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Cisco 300-715 Practice Test 84

Question 830

An employee replaces a lost phone but the portal refuses enrollment because the device limit includes the old record. The observed failure is: Ignoring stale registrations can either exhaust legitimate quota or leave uncontrolled device inventory. What recovery action restores supported network-access behavior?

  1. The supported recovery is to assume the switch session table is the definitive My Devices ownership inventory.
  2. The supported recovery is to set every employee's device limit to unlimited without security approval.
  3. The supported recovery is to delete the global user account to free one device registration slot.
  4. The supported recovery is to adjust ownership records and re-enroll within the approved limit after removing obsolete devices.

Explanation

Correct Answer

D:

BYOD device quota governs how many personal endpoint registrations an employee may retain.

Incorrect Answers

A:

Assume the switch session table is the definitive My Devices ownership inventory. This action does not repair the identified failure. Ignoring stale registrations can either exhaust legitimate quota or leave uncontrolled device inventory. Instead, adjust ownership records and re-enroll within the approved limit after removing obsolete devices. For the specific situation, an employee replaces a lost phone but the portal refuses enrollment because the device limit includes the old record.

B:

Set every employee's device limit to unlimited without security approval. This action does not repair the identified failure. Ignoring stale registrations can either exhaust legitimate quota or leave uncontrolled device inventory. Instead, adjust ownership records and re-enroll within the approved limit after removing obsolete devices. For the specific situation, an employee replaces a lost phone but the portal refuses enrollment because the device limit includes the old record.

C:

Delete the global user account to free one device registration slot. This action does not repair the identified failure. Ignoring stale registrations can either exhaust legitimate quota or leave uncontrolled device inventory. Instead, adjust ownership records and re-enroll within the approved limit after removing obsolete devices. For the specific situation, an employee replaces a lost phone but the portal refuses enrollment because the device limit includes the old record.

Question 831

An ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding. What action addresses this authenticated network-access scenario?

  1. Publish the CA private key to employees to simplify issuance.
  2. Issue generic web-server-only certificates as every device client credential.
  3. Configure an authorized ISE internal CA or supported issuing chain and correct enrollment certificate template prerequisites.
  4. Skip issuer trust because the employee successfully logged into the portal.

Explanation

Correct Answer

C:

BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

Incorrect Answers

A:

This does not implement the required control for BYOD internal CA issuance prerequisites. An unusable or untrusted enrollment certificate can block the final strong-authentication connection.

B:

Issue generic web-server-only certificates as every device client credential. This alternative overlooks a required prerequisite or targets the wrong function. BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. The relevant evidence is internal CA service status, issued certificate profile, EKU, subject identity and enrollment error. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

D:

An unusable or untrusted enrollment certificate can block the final strong-authentication connection. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

Question 832

An ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding. What verification should the engineer use before declaring success?

  1. Internal CA service status, issued certificate profile, EKU, subject identity and enrollment error.
  2. A device hostname alone without the policy result or authenticated source.
  3. A current login screenshot from a completely unrelated ISE deployment.
  4. A browser theme label without a current authorization trace.

Explanation

Correct Answer

A:

These observations directly establish the result of BYOD internal CA issuance prerequisites for the described endpoint or network device. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

Incorrect Answers

B:

This observation cannot verify BYOD internal CA issuance prerequisites. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

C:

This observation cannot verify BYOD internal CA issuance prerequisites. Check internal CA service status, issued certificate profile, EKU, subject identity and enrollment error.

D:

This observation cannot verify BYOD internal CA issuance prerequisites. BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS.

Question 833

An ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding. Which underlying service behavior supports the proposed solution?

  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. A policy display name alone is the complete source of enforcement state.
  4. BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS.

Explanation

Correct Answer

D:

The supported implementation is to configure an authorized ISE internal CA or supported issuing chain and correct enrollment certificate template prerequisites. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

Incorrect Answers

A:

This generalization is not valid for BYOD internal CA issuance prerequisites. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

B:

This generalization is not valid for BYOD internal CA issuance prerequisites. Instead bYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS.

C:

This generalization is not valid for BYOD internal CA issuance prerequisites. Verify the actual state using internal CA service status, issued certificate profile, EKU, subject identity and enrollment error.

Question 834

An ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding. An operator proposes the following incorrect shortcut: Publish the CA private key to employees to simplify issuance. Why does that proposed shortcut not satisfy the requirement?

  1. An unusable or untrusted enrollment certificate can block the final strong-authentication connection.
  2. A justified least-privilege ACL caused every unrelated network authentication fault.
  3. A correctly recorded TACACS command audit caused the preceding security violation.
  4. Reading the authentication event report caused the original network access outage.

Explanation

Correct Answer

A:

The shortcut is unsuitable because bYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

Incorrect Answers

B:

This unrelated assertion does not explain the BYOD internal CA issuance prerequisites problem. The relevant risk is that an unusable or untrusted enrollment certificate can block the final strong-authentication connection.

C:

This unrelated assertion does not explain the BYOD internal CA issuance prerequisites problem. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

D:

This unrelated assertion does not explain the BYOD internal CA issuance prerequisites problem. Check internal CA service status, issued certificate profile, EKU, subject identity and enrollment error.

Question 835

An ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding. The observed failure is: An unusable or untrusted enrollment certificate can block the final strong-authentication connection. What recovery action restores supported network-access behavior?

  1. Repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login.
  2. Issue generic web-server-only certificates as every device client credential.
  3. Skip issuer trust because the employee successfully logged into the portal.
  4. Publish the CA private key to employees to simplify issuance.

