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Cisco 300-715 Practice Test 16

Question 150

An LDAP identity source works over cleartext but must meet a secure directory transport policy. The observed failure is: A generic TCP connection to the LDAP port does not prove search authentication or TLS trust is correct. What recovery action restores supported network-access behavior?

  1. The supported recovery is to treat an unrelated AD OU name as a complete LDAP search filter.
  2. The supported recovery is to repair the LDAP bind and trust settings then verify user search and permitted access.
  3. The supported recovery is to store a shared privileged bind credential in a public guest portal.
  4. The supported recovery is to ignore server identity validation when enabling secure LDAP.

Explanation

Correct Answer

B:

LDAP integration depends on a valid service bind and supported secure connection to the directory. Recheck lDAP bind result, DN mapping, server certificate, query logs and identity lookup test.

Incorrect Answers

A:

Treat an unrelated AD OU name as a complete LDAP search filter. This action does not repair the identified failure. A generic TCP connection to the LDAP port does not prove search authentication or TLS trust is correct. Instead, repair the LDAP bind and trust settings then verify user search and permitted access. For the specific situation, an LDAP identity source works over cleartext but must meet a secure directory transport policy.

C:

Store a shared privileged bind credential in a public guest portal. This action does not repair the identified failure. A generic TCP connection to the LDAP port does not prove search authentication or TLS trust is correct. Instead, repair the LDAP bind and trust settings then verify user search and permitted access. For the specific situation, an LDAP identity source works over cleartext but must meet a secure directory transport policy.

D:

Ignore server identity validation when enabling secure LDAP. This action does not repair the identified failure. A generic TCP connection to the LDAP port does not prove search authentication or TLS trust is correct. Instead, repair the LDAP bind and trust settings then verify user search and permitted access. For the specific situation, an LDAP identity source works over cleartext but must meet a secure directory transport policy.

Question 151

An AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts. What action addresses this authenticated network-access scenario?

  1. Design supported identity source sequence ordering and failure handling consistent with the policy's user types.
  2. Make every access request bypass password checks on AD timeout.
  3. Use a guest user store for all privileged machine identities automatically.
  4. Treat a domain controller ping failure as proof every directory account is invalid.

Explanation

Correct Answer

A:

Verify the effect through selected policy rule, identity store lookup sequence, AD availability and audit result. This is the targeted action for Identity source outage versus authentication fallback.

Incorrect Answers

B:

Blind fallback to a permissive local database can grant access during a directory outage. This does not implement the required control for Identity source outage versus authentication fallback.

C:

Identity source selection changes the authentication path and must not silently broaden allowed identities. This alternative overlooks a required prerequisite or targets the wrong function.

D:

Blind fallback to a permissive local database can grant access during a directory outage. Instead the intended policy action is design supported identity source sequence ordering and failure handling consistent with the policy's user types.

Question 152

An AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts. What verification should the engineer use before declaring success?

  1. A switch interface description without any live AAA request or response.
  2. An old diagram with no RADIUS, TACACS+ or endpoint-session evidence.
  3. Selected policy rule, identity store lookup sequence, AD availability and audit result.
  4. A current login screenshot from a completely unrelated ISE deployment.

Explanation

Correct Answer

C:

These observations directly establish the result of Identity source outage versus authentication fallback for the described endpoint or network device. Identity source selection changes the authentication path and must not silently broaden allowed identities.

Incorrect Answers

A:

A switch interface description without any live AAA request or response. This observation cannot verify Identity source outage versus authentication fallback. Check selected policy rule, identity store lookup sequence, AD availability and audit result. Identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

B:

An old diagram with no RADIUS, TACACS+ or endpoint-session evidence. This observation cannot verify Identity source outage versus authentication fallback. Check selected policy rule, identity store lookup sequence, AD availability and audit result. Identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

D:

A current login screenshot from a completely unrelated ISE deployment. This observation cannot verify Identity source outage versus authentication fallback. Check selected policy rule, identity store lookup sequence, AD availability and audit result. Identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

Question 153

An AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts. Which underlying service behavior supports the proposed solution?

  1. A captive portal page automatically changes network authorization on every active NAD session without signaling.
  2. A successful switch port link signal always proves the device identity and policy were verified.
  3. Identity source selection changes the authentication path and must not silently broaden allowed identities.
  4. Every RADIUS Access-Accept grants unrestricted access to all applications.

Explanation

Correct Answer

C:

The supported implementation is to design supported identity source sequence ordering and failure handling consistent with the policy's user types. This is the governing technical behavior for Identity source outage versus authentication fallback.

