View Full HP HPE6-A88 Exam Dumps and Practice Test Dumps

 

Question 81.

Which ClearPass component is responsible for evaluating incoming RADIUS requests against configured service rules?

1. ClearPass Policy Manager
   2. ClearPass Guest only
   3. Aruba Central only
   4. AirWave only

Correct Answer: 1. ClearPass Policy Manager

Explanation:

ClearPass Policy Manager is the core policy engine that receives and evaluates network access requests. It determines which configured service matches the request, validates identity information through the appropriate authentication source, retrieves authorization attributes, applies role-mapping logic, and selects an enforcement decision. Guest, Insight, and OnGuard provide specialized capabilities, but Policy Manager coordinates the main authentication and authorization workflow. When troubleshooting an access issue, administrators typically begin by examining how Policy Manager processed the request in Access Tracker.

Question 82.

Which ClearPass item defines the criteria that must match before a particular authentication workflow is used?

1. Enforcement Profile
   2. Service
   3. Endpoint Repository
   4. Guest account

Correct Answer: 2. Service

Explanation:

A ClearPass Service contains matching rules that determine whether an incoming request belongs to a particular authentication workflow. Conditions can evaluate RADIUS attributes, connection type, network device information, SSID, authentication method, or other request characteristics. Once a service matches, ClearPass uses the authentication sources, role mapping, authorization, and enforcement policies associated with that service. Service ordering is important because requests are evaluated against configured services, and an overly broad rule can cause traffic to match an unintended service.

Question 83.

Which policy translates attributes such as Active Directory group membership into an internal ClearPass role?

1. Authentication Policy
   2. Enforcement Profile
   3. Role Mapping Policy
   4. Guest Policy

Correct Answer: 3. Role Mapping Policy

Explanation:

Role Mapping Policies examine attributes collected during authentication and authorization and assign internal roles that can be used later in policy decisions. For example, membership in a specific Active Directory group may cause ClearPass to assign an Employee, Contractor, or Administrator role. This abstraction makes enforcement easier because access rules can reference roles instead of repeating complex directory conditions. If a user authenticates successfully but is classified incorrectly, administrators should inspect the role-mapping rules and the attributes visible in Access Tracker.

Question 84.

Which ClearPass object contains the actual RADIUS attributes that are returned to the switch or controller?

1. Authentication Source
   2. Endpoint Category
   3. Role Mapping Policy
   4. Enforcement Profile**

Correct Answer: 4. Enforcement Profile

Explanation:

An Enforcement Profile contains the actual authorization instructions sent to the network access device. These can include VLAN assignments, Aruba roles, vendor-specific attributes, session controls, or other RADIUS response values. The Enforcement Policy determines which profile should be selected, while the Enforcement Profile defines what the network device is told to do. If ClearPass makes the correct policy decision but the returned attributes are wrong, the Enforcement Profile should be reviewed.

Question 85.

Which ClearPass policy selects an Enforcement Profile based on roles and contextual conditions?

1. Enforcement Policy
   2. Authentication Source
   3. Network Device definition
   4. Guest operator profile

Correct Answer: 1. Enforcement Policy

Explanation:

An Enforcement Policy evaluates roles and other session attributes and decides which Enforcement Profile should be applied. Conditions may include user role, endpoint classification, posture status, authentication method, device location, time, or other contextual information. For example, a compliant employee device can receive normal access, while an unknown endpoint can receive restricted access. The actual RADIUS response attributes are stored inside the selected Enforcement Profile.

Question 86.

Which ClearPass feature is most appropriate for collecting historical authentication statistics and generating reports?

1. OnGuard
   2. Insight
   3. Guest
   4. Endpoint Profiling

Correct Answer: 2. Insight

Explanation:

ClearPass Insight provides reporting and historical analytics for authentication events, users, endpoints, and network access activity. It is useful for identifying trends, investigating past incidents, producing audit information, and reviewing usage over time. Access Tracker is better for examining a specific authentication transaction in detail, while Insight focuses on broader reporting. OnGuard checks endpoint posture, Guest manages visitor workflows, and Profiling identifies connected device types.

