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Cisco 300-715 Practice Test 48

Question 470

A wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights. The observed failure is: Without a policy refresh, the captive redirect can remain active after successful credentials. What recovery action restores supported network-access behavior?

  1. The supported recovery is to repair CoA path and reauthorization then verify postlogin session ACL and connectivity.
  2. The supported recovery is to permanently authorize guest subnet before checking the portal credentials.
  3. The supported recovery is to assume changing the portal success text modifies the NAD session directly.
  4. The supported recovery is to block RADIUS CoA while expecting immediate role transition.

Explanation

Correct Answer

A:

Guest portal login and an active NAD session policy are separate states that require synchronization. Recheck guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after.

Incorrect Answers

B:

Permanently authorize guest subnet before checking the portal credentials. This action does not repair the identified failure. Without a policy refresh, the captive redirect can remain active after successful credentials. Instead, repair CoA path and reauthorization then verify postlogin session ACL and connectivity. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

C:

Assume changing the portal success text modifies the NAD session directly. This action does not repair the identified failure. Without a policy refresh, the captive redirect can remain active after successful credentials. Instead, repair CoA path and reauthorization then verify postlogin session ACL and connectivity. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

D:

Block RADIUS CoA while expecting immediate role transition. This action does not repair the identified failure. Without a policy refresh, the captive redirect can remain active after successful credentials. Instead, repair CoA path and reauthorization then verify postlogin session ACL and connectivity. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

Question 471

A smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path. What action addresses this authenticated network-access scenario?

  1. Preserve the NAD session and endpoint correlation fields through the supported web-auth redirection and callback.
  2. Use only the shared gateway public IP to identify each guest uniquely.
  3. Assume every browser cookie always maps to the right switch port.
  4. Disable session validation to resolve a redirect loop.

Explanation

Correct Answer

A:

Verify the effect through rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

Incorrect Answers

B:

This does not implement the required control for Web-auth session and browser MAC correlation. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy.

C:

Assume every browser cookie always maps to the right switch port. This alternative overlooks a required prerequisite or targets the wrong function. Captive browser login must map back to the correct active network access session. The relevant evidence is rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

D:

Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

Question 472

A smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path. What verification should the engineer use before declaring success?

  1. A device hostname alone without the policy result or authenticated source.
  2. A current login screenshot from a completely unrelated ISE deployment.
  3. RADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target.
  4. A browser theme label without a current authorization trace.

Explanation

Correct Answer

C:

These observations directly establish the result of Web-auth session and browser MAC correlation for the described endpoint or network device. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

Incorrect Answers

A:

This observation cannot verify Web-auth session and browser MAC correlation. Captive browser login must map back to the correct active network access session.

B:

This observation cannot verify Web-auth session and browser MAC correlation. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

D:

This observation cannot verify Web-auth session and browser MAC correlation. Check rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target.

Question 473

A smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path. Which underlying service behavior supports the proposed solution?

  1. Captive browser login must map back to the correct active network access session.
  2. A successful switch port link signal always proves the device identity and policy were verified.
  3. All Cisco ISE administration and policy personas perform exactly the same service.
  4. A policy display name alone is the complete source of enforcement state.

Explanation

Correct Answer

A:

The supported implementation is to preserve the NAD session and endpoint correlation fields through the supported web-auth redirection and callback. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

Incorrect Answers

B:

This generalization is not valid for Web-auth session and browser MAC correlation. Instead captive browser login must map back to the correct active network access session.

C:

This generalization is not valid for Web-auth session and browser MAC correlation. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

D:

This generalization is not valid for Web-auth session and browser MAC correlation. Verify the actual state using rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target.

Question 474

A smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path. An operator proposes the following incorrect shortcut: Use only the shared gateway public IP to identify each guest uniquely. Why does that proposed shortcut not satisfy the requirement?

  1. A justified least-privilege ACL caused every unrelated network authentication fault.
  2. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy.
  3. A correctly recorded TACACS command audit caused the preceding security violation.
  4. Reading the authentication event report caused the original network access outage.

Explanation

Correct Answer

B:

The shortcut is unsuitable because captive browser login must map back to the correct active network access session. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

Incorrect Answers

A:

This unrelated assertion does not explain the Web-auth session and browser MAC correlation problem. The relevant risk is that losing session correlation can leave the client unauthenticated or modify another endpoint's policy.

C:

This unrelated assertion does not explain the Web-auth session and browser MAC correlation problem. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

D:

This unrelated assertion does not explain the Web-auth session and browser MAC correlation problem. Check rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target.

Question 475

A smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path. The observed failure is: Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. What recovery action restores supported network-access behavior?

  1. Assume every browser cookie always maps to the right switch port.
  2. Correct redirect and session identity handling then prove the login applies to the intended MAC.
  3. Disable session validation to resolve a redirect loop.
  4. Use only the shared gateway public IP to identify each guest uniquely.

Explanation

Correct Answer

B:

Captive browser login must map back to the correct active network access session. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

Incorrect Answers

A:

Assume every browser cookie always maps to the right switch port. This action does not repair the identified failure. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. Instead, correct redirect and session identity handling then prove the login applies to the intended MAC. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

C:

Disable session validation to resolve a redirect loop. This action does not repair the identified failure. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. Instead, correct redirect and session identity handling then prove the login applies to the intended MAC. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

D:

Use only the shared gateway public IP to identify each guest uniquely. This action does not repair the identified failure. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. Instead, correct redirect and session identity handling then prove the login applies to the intended MAC. For the specific situation, a smartphone completes the ISE captive portal but authorization updates the wrong MAC due to an unexpected NAT path.

