McAfee Secure

Cisco 300-715 Bundle

Exam Code: 300-715

Exam Name Implementing and Configuring Cisco Identity Services Engine (300-715 SISE)

Certification Provider: Cisco

Corresponding Certification: CCNP Security

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Cisco 300-715 Practice Test 39

Question 380

An access-security change request states: DHCP fingerprint attributes are absent for a printer in ISE although the access switch's VLAN has a local DHCP server and the profiling probe receives no forwarded broadcasts. Which acceptance test would directly establish the desired state?

  1. A printer lease request reaches the profiler input and expected DHCP attributes appear on the endpoint record.
  2. The intended printers produce stable discriminating attributes and unrelated probes do not introduce incorrect classifications.
  3. The target address resolves to its current authorized hostname and profile matches after data refresh.
  4. The printer appears once in endpoint inventory and receives a consistent restricted authorization across PSNs.

Explanation

Correct Answer

A:

A printer lease request reaches the profiler input and expected DHCP attributes appear on the endpoint record. The required remediation is: Provide a supported DHCP probe input path, such as an appropriately configured helper or mirrored traffic source, for that site. It works because a DHCP probe can classify endpoint behavior only when it observes relevant DHCP discovery or option data.

Incorrect Answers

B:

Select appropriate supported probes and validate their actual endpoint attributes against representative device samples. The repeat risk here is different: Provide a supported DHCP probe input path, such as an appropriately configured helper or mirrored traffic source, for that site. A directly relevant preventive control is: A printer lease request reaches the profiler input and expected DHCP attributes appear on the endpoint record.

C:

Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes. The repeat risk here is different: Provide a supported DHCP probe input path, such as an appropriately configured helper or mirrored traffic source, for that site. A directly relevant preventive control is: A printer lease request reaches the profiler input and expected DHCP attributes appear on the endpoint record.

D:

Internal endpoint records and identity groups determine how MAB and endpoint-based rules resolve an observed MAC. The repeat risk here is different: Provide a supported DHCP probe input path, such as an appropriately configured helper or mirrored traffic source, for that site. A directly relevant preventive control is: A printer lease request reaches the profiler input and expected DHCP attributes appear on the endpoint record.

Question 381

During a Cisco ISE postchange review, the following is observed: DHCP fingerprint attributes are absent for a printer in ISE although the access switch's VLAN has a local DHCP server and the profiling probe receives no forwarded broadcasts. Which governance step most directly targets the root cause?

  1. Test DHCP probe reachability for every routed access VLAN.
  2. Reconcile DNS aging and DHCP registration with endpoint profiling.
  3. Document data-source relevance and control probe collection scope for each profiling use case.
  4. Test profile-change CoA and session-target resolution during IoT onboarding.

Explanation

Correct Answer

A:

Test DHCP probe reachability for every routed access VLAN. This control addresses recurrence of the observed failure. The governing behavior is: A DHCP probe can classify endpoint behavior only when it observes relevant DHCP discovery or option data. The ongoing acceptance check remains: A printer lease request reaches the profiler input and expected DHCP attributes appear on the endpoint record.

Incorrect Answers

B:

Enable RADIUS accounting on supported NADs and validate arrival of start, stop, and interim session attributes where configured. The actual fault is governed by a different mechanism: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The needed response is: Test DHCP probe reachability for every routed access VLAN.

C:

Permit appropriately scoped network-device probe traffic from the actual PSNs providing the service, not only from the PAN. The actual fault is governed by a different mechanism: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The needed response is: Test DHCP probe reachability for every routed access VLAN.

D:

Enable supported RADIUS Change of Authorization on the NAD and send a scoped session update after profiling changes. The actual fault is governed by a different mechanism: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The needed response is: Test DHCP probe reachability for every routed access VLAN.

Question 382

In a staged Cisco ISE network access rollout, the team observes: New endpoints' CDP/LLDP attributes are missing because their network devices are not sending supported discovery data to ISE. Which change is justified by the observed evidence?

  1. Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content.
  2. Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes.
  3. Tune profiling rule conditions and supported classification priorities so the device matches the intended specialized endpoint profile.
  4. Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data.

Explanation

Correct Answer

D:

Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. This is appropriate because cDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path. It should be verified by this evidence: The endpoint record contains correct discovery information and matches the intended profile.

Incorrect Answers

A:

Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The offered choice instead concerns a different principle: Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. Those technical conditions are not interchangeable.

B:

Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The offered choice instead concerns a different principle: Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes. Those technical conditions are not interchangeable.

C:

Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The offered choice instead concerns a different principle: Measure false-positive classifications after changing broad OUI-based rules. Those technical conditions are not interchangeable.

Question 383

An identity and device-administration engineer evaluates: New endpoints' CDP/LLDP attributes are missing because their network devices are not sending supported discovery data to ISE. What mechanism governs this authentication or management outcome?

