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Cisco 300-715 Practice Test 47

Question 460

A new captive portal returns a blank page because the bootstrap ACL prevents reaching ISE TCP 443. The observed failure is: A deny-all ACL can prevent the client from resolving or reaching its own login page. Which remediation resolves the underlying fault while maintaining policy?

  1. The supported recovery is to use an endpoint MAC display name as the substitute for DNS resolution.
  2. The supported recovery is to add minimum required bootstrap exceptions then retest portal accessibility and forbidden internal traffic.
  3. The supported recovery is to permit all internal networks to every unauthenticated client as the bootstrap policy.
  4. The supported recovery is to block the captive portal listener and rely on the browser cache.

Explanation

Correct Answer

B:

Recheck prelogin dACL entries, DNS request and reply, HTTPS reachability, packet trace and portal log. For the specific situation, a new captive portal returns a blank page because the bootstrap ACL prevents reaching ISE TCP 443.

Incorrect Answers

A:

Use an endpoint MAC display name as the substitute for DNS resolution. This action does not repair the identified failure. A deny-all ACL can prevent the client from resolving or reaching its own login page. Instead, add minimum required bootstrap exceptions then retest portal accessibility and forbidden internal traffic. For the specific situation, a new captive portal returns a blank page because the bootstrap ACL prevents reaching ISE TCP 443.

C:

Permit all internal networks to every unauthenticated client as the bootstrap policy. This action does not repair the identified failure. A deny-all ACL can prevent the client from resolving or reaching its own login page. Instead, add minimum required bootstrap exceptions then retest portal accessibility and forbidden internal traffic. For the specific situation, a new captive portal returns a blank page because the bootstrap ACL prevents reaching ISE TCP 443.

D:

Block the captive portal listener and rely on the browser cache. This action does not repair the identified failure. A deny-all ACL can prevent the client from resolving or reaching its own login page. Instead, add minimum required bootstrap exceptions then retest portal accessibility and forbidden internal traffic. For the specific situation, a new captive portal returns a blank page because the bootstrap ACL prevents reaching ISE TCP 443.

Question 461

A guest completes portal credentials but the switch still applies the original redirect ACL. Which administrator action is appropriate for this ISE access-control problem?

  1. Assume changing the portal success text modifies the NAD session directly.
  2. Block RADIUS CoA while expecting immediate role transition.
  3. Permanently authorize guest subnet before checking the portal credentials.
  4. Enable supported CoA or reauthentication so a successful portal login triggers a new authorization result.

Explanation

Correct Answer

D:

Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

Incorrect Answers

A:

This does not implement the required control for Web-auth success reauthorization via CoA. Without a policy refresh, the captive redirect can remain active after successful credentials.

B:

Block RADIUS CoA while expecting immediate role transition. This alternative overlooks a required prerequisite or targets the wrong function. Guest portal login and an active NAD session policy are separate states that require synchronization. The relevant evidence is guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

C:

Without a policy refresh, the captive redirect can remain active after successful credentials. Instead the intended policy action is enable supported CoA or reauthentication so a successful portal login triggers a new authorization result.

Question 462

A guest completes portal credentials but the switch still applies the original redirect ACL. Which collected records establish that the ISE decision actually took effect?

  1. A successful ICMP echo that does not test the required identity-service workflow.
  2. Guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after.
  3. A browser theme label without a current authorization trace.
  4. An old diagram with no RADIUS, TACACS+ or endpoint-session evidence.

Explanation

Correct Answer

B:

These observations directly establish the result of Web-auth success reauthorization via CoA for the described endpoint or network device. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

Incorrect Answers

A:

A successful ICMP echo that does not test the required identity-service workflow. This observation cannot verify Web-auth success reauthorization via CoA. Check guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

C:

A browser theme label without a current authorization trace. This observation cannot verify Web-auth success reauthorization via CoA. Check guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

D:

An old diagram with no RADIUS, TACACS+ or endpoint-session evidence. This observation cannot verify Web-auth success reauthorization via CoA. Check guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

Question 463

A guest completes portal credentials but the switch still applies the original redirect ACL. Which statement about the relevant technology is correct?

  1. All Cisco ISE administration and policy personas perform exactly the same service.
  2. A captive portal page automatically changes network authorization on every active NAD session without signaling.
  3. Guest portal login and an active NAD session policy are separate states that require synchronization.
  4. A MAC address is a cryptographic proof of endpoint device ownership.

Explanation

Correct Answer

C:

The supported implementation is to enable supported CoA or reauthentication so a successful portal login triggers a new authorization result. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

Incorrect Answers

A:

This generalization is not valid for Web-auth success reauthorization via CoA. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

B:

This generalization is not valid for Web-auth success reauthorization via CoA. Instead guest portal login and an active NAD session policy are separate states that require synchronization.

D:

This generalization is not valid for Web-auth success reauthorization via CoA. Verify the actual state using guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after.

Question 464

A guest completes portal credentials but the switch still applies the original redirect ACL. An operator proposes the following incorrect shortcut: Assume changing the portal success text modifies the NAD session directly. What specific security or operational failure should be anticipated?

  1. Without a policy refresh, the captive redirect can remain active after successful credentials.
  2. Accurate device accounting automatically created every earlier failed EAP exchange.
  3. Inspecting a correct endpoint certificate generated the original directory outage.
  4. A justified least-privilege ACL caused every unrelated network authentication fault.

