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Cisco 300-715 Practice Test 53

Question 520

A guest registers a second phone and the intended endpoint identity group is never assigned to the new device. The observed failure is: Misclassified guest endpoints can fall through to default or overly broad policy. Which controlled recovery BEST restores the intended state?

  1. The supported recovery is to disable endpoint registrations because a report displays the wrong group.
  2. The supported recovery is to place all guest devices in the trusted corporate workstation identity group.
  3. The supported recovery is to assume a guest username automatically changes endpoint group membership without portal settings.
  4. The supported recovery is to correct group assignment and verify a newly registered device receives restricted guest authorization.

Explanation

Correct Answer

D:

Recheck guest endpoint group, registered MAC, portal flow setting, matched authorization rule and live session. This restores the intended operational behavior for Guest endpoint identity group registration.

Incorrect Answers

A:

Disable endpoint registrations because a report displays the wrong group. This action does not repair the identified failure. Misclassified guest endpoints can fall through to default or overly broad policy. Instead, correct group assignment and verify a newly registered device receives restricted guest authorization. For the specific situation, a guest registers a second phone and the intended endpoint identity group is never assigned to the new device.

B:

Place all guest devices in the trusted corporate workstation identity group. This action does not repair the identified failure. Misclassified guest endpoints can fall through to default or overly broad policy. Instead, correct group assignment and verify a newly registered device receives restricted guest authorization. For the specific situation, a guest registers a second phone and the intended endpoint identity group is never assigned to the new device.

C:

Assume a guest username automatically changes endpoint group membership without portal settings. This action does not repair the identified failure. Misclassified guest endpoints can fall through to default or overly broad policy. Instead, correct group assignment and verify a newly registered device receives restricted guest authorization. For the specific situation, a guest registers a second phone and the intended endpoint identity group is never assigned to the new device.

Question 521

An authenticated guest accesses internal file servers despite a requirement for Internet-only network access. What is the BEST supported ISE implementation or corrective action?

  1. Give every guest the same role as a domain administrator.
  2. Assume guest portal acceptance alone enforces routing firewall rules.
  3. Disable all DNS service to avoid internal name exposure without a functioning replacement.
  4. Return a tightly scoped guest authorization profile permitting required DNS and Internet routes while denying protected resources.

Explanation

Correct Answer

D:

Verify the effect through guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

Incorrect Answers

A:

This does not implement the required control for Guest access DNS HTTP and restricted Internet policy. An unrestricted postlogin ACL can let visitors reach internal business systems.

B:

Assume guest portal acceptance alone enforces routing firewall rules. This alternative overlooks a required prerequisite or targets the wrong function. A successful guest login is not equivalent to trusted employee network membership. The relevant evidence is guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

C:

An unrestricted postlogin ACL can let visitors reach internal business systems. Instead the intended policy action is return a tightly scoped guest authorization profile permitting required DNS and Internet routes while denying protected resources.

Question 522

An authenticated guest accesses internal file servers despite a requirement for Internet-only network access. Which evidence BEST verifies the intended operational outcome?

  1. A successful ICMP echo that does not test the required identity-service workflow.
  2. Guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test.
  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 Guest access DNS HTTP and restricted Internet policy for the described endpoint or network device. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

Incorrect Answers

A:

This observation cannot verify Guest access DNS HTTP and restricted Internet policy. A successful guest login is not equivalent to trusted employee network membership.

C:

This observation cannot verify Guest access DNS HTTP and restricted Internet policy. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

D:

This observation cannot verify Guest access DNS HTTP and restricted Internet policy. Check guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test.

Question 523

An authenticated guest accesses internal file servers despite a requirement for Internet-only network access. Which technical principle BEST explains the required decision?

  1. A successful guest login is not equivalent to trusted employee network membership.
  2. All Cisco ISE administration and policy personas perform exactly the same service.
  3. A captive portal page automatically changes network authorization on every active NAD session without signaling.
  4. A MAC address is a cryptographic proof of endpoint device ownership.