  1. Accounting messages provide ongoing network session attributes used for endpoint visibility; Access-Accept alone does not supply all session history.
  2. CDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path.
  3. Profiling runs where its service and probes are enabled; management-node reachability does not prove probe-node reachability.
  4. A shared MAC OUI can identify network hardware vendor but not reliably distinguish an endpoint's functional device type.

Explanation

Correct Answer

B:

CDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path. This behavior directly governs the stated requirement. The recommended action is: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The acceptance result is: The endpoint record contains correct discovery information and matches the intended profile.

Incorrect Answers

A:

Enable RADIUS accounting on supported NADs and validate arrival of start, stop, and interim session attributes where configured. In the case being tested, Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The necessary acceptance evidence is: CDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path.

C:

Permit appropriately scoped network-device probe traffic from the actual PSNs providing the service, not only from the PAN. In the case being tested, Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The necessary acceptance evidence is: CDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path.

D:

Regression-test profiler rules with representative phones and non-phone devices. In the case being tested, Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The necessary acceptance evidence is: CDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path.

Question 384

A campus and branch network operator reports: New endpoints' CDP/LLDP attributes are missing because their network devices are not sending supported discovery data to ISE. What is the strongest evidence that this requirement is met?

  1. The branch PSN retrieves the expected switch attributes and the endpoint profile updates.
  2. The PSN retrieves the expected switch-port and neighbor attributes after credential repair.
  3. The endpoint record contains correct discovery information and matches the intended profile.
  4. The test switch accepts the appropriate session update and enforces the intended device policy.

Explanation

Correct Answer

C:

The endpoint record contains correct discovery information and matches the intended profile. The required remediation is: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. It works because cDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path.

Incorrect Answers

A:

Permit appropriately scoped network-device probe traffic from the actual PSNs providing the service, not only from the PAN. The repeat risk here is different: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. A directly relevant preventive control is: The endpoint record contains correct discovery information and matches the intended profile.

B:

Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The repeat risk here is different: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. A directly relevant preventive control is: The endpoint record contains correct discovery information and matches the intended profile.

D:

CoA packet support and action semantics vary among NADs; ISE's classification alone cannot overcome an unsupported device action. The repeat risk here is different: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. A directly relevant preventive control is: The endpoint record contains correct discovery information and matches the intended profile.

Question 385

A Cisco ISE operations team investigates this site issue: New endpoints' CDP/LLDP attributes are missing because their network devices are not sending supported discovery data to ISE. Which recurring operational control would reduce this risk?

  1. Review privacy limits and observe only approved traffic for HTTP profiling.
  2. Review device discovery advertisements and profiling telemetry as separate dependencies.
  3. Use persona-aware source-IP firewall tests for distributed profiling probes.
  4. Require session identity validation before automating endpoint disconnects.

Explanation

Correct Answer

B:

Review device discovery advertisements and profiling telemetry as separate dependencies. This control addresses recurrence of the observed failure. The governing behavior is: CDP and LLDP descriptions describe attached device characteristics, but ISE must receive them through a supported probe or NAD attribute path. The ongoing acceptance check remains: The endpoint record contains correct discovery information and matches the intended profile.

Incorrect Answers

A:

Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes. The actual fault is governed by a different mechanism: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The needed response is: Review device discovery advertisements and profiling telemetry as separate dependencies.

C:

Enable supported RADIUS Change of Authorization on the NAD and send a scoped session update after profiling changes. The actual fault is governed by a different mechanism: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The needed response is: Review device discovery advertisements and profiling telemetry as separate dependencies.

D:

CoA actions are applied to a session; overly broad or ambiguous identifiers can modify the wrong authenticated connection. The actual fault is governed by a different mechanism: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The needed response is: Review device discovery advertisements and profiling telemetry as separate dependencies.

Question 386

During a Cisco ISE postchange review, the following is observed: An access switch sends SNMP traps but its polling credentials are outdated, preventing ISE from retrieving supplemental endpoint device details. Which administrative action BEST addresses this specific situation?

  1. Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes.
  2. Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data.
  3. Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt.
  4. Keep profiler-derived device categories separate from strong user authentication and use combined identity and device conditions for privileged access.

Explanation

Correct Answer

C:

Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. This is appropriate because sNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection. It should be verified by this evidence: The PSN retrieves the expected switch-port and neighbor attributes after credential repair.

Incorrect Answers

A:

Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The offered choice instead concerns a different principle: Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes. Those technical conditions are not interchangeable.

B:

Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The offered choice instead concerns a different principle: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. Those technical conditions are not interchangeable.

D:

Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The offered choice instead concerns a different principle: Keep profiler-derived device categories separate from strong user authentication and use combined identity and device conditions for privileged access. Those technical conditions are not interchangeable.

Question 387

A security policy owner must resolve this specific case: An access switch sends SNMP traps but its polling credentials are outdated, preventing ISE from retrieving supplemental endpoint device details. Which architectural fact determines the appropriate fix?

  1. A DHCP probe can classify endpoint behavior only when it observes relevant DHCP discovery or option data.
  2. SNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection.
  3. DNS lookup is contextual enrichment; stale or conflicting records can attach the wrong name to an IP endpoint.
  4. Profiler classification relies on an active profiling service receiving endpoint attributes; a healthy RADIUS service alone cannot classify unknown devices.

