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Cisco 300-715 Practice Test 23

Question 220

An operations team modifies the identity store to repair an access rejection that actually comes from the selected authorization profile. The observed failure is: Fixing an identity store cannot by itself repair an incorrect VLAN or dACL authorization match. Which remediation resolves the underlying fault while maintaining policy?

  1. The supported recovery is to use only a policy rule display name without checking matched conditions.
  2. The supported recovery is to assume Access-Accept always means unlimited campus network connectivity.
  3. The supported recovery is to remove user password checks because the assigned ACL blocks an app.
  4. The supported recovery is to correct the authorization rule or result and verify live RADIUS authorization attributes.

Explanation

Correct Answer

D:

This restores the intended operational behavior for Distinguishing authentication versus authorization policies. Identity verification determines who or what authenticated while authorization determines permitted access.

Incorrect Answers

A:

Use only a policy rule display name without checking matched conditions. This action does not repair the identified failure. Fixing an identity store cannot by itself repair an incorrect VLAN or dACL authorization match. Instead, correct the authorization rule or result and verify live RADIUS authorization attributes. For the specific situation, an operations team modifies the identity store to repair an access rejection that actually comes from the selected authorization profile.

B:

Assume Access-Accept always means unlimited campus network connectivity. This action does not repair the identified failure. Fixing an identity store cannot by itself repair an incorrect VLAN or dACL authorization match. Instead, correct the authorization rule or result and verify live RADIUS authorization attributes. For the specific situation, an operations team modifies the identity store to repair an access rejection that actually comes from the selected authorization profile.

C:

Remove user password checks because the assigned ACL blocks an app. This action does not repair the identified failure. Fixing an identity store cannot by itself repair an incorrect VLAN or dACL authorization match. Instead, correct the authorization rule or result and verify live RADIUS authorization attributes. For the specific situation, an operations team modifies the identity store to repair an access rejection that actually comes from the selected authorization profile.

Question 221

A wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret. Which administrator action is appropriate for this ISE access-control problem?

  1. Register only a friendly controller name while its RADIUS source IP is different.
  2. Use the user's password as the WLC-to-ISE RADIUS shared secret.
  3. Register the correct WLC RADIUS client IP and shared secret with supported server and controller settings.
  4. Disable all wireless authentication when one controller address changes.

Explanation

Correct Answer

C:

RADIUS authentication requires the actual network access device to be recognized and share the expected secret. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

Incorrect Answers

A:

This does not implement the required control for WLC to ISE RADIUS shared secret and source address. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret.

B:

Use the user's password as the WLC-to-ISE RADIUS shared secret. This alternative overlooks a required prerequisite or targets the wrong function. RADIUS authentication requires the actual network access device to be recognized and share the expected secret. The relevant evidence is wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

D:

A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

Question 222

A wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret. Which collected records establish that the ISE decision actually took effect?

  1. WLC RADIUS source address, ISE network device entry, shared-secret validation and live log.
  2. A successful ICMP echo that does not test the required identity-service workflow.
  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

A:

RADIUS authentication requires the actual network access device to be recognized and share the expected secret. These observations directly establish the result of WLC to ISE RADIUS shared secret and source address for the described endpoint or network device.

Incorrect Answers

B:

This observation cannot verify WLC to ISE RADIUS shared secret and source address. RADIUS authentication requires the actual network access device to be recognized and share the expected secret.

C:

This observation cannot verify WLC to ISE RADIUS shared secret and source address. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

D:

This observation cannot verify WLC to ISE RADIUS shared secret and source address. Check wLC RADIUS source address, ISE network device entry, shared-secret validation and live log.

Question 223

A wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret. 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. A MAC address is a cryptographic proof of endpoint device ownership.
  4. RADIUS authentication requires the actual network access device to be recognized and share the expected secret.

