100% Latest & Updated Cisco 200-301 Practice Test Questions, Exam Dumps & Verified Answers!
30 Days Free Updates, Instant Download!
Question 620
A small branch stores spare routers and laptop backups in an open storeroom. Which physical anchoring and locked storage controls limit equipment theft or tampering?
- Store spare routers on open floor shelving and depend on MAC address filtering to prevent their removal
- Use a fire-resistant container with no lock and a publicly accessible key
- Keep spare equipment in locked storage and anchor or physically secure exposed devices
- Record serial numbers only, without any access or removal restrictions for open storeroom shelves
Explanation
Correct Answer
C:Locked controlled storage and appropriately secured physical mounting reduce opportunistic removal of equipment and sensitive backups.
Incorrect Answers
A:MAC filtering can limit some network attachment but cannot stop physical removal or tampering with devices in an unsecured storeroom.
B:Fire resistance protects against one hazard, but an unlocked cabinet and accessible key do not provide physical theft prevention.
D:Inventory records improve accountability after an event but are not a preventive substitute for lockable, controlled physical storage.
Question 621
A Cisco IOS device enters privileged EXEC with an insecure legacy enable password. Which strong protected `enable` credential configuration should replace reliance on that weaker password?
- Use enable password with a short plaintext value and hide it in a terminal transcript
- Configure a new VTY line password without modifying the privileged EXEC secret
- Configure enable secret with a strong value
- Configure transport input ssh on VTY without setting an enable credential
Explanation
Correct Answer
C:`enable secret` protects escalation to privileged EXEC with a stored verifier rather than a readable legacy enable password. Its protection depends on a strong secret and the platform’s supported hashing method.
Incorrect Answers
A:The legacy enable password is weaker than the secret mechanism and may expose or weaken privileged EXEC protection.
B:VTY login authentication is a distinct stage from entering privileged EXEC mode.
D:SSH encrypts remote transport but does not directly replace the privileged EXEC enable secret.
Question 622
A local break-glass operator account named `operator` must exist with a securely stored secret rather than a cleartext username password. Which IOS local-user configuration accomplishes it?
- Configure username operator secret with a strong secret
- Configure username operator password 0 cleartext123
- Configure enable secret operator without a username statement
- Configure login local under VTY but omit the operator username
Explanation
Correct Answer
A:An IOS `username ... secret` record creates an individually identifiable account with a protected credential. VTY `login local` or equivalent AAA configuration is needed for that account to authenticate a terminal session.
Incorrect Answers
B:Password 0 stores the specified account password as plaintext, rather than using a securely stored local secret.
C:Enable secret controls privileged EXEC escalation and does not define a named operator local login identity.
D:Local lookup requires an existing named account; line login method alone does not create it.
Question 623
A security administrator wants to prevent users from entering privileged EXEC on a Cisco router until they provide the configured privileged secret. Local SSH usernames already authenticate VTY access. Which separate control protects the enable transition?
- Set transport input ssh, which encrypts remote sessions but does not challenge enable elevation
- Configure enable secret with a strong value and use the required privilege-transition authentication
- Enable ip nat outside on the management interface to translate the administrator traffic
- Configure ip address dhcp on the VTY line to obtain a source address for privileged commands
Explanation
Correct Answer
B:The enable secret provides a distinct protected credential for privilege elevation; VTY user authentication alone does not guarantee that extra step.
Incorrect Answers
A:The VTY transport command governs inbound terminal protocols, not the password or AAA policy used when requesting privileged EXEC.
C:NAT outside marks an IP routing interface for translation and cannot control access to device EXEC privilege levels.
D:A VTY line is a terminal access endpoint, not an IP interface obtaining a DHCP address for the enable command.
Question 624
Remote administrators need encrypted terminal sessions, and Telnet must be disabled on the IOS VTY lines. Which incoming transport selection enforces SSH-only CLI connections?
- Configure transport input ssh on VTY lines
- Set transport input telnet ssh under VTY
- Set login local on VTY with no transport input restriction
- Set transport output ssh on VTY and ignore inbound transport
Explanation
Correct Answer
A:Limiting VTY transport to SSH avoids accepting cleartext Telnet sessions.
Incorrect Answers
B:That still allows plaintext Telnet sessions and violates the explicit SSH-only requirement.
C:Local username authentication does not by itself remove Telnet from permitted remote line protocols.
D:Output transport configures outbound sessions, not the input protocols accepted for remote management.
Question 625
A technician is standing at a router console. Company policy requires authentication before entering an EXEC session. Which console-line login configuration can enforce an approved credential source?
