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Cisco 300-715 Practice Test 73

Question 720

A wireless controller accepts initial RADIUS requests but ignores dynamic authorization on a different management source. The observed failure is: A working initial RADIUS Access-Accept does not prove CoA connectivity or secret alignment. Which controlled recovery BEST restores the intended state?

  1. The supported recovery is to send every CoA to an unrelated monitoring-only IP address.
  2. The supported recovery is to repair NAD CoA definitions and verify an acknowledged session reauthorization.
  3. The supported recovery is to treat DNS resolution success as proof the CoA shared secret is correct.
  4. The supported recovery is to disable CoA authentication for the whole wireless controller.

Explanation

Correct Answer

B:

This restores the intended operational behavior for CoA packet source shared secret and NAD handling.

Incorrect Answers

A:

Send every CoA to an unrelated monitoring-only IP address. This action does not repair the identified failure. A working initial RADIUS Access-Accept does not prove CoA connectivity or secret alignment. Instead, repair NAD CoA definitions and verify an acknowledged session reauthorization. For the specific situation, a wireless controller accepts initial RADIUS requests but ignores dynamic authorization on a different management source.

C:

Treat DNS resolution success as proof the CoA shared secret is correct. This action does not repair the identified failure. A working initial RADIUS Access-Accept does not prove CoA connectivity or secret alignment. Instead, repair NAD CoA definitions and verify an acknowledged session reauthorization. For the specific situation, a wireless controller accepts initial RADIUS requests but ignores dynamic authorization on a different management source.

D:

Disable CoA authentication for the whole wireless controller. This action does not repair the identified failure. A working initial RADIUS Access-Accept does not prove CoA connectivity or secret alignment. Instead, repair NAD CoA definitions and verify an acknowledged session reauthorization. For the specific situation, a wireless controller accepts initial RADIUS requests but ignores dynamic authorization on a different management source.

Question 721

An endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL. What is the BEST supported ISE implementation or corrective action?

  1. Choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling.
  2. Assume a CoA notification always disconnects a client irrespective of message type.
  3. Use only a profiler rule name as a live session termination signal.
  4. Disable the switch authentication session feature to avoid CoA troubleshooting.

Explanation

Correct Answer

A:

Verify the effect through coA message type, session termination, EAP retry and new policy decision. This is the targeted action for CoA disconnect versus reauthentication outcome.

Incorrect Answers

B:

Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. This does not implement the required control for CoA disconnect versus reauthentication outcome.

C:

Use only a profiler rule name as a live session termination signal. This alternative overlooks a required prerequisite or targets the wrong function. CoA reauthentication and disconnect requests affect session state differently. The relevant evidence is coA message type, session termination, EAP retry and new policy decision. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

D:

Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Instead the intended policy action is choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling.

Question 722

An endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL. Which evidence BEST verifies the intended operational outcome?

  1. A switch interface description without any live AAA request or response.
  2. CoA message type, session termination, EAP retry and new policy decision.
  3. An old diagram with no RADIUS, TACACS+ or endpoint-session evidence.
  4. A current login screenshot from a completely unrelated ISE deployment.

Explanation

Correct Answer

B:

These observations directly establish the result of CoA disconnect versus reauthentication outcome for the described endpoint or network device. CoA reauthentication and disconnect requests affect session state differently.

Incorrect Answers

A:

A switch interface description without any live AAA request or response. This observation cannot verify CoA disconnect versus reauthentication outcome. Check coA message type, session termination, EAP retry and new policy decision. CoA reauthentication and disconnect requests affect session state differently. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

C:

An old diagram with no RADIUS, TACACS+ or endpoint-session evidence. This observation cannot verify CoA disconnect versus reauthentication outcome. Check coA message type, session termination, EAP retry and new policy decision. CoA reauthentication and disconnect requests affect session state differently. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

D:

A current login screenshot from a completely unrelated ISE deployment. This observation cannot verify CoA disconnect versus reauthentication outcome. Check coA message type, session termination, EAP retry and new policy decision. CoA reauthentication and disconnect requests affect session state differently. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

Question 723

An endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL. Which technical principle BEST explains the required decision?

  1. CoA reauthentication and disconnect requests affect session state differently.
  2. A captive portal page automatically changes network authorization on every active NAD session without signaling.
  3. A successful switch port link signal always proves the device identity and policy were verified.
  4. Every RADIUS Access-Accept grants unrestricted access to all applications.

Explanation

Correct Answer

A:

The supported implementation is to choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling. This is the governing technical behavior for CoA disconnect versus reauthentication outcome.

