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Cisco 300-715 Practice Test 111

Question 1100

An ISE report lists successful logins but managers wrongly assume it proves which changes users were authorized to run. The observed failure is: A working login alone does not prove command restriction or audit evidence exists. Which remediation resolves the underlying fault while maintaining policy?

  1. The supported recovery is to delete command accounting events after a troubleshooting session.
  2. The supported recovery is to enable the missing policy and accounting path then test a permitted command and a denied command.
  3. The supported recovery is to assume authentication automatically saves every configuration command to an audit log.
  4. The supported recovery is to give every authenticated admin unrestricted privilege fifteen by default.

Explanation

Correct Answer

B:

This restores the intended operational behavior for AAA authentication authorization and accounting separation. For the specific situation, an ISE report lists successful logins but managers wrongly assume it proves which changes users were authorized to run.

Incorrect Answers

A:

Delete command accounting events after a troubleshooting session. This action does not repair the identified failure. A working login alone does not prove command restriction or audit evidence exists. Instead, enable the missing policy and accounting path then test a permitted command and a denied command. For the specific situation, an ISE report lists successful logins but managers wrongly assume it proves which changes users were authorized to run.

C:

Assume authentication automatically saves every configuration command to an audit log. This action does not repair the identified failure. A working login alone does not prove command restriction or audit evidence exists. Instead, enable the missing policy and accounting path then test a permitted command and a denied command. For the specific situation, an ISE report lists successful logins but managers wrongly assume it proves which changes users were authorized to run.

D:

Give every authenticated admin unrestricted privilege fifteen by default. This action does not repair the identified failure. A working login alone does not prove command restriction or audit evidence exists. Instead, enable the missing policy and accounting path then test a permitted command and a denied command. For the specific situation, an ISE report lists successful logins but managers wrongly assume it proves which changes users were authorized to run.

Question 1101

An access router's device administration stops working after a firewall policy blocks TCP 49 to ISE. Which administrator action is appropriate for this ISE access-control problem?

  1. Assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable.
  2. Disable the device admin service on every target PSN.
  3. Enable the appropriate ISE device-admin service and permit authenticated TACACS+ traffic on the configured supported listener.
  4. Use any random open TCP port without matching device-admin service settings.

Explanation

Correct Answer

C:

Verify the effect through nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

Incorrect Answers

A:

This does not implement the required control for TACACS TCP port and reachability. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability.

B:

Disable the device admin service on every target PSN. This alternative overlooks a required prerequisite or targets the wrong function. TACACS+ device administration requires a reachable enabled service on designated policy nodes. The relevant evidence is nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

D:

A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

Question 1102

An access router's device administration stops working after a firewall policy blocks TCP 49 to ISE. Which collected records establish that the ISE decision actually took effect?

  1. A device hostname alone without the policy result or authenticated source.
  2. NAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log.
  3. A current login screenshot from a completely unrelated ISE deployment.
  4. A browser theme label without a current authorization trace.

Explanation

Correct Answer

B:

These observations directly establish the result of TACACS TCP port and reachability for the described endpoint or network device. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

Incorrect Answers

A:

This observation cannot verify TACACS TCP port and reachability. TACACS+ device administration requires a reachable enabled service on designated policy nodes.

C:

This observation cannot verify TACACS TCP port and reachability. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

D:

This observation cannot verify TACACS TCP port and reachability. Check nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log.

Question 1103

An access router's device administration stops working after a firewall policy blocks TCP 49 to ISE. Which statement about the relevant technology is correct?

  1. A successful switch port link signal always proves the device identity and policy were verified.
  2. All Cisco ISE administration and policy personas perform exactly the same service.
  3. TACACS+ device administration requires a reachable enabled service on designated policy nodes.
  4. A policy display name alone is the complete source of enforcement state.

Explanation

Correct Answer

C:

The supported implementation is to enable the appropriate ISE device-admin service and permit authenticated TACACS+ traffic on the configured supported listener. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

Incorrect Answers

A:

This generalization is not valid for TACACS TCP port and reachability. Instead tACACS+ device administration requires a reachable enabled service on designated policy nodes.

B:

This generalization is not valid for TACACS TCP port and reachability. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

D:

This generalization is not valid for TACACS TCP port and reachability. Verify the actual state using nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log.

Question 1104

An access router's device administration stops working after a firewall policy blocks TCP 49 to ISE. An operator proposes the following incorrect shortcut: Assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable. What specific security or operational failure should be anticipated?

  1. A justified least-privilege ACL caused every unrelated network authentication fault.
  2. A correctly recorded TACACS command audit caused the preceding security violation.
  3. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability.
  4. Reading the authentication event report caused the original network access outage.

Explanation

Correct Answer

C:

The shortcut is unsuitable because tACACS+ device administration requires a reachable enabled service on designated policy nodes. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

Incorrect Answers

A:

This unrelated assertion does not explain the TACACS TCP port and reachability problem. The relevant risk is that a healthy RADIUS UDP exchange does not establish TCP TACACS+ availability.

B:

This unrelated assertion does not explain the TACACS TCP port and reachability problem. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

D:

This unrelated assertion does not explain the TACACS TCP port and reachability problem. Check nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log.