Explanation

Correct Answer

D:

This is the governing technical behavior for WLC to ISE RADIUS shared secret and source address. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

Incorrect Answers

A:

All Cisco ISE administration and policy personas perform exactly the same service. This generalization is not valid for WLC to ISE RADIUS shared secret and source address. Instead rADIUS authentication requires the actual network access device to be recognized and share the expected secret. Verify the actual state using wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

B:

A captive portal page automatically changes network authorization on every active NAD session without signaling. This generalization is not valid for WLC to ISE RADIUS shared secret and source address. Instead rADIUS authentication requires the actual network access device to be recognized and share the expected secret. Verify the actual state using wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

C:

A MAC address is a cryptographic proof of endpoint device ownership. This generalization is not valid for WLC to ISE RADIUS shared secret and source address. Instead rADIUS authentication requires the actual network access device to be recognized and share the expected secret. Verify the actual state using wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

Question 224

A wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret. An operator proposes the following incorrect shortcut: Register only a friendly controller name while its RADIUS source IP is different. What specific security or operational failure should be anticipated?

  1. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret.
  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 rADIUS authentication requires the actual network access device to be recognized and share the expected secret. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

Incorrect Answers

B:

This unrelated assertion does not explain the WLC to ISE RADIUS shared secret and source address problem. The relevant risk is that a valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret.

C:

This unrelated assertion does not explain the WLC to ISE RADIUS shared secret and source address problem. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

D:

This unrelated assertion does not explain the WLC to ISE RADIUS shared secret and source address problem. Check wLC RADIUS source address, ISE network device entry, shared-secret validation and live log.

Question 225

A wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret. The observed failure is: A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Which remediation resolves the underlying fault while maintaining policy?

  1. Correct NAD registration and source interface then verify one wireless EAP exchange.
  2. Use the user's password as the WLC-to-ISE RADIUS shared secret.
  3. Disable all wireless authentication when one controller address changes.
  4. Register only a friendly controller name while its RADIUS source IP is different.

Explanation

Correct Answer

A:

RADIUS authentication requires the actual network access device to be recognized and share the expected secret. This restores the intended operational behavior for WLC to ISE RADIUS shared secret and source address.

Incorrect Answers

B:

Use the user's password as the WLC-to-ISE RADIUS shared secret. This action does not repair the identified failure. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Instead, correct NAD registration and source interface then verify one wireless EAP exchange. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

C:

Disable all wireless authentication when one controller address changes. This action does not repair the identified failure. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Instead, correct NAD registration and source interface then verify one wireless EAP exchange. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

D:

Register only a friendly controller name while its RADIUS source IP is different. This action does not repair the identified failure. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Instead, correct NAD registration and source interface then verify one wireless EAP exchange. For the specific situation, a wireless LAN controller sends 802.1X requests but ISE reports unknown network device or invalid shared secret.

Question 226

A controller uses a different RADIUS source interface after failover and one PSN stops recognizing it. What action addresses this authenticated network-access scenario?

  1. In this case, register the correct WLC RADIUS client IP and shared secret with supported server and controller settings.
  2. In this case, use the user's password as the WLC-to-ISE RADIUS shared secret.
  3. In this case, disable all wireless authentication when one controller address changes.
  4. In this case, register only a friendly controller name while its RADIUS source IP is different.

Explanation

Correct Answer

A:

RADIUS authentication requires the actual network access device to be recognized and share the expected secret. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

Incorrect Answers

B:

Use the user's password as the WLC-to-ISE RADIUS shared secret. This alternative overlooks a required prerequisite or targets the wrong function. RADIUS authentication requires the actual network access device to be recognized and share the expected secret. The relevant evidence is wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

C:

A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Instead the intended policy action is register the correct WLC RADIUS client IP and shared secret with supported server and controller settings.

D:

This does not implement the required control for WLC to ISE RADIUS shared secret and source address. Use the supported approach: register the correct WLC RADIUS client IP and shared secret with supported server and controller settings.

Question 227

A controller uses a different RADIUS source interface after failover and one PSN stops recognizing it. What verification should the engineer use before declaring success?