Incorrect Answers

B:

A captive portal page automatically changes network authorization on every active NAD session without signaling. This generalization is not valid for CoA disconnect versus reauthentication outcome. Instead coA reauthentication and disconnect requests affect session state differently. Verify the actual state using coA message type, session termination, EAP retry and new policy decision. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

C:

A successful switch port link signal always proves the device identity and policy were verified. This generalization is not valid for CoA disconnect versus reauthentication outcome. Instead coA reauthentication and disconnect requests affect session state differently. Verify the actual state using coA message type, session termination, EAP retry and new policy decision. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

D:

Every RADIUS Access-Accept grants unrestricted access to all applications. This generalization is not valid for CoA disconnect versus reauthentication outcome. Instead coA reauthentication and disconnect requests affect session state differently. Verify the actual state using coA message type, session termination, EAP retry and new policy decision. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

Question 724

An endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL. An operator proposes the following incorrect shortcut: Assume a CoA notification always disconnects a client irrespective of message type. What material risk or failure follows from that shortcut?

  1. Reading the authentication event report caused the original network access outage.
  2. The only result is an unrelated portal background color change.
  3. Accurate device accounting automatically created every earlier failed EAP exchange.
  4. Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port.

Explanation

Correct Answer

D:

The supported preventive action is to choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling. The shortcut is unsuitable because coA reauthentication and disconnect requests affect session state differently.

Incorrect Answers

A:

This unrelated assertion does not explain the CoA disconnect versus reauthentication outcome problem. The relevant risk is that applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port.

B:

This unrelated assertion does not explain the CoA disconnect versus reauthentication outcome problem. Check coA message type, session termination, EAP retry and new policy decision.

C:

This unrelated assertion does not explain the CoA disconnect versus reauthentication outcome problem. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

Question 725

An endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL. The observed failure is: Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Which controlled recovery BEST restores the intended state?

  1. Use only a profiler rule name as a live session termination signal.
  2. Send the appropriate supported dynamic authorization event and verify resulting session and traffic state.
  3. Disable the switch authentication session feature to avoid CoA troubleshooting.
  4. Assume a CoA notification always disconnects a client irrespective of message type.

Explanation

Correct Answer

B:

This restores the intended operational behavior for CoA disconnect versus reauthentication outcome. CoA reauthentication and disconnect requests affect session state differently.

Incorrect Answers

A:

Use only a profiler rule name as a live session termination signal. This action does not repair the identified failure. Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Instead, send the appropriate supported dynamic authorization event and verify resulting session and traffic state. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

C:

Disable the switch authentication session feature to avoid CoA troubleshooting. This action does not repair the identified failure. Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Instead, send the appropriate supported dynamic authorization event and verify resulting session and traffic state. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

D:

Assume a CoA notification always disconnects a client irrespective of message type. This action does not repair the identified failure. Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Instead, send the appropriate supported dynamic authorization event and verify resulting session and traffic state. For the specific situation, an endpoint is classified as untrusted and must be fully disconnected rather than merely assigned the same ACL.

Question 726

A network operator sends a reauthorization request when the device needs a new authentication exchange. Which configuration decision most directly satisfies the requirement?

  1. In this case, use only a profiler rule name as a live session termination signal.
  2. In this case, disable the switch authentication session feature to avoid CoA troubleshooting.
  3. In this case, choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling.
  4. In this case, assume a CoA notification always disconnects a client irrespective of message type.

Explanation

Correct Answer

C:

Verify the effect through coA message type, session termination, EAP retry and new policy decision. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Incorrect Answers

A:

Use only a profiler rule name as a live session termination signal. This alternative overlooks a required prerequisite or targets the wrong function. CoA reauthentication and disconnect requests affect session state differently. The relevant evidence is coA message type, session termination, EAP retry and new policy decision. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

B:

Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

D:

Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Use the supported approach: choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling.

Question 727

A network operator sends a reauthorization request when the device needs a new authentication exchange. What observations most directly test this network-access condition?

  1. The supporting evidence is coA message type, session termination, EAP retry and new policy decision.
  2. The supporting evidence is a successful ICMP echo that does not test the required identity-service workflow.
  3. The supporting evidence is a switch interface description without any live AAA request or response.
  4. The supporting evidence is an old diagram with no RADIUS, TACACS+ or endpoint-session evidence.

