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N10-009 Premium File: 768 Questions & Answers

Last Update: Nov 14, 2026

N10-009 Training Course: 240 Video Lectures

N10-009 PDF Study Guide: 128 Pages

$79.99

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CompTIA N10-009 Practice Test 50

Question 490

A network specialist investigates this evidence: Two offices require constant subnet-to-subnet secure connectivity without user-operated clients. Which underlying condition BEST explains the observed failure or requirement?

  1. Full network-level client VPN is excessive for this access need.
  2. The requirement is a permanent network gateway tunnel.
  3. Split tunneling permits direct internet paths outside corporate controls.
  4. Privileged management has no controlled entry point.

Explanation

Correct Answer

B:

The requirement is a permanent network gateway tunnel. Site-to-site VPN protects routed networks rather than one individual host.

Incorrect Answers

A:

Full network-level client VPN is excessive for this access need. That does not establish an authorized inter-subnet routed path.

C:

Split tunneling permits direct internet paths outside corporate controls. That does not establish an authorized inter-subnet routed path.

D:

Privileged management has no controlled entry point. That does not establish an authorized inter-subnet routed path.

Question 491

A network team observes: A network automation job needs to change port descriptions reproducibly on dozens of switches. What is the MOST appropriate corrective action or technical decision?

  1. Choose controlled full tunneling when the specified security policy requires centralized inspection.
  2. Provide isolated out-of-band console access with secure authentication.
  3. Use authenticated vendor-supported management APIs with least-privilege tokens.
  4. Require authorized SSH through a hardened jump host with MFA and session logging.

Explanation

Correct Answer

C:

Interactive per-device gui editing is not scalable.

Incorrect Answers

A:

Choosing controlled full tunneling when the specified security policy requires centralized inspection would not meet the need for authenticated vendor-supported management APIs with least-privilege tokens.

B:

Providing isolated out-of-band console access with secure authentication would not meet the need for authenticated vendor-supported management APIs with least-privilege tokens.

D:

Interactive per-device gui editing is not scalable. The necessary intervention is to use authenticated vendor-supported management APIs with least-privilege tokens.

Question 492

A network team addresses this situation: A network automation job needs to change port descriptions reproducibly on dozens of switches. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Scan management reachability from untrusted and approved admin networks.
  2. Capture public destination routes and inspection logs during a VPN session.
  3. Try direct SSH from untrusted network and approved jump path.
  4. Run a staged API update and verify exact desired port descriptions.

Explanation

Correct Answer

D:

Run a staged API update and verify exact desired port descriptions.

Incorrect Answers

A:

Only approved paths should connect to management. It does not run a staged API update and verify exact desired port descriptions.

B:

An HTTP 404 after a successful TCP connection indicates an application resource or path mismatch. It does not run a staged API update and verify exact desired port descriptions.

C:

Direct denial and jump success validate access boundaries. It does not run a staged API update and verify exact desired port descriptions.

Question 493

A network specialist investigates this evidence: A network automation job needs to change port descriptions reproducibly on dozens of switches. Which underlying condition BEST explains the observed failure or requirement?

  1. Interactive per-device GUI editing is not scalable.
  2. The requirement is a permanent network gateway tunnel.
  3. Full network-level client VPN is excessive for this access need.
  4. Privileged management has no controlled entry point.

Explanation

Correct Answer

A:

Interactive per-device GUI editing is not scalable. APIs enable controlled repeatable device configuration.

Incorrect Answers

B:

Communication between different IP subnets requires a routed interface or gateway rather than Layer 2 bridging alone. The missing change involves interactive per-device GUI editing is not scalable.

C:

Full network-level client VPN is excessive for this access need. That does not establish interactive per-device GUI editing is not scalable.

D:

Privileged management has no controlled entry point. That does not establish interactive per-device GUI editing is not scalable.

Question 494

A network team observes: The network team places device management interfaces exclusively in user traffic VLANs with no isolation. What is the MOST appropriate corrective action or technical decision?

  1. Use a supported clientless application portal with strong identity controls.
  2. Move management to dedicated routed management networks with restricted policy.
  3. Choose controlled full tunneling when the specified security policy requires centralized inspection.
  4. Use authenticated vendor-supported management APIs with least-privilege tokens.

Explanation

Correct Answer

B:

Management shares an untrusted production broadcast domain.

Incorrect Answers

A:

Using a supported clientless application portal with strong identity controls would not move management to dedicated routed management networks with restricted policy.

C:

Choosing controlled full tunneling when the specified security policy requires centralized inspection would not move management to dedicated routed management networks with restricted policy.

D:

Using authenticated vendor-supported management APIs with least-privilege tokens would not move management to dedicated routed management networks with restricted policy.

Question 495

A network team addresses this situation: The network team places device management interfaces exclusively in user traffic VLANs with no isolation. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Run a staged API update and verify exact desired port descriptions.
  2. Access only the approved portal and attempt an unapproved internal address.
  3. Scan management reachability from untrusted and approved admin networks.
  4. Capture public destination routes and inspection logs during a VPN session.

