonder Airlines is comparing several networking concepts. Which option is accurately characterized by this statement: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost.

1. Spine-and-leaf
2. Point-to-point
3. Hub-and-spoke WAN
4. East-west traffic
5. Mesh topology

Correct answer: E

Why: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. This directly satisfies the requirement: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost..

Option review:

A: Uses every leaf connected to every spine, providing predictable east-west data-center paths. However, it does not most directly satisfy the requirement in this scenario: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost..

B: Directly connects two endpoints with a single logical or physical link. However, it does not most directly satisfy the requirement in this scenario: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost..

C: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost..

D: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost..

E: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. This directly satisfies the requirement: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost..

Learning point: Use Mesh topology when the key requirement is to maximize redundant paths among network nodes.

Question 12

During a new floor deployment, Contoso Health is comparing several networking concepts. Which option is accurately characterized by this statement: Combines characteristics of multiple topology types in one network.

1. Hybrid topology
2. Point-to-point
3. Mesh topology
4. Hub-and-spoke WAN
5. Collapsed core

Correct answer: A

Why: Combines characteristics of multiple topology types in one network. This directly satisfies the requirement: Combines characteristics of multiple topology types in one network..

Option review:

A: Combines characteristics of multiple topology types in one network. This directly satisfies the requirement: Combines characteristics of multiple topology types in one network..

B: Directly connects two endpoints with a single logical or physical link. However, it does not most directly satisfy the requirement in this scenario: Combines characteristics of multiple topology types in one network..

C: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. However, it does not most directly satisfy the requirement in this scenario: Combines characteristics of multiple topology types in one network..

D: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: Combines characteristics of multiple topology types in one network..

E: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: Combines characteristics of multiple topology types in one network..

Learning point: Use Hybrid topology when the key requirement is to describe a design that intentionally combines multiple topology patterns.

Question 13

During a service-recovery review, Litware Manufacturing is comparing several networking concepts. Which option is accurately characterized by this statement: Connects endpoints to a central device such as a switch.

1. Three-tier hierarchical model
2. Star topology
3. Hub-and-spoke WAN
4. East-west traffic
5. Collapsed core

Correct answer: B

Why: Connects endpoints to a central device such as a switch. This directly satisfies the requirement: Connects endpoints to a central device such as a switch..

Option review:

A: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: Connects endpoints to a central device such as a switch..

B: Connects endpoints to a central device such as a switch. This directly satisfies the requirement: Connects endpoints to a central device such as a switch..

C: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: Connects endpoints to a central device such as a switch..

D: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: Connects endpoints to a central device such as a switch..

E: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: Connects endpoints to a central device such as a switch..

Learning point: Use Star topology when the key requirement is to connect many endpoints through a central access device.

Question 14

During a branch-office rollout, Woodgrove Bank is comparing several networking concepts. Which option is accurately characterized by this statement: Connects branch spokes through a central hub, simplifying control but creating hub dependence.

1. Hub-and-spoke WAN
2. Hybrid topology
3. Collapsed core
4. Spine-and-leaf
5. North-south traffic

Correct answer: A

Why: Connects branch spokes through a central hub, simplifying control but creating hub dependence. This directly satisfies the requirement: Connects branch spokes through a central hub, simplifying control but creating hub dependence..

Option review:

A: Connects branch spokes through a central hub, simplifying control but creating hub dependence. This directly satisfies the requirement: Connects branch spokes through a central hub, simplifying control but creating hub dependence..

B: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: Connects branch spokes through a central hub, simplifying control but creating hub dependence..

C: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: Connects branch spokes through a central hub, simplifying control but creating hub dependence..

D: Uses every leaf connected to every spine, providing predictable east-west data-center paths. However, it does not most directly satisfy the requirement in this scenario: Connects branch spokes through a central hub, simplifying control but creating hub dependence..

E: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: Connects branch spokes through a central hub, simplifying control but creating hub dependence..

Learning point: Use Hub-and-spoke WAN when the key requirement is to centralize branch connectivity through a primary hub site.

Question 15

During a campus refresh, Blue Yonder Airlines is comparing several networking concepts. Which option is accurately characterized by this statement: Uses every leaf connected to every spine, providing predictable east-west data-center paths.

1. Spine-and-leaf
2. Hybrid topology
3. Collapsed core
4. Mesh topology
5. North-south traffic

Correct answer: A

Why: Uses every leaf connected to every spine, providing predictable east-west data-center paths. This directly satisfies the requirement: Uses every leaf connected to every spine, providing predictable east-west data-center paths..

Option review:

A: Uses every leaf connected to every spine, providing predictable east-west data-center paths. This directly satisfies the requirement: Uses every leaf connected to every spine, providing predictable east-west data-center paths..

B: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: Uses every leaf connected to every spine, providing predictable east-west data-center paths..

C: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: Uses every leaf connected to every spine, providing predictable east-west data-center paths..

D: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. However, it does not most directly satisfy the requirement in this scenario: Uses every leaf connected to every spine, providing predictable east-west data-center paths..

E: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: Uses every leaf connected to every spine, providing predictable east-west data-center paths..

Learning point: Use Spine-and-leaf when the key requirement is to support high-bandwidth east-west traffic with consistent hop counts in a data center.

Question 16

During a data-center segment, Contoso Health is comparing several networking concepts. Which option is accurately characterized by this statement: Directly connects two endpoints with a single logical or physical link.

1. North-south traffic
2. East-west traffic
3. Point-to-point
4. Hybrid topology
5. Three-tier hierarchical model

Correct answer: C

Why: Directly connects two endpoints with a single logical or physical link. This directly satisfies the requirement: Directly connects two endpoints with a single logical or physical link..