Explanation

Correct Answer

A:

BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. This restores the intended operational behavior for BYOD internal CA issuance prerequisites.

Incorrect Answers

B:

Issue generic web-server-only certificates as every device client credential. This action does not repair the identified failure. An unusable or untrusted enrollment certificate can block the final strong-authentication connection. Instead, repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

C:

Skip issuer trust because the employee successfully logged into the portal. This action does not repair the identified failure. An unusable or untrusted enrollment certificate can block the final strong-authentication connection. Instead, repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

D:

Publish the CA private key to employees to simplify issuance. This action does not repair the identified failure. An unusable or untrusted enrollment certificate can block the final strong-authentication connection. Instead, repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login. For the specific situation, an ISE BYOD portal registers an employee but the internal CA certificate request fails during onboarding.

Question 836

A personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails. What is the BEST supported ISE implementation or corrective action?

  1. In this case, issue generic web-server-only certificates as every device client credential.
  2. In this case, skip issuer trust because the employee successfully logged into the portal.
  3. In this case, configure an authorized ISE internal CA or supported issuing chain and correct enrollment certificate template prerequisites.
  4. In this case, publish the CA private key to employees to simplify issuance.

Explanation

Correct Answer

C:

BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

Incorrect Answers

A:

Issue generic web-server-only certificates as every device client credential. This alternative overlooks a required prerequisite or targets the wrong function. BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. The relevant evidence is internal CA service status, issued certificate profile, EKU, subject identity and enrollment error. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

B:

An unusable or untrusted enrollment certificate can block the final strong-authentication connection. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

D:

This does not implement the required control for BYOD internal CA issuance prerequisites. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

Question 837

A personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails. Which evidence BEST verifies the intended operational outcome?

  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 internal CA service status, issued certificate profile, EKU, subject identity and enrollment error.
  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 BYOD internal CA issuance prerequisites for the described endpoint or network device. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

Incorrect Answers

A:

This observation cannot verify BYOD internal CA issuance prerequisites. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

B:

This observation cannot verify BYOD internal CA issuance prerequisites. A device hostname alone without the policy result or authenticated source.

D:

This observation cannot verify BYOD internal CA issuance prerequisites. A current login screenshot from a completely unrelated ISE deployment.

Question 838

A personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails. Which technical principle BEST explains the required decision?

  1. The governing principle is that a policy display name alone is the complete source of enforcement state.
  2. The governing principle is that a successful switch port link signal always proves the device identity and policy were verified.
  3. The governing principle is that every RADIUS Access-Accept grants unrestricted access to all applications.
  4. The governing principle is that bYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS.

Explanation

Correct Answer

D:

The supported implementation is to configure an authorized ISE internal CA or supported issuing chain and correct enrollment certificate template prerequisites. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

Incorrect Answers

A:

This generalization is not valid for BYOD internal CA issuance prerequisites. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

B:

This generalization is not valid for BYOD internal CA issuance prerequisites. A successful switch port link signal always proves the device identity and policy were verified.

C:

This generalization is not valid for BYOD internal CA issuance prerequisites. Every RADIUS Access-Accept grants unrestricted access to all applications.

Question 839

A personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails. An operator proposes the following incorrect shortcut: Publish the CA private key to employees to simplify issuance. What material risk or failure follows from that shortcut?

  1. The material consequence is that reading the authentication event report caused the original network access outage.
  2. The material consequence is that an unusable or untrusted enrollment certificate can block the final strong-authentication connection.
  3. The material consequence is that the only result is an unrelated portal background color change.
  4. The material consequence is that a correctly recorded TACACS command audit caused the preceding security violation.

Explanation

Correct Answer

B:

The shortcut is unsuitable because bYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

Incorrect Answers

A:

This unrelated assertion does not explain the BYOD internal CA issuance prerequisites problem. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

C:

This unrelated assertion does not explain the BYOD internal CA issuance prerequisites problem. The only result is an unrelated portal background color change.

D:

This unrelated assertion does not explain the BYOD internal CA issuance prerequisites problem. A correctly recorded TACACS command audit caused the preceding security violation.

Question 840

A personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails. The observed failure is: An unusable or untrusted enrollment certificate can block the final strong-authentication connection. Which controlled recovery BEST restores the intended state?

  1. The supported recovery is to skip issuer trust because the employee successfully logged into the portal.
  2. The supported recovery is to publish the CA private key to employees to simplify issuance.
  3. The supported recovery is to issue generic web-server-only certificates as every device client credential.
  4. The supported recovery is to repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login.

Explanation

Correct Answer

D:

BYOD client certificates require a working trusted issuing service and suitable identity attributes for EAP-TLS. Recheck internal CA service status, issued certificate profile, EKU, subject identity and enrollment error.

Incorrect Answers

A:

Skip issuer trust because the employee successfully logged into the portal. This action does not repair the identified failure. An unusable or untrusted enrollment certificate can block the final strong-authentication connection. Instead, repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

B:

Publish the CA private key to employees to simplify issuance. This action does not repair the identified failure. An unusable or untrusted enrollment certificate can block the final strong-authentication connection. Instead, repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

C:

Issue generic web-server-only certificates as every device client credential. This action does not repair the identified failure. An unusable or untrusted enrollment certificate can block the final strong-authentication connection. Instead, repair issuing prerequisites and reissue a suitable certificate then test EAP-TLS login. For the specific situation, a personal laptop receives a certificate with no suitable client authentication purpose and subsequent EAP-TLS fails.

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