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Cisco 300-715 Practice Test 43

Question 420

A policy exception intended for one lab subnet accidentally matches every corporate workstation. The observed failure is: Overbroad exceptions can expand temporary privileged reach into ordinary production traffic. Which remediation resolves the underlying fault while maintaining policy?

  1. The supported recovery is to grant full network access when only one remediation service is needed.
  2. The supported recovery is to create a permanent global bypass rule for a short maintenance activity.
  3. The supported recovery is to narrow or expire the exception and verify one permitted and one disallowed client.
  4. The supported recovery is to use a policy description field as the sole exception matching condition.

Explanation

Correct Answer

C:

Exceptions are deliberate authorization branches and should not override unrelated access rules. For the specific situation, a policy exception intended for one lab subnet accidentally matches every corporate workstation.

Incorrect Answers

A:

Grant full network access when only one remediation service is needed. This action does not repair the identified failure. Overbroad exceptions can expand temporary privileged reach into ordinary production traffic. Instead, narrow or expire the exception and verify one permitted and one disallowed client. For the specific situation, a policy exception intended for one lab subnet accidentally matches every corporate workstation.

B:

Create a permanent global bypass rule for a short maintenance activity. This action does not repair the identified failure. Overbroad exceptions can expand temporary privileged reach into ordinary production traffic. Instead, narrow or expire the exception and verify one permitted and one disallowed client. For the specific situation, a policy exception intended for one lab subnet accidentally matches every corporate workstation.

D:

Use a policy description field as the sole exception matching condition. This action does not repair the identified failure. Overbroad exceptions can expand temporary privileged reach into ordinary production traffic. Instead, narrow or expire the exception and verify one permitted and one disallowed client. For the specific situation, a policy exception intended for one lab subnet accidentally matches every corporate workstation.

Question 421

A wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL. Which administrator action is appropriate for this ISE access-control problem?

  1. Configure supported central web authentication with redirect ACL, URL and authorization profile on the NAD.
  2. Assume a guest portal automatically changes every switch port without RADIUS attributes.
  3. Block all DNS and portal HTTPS traffic in the redirect ACL.
  4. Use a wallpaper URL instead of the supported RADIUS redirect attribute.

Explanation

Correct Answer

A:

Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Incorrect Answers

B:

A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. This does not implement the required control for Central web authentication redirect authorization.

C:

Block all DNS and portal HTTPS traffic in the redirect ACL. This alternative overlooks a required prerequisite or targets the wrong function. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. The relevant evidence is access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

D:

A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Question 422

A wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL. Which collected records establish that the ISE decision actually took effect?

  1. A switch interface description without any live AAA request or response.
  2. Access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session.
  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:

Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. These observations directly establish the result of Central web authentication redirect authorization for the described endpoint or network device.

Incorrect Answers

A:

A switch interface description without any live AAA request or response. This observation cannot verify Central web authentication redirect authorization. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

C:

An old diagram with no RADIUS, TACACS+ or endpoint-session evidence. This observation cannot verify Central web authentication redirect authorization. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

D:

A current login screenshot from a completely unrelated ISE deployment. This observation cannot verify Central web authentication redirect authorization. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Question 423

A wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL. Which statement about the relevant technology is correct?

  1. A captive portal page automatically changes network authorization on every active NAD session without signaling.
  2. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic.
  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

B:

The supported implementation is to configure supported central web authentication with redirect ACL, URL and authorization profile on the NAD. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Incorrect Answers

A:

A captive portal page automatically changes network authorization on every active NAD session without signaling. This generalization is not valid for Central web authentication redirect authorization. Instead central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Verify the actual state using access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

C:

A successful switch port link signal always proves the device identity and policy were verified. This generalization is not valid for Central web authentication redirect authorization. Instead central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Verify the actual state using access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

D:

Every RADIUS Access-Accept grants unrestricted access to all applications. This generalization is not valid for Central web authentication redirect authorization. Instead central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Verify the actual state using access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Question 424

A wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL. An operator proposes the following incorrect shortcut: Assume a guest portal automatically changes every switch port without RADIUS attributes. What specific security or operational failure should be anticipated?

  1. Reading the authentication event report caused the original network access outage.
  2. A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy.
  3. The only result is an unrelated portal background color change.
  4. Accurate device accounting automatically created every earlier failed EAP exchange.

Explanation

Correct Answer

B:

The shortcut is unsuitable because central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Incorrect Answers

A:

Reading the authentication event report caused the original network access outage. This unrelated assertion does not explain the Central web authentication redirect authorization problem. The relevant risk is that a configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

C:

The only result is an unrelated portal background color change. This unrelated assertion does not explain the Central web authentication redirect authorization problem. The relevant risk is that a configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

D:

Accurate device accounting automatically created every earlier failed EAP exchange. This unrelated assertion does not explain the Central web authentication redirect authorization problem. The relevant risk is that a configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Question 425

A wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL. The observed failure is: A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Which remediation resolves the underlying fault while maintaining policy?

  1. Block all DNS and portal HTTPS traffic in the redirect ACL.
  2. Use a wallpaper URL instead of the supported RADIUS redirect attribute.
  3. Assume a guest portal automatically changes every switch port without RADIUS attributes.
  4. Repair authorization redirect and ACL and verify portal loading and postlogin reauthorization.

Explanation

Correct Answer

D:

Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. This restores the intended operational behavior for Central web authentication redirect authorization.

