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Cisco 300-715 Practice Test 7

Question 60

A rebuilt regional PSN fails secure communication with administration nodes after a DNS name change. The observed failure is: Bypassing certificate verification to attach a node can undermine deployment security and still fail registration. Which remediation resolves the underlying fault while maintaining policy?

  1. The supported recovery is to repair identity and trust prerequisites then register the node and check replication and PSN status.
  2. The supported recovery is to use self-signed certificates without distributing trust to the connecting nodes.
  3. The supported recovery is to disable HTTPS certificate validation throughout the deployment.
  4. The supported recovery is to rename only the GUI site label and claim node identity is corrected.

Explanation

Correct Answer

A:

Secure node registration requires consistent resolvable identities and trusted certificates across ISE roles. For the specific situation, a rebuilt regional PSN fails secure communication with administration nodes after a DNS name change.

Incorrect Answers

B:

Use self-signed certificates without distributing trust to the connecting nodes. This action does not repair the identified failure. Bypassing certificate verification to attach a node can undermine deployment security and still fail registration. Instead, repair identity and trust prerequisites then register the node and check replication and PSN status. For the specific situation, a rebuilt regional PSN fails secure communication with administration nodes after a DNS name change.

C:

Disable HTTPS certificate validation throughout the deployment. This action does not repair the identified failure. Bypassing certificate verification to attach a node can undermine deployment security and still fail registration. Instead, repair identity and trust prerequisites then register the node and check replication and PSN status. For the specific situation, a rebuilt regional PSN fails secure communication with administration nodes after a DNS name change.

D:

Rename only the GUI site label and claim node identity is corrected. This action does not repair the identified failure. Bypassing certificate verification to attach a node can undermine deployment security and still fail registration. Instead, repair identity and trust prerequisites then register the node and check replication and PSN status. For the specific situation, a rebuilt regional PSN fails secure communication with administration nodes after a DNS name change.

Question 61

A new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier. Which administrator action is appropriate for this ISE access-control problem?

  1. Assume the smallest virtual appliance fits every campus deployment.
  2. Select supported Cisco ISE VM resource reservations and deployment sizing appropriate to projected endpoint and session load.
  3. Overcommit all VM memory without measuring policy-service latency.
  4. Rename the virtual machine to improve RADIUS throughput.

Explanation

Correct Answer

B:

Verify the effect through allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

Incorrect Answers

A:

This does not implement the required control for ISE virtual machine CPU memory disk sizing. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts.

C:

Overcommit all VM memory without measuring policy-service latency. This alternative overlooks a required prerequisite or targets the wrong function. ISE policy service performance depends on supported VM capacity and adequate reserved resources. The relevant evidence is allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

D:

Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

Question 62

A new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier. Which collected records establish that the ISE decision actually took effect?

  1. Allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts.
  2. A switch interface description without any live AAA request or response.
  3. An old diagram with no RADIUS, TACACS+ or endpoint-session evidence.
  4. A current login screenshot from a completely unrelated ISE deployment.

Explanation

Correct Answer

A:

These observations directly establish the result of ISE virtual machine CPU memory disk sizing for the described endpoint or network device. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

Incorrect Answers

B:

This observation cannot verify ISE virtual machine CPU memory disk sizing. ISE policy service performance depends on supported VM capacity and adequate reserved resources.

C:

This observation cannot verify ISE virtual machine CPU memory disk sizing. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

D:

This observation cannot verify ISE virtual machine CPU memory disk sizing. Check allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts.

Question 63

A new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier. Which statement about the relevant technology is correct?

  1. ISE policy service performance depends on supported VM capacity and adequate reserved resources.
  2. A captive portal page automatically changes network authorization on every active NAD session without signaling.
  3. A successful switch port link signal always proves the device identity and policy were verified.
  4. Every RADIUS Access-Accept grants unrestricted access to all applications.

Explanation

Correct Answer

A:

The supported implementation is to select supported Cisco ISE VM resource reservations and deployment sizing appropriate to projected endpoint and session load. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

Incorrect Answers

B:

This generalization is not valid for ISE virtual machine CPU memory disk sizing. Instead iSE policy service performance depends on supported VM capacity and adequate reserved resources.

C:

This generalization is not valid for ISE virtual machine CPU memory disk sizing. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

D:

This generalization is not valid for ISE virtual machine CPU memory disk sizing. Verify the actual state using allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts.

Question 64

A new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier. An operator proposes the following incorrect shortcut: Assume the smallest virtual appliance fits every campus deployment. What specific security or operational failure should be anticipated?

  1. Reading the authentication event report caused the original network access outage.
  2. The only result is an unrelated portal background color change.
  3. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts.
  4. Accurate device accounting automatically created every earlier failed EAP exchange.

Explanation

Correct Answer

C:

The shortcut is unsuitable because iSE policy service performance depends on supported VM capacity and adequate reserved resources. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

Incorrect Answers

A:

This unrelated assertion does not explain the ISE virtual machine CPU memory disk sizing problem. The relevant risk is that increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts.

B:

This unrelated assertion does not explain the ISE virtual machine CPU memory disk sizing problem. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

D:

This unrelated assertion does not explain the ISE virtual machine CPU memory disk sizing problem. Check allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts.

Question 65

A new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier. The observed failure is: Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Which remediation resolves the underlying fault while maintaining policy?

  1. Overcommit all VM memory without measuring policy-service latency.
  2. Rename the virtual machine to improve RADIUS throughput.
  3. Assume the smallest virtual appliance fits every campus deployment.
  4. Resize or redeploy according to supported specifications and retest peak authentication throughput.