Explanation

Correct Answer

B:

SNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection. This behavior directly governs the stated requirement. The recommended action is: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The acceptance result is: The PSN retrieves the expected switch-port and neighbor attributes after credential repair.

Incorrect Answers

A:

Provide a supported DHCP probe input path, such as an appropriately configured helper or mirrored traffic source, for that site. In the case being tested, Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The necessary acceptance evidence is: SNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection.

C:

Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes. In the case being tested, Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The necessary acceptance evidence is: SNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection.

D:

Review privilege inheritance in sponsor groups before exposing new guest account types. In the case being tested, Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The necessary acceptance evidence is: SNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection.

Question 388

A network identity engineer receives the following requirement: An access switch sends SNMP traps but its polling credentials are outdated, preventing ISE from retrieving supplemental endpoint device details. Which postchange outcome demonstrates correct implementation?

  1. The PSN retrieves the expected switch-port and neighbor attributes after credential repair.
  2. The branch PSN retrieves the expected switch attributes and the endpoint profile updates.
  3. The endpoint record contains correct discovery information and matches the intended profile.
  4. The active printer session changes to its restricted printer policy without a physical port reset.

Explanation

Correct Answer

A:

The PSN retrieves the expected switch-port and neighbor attributes after credential repair. The required remediation is: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. It works because sNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection.

Incorrect Answers

B:

Permit appropriately scoped network-device probe traffic from the actual PSNs providing the service, not only from the PAN. The repeat risk here is different: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. A directly relevant preventive control is: The PSN retrieves the expected switch-port and neighbor attributes after credential repair.

C:

Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. The repeat risk here is different: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. A directly relevant preventive control is: The PSN retrieves the expected switch-port and neighbor attributes after credential repair.

D:

Enable supported RADIUS Change of Authorization on the NAD and send a scoped session update after profiling changes. The repeat risk here is different: Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. A directly relevant preventive control is: The PSN retrieves the expected switch-port and neighbor attributes after credential repair.

Question 389

An enterprise access-control incident describes: An access switch sends SNMP traps but its polling credentials are outdated, preventing ISE from retrieving supplemental endpoint device details. What should be added to the maintenance or security review?

  1. Review device discovery advertisements and profiling telemetry as separate dependencies.
  2. Monitor accounting delivery independently of successful authentication totals.
  3. Rotate SNMP credentials with synchronized ISE probe configuration changes.
  4. Tie endpoint identity revocation to equipment decommissioning records.

Explanation

Correct Answer

C:

Rotate SNMP credentials with synchronized ISE probe configuration changes. This control addresses recurrence of the observed failure. The governing behavior is: SNMP profiling may depend on authenticated device queries in addition to unsolicited traps; stale credentials interrupt data collection. The ongoing acceptance check remains: The PSN retrieves the expected switch-port and neighbor attributes after credential repair.

Incorrect Answers

A:

Correct supported SNMP probe credentials and permitted network path, then validate switch query and trap receipt. The actual fault is governed by a different mechanism: Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. The needed response is: Rotate SNMP credentials with synchronized ISE probe configuration changes.

B:

Select appropriate supported probes and validate their actual endpoint attributes against representative device samples. The actual fault is governed by a different mechanism: Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. The needed response is: Rotate SNMP credentials with synchronized ISE probe configuration changes.

D:

An authorized MAC identity can outlive its physical device; deleting hardware does not revoke ISE endpoint authorization automatically. The actual fault is governed by a different mechanism: Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. The needed response is: Rotate SNMP credentials with synchronized ISE probe configuration changes.

Question 390

A Cisco ISE operations team investigates this site issue: An organization wants to classify connected endpoint operating systems from observed web traffic, but only RADIUS accounting is enabled and the HTTP probe never sees permitted traffic. What is the most appropriate next configuration or repair?

  1. Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes.
  2. Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data.
  3. Review profiling policy conditions and certainty factors so the received phone attributes match the intended device profile.
  4. Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content.

Explanation

Correct Answer

D:

Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. This is appropriate because hTTP profiling requires eligible HTTP header metadata; RADIUS authentication attributes alone cannot supply all such browser-derived details. It should be verified by this evidence: A controlled HTTP request contributes the expected supported user-agent attribute to the endpoint profile.

Incorrect Answers

A:

Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. The offered choice instead concerns a different principle: Correct the DNS probe's authoritative resolution and record lifecycle, then refresh affected endpoint attributes. Those technical conditions are not interchangeable.

B:

Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. The offered choice instead concerns a different principle: Enable and validate an appropriate profiling collection method for network-device discovery attributes, such as supported RADIUS or SNMP data. Those technical conditions are not interchangeable.

C:

Configure supported HTTP profiling observation and its approved traffic visibility path without exposing unrelated user browsing content. The offered choice instead concerns a different principle: Monitor Profiler service health and identity counts after node-role changes. Those technical conditions are not interchangeable.