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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 16

Question 150

An ISE administrator troubleshoots the following: A regulated lab requires all regular user traffic denied until an endpoint has successfully completed authentication; the current open authorization permits unverified traffic. What should the team change before declaring this work complete?

  1. Use a supported monitor-mode 802.1X deployment to collect authentication evidence before enforcing restrictive authorization.
  2. Use multi-auth host mode where supported and require each downstream client to authenticate individually.
  3. Configure supported LDAP over TLS with a trusted server certificate and the correct bind identity and search configuration.
  4. Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions.

Explanation

Correct Answer

D:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. This is appropriate because closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier. It should be verified by this evidence: An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.

Incorrect Answers

A:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The offered choice instead concerns a different principle: Monitor accounting packet delivery separately from successful authentication counts. Those technical conditions are not interchangeable.

B:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The offered choice instead concerns a different principle: Use multi-auth host mode where supported and require each downstream client to authenticate individually. Those technical conditions are not interchangeable.

C:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The offered choice instead concerns a different principle: Validate directory organizational-unit moves against ISE LDAP search filters before cutover. Those technical conditions are not interchangeable.

Question 151

An access-security change request states: A regulated lab requires all regular user traffic denied until an endpoint has successfully completed authentication; the current open authorization permits unverified traffic. What underlying Cisco ISE dependency explains this result?

  1. An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision.
  2. IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.
  3. Closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier.
  4. A MAC address can be spoofed, so a matching MAB record is not cryptographic proof of the physical endpoint.

Explanation

Correct Answer

C:

Closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier. This behavior directly governs the stated requirement. The recommended action is: Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The acceptance result is: An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.

Incorrect Answers

A:

Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. In the case being tested, Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The necessary acceptance evidence is: Closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier.

B:

Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. In the case being tested, Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The necessary acceptance evidence is: Closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier.

D:

Reduce the MAB role to least privilege and supplement admission with profiling, port context, or stronger supported controls where feasible. In the case being tested, Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The necessary acceptance evidence is: Closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier.

Question 152

During a Cisco ISE postchange review, the following is observed: A regulated lab requires all regular user traffic denied until an endpoint has successfully completed authentication; the current open authorization permits unverified traffic. Which measurable outcome proves the intended behavior?

  1. An unauthenticated client obtains only approved bootstrap services and receives full permitted access after a successful 802.1X decision.
  2. The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.
  3. The affected endpoint's session reflects the new SGT and its enforcement matrix behavior changes accordingly.
  4. An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.

Explanation

Correct Answer

D:

An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access. The required remediation is: Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. It works because closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier.

Incorrect Answers

A:

Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services. The repeat risk here is different: Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. A directly relevant preventive control is: An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.

B:

Use multi-auth host mode where supported and require each downstream client to authenticate individually. The repeat risk here is different: Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. A directly relevant preventive control is: An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.

C:

Reauthenticate the session using supported CoA or session refresh and verify the resulting TrustSec authorization. The repeat risk here is different: Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. A directly relevant preventive control is: An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.

Question 153

A security policy owner must resolve this specific case: A regulated lab requires all regular user traffic denied until an endpoint has successfully completed authentication; the current open authorization permits unverified traffic. Which ongoing practice is most appropriate for this failure mode?

  1. Measure actual method fallback time when onboarding new non-supplicant device types.
  2. Audit preauthentication ACL exceptions as the rollout moves from low impact to closed enforcement.
  3. Test essential control-plane exceptions before enforcing closed mode at scale.
  4. Validate directory organizational-unit moves against ISE LDAP search filters before cutover.

Explanation

Correct Answer

C:

Test essential control-plane exceptions before enforcing closed mode at scale. This control addresses recurrence of the observed failure. The governing behavior is: Closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier. The ongoing acceptance check remains: An unrecognized laptop cannot reach protected destinations, and a managed authenticated laptop obtains its authorized access.

Incorrect Answers

A:

Register the printer's endpoint MAC as an authorized internal endpoint and configure a tightly scoped MAB authorization profile. The actual fault is governed by a different mechanism: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The needed response is: Test essential control-plane exceptions before enforcing closed mode at scale.

B:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. The actual fault is governed by a different mechanism: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The needed response is: Test essential control-plane exceptions before enforcing closed mode at scale.

D:

Validate directory organizational-unit moves against ISE LDAP search filters before cutover. The actual fault is governed by a different mechanism: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The needed response is: Test essential control-plane exceptions before enforcing closed mode at scale.

Question 154

An identity and device-administration engineer evaluates: An access switch permits one authorized workstation but unexpectedly disconnects the workstation when an IP phone authenticates on the same physical port. Which response most directly corrects the described failure?

  1. Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X.
  2. Inspect the IBNS 2.0 event and action mapping for reauthentication and apply a supported CoA-triggered session transition.
  3. Define a deterministic identity-source sequence or an unambiguous policy to select the intended source, and check for duplicate principal collisions.
  4. Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately.

Explanation

Correct Answer

D:

Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. This is appropriate because host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices. It should be verified by this evidence: The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.

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. The offered choice instead concerns a different principle: Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. Those technical conditions are not interchangeable.

B:

Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. 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.

C:

Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The offered choice instead concerns a different principle: Alert on ISE node time drift and authoritative NTP reachability. Those technical conditions are not interchangeable.

Question 155

A campus and branch network operator reports: An access switch permits one authorized workstation but unexpectedly disconnects the workstation when an IP phone authenticates on the same physical port. Which statement best explains why the correct response works?

  1. Host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices.
  2. An authentication-server-unavailable event can invoke configured IBNS 2.0 service templates; it should not be confused with a successful identity decision.
  3. IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.
  4. ISE selects a policy set by its condition; an overly broad match routes authentications to the wrong policy even with correct credentials.

Explanation

Correct Answer

A:

Host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices. This behavior directly governs the stated requirement. The recommended action is: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The acceptance result is: The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.

Incorrect Answers

B:

Define an explicit critical-authentication event action and constrained access policy for loss of all authorized RADIUS servers. In the case being tested, Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The necessary acceptance evidence is: Host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices.

C:

Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. In the case being tested, Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The necessary acceptance evidence is: Host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices.

D:

Narrow the policy-set conditions using authentic network-device group, SSID, and protocol attributes before evaluating its detailed rules. In the case being tested, Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. The necessary acceptance evidence is: Host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices.

Question 156

A Cisco ISE operations team investigates this site issue: An access switch permits one authorized workstation but unexpectedly disconnects the workstation when an IP phone authenticates on the same physical port. Which observation would BEST verify successful remediation?

  1. The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.
  2. An unauthenticated client obtains only approved bootstrap services and receives full permitted access after a successful 802.1X decision.
  3. The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.
  4. The live log identifies the corporate SSID rule and the client receives the expected VLAN while guest clients remain isolated.

Explanation

Correct Answer

C:

The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients. The required remediation is: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. It works because host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices.

Incorrect Answers

A:

Use multi-auth host mode where supported and require each downstream client to authenticate individually. The repeat risk here is different: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. A directly relevant preventive control is: The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.

B:

Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services. The repeat risk here is different: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. A directly relevant preventive control is: The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.

D:

Test SSID and network-device-group conditions in each wireless authorization policy set. The repeat risk here is different: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. A directly relevant preventive control is: The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.

Question 157

At a distributed Cisco ISE deployment, a security review finds: An access switch permits one authorized workstation but unexpectedly disconnects the workstation when an IP phone authenticates on the same physical port. What should be incorporated into the change checklist?

  1. Record method-specific identity and privileges for every non-802.1X device class.
  2. Measure actual method fallback time when onboarding new non-supplicant device types.
  3. Validate directory organizational-unit moves against ISE LDAP search filters before cutover.
  4. Standardize host-mode profiles for phone-plus-PC access ports.