  1. The supporting evidence is wLC RADIUS source address, ISE network device entry, shared-secret validation and live log.
  2. The supporting evidence is a device hostname alone without the policy result or authenticated source.
  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

A:

RADIUS authentication requires the actual network access device to be recognized and share the expected secret. WLC RADIUS source address, ISE network device entry, shared-secret validation and live log.

Incorrect Answers

B:

This observation cannot verify WLC to ISE RADIUS shared secret and source address. A device hostname alone without the policy result or authenticated source.

C:

This observation cannot verify WLC to ISE RADIUS shared secret and source address. A successful ICMP echo that does not test the required identity-service workflow.

D:

This observation cannot verify WLC to ISE RADIUS shared secret and source address. A browser theme label without a current authorization trace.

Question 228

A controller uses a different RADIUS source interface after failover and one PSN stops recognizing it. 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 rADIUS authentication requires the actual network access device to be recognized and share the expected secret.

Explanation

Correct Answer

D:

This is the governing technical behavior for WLC to ISE RADIUS shared secret and source address. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

Incorrect Answers

A:

A MAC address is a cryptographic proof of endpoint device ownership. This generalization is not valid for WLC to ISE RADIUS shared secret and source address. Instead rADIUS authentication requires the actual network access device to be recognized and share the expected secret. Verify the actual state using wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

B:

All Cisco ISE administration and policy personas perform exactly the same service. This generalization is not valid for WLC to ISE RADIUS shared secret and source address. Instead rADIUS authentication requires the actual network access device to be recognized and share the expected secret. Verify the actual state using wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

C:

A policy display name alone is the complete source of enforcement state. This generalization is not valid for WLC to ISE RADIUS shared secret and source address. Instead rADIUS authentication requires the actual network access device to be recognized and share the expected secret. Verify the actual state using wLC RADIUS source address, ISE network device entry, shared-secret validation and live log. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

Question 229

A controller uses a different RADIUS source interface after failover and one PSN stops recognizing it. An operator proposes the following incorrect shortcut: Register only a friendly controller name while its RADIUS source IP is different. 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 a valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret.
  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 rADIUS authentication requires the actual network access device to be recognized and share the expected secret. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

Incorrect Answers

A:

This unrelated assertion does not explain the WLC to ISE RADIUS shared secret and source address problem. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

C:

This unrelated assertion does not explain the WLC to ISE RADIUS shared secret and source address problem. A correctly recorded TACACS command audit caused the preceding security violation.

D:

This unrelated assertion does not explain the WLC to ISE RADIUS shared secret and source address problem. Inspecting a correct endpoint certificate generated the original directory outage.

Question 230

A controller uses a different RADIUS source interface after failover and one PSN stops recognizing it. The observed failure is: A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. What recovery action restores supported network-access behavior?

  1. The supported recovery is to disable all wireless authentication when one controller address changes.
  2. The supported recovery is to register only a friendly controller name while its RADIUS source IP is different.
  3. The supported recovery is to correct NAD registration and source interface then verify one wireless EAP exchange.
  4. The supported recovery is to use the user's password as the WLC-to-ISE RADIUS shared secret.

Explanation

Correct Answer

C:

RADIUS authentication requires the actual network access device to be recognized and share the expected secret. Recheck wLC RADIUS source address, ISE network device entry, shared-secret validation and live log.

Incorrect Answers

A:

Disable all wireless authentication when one controller address changes. This action does not repair the identified failure. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Instead, correct NAD registration and source interface then verify one wireless EAP exchange. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

B:

Register only a friendly controller name while its RADIUS source IP is different. This action does not repair the identified failure. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Instead, correct NAD registration and source interface then verify one wireless EAP exchange. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

D:

Use the user's password as the WLC-to-ISE RADIUS shared secret. This action does not repair the identified failure. A valid endpoint username cannot compensate for an unknown NAD or mismatched RADIUS secret. Instead, correct NAD registration and source interface then verify one wireless EAP exchange. For the specific situation, a controller uses a different RADIUS source interface after failover and one PSN stops recognizing it.

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