- Set line console 0 transport input ssh
- Configure console line login with an appropriate local or line credential
- Configure only enable secret and assume the initial console EXEC prompt is authenticated
- Set login local on VTY lines without configuring console login
Explanation
Correct Answer
B:Console authentication restricts unauthenticated physical CLI access.
Incorrect Answers
A:SSH applies to IP VTY transport and does not provide the required direct console login behavior.
C:Enable secret protects privileged mode but does not itself enforce authentication before user EXEC access.
D:VTY authorization affects remote terminal access; the question explicitly asks for authentication on the console line.
Question 626
After configuring a privileged-mode secret, an auditor needs to check its stored representation in an authorized Cisco IOS configuration output. Which observation best supports that the secret is not being stored as a Type 0 plaintext enable password?
- The `enable secret` line contains a supported nonreversible password-hash representation, not the original plaintext
- The console banner displays the original secret in ordinary text
- A Telnet session opens without username authentication
- The configuration contains only an unprotected `enable password 0` entry
Explanation
Correct Answer
A:Cisco enable-secret storage normally uses a nonreversible secret representation; the running configuration should not reveal the original plaintext. Modern secure hash types are preferred where supported.
Incorrect Answers
B:A banner does not validate secret storage and would be a credential disclosure if it revealed the secret.
C:Permitting Telnet without authentication is a management weakness unrelated to protected configuration storage.
D:Type 0 stores plaintext and does not demonstrate the intended one-way protection of a privileged-mode secret.
Question 627
A departing contractor's local IOS username must no longer authenticate on the router. Which configuration action removes that unneeded account without deleting active employee usernames?
- Revoke all local usernames using no username for every account
- Change only the enable secret and leave the contractor local user valid
- Delete the unneeded username from local configuration
- Set transport input none permanently on all VTY lines
Explanation
Correct Answer
C:Removing unused accounts reduces unauthorized account access opportunities.
Incorrect Answers
A:This is excessive and would remove legitimate employee access rather than only the departed contractor.
B:A contractor could still authenticate with their own account for user EXEC access.
D:That indiscriminately blocks legitimate remote administration and does not remove the contractor identity.
Question 628
The security auditor suspects a VTY line accepts Telnet despite policy. Which running-config section exposes the line's transport and login settings without changing them?
- Inspect line vty configuration in running-config
- Run show ip ssh and infer VTY Telnet allowance from SSH server status
- Run show users to list logged-in sessions and assume it exposes all VTY policy
- Run show line without reading the configured transport input on VTY
Explanation
Correct Answer
A:The VTY configuration shows login method and allowed transports.
Incorrect Answers
B:An enabled SSH server does not establish whether VTY input protocols include Telnet.
C:Current user sessions do not report the complete configured transport input and login policy.
D:Line usage/status cannot reliably replace inspection of the VTY running-configuration section.
Question 629
An IOS router already accepts SSH only on VTY lines, but security policy now permits inbound management sessions **solely from 10.10.10.0/24**. A standard numbered ACL 23 already permits this subnet. Which VTY-line command restricts remote-login source IPs without changing the SSH-only transport setting?
- Configure `access-class 23 in` under all active VTY lines
- Configure `transport input telnet` under all active VTY lines
- Configure `ip access-group 23 out` on the ISP WAN interface
- Configure `login local` under VTY lines without an access-class
Explanation
Correct Answer
A:VTY access-class 23 in restricts source addresses of inbound remote management connections to the ACL-permitted management subnet.
Incorrect Answers
B:Enabling Telnet would expose plaintext remote CLI connections and does not restrict source subnets as required.
C:Interface ACL direction does not replace the VTY-specific access-class control specified for limiting remote SSH logins.
D:Local login checks credentials but does not by itself restrict which remote source IPs may attempt a VTY session.
Question 630
An administrator leaves an authenticated management session idle for hours, creating a session-hijack risk. Which IOS management-line inactivity setting automatically closes such unused sessions?
- Set service password-encryption and assume it times out idle sessions
- Use login local without specifying an idle timeout
- Configure an appropriate exec-timeout on management lines
- Set an unrelated interface hold queue length
Explanation
Correct Answer
C:Inactivity timeouts limit persistence of abandoned administrative sessions.
Incorrect Answers
A:Password obfuscation is unrelated to terminating an already authenticated inactive terminal.
B:Login authentication establishes a session but does not configure automatic inactivity termination.
D:Queue buffering cannot log out idle terminal sessions and may adversely affect packet handling.
Cisco Certified Network Associate (CCNA) (200-301) Practice Tests