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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 17

Question 160

An enterprise access-control incident describes: A classroom port serves a small unmanaged switch with three individually managed wired clients, but multi-host mode grants every downstream client access after the first authentication. Which acceptance test would directly establish the desired state?

  1. An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.
  2. The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.
  3. Access logs show which endpoint identities would authenticate while pilot users retain the defined non-disruptive connectivity.
  4. A valid managed EAP-TLS client joins and a password-only test client does not meet the secure SSID policy.

Explanation

Correct Answer

B:

The first authorized client cannot grant access to an unregistered second client, and both have distinct session records. The required remediation is: Use multi-auth host mode where supported and require each downstream client to authenticate individually. It works because multi-host authorizes the entire downstream port after one success; multi-auth maintains a distinct access session for each endpoint.

Incorrect Answers

A:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The repeat risk here is different: Use multi-auth host mode where supported and require each downstream client to authenticate individually. A directly relevant preventive control is: The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.

C:

The offered option specifies “Access logs show which endpoint identities would authenticate while pilot users retain the defined non-disruptive connectivity”. The question requires “The first authorized client cannot grant access to an unregistered second client, and both have distinct session records”: Use multi-auth host mode where supported and require each downstream client to authenticate individually. These are not equivalent responses to the stated requirement.

D:

Audit EAP method availability and certificate trust before deploying new WLANs. The repeat risk here is different: Use multi-auth host mode where supported and require each downstream client to authenticate individually. A directly relevant preventive control is: The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.

Question 161

In a staged Cisco ISE network access rollout, the team observes: A classroom port serves a small unmanaged switch with three individually managed wired clients, but multi-host mode grants every downstream client access after the first authentication. Which governance step most directly targets the root cause?

  1. Test AAA outage event policy and recovery transitions for each switch family.
  2. Maintain explicit exit criteria and a dated transition from monitor to enforced modes.
  3. Review host-mode risk before permitting attached mini-switches.
  4. Test policy-set selection on each NAD and access medium before enabling broad changes.

Explanation

Correct Answer

C:

Review host-mode risk before permitting attached mini-switches. This control addresses recurrence of the observed failure. The governing behavior is: Multi-host authorizes the entire downstream port after one success; multi-auth maintains a distinct access session for each endpoint. The ongoing acceptance check remains: The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.

Incorrect Answers

A:

Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. The actual fault is governed by a different mechanism: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The needed response is: Review host-mode risk before permitting attached mini-switches.

B:

Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services. The actual fault is governed by a different mechanism: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The needed response is: Review host-mode risk before permitting attached mini-switches.

D:

Change the authentication and authorization exception actions to controlled denial or strictly limited approved critical access. The actual fault is governed by a different mechanism: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The needed response is: Review host-mode risk before permitting attached mini-switches.

Question 162

At a distributed Cisco ISE deployment, a security review finds: An IBNS 2.0 switch policy permits 802.1X but offers no MAB fallback for a known badge reader that lacks a supplicant and consequently never reaches ISE. Which change is justified by the observed evidence?

  1. Tune supported authentication method order and timer behavior so the permitted MAB fallback starts within the required interval.
  2. Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services.
  3. Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X.
  4. Assign suitable Security Group Tags in ISE and apply group-based Cisco TrustSec enforcement using supported security group ACL policies.

Explanation

Correct Answer

C:

Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. This is appropriate because iBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism. It should be verified by this evidence: A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization.

Incorrect Answers

A:

Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The offered choice instead concerns a different principle: Tune supported authentication method order and timer behavior so the permitted MAB fallback starts within the required interval. Those technical conditions are not interchangeable.

B:

Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The offered choice instead concerns a different principle: Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services. Those technical conditions are not interchangeable.

D:

Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The offered choice instead concerns a different principle: Assign suitable Security Group Tags in ISE and apply group-based Cisco TrustSec enforcement using supported security group ACL policies. Those technical conditions are not interchangeable.

Question 163

An ISE administrator troubleshoots the following: An IBNS 2.0 switch policy permits 802.1X but offers no MAB fallback for a known badge reader that lacks a supplicant and consequently never reaches ISE. What mechanism governs this authentication or management outcome?

  1. Host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices.
  2. IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.
  3. 802.1X supplicant timeout and method sequencing determine when MAB can be attempted on a silent endpoint.
  4. LDAP and AD identity repositories can expose different account attributes; lookup success depends on the configured schema mapping.