Explanation

Correct Answer

A:

The supported implementation is to return a tightly scoped guest authorization profile permitting required DNS and Internet routes while denying protected resources. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

Incorrect Answers

B:

This generalization is not valid for Guest access DNS HTTP and restricted Internet policy. Instead a successful guest login is not equivalent to trusted employee network membership.

C:

This generalization is not valid for Guest access DNS HTTP and restricted Internet policy. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

D:

This generalization is not valid for Guest access DNS HTTP and restricted Internet policy. Verify the actual state using guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test.

Question 524

An authenticated guest accesses internal file servers despite a requirement for Internet-only network access. An operator proposes the following incorrect shortcut: Give every guest the same role as a domain administrator. What material risk or failure follows from that shortcut?

  1. An unrestricted postlogin ACL can let visitors reach internal business systems.
  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 a successful guest login is not equivalent to trusted employee network membership. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

Incorrect Answers

B:

This unrelated assertion does not explain the Guest access DNS HTTP and restricted Internet policy problem. The relevant risk is that an unrestricted postlogin ACL can let visitors reach internal business systems.

C:

This unrelated assertion does not explain the Guest access DNS HTTP and restricted Internet policy problem. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

D:

This unrelated assertion does not explain the Guest access DNS HTTP and restricted Internet policy problem. Check guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test.

Question 525

An authenticated guest accesses internal file servers despite a requirement for Internet-only network access. The observed failure is: An unrestricted postlogin ACL can let visitors reach internal business systems. Which controlled recovery BEST restores the intended state?

  1. Correct guest network segmentation and prove public access and internal denial.
  2. Assume guest portal acceptance alone enforces routing firewall rules.
  3. Disable all DNS service to avoid internal name exposure without a functioning replacement.
  4. Give every guest the same role as a domain administrator.

Explanation

Correct Answer

A:

This restores the intended operational behavior for Guest access DNS HTTP and restricted Internet policy. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

Incorrect Answers

B:

Assume guest portal acceptance alone enforces routing firewall rules. This action does not repair the identified failure. An unrestricted postlogin ACL can let visitors reach internal business systems. Instead, correct guest network segmentation and prove public access and internal denial. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

C:

Disable all DNS service to avoid internal name exposure without a functioning replacement. This action does not repair the identified failure. An unrestricted postlogin ACL can let visitors reach internal business systems. Instead, correct guest network segmentation and prove public access and internal denial. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

D:

Give every guest the same role as a domain administrator. This action does not repair the identified failure. An unrestricted postlogin ACL can let visitors reach internal business systems. Instead, correct guest network segmentation and prove public access and internal denial. For the specific situation, an authenticated guest accesses internal file servers despite a requirement for Internet-only network access.

Question 526

A visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing. Which configuration decision most directly satisfies the requirement?

  1. In this case, assume guest portal acceptance alone enforces routing firewall rules.
  2. In this case, disable all DNS service to avoid internal name exposure without a functioning replacement.
  3. In this case, return a tightly scoped guest authorization profile permitting required DNS and Internet routes while denying protected resources.
  4. In this case, give every guest the same role as a domain administrator.

Explanation

Correct Answer

C:

Verify the effect through guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

Incorrect Answers

A:

Assume guest portal acceptance alone enforces routing firewall rules. This alternative overlooks a required prerequisite or targets the wrong function. A successful guest login is not equivalent to trusted employee network membership. The relevant evidence is guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

B:

An unrestricted postlogin ACL can let visitors reach internal business systems. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

D:

This does not implement the required control for Guest access DNS HTTP and restricted Internet policy. Use the supported approach: return a tightly scoped guest authorization profile permitting required DNS and Internet routes while denying protected resources.

Question 527

A visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing. What observations most directly test this network-access condition?

