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Cisco 300-715 Practice Test 35

Question 340

An unknown MAC authenticates against a permissive endpoint group that was meant only for trusted lab devices. The observed failure is: A broad catch-all MAB permit can let arbitrary spoofed MACs reach production services. Which remediation resolves the underlying fault while maintaining policy?

  1. The supported recovery is to correct endpoint identity or identity-group rules and test registered and unregistered devices.
  2. The supported recovery is to disable all network access logs to hide MAC mismatches.
  3. The supported recovery is to treat any syntactically valid MAC as a managed asset.
  4. The supported recovery is to put all unknown MACs into the privileged printer group automatically.

Explanation

Correct Answer

A:

MAB matching requires consistent device identifiers and deliberate treatment of previously unknown endpoints. For the specific situation, an unknown MAC authenticates against a permissive endpoint group that was meant only for trusted lab devices.

Incorrect Answers

B:

Disable all network access logs to hide MAC mismatches. This action does not repair the identified failure. A broad catch-all MAB permit can let arbitrary spoofed MACs reach production services. Instead, correct endpoint identity or identity-group rules and test registered and unregistered devices. For the specific situation, an unknown MAC authenticates against a permissive endpoint group that was meant only for trusted lab devices.

C:

Treat any syntactically valid MAC as a managed asset. This action does not repair the identified failure. A broad catch-all MAB permit can let arbitrary spoofed MACs reach production services. Instead, correct endpoint identity or identity-group rules and test registered and unregistered devices. For the specific situation, an unknown MAC authenticates against a permissive endpoint group that was meant only for trusted lab devices.

D:

Put all unknown MACs into the privileged printer group automatically. This action does not repair the identified failure. A broad catch-all MAB permit can let arbitrary spoofed MACs reach production services. Instead, correct endpoint identity or identity-group rules and test registered and unregistered devices. For the specific situation, an unknown MAC authenticates against a permissive endpoint group that was meant only for trusted lab devices.

Question 341

A protected campus requires role-based classification while two endpoints in different VLANs share the same business role. Which administrator action is appropriate for this ISE access-control problem?

  1. Assume placing users in the same VLAN guarantees identical TrustSec identity tag.
  2. Use only a device hostname label as a transmitted SGT.
  3. Disable role-based authorization because every client has an IP address.
  4. Assign a supported SGT classification using ISE authorization and verify propagation on capable network devices.

Explanation

Correct Answer

D:

TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

Incorrect Answers

A:

This does not implement the required control for Security Group Tag classification and assignment. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles.

B:

That option would use only a device hostname label as a transmitted SGT, but it addresses a different concern. TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement.

C:

Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

Question 342

A protected campus requires role-based classification while two endpoints in different VLANs share the same business role. Which collected records establish that the ISE decision actually took effect?

  1. A successful ICMP echo that does not test the required identity-service workflow.
  2. ISE selected SGT, switch session tag, classification source, inline or SXP propagation and traffic policy.
  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:

TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. These observations directly establish the result of Security Group Tag classification and assignment for the described endpoint or network device.

Incorrect Answers

A:

This observation cannot verify Security Group Tag classification and assignment. TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement.

C:

This observation cannot verify Security Group Tag classification and assignment. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

D:

This observation cannot verify Security Group Tag classification and assignment. Check iSE selected SGT, switch session tag, classification source, inline or SXP propagation and traffic policy.

Question 343

A protected campus requires role-based classification while two endpoints in different VLANs share the same business role. 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. TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement.
  4. A MAC address is a cryptographic proof of endpoint device ownership.

Explanation

Correct Answer

C:

The supported implementation is to assign a supported SGT classification using ISE authorization and verify propagation on capable network devices. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

Incorrect Answers

A:

This generalization is not valid for Security Group Tag classification and assignment. Instead trustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement.

B:

This generalization is not valid for Security Group Tag classification and assignment. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

D:

This generalization is not valid for Security Group Tag classification and assignment. Verify the actual state using iSE selected SGT, switch session tag, classification source, inline or SXP propagation and traffic policy.

Question 344

A protected campus requires role-based classification while two endpoints in different VLANs share the same business role. An operator proposes the following incorrect shortcut: Assume placing users in the same VLAN guarantees identical TrustSec identity tag. What specific security or operational failure should be anticipated?

  1. Accurate device accounting automatically created every earlier failed EAP exchange.
  2. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles.
  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

B:

The shortcut is unsuitable because trustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

Incorrect Answers

A:

This unrelated assertion does not explain the Security Group Tag classification and assignment problem. The relevant risk is that omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles.

C:

This unrelated assertion does not explain the Security Group Tag classification and assignment problem. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

D:

This unrelated assertion does not explain the Security Group Tag classification and assignment problem. Check iSE selected SGT, switch session tag, classification source, inline or SXP propagation and traffic policy.

Question 345

A protected campus requires role-based classification while two endpoints in different VLANs share the same business role. The observed failure is: Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Which remediation resolves the underlying fault while maintaining policy?

  1. Correct the ISE SGT result and propagation and validate a tagged session and policy match.
  2. Use only a device hostname label as a transmitted SGT.
  3. Disable role-based authorization because every client has an IP address.
  4. Assume placing users in the same VLAN guarantees identical TrustSec identity tag.