Explanation

Correct Answer

C:

Only approved paths should connect to management.

Incorrect Answers

A:

Run a staged API update and verify exact desired port descriptions. That check cannot demonstrate scan management reachability from untrusted and approved admin networks.

B:

Access only the approved portal and attempt an unapproved internal address. Verification of this result involves scan management reachability from untrusted and approved admin networks.

D:

An HTTP 404 after a successful TCP connection indicates an application resource or path mismatch. That check cannot demonstrate scan management reachability from untrusted and approved admin networks.

Question 496

A network specialist investigates this evidence: The network team places device management interfaces exclusively in user traffic VLANs with no isolation. Which underlying condition BEST explains the observed failure or requirement?

  1. Interactive per-device GUI editing is not scalable.
  2. Full network-level client VPN is excessive for this access need.
  3. Split tunneling permits direct internet paths outside corporate controls.
  4. Management shares an untrusted production broadcast domain.

Explanation

Correct Answer

D:

Management shares an untrusted production broadcast domain. Segregation reduces exposed control-plane entry points.

Incorrect Answers

A:

Interactive per-device GUI editing is not scalable. That does not establish management shares an untrusted production broadcast domain.

B:

Full network-level client VPN is excessive for this access need. That does not establish management shares an untrusted production broadcast domain.

C:

Split tunneling permits direct internet paths outside corporate controls. That does not establish management shares an untrusted production broadcast domain.

Question 497

A network team observes: An administrator accesses a web console using HTTP and can read the session cookie in a packet capture. What is the MOST appropriate corrective action or technical decision?

  1. Enforce authenticated HTTPS and disable cleartext management.
  2. Use controlled room and rack access with visitor escort and audit logs.
  3. Use role-based permissions scoped to technician duties and managed device groups.
  4. Assign read-only network roles and narrow change permissions to approved staff.

Explanation

Correct Answer

A:

TLS secures data in transit when properly authenticated. Management data crosses the network without channel encryption.

Incorrect Answers

B:

Using controlled room and rack access with visitor escort and auditing logs would not enforce authenticated HTTPS and disable cleartext management.

C:

Using role-based permissions scoped to technician duties and managed device groups would not enforce authenticated HTTPS and disable cleartext management.

D:

Assigning read-only network roles and narrow change permissions to approved staff would not enforce authenticated HTTPS and disable cleartext management.

Question 498

A network team addresses this situation: An administrator accesses a web console using HTTP and can read the session cookie in a packet capture. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Attempt supervised unauthorized access and review lock and camera logs.
  2. Capture a session and confirm negotiated TLS without readable credentials.
  3. Attempt an unauthorized policy edit with the intern role.
  4. Test branch technician actions against local and unrelated devices.

Explanation

Correct Answer

B:

Capture a session and confirm negotiated TLS without readable credentials.

Incorrect Answers

A:

Attempt supervised unauthorized access and review lock and camera logs. It does not capture a session and confirm negotiated TLS without readable credentials.

C:

Attempt an unauthorized policy edit with the intern role. It does not capture a session and confirm negotiated TLS without readable credentials.

D:

Test branch technician actions against local and unrelated devices. It does not capture a session and confirm negotiated TLS without readable credentials.

Question 499

A network team observes: A stolen branch laptop holds cached confidential network documentation on an unencrypted SSD. What is the MOST appropriate corrective action or technical decision?

  1. Require phishing-resistant MFA where supported for privileged VPN users.
  2. Use role-based permissions scoped to technician duties and managed device groups.
  3. Enable supported full-disk encryption with managed recovery keys.
  4. Deploy an approved internal CA chain and distribute trust anchors securely.

Explanation

Correct Answer

C:

Storage encryption reduces disclosure from lost removable hardware. Data at rest is exposed when the storage device leaves custody.

Incorrect Answers

A:

Data at rest is exposed when the storage device leaves custody.

B:

Using role-based permissions scoped to technician duties and managed device groups would not enable supported full-disk encryption with managed recovery keys.

D:

Deploying an approved internal CA chain and distributing trust anchors securely would not enable supported full-disk encryption with managed recovery keys.

Question 500

A network team addresses this situation: A stolen branch laptop holds cached confidential network documentation on an unencrypted SSD. After the corrective action, which test or result BEST verifies that the problem is resolved?

  1. Attempt a password-only login and confirm it is rejected.
  2. Test branch technician actions against local and unrelated devices.
  3. Run an approved configuration command and inspect individual accounting records.
  4. Boot the removed drive in an isolated system without its key.

Explanation

Correct Answer

D:

Boot the removed drive in an isolated system without its key.

Incorrect Answers

A:

A second factor required proves the control. That check cannot demonstrate boot the removed drive in an isolated system without its key.

B:

Test branch technician actions against local and unrelated devices. That check cannot demonstrate boot the removed drive in an isolated system without its key.

C:

Run an approved configuration command and inspect individual accounting records. That check cannot demonstrate boot the removed drive in an isolated system without its key.


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