Question 1105

An access router's device administration stops working after a firewall policy blocks TCP 49 to ISE. The observed failure is: A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. Which remediation resolves the underlying fault while maintaining policy?

  1. Disable the device admin service on every target PSN.
  2. Use any random open TCP port without matching device-admin service settings.
  3. Repair the listener and firewall reachability then test administrator login against each PSN.
  4. Assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable.

Explanation

Correct Answer

C:

Recheck nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

Incorrect Answers

A:

Disable the device admin service on every target PSN. This action does not repair the identified failure. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. Instead, repair the listener and firewall reachability then test administrator login against each PSN. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

B:

Use any random open TCP port without matching device-admin service settings. This action does not repair the identified failure. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. Instead, repair the listener and firewall reachability then test administrator login against each PSN. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

D:

Assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable. This action does not repair the identified failure. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. Instead, repair the listener and firewall reachability then test administrator login against each PSN. For the specific situation, an access router's device administration stops working after a firewall policy blocks TCP 49 to ISE.

Question 1106

A TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled. What action addresses this authenticated network-access scenario?

  1. In this case, disable the device admin service on every target PSN.
  2. In this case, use any random open TCP port without matching device-admin service settings.
  3. In this case, enable the appropriate ISE device-admin service and permit authenticated TACACS+ traffic on the configured supported listener.
  4. In this case, assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable.

Explanation

Correct Answer

C:

Verify the effect through nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

Incorrect Answers

A:

Disable the device admin service on every target PSN. This alternative overlooks a required prerequisite or targets the wrong function. TACACS+ device administration requires a reachable enabled service on designated policy nodes. The relevant evidence is nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

B:

A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

D:

This does not implement the required control for TACACS TCP port and reachability. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

Question 1107

A TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled. What verification should the engineer use before declaring success?

  1. The supporting evidence is a switch interface description without any live AAA request or response.
  2. The supporting evidence is a device hostname alone without the policy result or authenticated source.
  3. The supporting evidence is nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log.
  4. The supporting evidence is a current login screenshot from a completely unrelated ISE deployment.

Explanation

Correct Answer

C:

These observations directly establish the result of TACACS TCP port and reachability for the described endpoint or network device. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

Incorrect Answers

A:

This observation cannot verify TACACS TCP port and reachability. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

B:

This observation cannot verify TACACS TCP port and reachability. A device hostname alone without the policy result or authenticated source.

D:

This observation cannot verify TACACS TCP port and reachability. A current login screenshot from a completely unrelated ISE deployment.

Question 1108

A TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled. Which underlying service behavior supports the proposed solution?

  1. The governing principle is that a policy display name alone is the complete source of enforcement state.
  2. The governing principle is that tACACS+ device administration requires a reachable enabled service on designated policy nodes.
  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

B:

The supported implementation is to enable the appropriate ISE device-admin service and permit authenticated TACACS+ traffic on the configured supported listener. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

Incorrect Answers

A:

This generalization is not valid for TACACS TCP port and reachability. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

C:

This generalization is not valid for TACACS TCP port and reachability. A successful switch port link signal always proves the device identity and policy were verified.

D:

This generalization is not valid for TACACS TCP port and reachability. Every RADIUS Access-Accept grants unrestricted access to all applications.

Question 1109

A TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled. An operator proposes the following incorrect shortcut: Assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable. Why does that proposed shortcut not satisfy the requirement?

  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 a healthy RADIUS UDP exchange does not establish TCP TACACS+ availability.
  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 tACACS+ device administration requires a reachable enabled service on designated policy nodes. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

Incorrect Answers

A:

This unrelated assertion does not explain the TACACS TCP port and reachability problem. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

B:

This unrelated assertion does not explain the TACACS TCP port and reachability problem. The only result is an unrelated portal background color change.

D:

This unrelated assertion does not explain the TACACS TCP port and reachability problem. A correctly recorded TACACS command audit caused the preceding security violation.

Question 1110

A TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled. The observed failure is: A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. What recovery action restores supported network-access behavior?

  1. The supported recovery is to use any random open TCP port without matching device-admin service settings.
  2. The supported recovery is to assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable.
  3. The supported recovery is to repair the listener and firewall reachability then test administrator login against each PSN.
  4. The supported recovery is to disable the device admin service on every target PSN.

Explanation

Correct Answer

C:

Recheck nAD TACACS server, port 49 or authorized alternate, PSN service state, TCP session and TACACS log. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

Incorrect Answers

A:

Use any random open TCP port without matching device-admin service settings. This action does not repair the identified failure. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. Instead, repair the listener and firewall reachability then test administrator login against each PSN. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

B:

Assume a RADIUS UDP 1812 test proves TACACS TCP 49 is reachable. This action does not repair the identified failure. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. Instead, repair the listener and firewall reachability then test administrator login against each PSN. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

D:

Disable the device admin service on every target PSN. This action does not repair the identified failure. A healthy RADIUS UDP exchange does not establish TCP TACACS+ availability. Instead, repair the listener and firewall reachability then test administrator login against each PSN. For the specific situation, a TACACS+ connection succeeds to one PSN but fails to another because the device-admin service is disabled.

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