Explanation

Correct Answer

B:

IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism. This behavior directly governs the stated requirement. The recommended action is: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The acceptance result is: A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization.

Incorrect Answers

A:

Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. In the case being tested, Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The necessary acceptance evidence is: IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.

C:

Tune supported authentication method order and timer behavior so the permitted MAB fallback starts within the required interval. In the case being tested, Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The necessary acceptance evidence is: IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.

D:

Test external MFA service failures and document secure fail-closed or permitted exception behavior. In the case being tested, Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. The necessary acceptance evidence is: IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.

Question 164

An access-security change request states: An IBNS 2.0 switch policy permits 802.1X but offers no MAB fallback for a known badge reader that lacks a supplicant and consequently never reaches ISE. What is the strongest evidence that this requirement is met?

  1. A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization.
  2. The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.
  3. The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.
  4. A finance endpoint is assigned the correct SGT and the supported enforcement point blocks prohibited research access.

Explanation

Correct Answer

A:

A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization. The required remediation is: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. It works because iBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.

Incorrect Answers

B:

Use multi-auth host mode where supported and require each downstream client to authenticate individually. The repeat risk here is different: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. A directly relevant preventive control is: A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization.

C:

Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The repeat risk here is different: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. A directly relevant preventive control is: A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization.

D:

Assign suitable Security Group Tags in ISE and apply group-based Cisco TrustSec enforcement using supported security group ACL policies. The repeat risk here is different: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. A directly relevant preventive control is: A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization.

Question 165

During a Cisco ISE postchange review, the following is observed: An IBNS 2.0 switch policy permits 802.1X but offers no MAB fallback for a known badge reader that lacks a supplicant and consequently never reaches ISE. Which recurring operational control would reduce this risk?

  1. Keep IBNS 2.0 event policy and NAC server CoA behaviors under joint change testing.
  2. Record method-specific identity and privileges for every non-802.1X device class.
  3. Audit preauthentication ACL exceptions as the rollout moves from low impact to closed enforcement.
  4. Audit EAP method availability and certificate trust before deploying new WLANs.

Explanation

Correct Answer

B:

Record method-specific identity and privileges for every non-802.1X device class. This control addresses recurrence of the observed failure. The governing behavior is: IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism. The ongoing acceptance check remains: A managed workstation authenticates via 802.1X while the pre-registered badge reader uses MAB and receives restricted authorization.

Incorrect Answers

A:

Tune supported authentication method order and timer behavior so the permitted MAB fallback starts within the required interval. The actual fault is governed by a different mechanism: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The needed response is: Record method-specific identity and privileges for every non-802.1X device class.

C:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The actual fault is governed by a different mechanism: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The needed response is: Record method-specific identity and privileges for every non-802.1X device class.

D:

Audit EAP method availability and certificate trust before deploying new WLANs. The actual fault is governed by a different mechanism: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The needed response is: Record method-specific identity and privileges for every non-802.1X device class.

Question 166

In a staged Cisco ISE network access rollout, the team observes: A production switch configured with an IBNS 2.0 control policy handles RADIUS dead-time by opening access to every VLAN, contrary to the agreed outage behavior. Which administrative action BEST addresses this specific situation?

  1. Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services.
  2. Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition.
  3. Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers.
  4. Configure the supported LDAP user search filter and identity attribute for that directory's schema.

Explanation

Correct Answer

C:

Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. This is appropriate because an authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision. It should be verified by this evidence: During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward.

Incorrect Answers

A:

Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The offered choice instead concerns a different principle: Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services. Those technical conditions are not interchangeable.

B:

Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The offered choice instead concerns a different principle: Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. Those technical conditions are not interchangeable.

D:

Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The offered choice instead concerns a different principle: Test external MFA service failures and document secure fail-closed or permitted exception behavior. Those technical conditions are not interchangeable.

Question 167

An identity and device-administration engineer evaluates: A production switch configured with an IBNS 2.0 control policy handles RADIUS dead-time by opening access to every VLAN, contrary to the agreed outage behavior. Which architectural fact determines the appropriate fix?

  1. Low-impact mode permits constrained preliminary access while authentication completes, unlike granting unrestricted traffic before the ISE decision.
  2. Monitor mode allows phased assessment of client and policy readiness without immediately denying productive access on every failed attempt.
  3. An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision.
  4. An SGT is a classification label; actual permission between groups is enforced by group-based access control policies.