Incorrect Answers

A:

Block all DNS and portal HTTPS traffic in the redirect ACL. This action does not repair the identified failure. A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Instead, repair authorization redirect and ACL and verify portal loading and postlogin reauthorization. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

B:

Use a wallpaper URL instead of the supported RADIUS redirect attribute. This action does not repair the identified failure. A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Instead, repair authorization redirect and ACL and verify portal loading and postlogin reauthorization. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

C:

Assume a guest portal automatically changes every switch port without RADIUS attributes. This action does not repair the identified failure. A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Instead, repair authorization redirect and ACL and verify portal loading and postlogin reauthorization. For the specific situation, a wired guest can obtain DHCP but never reaches the ISE captive portal because a switch returns no redirect URL.

Question 426

A visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic. What action addresses this authenticated network-access scenario?

  1. In this case, block all DNS and portal HTTPS traffic in the redirect ACL.
  2. In this case, use a wallpaper URL instead of the supported RADIUS redirect attribute.
  3. In this case, assume a guest portal automatically changes every switch port without RADIUS attributes.
  4. In this case, configure supported central web authentication with redirect ACL, URL and authorization profile on the NAD.

Explanation

Correct Answer

D:

Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

Incorrect Answers

A:

Block all DNS and portal HTTPS traffic in the redirect ACL. This alternative overlooks a required prerequisite or targets the wrong function. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. The relevant evidence is access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

B:

A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

C:

A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Use the supported approach: configure supported central web authentication with redirect ACL, URL and authorization profile on the NAD.

Question 427

A visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic. What verification should the engineer use before declaring success?

  1. The supporting evidence is a successful ICMP echo that does not test the required identity-service workflow.
  2. The supporting evidence is a switch interface description without any live AAA request or response.
  3. The supporting evidence is access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session.
  4. The supporting evidence is an old diagram with no RADIUS, TACACS+ or endpoint-session evidence.

Explanation

Correct Answer

C:

Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session.

Incorrect Answers

A:

A successful ICMP echo that does not test the required identity-service workflow. This observation cannot verify Central web authentication redirect authorization. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

B:

A switch interface description without any live AAA request or response. This observation cannot verify Central web authentication redirect authorization. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

D:

An old diagram with no RADIUS, TACACS+ or endpoint-session evidence. This observation cannot verify Central web authentication redirect authorization. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

Question 428

A visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic. Which underlying service behavior supports the proposed solution?

  1. The governing principle is that central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic.
  2. The governing principle is that every RADIUS Access-Accept grants unrestricted access to all applications.
  3. The governing principle is that a captive portal page automatically changes network authorization on every active NAD session without signaling.
  4. The governing principle is that a MAC address is a cryptographic proof of endpoint device ownership.

Explanation

Correct Answer

A:

The supported implementation is to configure supported central web authentication with redirect ACL, URL and authorization profile on the NAD. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

Incorrect Answers

B:

Every RADIUS Access-Accept grants unrestricted access to all applications. This generalization is not valid for Central web authentication redirect authorization. Instead central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Verify the actual state using access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

C:

A captive portal page automatically changes network authorization on every active NAD session without signaling. This generalization is not valid for Central web authentication redirect authorization. Instead central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Verify the actual state using access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

D:

A MAC address is a cryptographic proof of endpoint device ownership. This generalization is not valid for Central web authentication redirect authorization. Instead central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Verify the actual state using access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

Question 429

A visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic. An operator proposes the following incorrect shortcut: Assume a guest portal automatically changes every switch port without RADIUS attributes. Why does that proposed shortcut not satisfy the requirement?

  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 a configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy.

Explanation

Correct Answer

D:

The shortcut is unsuitable because central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

Incorrect Answers

A:

Accurate device accounting automatically created every earlier failed EAP exchange. This unrelated assertion does not explain the Central web authentication redirect authorization problem. The relevant risk is that a configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

B:

Inspecting a correct endpoint certificate generated the original directory outage. This unrelated assertion does not explain the Central web authentication redirect authorization problem. The relevant risk is that a configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

C:

The only result is an unrelated portal background color change. This unrelated assertion does not explain the Central web authentication redirect authorization problem. The relevant risk is that a configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Check access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

Question 430

A visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic. The observed failure is: A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. What recovery action restores supported network-access behavior?

  1. The supported recovery is to repair authorization redirect and ACL and verify portal loading and postlogin reauthorization.
  2. The supported recovery is to use a wallpaper URL instead of the supported RADIUS redirect attribute.
  3. The supported recovery is to assume a guest portal automatically changes every switch port without RADIUS attributes.
  4. The supported recovery is to block all DNS and portal HTTPS traffic in the redirect ACL.

Explanation

Correct Answer

A:

Central web authentication depends on a NAD redirect and ISE portal after initial permitted traffic. Recheck access-Accept redirect attributes, preauth ACL, DNS and HTTP reachability, and portal session.

Incorrect Answers

B:

Use a wallpaper URL instead of the supported RADIUS redirect attribute. This action does not repair the identified failure. A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Instead, repair authorization redirect and ACL and verify portal loading and postlogin reauthorization. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

C:

Assume a guest portal automatically changes every switch port without RADIUS attributes. This action does not repair the identified failure. A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Instead, repair authorization redirect and ACL and verify portal loading and postlogin reauthorization. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

D:

Block all DNS and portal HTTPS traffic in the redirect ACL. This action does not repair the identified failure. A configured ISE portal alone cannot redirect endpoints when the NAD lacks a matching redirect policy. Instead, repair authorization redirect and ACL and verify portal loading and postlogin reauthorization. For the specific situation, a visitor portal is reachable by direct browsing but the network device does not intercept unauthenticated traffic.

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