Incorrect Answers

A:

A captive portal page automatically changes network authorization on every active NAD session without signaling. This generalization is not valid for Identity source outage versus authentication fallback. Instead identity source selection changes the authentication path and must not silently broaden allowed identities. Verify the actual state using selected policy rule, identity store lookup sequence, AD availability and audit result. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

B:

A successful switch port link signal always proves the device identity and policy were verified. This generalization is not valid for Identity source outage versus authentication fallback. Instead identity source selection changes the authentication path and must not silently broaden allowed identities. Verify the actual state using selected policy rule, identity store lookup sequence, AD availability and audit result. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

D:

Every RADIUS Access-Accept grants unrestricted access to all applications. This generalization is not valid for Identity source outage versus authentication fallback. Instead identity source selection changes the authentication path and must not silently broaden allowed identities. Verify the actual state using selected policy rule, identity store lookup sequence, AD availability and audit result. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

Question 154

An AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts. An operator proposes the following incorrect shortcut: Make every access request bypass password checks on AD timeout. Why does that proposed shortcut not satisfy the requirement?

  1. Blind fallback to a permissive local database can grant access during a directory outage.
  2. Reading the authentication event report caused the original network access outage.
  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

A:

The shortcut is unsuitable because identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

Incorrect Answers

B:

This unrelated assertion does not explain the Identity source outage versus authentication fallback problem. The relevant risk is that blind fallback to a permissive local database can grant access during a directory outage.

C:

This unrelated assertion does not explain the Identity source outage versus authentication fallback problem. Check selected policy rule, identity store lookup sequence, AD availability and audit result.

D:

This unrelated assertion does not explain the Identity source outage versus authentication fallback problem. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

Question 155

An AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts. The observed failure is: Blind fallback to a permissive local database can grant access during a directory outage. What recovery action restores supported network-access behavior?

  1. Use a guest user store for all privileged machine identities automatically.
  2. Treat a domain controller ping failure as proof every directory account is invalid.
  3. Make every access request bypass password checks on AD timeout.
  4. Correct source sequence policy and test both normal AD lookup and controller unavailability.

Explanation

Correct Answer

D:

This restores the intended operational behavior for Identity source outage versus authentication fallback. Identity source selection changes the authentication path and must not silently broaden allowed identities.

Incorrect Answers

A:

Use a guest user store for all privileged machine identities automatically. This action does not repair the identified failure. Blind fallback to a permissive local database can grant access during a directory outage. Instead, correct source sequence policy and test both normal AD lookup and controller unavailability. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

B:

Treat a domain controller ping failure as proof every directory account is invalid. This action does not repair the identified failure. Blind fallback to a permissive local database can grant access during a directory outage. Instead, correct source sequence policy and test both normal AD lookup and controller unavailability. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

C:

Make every access request bypass password checks on AD timeout. This action does not repair the identified failure. Blind fallback to a permissive local database can grant access during a directory outage. Instead, correct source sequence policy and test both normal AD lookup and controller unavailability. For the specific situation, an AD controller is unavailable and ISE sends matching 802.1X users to an identity source that contains no such accounts.

Question 156

An identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope. What is the BEST supported ISE implementation or corrective action?

  1. In this case, design supported identity source sequence ordering and failure handling consistent with the policy's user types.
  2. In this case, use a guest user store for all privileged machine identities automatically.
  3. In this case, treat a domain controller ping failure as proof every directory account is invalid.
  4. In this case, make every access request bypass password checks on AD timeout.

Explanation

Correct Answer

A:

Verify the effect through selected policy rule, identity store lookup sequence, AD availability and audit result. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

Incorrect Answers

B:

Identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

C:

Blind fallback to a permissive local database can grant access during a directory outage. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

D:

Blind fallback to a permissive local database can grant access during a directory outage. Use the supported approach: design supported identity source sequence ordering and failure handling consistent with the policy's user types.

Question 157

An identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope. Which evidence BEST verifies the intended operational outcome?

  1. The supporting evidence is a successful ICMP echo that does not test the required identity-service workflow.
  2. The supporting evidence is selected policy rule, identity store lookup sequence, AD availability and audit result.
  3. The supporting evidence is a switch interface description without any live AAA request or response.
  4. The supporting evidence is an old diagram with no RADIUS, TACACS+ or endpoint-session evidence.