Explanation

Correct Answer

A:

These observations directly establish the result of CoA disconnect versus reauthentication outcome for the described endpoint or network device. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Incorrect Answers

B:

A successful ICMP echo that does not test the required identity-service workflow. This observation cannot verify CoA disconnect versus reauthentication outcome. Check coA message type, session termination, EAP retry and new policy decision. CoA reauthentication and disconnect requests affect session state differently. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

C:

A switch interface description without any live AAA request or response. This observation cannot verify CoA disconnect versus reauthentication outcome. Check coA message type, session termination, EAP retry and new policy decision. CoA reauthentication and disconnect requests affect session state differently. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

D:

An old diagram with no RADIUS, TACACS+ or endpoint-session evidence. This observation cannot verify CoA disconnect versus reauthentication outcome. Check coA message type, session termination, EAP retry and new policy decision. CoA reauthentication and disconnect requests affect session state differently. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Question 728

A network operator sends a reauthorization request when the device needs a new authentication exchange. What principle of ISE authentication and authorization explains this case?

  1. The governing principle is that every RADIUS Access-Accept grants unrestricted access to all applications.
  2. The governing principle is that a captive portal page automatically changes network authorization on every active NAD session without signaling.
  3. The governing principle is that a MAC address is a cryptographic proof of endpoint device ownership.
  4. The governing principle is that coA reauthentication and disconnect requests affect session state differently.

Explanation

Correct Answer

D:

The supported implementation is to choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Incorrect Answers

A:

Every RADIUS Access-Accept grants unrestricted access to all applications. This generalization is not valid for CoA disconnect versus reauthentication outcome. Instead coA reauthentication and disconnect requests affect session state differently. Verify the actual state using coA message type, session termination, EAP retry and new policy decision. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

B:

A captive portal page automatically changes network authorization on every active NAD session without signaling. This generalization is not valid for CoA disconnect versus reauthentication outcome. Instead coA reauthentication and disconnect requests affect session state differently. Verify the actual state using coA message type, session termination, EAP retry and new policy decision. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

C:

A MAC address is a cryptographic proof of endpoint device ownership. This generalization is not valid for CoA disconnect versus reauthentication outcome. Instead coA reauthentication and disconnect requests affect session state differently. Verify the actual state using coA message type, session termination, EAP retry and new policy decision. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Question 729

A network operator sends a reauthorization request when the device needs a new authentication exchange. An operator proposes the following incorrect shortcut: Assume a CoA notification always disconnects a client irrespective of message type. Which negative consequence BEST explains the shortcut’s flaw?

  1. The material consequence is that accurate device accounting automatically created every earlier failed EAP exchange.
  2. The material consequence is that inspecting a correct endpoint certificate generated the original directory outage.
  3. The material consequence is that the only result is an unrelated portal background color change.
  4. The material consequence is that applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port.

Explanation

Correct Answer

D:

The supported preventive action is to choose supported CoA reauth or disconnect behavior according to required session and reauthentication handling. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Incorrect Answers

A:

This unrelated assertion does not explain the CoA disconnect versus reauthentication outcome problem. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

B:

This unrelated assertion does not explain the CoA disconnect versus reauthentication outcome problem. Inspecting a correct endpoint certificate generated the original directory outage.

C:

This unrelated assertion does not explain the CoA disconnect versus reauthentication outcome problem. The only result is an unrelated portal background color change.

Question 730

A network operator sends a reauthorization request when the device needs a new authentication exchange. The observed failure is: Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. How should the administrator correct and verify this failure?

  1. The supported recovery is to disable the switch authentication session feature to avoid CoA troubleshooting.
  2. The supported recovery is to assume a CoA notification always disconnects a client irrespective of message type.
  3. The supported recovery is to send the appropriate supported dynamic authorization event and verify resulting session and traffic state.
  4. The supported recovery is to use only a profiler rule name as a live session termination signal.

Explanation

Correct Answer

C:

This restores the intended operational behavior for CoA disconnect versus reauthentication outcome. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Incorrect Answers

A:

Disable the switch authentication session feature to avoid CoA troubleshooting. This action does not repair the identified failure. Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Instead, send the appropriate supported dynamic authorization event and verify resulting session and traffic state. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

B:

Assume a CoA notification always disconnects a client irrespective of message type. This action does not repair the identified failure. Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Instead, send the appropriate supported dynamic authorization event and verify resulting session and traffic state. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

D:

Use only a profiler rule name as a live session termination signal. This action does not repair the identified failure. Applying a wrong CoA action can leave a disallowed client online or repeatedly flap an authorized port. Instead, send the appropriate supported dynamic authorization event and verify resulting session and traffic state. For the specific situation, a network operator sends a reauthorization request when the device needs a new authentication exchange.

Implementing and Configuring Cisco Identity Services Engine (300-715 SISE) (300-715) Practice Tests