  1. The supporting evidence is a device hostname alone without the policy result or authenticated source.
  2. The supporting evidence is guest dACL or VLAN, routing and DNS tests, internal negative access and Internet positive test.
  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 Guest access DNS HTTP and restricted Internet policy for the described endpoint or network device. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

Incorrect Answers

A:

This observation cannot verify Guest access DNS HTTP and restricted Internet policy. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

C:

This observation cannot verify Guest access DNS HTTP and restricted Internet policy. A successful ICMP echo that does not test the required identity-service workflow.

D:

This observation cannot verify Guest access DNS HTTP and restricted Internet policy. A browser theme label without a current authorization trace.

Question 528

A visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing. What principle of ISE authentication and authorization explains this case?

  1. The governing principle is that a successful guest login is not equivalent to trusted employee network membership.
  2. The governing principle is that a MAC address is a cryptographic proof of endpoint device ownership.
  3. The governing principle is that all Cisco ISE administration and policy personas perform exactly the same service.
  4. The governing principle is that a policy display name alone is the complete source of enforcement state.

Explanation

Correct Answer

A:

The supported implementation is to return a tightly scoped guest authorization profile permitting required DNS and Internet routes while denying protected resources. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

Incorrect Answers

B:

This generalization is not valid for Guest access DNS HTTP and restricted Internet policy. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

C:

This generalization is not valid for Guest access DNS HTTP and restricted Internet policy. All Cisco ISE administration and policy personas perform exactly the same service.

D:

This generalization is not valid for Guest access DNS HTTP and restricted Internet policy. A policy display name alone is the complete source of enforcement state.

Question 529

A visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing. An operator proposes the following incorrect shortcut: Give every guest the same role as a domain administrator. Which negative consequence BEST explains the shortcut’s flaw?

  1. The material consequence is that a justified least-privilege ACL caused every unrelated network authentication fault.
  2. The material consequence is that a correctly recorded TACACS command audit caused the preceding security violation.
  3. The material consequence is that inspecting a correct endpoint certificate generated the original directory outage.
  4. The material consequence is that an unrestricted postlogin ACL can let visitors reach internal business systems.

Explanation

Correct Answer

D:

The shortcut is unsuitable because a successful guest login is not equivalent to trusted employee network membership. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

Incorrect Answers

A:

This unrelated assertion does not explain the Guest access DNS HTTP and restricted Internet policy problem. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

B:

This unrelated assertion does not explain the Guest access DNS HTTP and restricted Internet policy problem. A correctly recorded TACACS command audit caused the preceding security violation.

C:

This unrelated assertion does not explain the Guest access DNS HTTP and restricted Internet policy problem. Inspecting a correct endpoint certificate generated the original directory outage.

Question 530

A visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing. The observed failure is: An unrestricted postlogin ACL can let visitors reach internal business systems. How should the administrator correct and verify this failure?

  1. The supported recovery is to disable all DNS service to avoid internal name exposure without a functioning replacement.
  2. The supported recovery is to give every guest the same role as a domain administrator.
  3. The supported recovery is to correct guest network segmentation and prove public access and internal denial.
  4. The supported recovery is to assume guest portal acceptance alone enforces routing firewall rules.

Explanation

Correct Answer

C:

This restores the intended operational behavior for Guest access DNS HTTP and restricted Internet policy. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

Incorrect Answers

A:

Disable all DNS service to avoid internal name exposure without a functioning replacement. This action does not repair the identified failure. An unrestricted postlogin ACL can let visitors reach internal business systems. Instead, correct guest network segmentation and prove public access and internal denial. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

B:

Give every guest the same role as a domain administrator. This action does not repair the identified failure. An unrestricted postlogin ACL can let visitors reach internal business systems. Instead, correct guest network segmentation and prove public access and internal denial. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

D:

Assume guest portal acceptance alone enforces routing firewall rules. This action does not repair the identified failure. An unrestricted postlogin ACL can let visitors reach internal business systems. Instead, correct guest network segmentation and prove public access and internal denial. For the specific situation, a visitor captive portal works but their post-login ACL inadvertently blocks DNS and public web browsing.

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