Explanation

Correct Answer

D:

Recheck allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

Incorrect Answers

A:

Overcommit all VM memory without measuring policy-service latency. This action does not repair the identified failure. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Instead, resize or redeploy according to supported specifications and retest peak authentication throughput. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

B:

Rename the virtual machine to improve RADIUS throughput. This action does not repair the identified failure. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Instead, resize or redeploy according to supported specifications and retest peak authentication throughput. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

C:

Assume the smallest virtual appliance fits every campus deployment. This action does not repair the identified failure. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Instead, resize or redeploy according to supported specifications and retest peak authentication throughput. For the specific situation, a new PSN becomes overloaded during shift changes because its VM was provisioned below the supported node sizing tier.

Question 66

A virtual ISE deployment receives more concurrent authentications than expected and queue latency rises. What action addresses this authenticated network-access scenario?

  1. In this case, overcommit all VM memory without measuring policy-service latency.
  2. In this case, rename the virtual machine to improve RADIUS throughput.
  3. In this case, assume the smallest virtual appliance fits every campus deployment.
  4. In this case, select supported Cisco ISE VM resource reservations and deployment sizing appropriate to projected endpoint and session load.

Explanation

Correct Answer

D:

Verify the effect through allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts. ISE policy service performance depends on supported VM capacity and adequate reserved resources.

Incorrect Answers

A:

Overcommit all VM memory without measuring policy-service latency. This alternative overlooks a required prerequisite or targets the wrong function. ISE policy service performance depends on supported VM capacity and adequate reserved resources. The relevant evidence is allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

B:

Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Instead the intended policy action is select supported Cisco ISE VM resource reservations and deployment sizing appropriate to projected endpoint and session load.

C:

This does not implement the required control for ISE virtual machine CPU memory disk sizing. Use the supported approach: select supported Cisco ISE VM resource reservations and deployment sizing appropriate to projected endpoint and session load.

Question 67

A virtual ISE deployment receives more concurrent authentications than expected and queue latency rises. What verification should the engineer use before declaring success?

  1. The supporting evidence is allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts.
  2. The supporting evidence is a successful ICMP echo that does not test the required identity-service workflow.
  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

A:

These observations directly establish the result of ISE virtual machine CPU memory disk sizing for the described endpoint or network device. ISE policy service performance depends on supported VM capacity and adequate reserved resources.

Incorrect Answers

B:

This observation cannot verify ISE virtual machine CPU memory disk sizing. A successful ICMP echo that does not test the required identity-service workflow.

C:

This observation cannot verify ISE virtual machine CPU memory disk sizing. A switch interface description without any live AAA request or response.

D:

This observation cannot verify ISE virtual machine CPU memory disk sizing. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

Question 68

A virtual ISE deployment receives more concurrent authentications than expected and queue latency rises. Which underlying service behavior supports the proposed solution?

  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 a MAC address is a cryptographic proof of endpoint device ownership.
  4. The governing principle is that iSE policy service performance depends on supported VM capacity and adequate reserved resources.

Explanation

Correct Answer

D:

The supported implementation is to select supported Cisco ISE VM resource reservations and deployment sizing appropriate to projected endpoint and session load. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

Incorrect Answers

A:

This generalization is not valid for ISE virtual machine CPU memory disk sizing. Every RADIUS Access-Accept grants unrestricted access to all applications.

B:

This generalization is not valid for ISE virtual machine CPU memory disk sizing. A captive portal page automatically changes network authorization on every active NAD session without signaling.

C:

This generalization is not valid for ISE virtual machine CPU memory disk sizing. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

Question 69

A virtual ISE deployment receives more concurrent authentications than expected and queue latency rises. An operator proposes the following incorrect shortcut: Assume the smallest virtual appliance fits every campus deployment. Why does that proposed shortcut not satisfy the requirement?

  1. The material consequence is that accurate device accounting automatically created every earlier failed EAP exchange.
  2. The material consequence is that increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts.
  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 iSE policy service performance depends on supported VM capacity and adequate reserved resources. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

Incorrect Answers

A:

This unrelated assertion does not explain the ISE virtual machine CPU memory disk sizing problem. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

C:

This unrelated assertion does not explain the ISE virtual machine CPU memory disk sizing problem. Inspecting a correct endpoint certificate generated the original directory outage.

D:

This unrelated assertion does not explain the ISE virtual machine CPU memory disk sizing problem. The only result is an unrelated portal background color change.

Question 70

A virtual ISE deployment receives more concurrent authentications than expected and queue latency rises. The observed failure is: Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. What recovery action restores supported network-access behavior?

  1. The supported recovery is to rename the virtual machine to improve RADIUS throughput.
  2. The supported recovery is to assume the smallest virtual appliance fits every campus deployment.
  3. The supported recovery is to resize or redeploy according to supported specifications and retest peak authentication throughput.
  4. The supported recovery is to overcommit all VM memory without measuring policy-service latency.

Explanation

Correct Answer

C:

Recheck allocated and reserved vCPU and RAM, supported OVA tier, authentication rates, IOPS and resource alerts. ISE policy service performance depends on supported VM capacity and adequate reserved resources.

Incorrect Answers

A:

Rename the virtual machine to improve RADIUS throughput. This action does not repair the identified failure. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Instead, resize or redeploy according to supported specifications and retest peak authentication throughput. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

B:

Assume the smallest virtual appliance fits every campus deployment. This action does not repair the identified failure. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Instead, resize or redeploy according to supported specifications and retest peak authentication throughput. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

D:

Overcommit all VM memory without measuring policy-service latency. This action does not repair the identified failure. Increasing virtual disk alone cannot compensate for insufficient CPU or memory reservation during RADIUS bursts. Instead, resize or redeploy according to supported specifications and retest peak authentication throughput. For the specific situation, a virtual ISE deployment receives more concurrent authentications than expected and queue latency rises.

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