Explanation

Correct Answer

D:

Standardize host-mode profiles for phone-plus-PC access ports. This control addresses recurrence of the observed failure. The governing behavior is: Host mode governs how many endpoint sessions and traffic domains may coexist on one access port; single-host can reject additional devices. The ongoing acceptance check remains: The phone and PC each have the intended separate voice and data authorization sessions without allowing unlimited piggyback clients.

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: Use multi-auth host mode where supported and require each downstream client to authenticate individually. The needed response is: Standardize host-mode profiles for phone-plus-PC access ports.

B:

Register the printer's endpoint MAC as an authorized internal endpoint and configure a tightly scoped MAB authorization profile. The actual fault is governed by a different mechanism: Use multi-auth host mode where supported and require each downstream client to authenticate individually. The needed response is: Standardize host-mode profiles for phone-plus-PC access ports.

C:

Validate directory organizational-unit moves against ISE LDAP search filters before cutover. The actual fault is governed by a different mechanism: Use multi-auth host mode where supported and require each downstream client to authenticate individually. The needed response is: Standardize host-mode profiles for phone-plus-PC access ports.

Question 158

A security policy owner must resolve this specific case: 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. What is the most suitable solution within these constraints?

  1. Use multi-auth host mode where supported and require each downstream client to authenticate individually.
  2. Use a carefully scoped low-impact 802.1X design with a preauthentication ACL limited to required bootstrap services.
  3. Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately.
  4. Replace the catch-all MAB authorization with an explicit known-endpoint group and a deny or isolation result for unknown MACs.

Explanation

Correct Answer

A:

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

Incorrect Answers

B:

Use multi-auth host mode where supported and require each downstream client to authenticate individually. 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.

C:

Use multi-auth host mode where supported and require each downstream client to authenticate individually. The offered choice instead concerns a different principle: Select a supported 802.1X host mode such as multi-domain when one voice endpoint and one data endpoint must authenticate separately. Those technical conditions are not interchangeable.

D:

Use multi-auth host mode where supported and require each downstream client to authenticate individually. The offered choice instead concerns a different principle: Replace the catch-all MAB authorization with an explicit known-endpoint group and a deny or isolation result for unknown MACs. Those technical conditions are not interchangeable.

Question 159

A network identity engineer receives the following requirement: 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 platform distinction is decisive in this scenario?

  1. Closed mode restricts ordinary data access before a valid authentication result, enforcing the port's intended admission barrier.
  2. IBNS 2.0 authentication policy can orchestrate multiple methods; an endpoint without EAPOL support needs an alternate admission mechanism.
  3. MAB is a weaker identity signal than cryptographic EAP; permissive default rules let unrecognized devices receive unwarranted access.
  4. Multi-host authorizes the entire downstream port after one success; multi-auth maintains a distinct access session for each endpoint.

Explanation

Correct Answer

D:

Multi-host authorizes the entire downstream port after one success; multi-auth maintains a distinct access session for each endpoint. This behavior directly governs the stated requirement. The recommended action is: Use multi-auth host mode where supported and require each downstream client to authenticate individually. The acceptance result is: The first authorized client cannot grant access to an unregistered second client, and both have distinct session records.

Incorrect Answers

A:

Apply an appropriate closed-mode wired 802.1X configuration with necessary tightly controlled exceptions. In the case being tested, Use multi-auth host mode where supported and require each downstream client to authenticate individually. The necessary acceptance evidence is: Multi-host authorizes the entire downstream port after one success; multi-auth maintains a distinct access session for each endpoint.

B:

Add an explicitly authorized MAB method and appropriate event-driven policy handling for devices that cannot perform 802.1X. In the case being tested, Use multi-auth host mode where supported and require each downstream client to authenticate individually. The necessary acceptance evidence is: Multi-host authorizes the entire downstream port after one success; multi-auth maintains a distinct access session for each endpoint.

C:

Replace the catch-all MAB authorization with an explicit known-endpoint group and a deny or isolation result for unknown MACs. In the case being tested, Use multi-auth host mode where supported and require each downstream client to authenticate individually. The necessary acceptance evidence is: Multi-host authorizes the entire downstream port after one success; multi-auth maintains a distinct access session for each endpoint.

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.