Explanation

Correct Answer

B:

These observations directly establish the result of Identity source outage versus authentication fallback for the described endpoint or network device. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

Incorrect Answers

A:

A successful ICMP echo that does not test the required identity-service workflow. This observation cannot verify Identity source outage versus authentication fallback. Check selected policy rule, identity store lookup sequence, AD availability and audit result. Identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

C:

A switch interface description without any live AAA request or response. This observation cannot verify Identity source outage versus authentication fallback. Check selected policy rule, identity store lookup sequence, AD availability and audit result. Identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

D:

An old diagram with no RADIUS, TACACS+ or endpoint-session evidence. This observation cannot verify Identity source outage versus authentication fallback. Check selected policy rule, identity store lookup sequence, AD availability and audit result. Identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

Question 158

An identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope. Which technical principle BEST explains the required decision?

  1. The governing principle is that every RADIUS Access-Accept grants unrestricted access to all applications.
  2. The governing principle is that a captive portal page automatically changes network authorization on every active NAD session without signaling.
  3. The governing principle is that identity source selection changes the authentication path and must not silently broaden allowed identities.
  4. The governing principle is that a MAC address is a cryptographic proof of endpoint device ownership.

Explanation

Correct Answer

C:

The supported implementation is to design supported identity source sequence ordering and failure handling consistent with the policy's user types. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

Incorrect Answers

A:

Every RADIUS Access-Accept grants unrestricted access to all applications. This generalization is not valid for Identity source outage versus authentication fallback. Instead identity source selection changes the authentication path and must not silently broaden allowed identities. Verify the actual state using selected policy rule, identity store lookup sequence, AD availability and audit result. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

B:

A captive portal page automatically changes network authorization on every active NAD session without signaling. This generalization is not valid for Identity source outage versus authentication fallback. Instead identity source selection changes the authentication path and must not silently broaden allowed identities. Verify the actual state using selected policy rule, identity store lookup sequence, AD availability and audit result. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

D:

A MAC address is a cryptographic proof of endpoint device ownership. This generalization is not valid for Identity source outage versus authentication fallback. Instead identity source selection changes the authentication path and must not silently broaden allowed identities. Verify the actual state using selected policy rule, identity store lookup sequence, AD availability and audit result. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

Question 159

An identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope. An operator proposes the following incorrect shortcut: Make every access request bypass password checks on AD timeout. What material risk or failure follows from that shortcut?

  1. The material consequence is that accurate device accounting automatically created every earlier failed EAP exchange.
  2. The material consequence is that blind fallback to a permissive local database can grant access during a directory outage.
  3. The material consequence is that inspecting a correct endpoint certificate generated the original directory outage.
  4. The material consequence is that the only result is an unrelated portal background color change.

Explanation

Correct Answer

B:

The shortcut is unsuitable because identity source selection changes the authentication path and must not silently broaden allowed identities. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

Incorrect Answers

A:

This unrelated assertion does not explain the Identity source outage versus authentication fallback problem. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

C:

This unrelated assertion does not explain the Identity source outage versus authentication fallback problem. Inspecting a correct endpoint certificate generated the original directory outage.

D:

This unrelated assertion does not explain the Identity source outage versus authentication fallback problem. The only result is an unrelated portal background color change.

Question 160

An identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope. The observed failure is: Blind fallback to a permissive local database can grant access during a directory outage. Which controlled recovery BEST restores the intended state?

  1. The supported recovery is to correct source sequence policy and test both normal AD lookup and controller unavailability.
  2. The supported recovery is to treat a domain controller ping failure as proof every directory account is invalid.
  3. The supported recovery is to make every access request bypass password checks on AD timeout.
  4. The supported recovery is to use a guest user store for all privileged machine identities automatically.

Explanation

Correct Answer

A:

This restores the intended operational behavior for Identity source outage versus authentication fallback. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

Incorrect Answers

B:

Treat a domain controller ping failure as proof every directory account is invalid. This action does not repair the identified failure. Blind fallback to a permissive local database can grant access during a directory outage. Instead, correct source sequence policy and test both normal AD lookup and controller unavailability. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

C:

Make every access request bypass password checks on AD timeout. This action does not repair the identified failure. Blind fallback to a permissive local database can grant access during a directory outage. Instead, correct source sequence policy and test both normal AD lookup and controller unavailability. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

D:

Use a guest user store for all privileged machine identities automatically. This action does not repair the identified failure. Blind fallback to a permissive local database can grant access during a directory outage. Instead, correct source sequence policy and test both normal AD lookup and controller unavailability. For the specific situation, an identity source sequence has several options but a local fallback unintentionally authenticates accounts beyond intended scope.

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