Question 476

A guest portal request arrives without identifying the RADIUS session that originally caused redirect. What is the BEST supported ISE implementation or corrective action?

  1. In this case, preserve the NAD session and endpoint correlation fields through the supported web-auth redirection and callback.
  2. In this case, assume every browser cookie always maps to the right switch port.
  3. In this case, disable session validation to resolve a redirect loop.
  4. In this case, use only the shared gateway public IP to identify each guest uniquely.

Explanation

Correct Answer

A:

Verify the effect through rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

Incorrect Answers

B:

Assume every browser cookie always maps to the right switch port. This alternative overlooks a required prerequisite or targets the wrong function. Captive browser login must map back to the correct active network access session. The relevant evidence is rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

C:

Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

D:

This does not implement the required control for Web-auth session and browser MAC correlation. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

Question 477

A guest portal request arrives without identifying the RADIUS session that originally caused redirect. Which evidence BEST verifies the intended operational outcome?

  1. The supporting evidence is rADIUS session ID, endpoint MAC, controller source, redirect parameters, callback and CoA target.
  2. The supporting evidence is a switch interface description without any live AAA request or response.
  3. The supporting evidence is a device hostname alone without the policy result or authenticated source.
  4. The supporting evidence is a current login screenshot from a completely unrelated ISE deployment.

Explanation

Correct Answer

A:

These observations directly establish the result of Web-auth session and browser MAC correlation for the described endpoint or network device. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

Incorrect Answers

B:

This observation cannot verify Web-auth session and browser MAC correlation. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

C:

This observation cannot verify Web-auth session and browser MAC correlation. A device hostname alone without the policy result or authenticated source.

D:

This observation cannot verify Web-auth session and browser MAC correlation. A current login screenshot from a completely unrelated ISE deployment.

Question 478

A guest portal request arrives without identifying the RADIUS session that originally caused redirect. Which technical principle BEST explains the required decision?

  1. The governing principle is that captive browser login must map back to the correct active network access session.
  2. The governing principle is that a policy display name alone is the complete source of enforcement state.
  3. The governing principle is that a successful switch port link signal always proves the device identity and policy were verified.
  4. The governing principle is that every RADIUS Access-Accept grants unrestricted access to all applications.

Explanation

Correct Answer

A:

The supported implementation is to preserve the NAD session and endpoint correlation fields through the supported web-auth redirection and callback. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

Incorrect Answers

B:

This generalization is not valid for Web-auth session and browser MAC correlation. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

C:

This generalization is not valid for Web-auth session and browser MAC correlation. A successful switch port link signal always proves the device identity and policy were verified.

D:

This generalization is not valid for Web-auth session and browser MAC correlation. Every RADIUS Access-Accept grants unrestricted access to all applications.

Question 479

A guest portal request arrives without identifying the RADIUS session that originally caused redirect. An operator proposes the following incorrect shortcut: Use only the shared gateway public IP to identify each guest uniquely. What material risk or failure follows from that shortcut?

  1. The material consequence is that reading the authentication event report caused the original network access outage.
  2. The material consequence is that the only result is an unrelated portal background color change.
  3. The material consequence is that losing session correlation can leave the client unauthenticated or modify another endpoint's policy.
  4. The material consequence is that a correctly recorded TACACS command audit caused the preceding security violation.

Explanation

Correct Answer

C:

The shortcut is unsuitable because captive browser login must map back to the correct active network access session. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

Incorrect Answers

A:

This unrelated assertion does not explain the Web-auth session and browser MAC correlation problem. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

B:

This unrelated assertion does not explain the Web-auth session and browser MAC correlation problem. The only result is an unrelated portal background color change.

D:

This unrelated assertion does not explain the Web-auth session and browser MAC correlation problem. A correctly recorded TACACS command audit caused the preceding security violation.

Question 480

A guest portal request arrives without identifying the RADIUS session that originally caused redirect. The observed failure is: Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. Which controlled recovery BEST restores the intended state?

  1. The supported recovery is to correct redirect and session identity handling then prove the login applies to the intended MAC.
  2. The supported recovery is to disable session validation to resolve a redirect loop.
  3. The supported recovery is to use only the shared gateway public IP to identify each guest uniquely.
  4. The supported recovery is to assume every browser cookie always maps to the right switch port.

Explanation

Correct Answer

A:

Captive browser login must map back to the correct active network access session. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

Incorrect Answers

B:

Disable session validation to resolve a redirect loop. This action does not repair the identified failure. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. Instead, correct redirect and session identity handling then prove the login applies to the intended MAC. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

C:

Use only the shared gateway public IP to identify each guest uniquely. This action does not repair the identified failure. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. Instead, correct redirect and session identity handling then prove the login applies to the intended MAC. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

D:

Assume every browser cookie always maps to the right switch port. This action does not repair the identified failure. Losing session correlation can leave the client unauthenticated or modify another endpoint's policy. Instead, correct redirect and session identity handling then prove the login applies to the intended MAC. For the specific situation, a guest portal request arrives without identifying the RADIUS session that originally caused redirect.

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