Explanation

Correct Answer

A:

The shortcut is unsuitable because guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

Incorrect Answers

B:

This unrelated assertion does not explain the Web-auth success reauthorization via CoA problem. The relevant risk is that without a policy refresh, the captive redirect can remain active after successful credentials.

C:

This unrelated assertion does not explain the Web-auth success reauthorization via CoA problem. For the specific situation, a guest completes portal credentials but the switch still applies the original redirect ACL.

D:

This unrelated assertion does not explain the Web-auth success reauthorization via CoA problem. Check guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after.

Question 465

A guest completes portal credentials but the switch still applies the original redirect ACL. The observed failure is: Without a policy refresh, the captive redirect can remain active after successful credentials. Which remediation resolves the underlying fault while maintaining policy?

  1. Block RADIUS CoA while expecting immediate role transition.
  2. Repair CoA path and reauthorization then verify postlogin session ACL and connectivity.
  3. Permanently authorize guest subnet before checking the portal credentials.
  4. Assume changing the portal success text modifies the NAD session directly.

Explanation

Correct Answer

B:

Guest portal login and an active NAD session policy are separate states that require synchronization. This restores the intended operational behavior for Web-auth success reauthorization via CoA.

Incorrect Answers

A:

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 guest completes portal credentials but the switch still applies the original redirect ACL.

C:

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 guest completes portal credentials but the switch still applies the original redirect ACL.

D:

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 guest completes portal credentials but the switch still applies the original redirect ACL.

Question 466

A wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights. What action addresses this authenticated network-access scenario?

  1. In this case, block RADIUS CoA while expecting immediate role transition.
  2. In this case, enable supported CoA or reauthentication so a successful portal login triggers a new authorization result.
  3. In this case, permanently authorize guest subnet before checking the portal credentials.
  4. In this case, assume changing the portal success text modifies the NAD session directly.

Explanation

Correct Answer

B:

Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

Incorrect Answers

A:

Block RADIUS CoA while expecting immediate role transition. This alternative overlooks a required prerequisite or targets the wrong function. Guest portal login and an active NAD session policy are separate states that require synchronization. The relevant evidence is guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

C:

Without a policy refresh, the captive redirect can remain active after successful credentials. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

D:

This does not implement the required control for Web-auth success reauthorization via CoA. Use the supported approach: enable supported CoA or reauthentication so a successful portal login triggers a new authorization result.

Question 467

A wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights. What verification should the engineer use before declaring success?

  1. The supporting evidence is a device hostname alone without the policy result or authenticated source.
  2. The supporting evidence is guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after.
  3. The supporting evidence is a successful ICMP echo that does not test the required identity-service workflow.
  4. The supporting evidence is a browser theme label without a current authorization trace.

Explanation

Correct Answer

B:

These observations directly establish the result of Web-auth success reauthorization via CoA for the described endpoint or network device. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

Incorrect Answers

A:

A device hostname alone without the policy result or authenticated source. This observation cannot verify Web-auth success reauthorization via CoA. Check guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

C:

A successful ICMP echo that does not test the required identity-service workflow. This observation cannot verify Web-auth success reauthorization via CoA. Check guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

D:

A browser theme label without a current authorization trace. This observation cannot verify Web-auth success reauthorization via CoA. Check guest login acceptance, CoA message, RADIUS session state, ACL or VLAN before and after. Guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

Question 468

A wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights. Which underlying service behavior supports the proposed solution?

  1. The governing principle is that a MAC address is a cryptographic proof of endpoint device ownership.
  2. The governing principle is that all Cisco ISE administration and policy personas perform exactly the same service.
  3. The governing principle is that a policy display name alone is the complete source of enforcement state.
  4. The governing principle is that guest portal login and an active NAD session policy are separate states that require synchronization.

Explanation

Correct Answer

D:

The supported implementation is to enable supported CoA or reauthentication so a successful portal login triggers a new authorization result. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

Incorrect Answers

A:

This generalization is not valid for Web-auth success reauthorization via CoA. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

B:

This generalization is not valid for Web-auth success reauthorization via CoA. All Cisco ISE administration and policy personas perform exactly the same service.

C:

This generalization is not valid for Web-auth success reauthorization via CoA. A policy display name alone is the complete source of enforcement state.

Question 469

A wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights. An operator proposes the following incorrect shortcut: Assume changing the portal success text modifies the NAD session directly. Why does that proposed shortcut not satisfy the requirement?

  1. The material consequence is that a justified least-privilege ACL caused every unrelated network authentication fault.
  2. The material consequence is that without a policy refresh, the captive redirect can remain active after successful credentials.
  3. The material consequence is that a correctly recorded TACACS command audit caused the preceding security violation.
  4. The material consequence is that inspecting a correct endpoint certificate generated the original directory outage.

Explanation

Correct Answer

B:

The shortcut is unsuitable because guest portal login and an active NAD session policy are separate states that require synchronization. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

Incorrect Answers

A:

This unrelated assertion does not explain the Web-auth success reauthorization via CoA problem. For the specific situation, a wireless device signs in to captive Wi-Fi but only restarting the SSID updates its access rights.

C:

This unrelated assertion does not explain the Web-auth success reauthorization via CoA problem. A correctly recorded TACACS command audit caused the preceding security violation.

D:

This unrelated assertion does not explain the Web-auth success reauthorization via CoA problem. Inspecting a correct endpoint certificate generated the original directory outage.

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.

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