Explanation

Correct Answer

C:

An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision. This behavior directly governs the stated requirement. The recommended action is: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The acceptance result is: During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward.

Incorrect Answers

A:

Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services. In the case being tested, Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The necessary acceptance evidence is: An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision.

B:

Monitor accounting packet delivery separately from successful authentication counts. In the case being tested, Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The necessary acceptance evidence is: An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision.

D:

Configure the intended source-SGT to destination-SGT permission using a suitable SGACL in the TrustSec policy matrix. In the case being tested, Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The necessary acceptance evidence is: An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision.

Question 168

A campus and branch network operator reports: A production switch configured with an IBNS 2.0 control policy handles RADIUS dead-time by opening access to every VLAN, contrary to the agreed outage behavior. Which postchange outcome demonstrates correct implementation?

  1. Access logs show which endpoint identities would authenticate while pilot users retain the defined non-disruptive connectivity.
  2. An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.
  3. During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward.
  4. The affected PSN's clock offset falls within policy and the same test user authenticates reliably.

Explanation

Correct Answer

C:

During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward. The required remediation is: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. It works because an authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision.

Incorrect Answers

A:

The offered option specifies “Access logs show which endpoint identities would authenticate while pilot users retain the defined non-disruptive connectivity”. The question requires “During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward”: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. These are not equivalent responses to the stated requirement.

B:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The repeat risk here is different: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. A directly relevant preventive control is: During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward.

D:

Alert on ISE node time drift and authoritative NTP reachability. The repeat risk here is different: Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. A directly relevant preventive control is: During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward.

Question 169

A Cisco ISE operations team investigates this site issue: A production switch configured with an IBNS 2.0 control policy handles RADIUS dead-time by opening access to every VLAN, contrary to the agreed outage behavior. What should be added to the maintenance or security review?

  1. Record method-specific identity and privileges for every non-802.1X device class.
  2. Test AAA outage event policy and recovery transitions for each switch family.
  3. Keep IBNS 2.0 event policy and NAC server CoA behaviors under joint change testing.
  4. Alert on ISE node time drift and authoritative NTP reachability.

Explanation

Correct Answer

B:

Test AAA outage event policy and recovery transitions for each switch family. This control addresses recurrence of the observed failure. The governing behavior is: An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision. The ongoing acceptance check remains: During a controlled PSN outage, the port applies only the approved critical-access template and returns to normal authorization afterward.

Incorrect Answers

A:

Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. The actual fault is governed by a different mechanism: Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. The needed response is: Test AAA outage event policy and recovery transitions for each switch family.

C:

Tune supported authentication method order and timer behavior so the permitted MAB fallback starts within the required interval. The actual fault is governed by a different mechanism: Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. The needed response is: Test AAA outage event policy and recovery transitions for each switch family.

D:

Alert on ISE node time drift and authoritative NTP reachability. The actual fault is governed by a different mechanism: Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. The needed response is: Test AAA outage event policy and recovery transitions for each switch family.

Question 170

During a Cisco ISE postchange review, the following is observed: A switch migrates from legacy interface commands to IBNS 2.0 policy maps, and 802.1X sessions remain stale after ISE sends a reauthentication indication. What is the most appropriate next configuration or repair?

  1. Use a supported monitor-mode 802.1X deployment to collect authentication evidence before enforcing restrictive authorization.
  2. Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions.
  3. Narrow the policy-set conditions using authentic network-device group, SSID, and protocol attributes before evaluating its detailed rules.
  4. Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition.

Explanation

Correct Answer

D:

Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. This is appropriate because event-driven IBNS 2.0 control policy governs how authentication state changes after RADIUS events; a static VLAN command alone does not define transitions. It should be verified by this evidence: An approved CoA request causes the target port session to reauthenticate and receive fresh ISE authorization.

Incorrect Answers

A:

Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. The offered choice instead concerns a different principle: Monitor accounting packet delivery separately from successful authentication counts. Those technical conditions are not interchangeable.

B:

Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. The offered choice instead concerns a different principle: Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. Those technical conditions are not interchangeable.

C:

Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition. The offered choice instead concerns a different principle: Narrow the policy-set conditions using authentic network-device group, SSID, and protocol attributes before evaluating its detailed rules. Those technical conditions are not interchangeable.