Explanation

Correct Answer

A:

TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. This restores the intended operational behavior for Security Group Tag classification and assignment.

Incorrect Answers

B:

Use only a device hostname label as a transmitted SGT. This action does not repair the identified failure. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Instead, correct the ISE SGT result and propagation and validate a tagged session and policy match. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

C:

Disable role-based authorization because every client has an IP address. This action does not repair the identified failure. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Instead, correct the ISE SGT result and propagation and validate a tagged session and policy match. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

D:

Assume placing users in the same VLAN guarantees identical TrustSec identity tag. This action does not repair the identified failure. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Instead, correct the ISE SGT result and propagation and validate a tagged session and policy match. For the specific situation, a protected campus requires role-based classification while two endpoints in different VLANs share the same business role.

Question 346

A policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched. What action addresses this authenticated network-access scenario?

  1. In this case, use only a device hostname label as a transmitted SGT.
  2. In this case, disable role-based authorization because every client has an IP address.
  3. In this case, assume placing users in the same VLAN guarantees identical TrustSec identity tag.
  4. In this case, assign a supported SGT classification using ISE authorization and verify propagation on capable network devices.

Explanation

Correct Answer

D:

TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. This is the targeted action for Security Group Tag classification and assignment.

Incorrect Answers

A:

Use only a device hostname label as a transmitted SGT. This alternative overlooks a required prerequisite or targets the wrong function. TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. The relevant evidence is iSE selected SGT, switch session tag, classification source, inline or SXP propagation and traffic policy. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

B:

Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Instead the intended policy action is assign a supported SGT classification using ISE authorization and verify propagation on capable network devices.

C:

This does not implement the required control for Security Group Tag classification and assignment. Use the supported approach: assign a supported SGT classification using ISE authorization and verify propagation on capable network devices.

Question 347

A policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched. What verification should the engineer use before declaring success?

  1. The supporting evidence is a device hostname alone without the policy result or authenticated source.
  2. The supporting evidence is a successful ICMP echo that does not test the required identity-service workflow.
  3. The supporting evidence is iSE selected SGT, switch session tag, classification source, inline or SXP propagation and traffic policy.
  4. The supporting evidence is a browser theme label without a current authorization trace.

Explanation

Correct Answer

C:

TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

Incorrect Answers

A:

This observation cannot verify Security Group Tag classification and assignment. A device hostname alone without the policy result or authenticated source.

B:

This observation cannot verify Security Group Tag classification and assignment. A successful ICMP echo that does not test the required identity-service workflow.

D:

This observation cannot verify Security Group Tag classification and assignment. A browser theme label without a current authorization trace.

Question 348

A policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched. Which underlying service behavior supports the proposed solution?

  1. The governing principle is that trustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement.
  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 assign a supported SGT classification using ISE authorization and verify propagation on capable network devices. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

Incorrect Answers

B:

This generalization is not valid for Security Group Tag classification and assignment. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

C:

This generalization is not valid for Security Group Tag classification and assignment. All Cisco ISE administration and policy personas perform exactly the same service.

D:

This generalization is not valid for Security Group Tag classification and assignment. A policy display name alone is the complete source of enforcement state.

Question 349

A policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched. An operator proposes the following incorrect shortcut: Assume placing users in the same VLAN guarantees identical TrustSec identity tag. 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 omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles.
  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 trustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

Incorrect Answers

A:

This unrelated assertion does not explain the Security Group Tag classification and assignment problem. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

C:

This unrelated assertion does not explain the Security Group Tag classification and assignment problem. A correctly recorded TACACS command audit caused the preceding security violation.

D:

This unrelated assertion does not explain the Security Group Tag classification and assignment problem. Inspecting a correct endpoint certificate generated the original directory outage.

Question 350

A policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched. The observed failure is: Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. What recovery action restores supported network-access behavior?

  1. The supported recovery is to disable role-based authorization because every client has an IP address.
  2. The supported recovery is to correct the ISE SGT result and propagation and validate a tagged session and policy match.
  3. The supported recovery is to assume placing users in the same VLAN guarantees identical TrustSec identity tag.
  4. The supported recovery is to use only a device hostname label as a transmitted SGT.

Explanation

Correct Answer

B:

TrustSec security groups classify traffic by identity or role rather than relying only on IP subnet placement. Recheck iSE selected SGT, switch session tag, classification source, inline or SXP propagation and traffic policy.

Incorrect Answers

A:

Disable role-based authorization because every client has an IP address. This action does not repair the identified failure. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Instead, correct the ISE SGT result and propagation and validate a tagged session and policy match. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

C:

Assume placing users in the same VLAN guarantees identical TrustSec identity tag. This action does not repair the identified failure. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Instead, correct the ISE SGT result and propagation and validate a tagged session and policy match. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

D:

Use only a device hostname label as a transmitted SGT. This action does not repair the identified failure. Omitting SGT assignment can prevent downstream SGACL policy from distinguishing trusted roles. Instead, correct the ISE SGT result and propagation and validate a tagged session and policy match. For the specific situation, a policy returns no Security Group Tag for an authenticated user although the intended TrustSec policy set is matched.

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