Option review:

A: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: Directly connects two endpoints with a single logical or physical link..

B: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: Directly connects two endpoints with a single logical or physical link..

C: Directly connects two endpoints with a single logical or physical link. This directly satisfies the requirement: Directly connects two endpoints with a single logical or physical link..

D: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: Directly connects two endpoints with a single logical or physical link..

E: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: Directly connects two endpoints with a single logical or physical link..

Learning point: Use Point-to-point when the key requirement is to connect exactly two network endpoints.

Question 17

During a remote-site migration, Litware Manufacturing is comparing several networking concepts. Which option is accurately characterized by this statement: Separates access, distribution, and core functions in a scalable campus architecture.

1. Star topology
2. North-south traffic
3. Spine-and-leaf
4. Hybrid topology
5. Three-tier hierarchical model

Correct answer: E

Why: Separates access, distribution, and core functions in a scalable campus architecture. This directly satisfies the requirement: Separates access, distribution, and core functions in a scalable campus architecture..

Option review:

A: Connects endpoints to a central device such as a switch. However, it does not most directly satisfy the requirement in this scenario: Separates access, distribution, and core functions in a scalable campus architecture..

B: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. However, it does not most directly satisfy the requirement in this scenario: Separates access, distribution, and core functions in a scalable campus architecture..

C: Uses every leaf connected to every spine, providing predictable east-west data-center paths. However, it does not most directly satisfy the requirement in this scenario: Separates access, distribution, and core functions in a scalable campus architecture..

D: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: Separates access, distribution, and core functions in a scalable campus architecture..

E: Separates access, distribution, and core functions in a scalable campus architecture. This directly satisfies the requirement: Separates access, distribution, and core functions in a scalable campus architecture..

Learning point: Use Three-tier hierarchical model when the key requirement is to use distinct access, distribution, and core layers.

Question 18

During a operations lab, Woodgrove Bank is comparing several networking concepts. Which option is accurately characterized by this statement: Combines core and distribution functions, often for smaller campus designs.

1. Collapsed core
2. East-west traffic
3. Three-tier hierarchical model
4. Point-to-point
5. Hub-and-spoke WAN

Correct answer: A

Why: Combines core and distribution functions, often for smaller campus designs. This directly satisfies the requirement: Combines core and distribution functions, often for smaller campus designs..

Option review:

A: Combines core and distribution functions, often for smaller campus designs. This directly satisfies the requirement: Combines core and distribution functions, often for smaller campus designs..

B: Traffic moves laterally between servers/workloads inside a data center or cloud. However, it does not most directly satisfy the requirement in this scenario: Combines core and distribution functions, often for smaller campus designs..

C: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: Combines core and distribution functions, often for smaller campus designs..

D: Directly connects two endpoints with a single logical or physical link. However, it does not most directly satisfy the requirement in this scenario: Combines core and distribution functions, often for smaller campus designs..

E: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: Combines core and distribution functions, often for smaller campus designs..

Learning point: Use Collapsed core when the key requirement is to reduce hierarchical layers by combining distribution and core roles.

Question 19

During a production maintenance window, Blue Yonder Airlines is comparing several networking concepts. Which option is accurately characterized by this statement: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows.

1. Mesh topology
2. North-south traffic
3. Collapsed core
4. Hub-and-spoke WAN
5. Spine-and-leaf

Correct answer: B

Why: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. This directly satisfies the requirement: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows..

Option review:

A: Provides multiple redundant interconnections among nodes, improving path resiliency at higher complexity/cost. However, it does not most directly satisfy the requirement in this scenario: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows..

B: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows. This directly satisfies the requirement: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows..

C: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows..

D: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows..

E: Uses every leaf connected to every spine, providing predictable east-west data-center paths. However, it does not most directly satisfy the requirement in this scenario: Traffic enters or leaves a data-center/cloud environment, such as user-to-server or internet-to-app flows..

Learning point: Use North-south traffic when the key requirement is to describe traffic crossing into or out of the data-center environment.

Question 20

During a new floor deployment, Contoso Health is comparing several networking concepts. Which option is accurately characterized by this statement: Traffic moves laterally between servers/workloads inside a data center or cloud.

1. Three-tier hierarchical model
2. Collapsed core
3. East-west traffic
4. Hub-and-spoke WAN
5. Hybrid topology

Correct answer: C

Why: Traffic moves laterally between servers/workloads inside a data center or cloud. This directly satisfies the requirement: Traffic moves laterally between servers/workloads inside a data center or cloud..

Option review:

A: Separates access, distribution, and core functions in a scalable campus architecture. However, it does not most directly satisfy the requirement in this scenario: Traffic moves laterally between servers/workloads inside a data center or cloud..

B: Combines core and distribution functions, often for smaller campus designs. However, it does not most directly satisfy the requirement in this scenario: Traffic moves laterally between servers/workloads inside a data center or cloud..

C: Traffic moves laterally between servers/workloads inside a data center or cloud. This directly satisfies the requirement: Traffic moves laterally between servers/workloads inside a data center or cloud..

D: Connects branch spokes through a central hub, simplifying control but creating hub dependence. However, it does not most directly satisfy the requirement in this scenario: Traffic moves laterally between servers/workloads inside a data center or cloud..

E: Combines characteristics of multiple topology types in one network. However, it does not most directly satisfy the requirement in this scenario: Traffic moves laterally between servers/workloads inside a data center or cloud..

Learning point: Use East-west traffic when the key requirement is to describe workload-to-workload traffic inside the same data-center environment.