Question 87.

Which ClearPass feature is specifically designed to evaluate endpoint security posture?

1. Guest
   2. Insight
   3. OnGuard
   4. AirGroup

Correct Answer: 3. OnGuard

Explanation:

ClearPass OnGuard evaluates endpoint health and compliance. Depending on the deployment, it can inspect antivirus status, firewall configuration, operating-system conditions, required applications, and other posture criteria. The resulting posture status can become part of the authorization decision. A compliant endpoint may receive normal access, while a noncompliant endpoint can be placed into a remediation role until the required condition is corrected.

Question 88.

Which ClearPass feature is intended for visitor self-registration and sponsored guest access?

1. Insight
   2. OnGuard
   3. Endpoint Profiler
   4. ClearPass Guest**

Correct Answer: 4. ClearPass Guest

Explanation:

ClearPass Guest provides visitor-access workflows such as self-registration, sponsor approval, captive portals, temporary credential generation, and automatic account expiration. It allows organizations to give guests controlled access without creating permanent enterprise accounts. Guest users can be assigned specific roles and restrictions through ClearPass policy. Insight and OnGuard provide reporting and posture functions, while profiling identifies device types rather than creating visitor accounts.

Question 89.

Which protocol is commonly used by ClearPass to authenticate users against Microsoft Active Directory?

1. LDAP
   2. LLDP
   3. TFTP
   4. STP

Correct Answer: 1. LDAP

Explanation:

LDAP is commonly used for directory queries and can provide access to user and group attributes stored in directory services. ClearPass can integrate with Active Directory and other LDAP-compatible directories for authentication and authorization purposes. Directory attributes such as group membership can then be used in Role Mapping Policies and Enforcement Policies. LLDP discovers neighboring devices, TFTP transfers files, and STP prevents switching loops.

Question 90.

Which authentication method is most appropriate when strong certificate-based mutual authentication is required?

1. MAC Authentication
   2. EAP-TLS
   3. PAP
   4. Captive portal login

Correct Answer: 2. EAP-TLS

Explanation:

EAP-TLS uses digital certificates on both the client and authentication infrastructure to provide strong mutual authentication. The client proves possession of a private key, and the client can also validate the authentication server’s certificate. This reduces dependence on reusable passwords and provides strong resistance to credential theft. EAP-TLS requires a well-managed PKI for certificate issuance, renewal, revocation, and trust.

Question 91.

Which component issues and manages the certificates required by an EAP-TLS deployment?

1. DHCP server
   2. DNS server
   3. Public Key Infrastructure
   4. LLDP agent

Correct Answer: 3. Public Key Infrastructure

Explanation:

A Public Key Infrastructure, or PKI, provides the systems and processes used to issue, renew, validate, and revoke digital certificates. EAP-TLS relies on trusted certificates and private keys, so proper PKI management is essential. If certificates expire, are revoked, or chain to an untrusted authority, authentication may fail. DHCP, DNS, and LLDP serve network configuration, name resolution, and discovery functions rather than certificate lifecycle management.

Question 92.

Which condition would most likely cause an EAP-TLS authentication failure?

1. Correct VLAN assignment
   2. Proper DNS resolution
   3. Valid RADIUS reachability
   4. Expired client certificate**

Correct Answer: 4. Expired client certificate

Explanation:

EAP-TLS requires valid certificates, so an expired client certificate can cause authentication to fail even if the underlying network connectivity is working correctly. Other certificate-related issues include an untrusted issuing CA, revoked certificates, incorrect certificate usage, or incorrect device time. Access Tracker can help identify where the authentication process failed, while the endpoint certificate details should also be inspected.

Question 93.

Which method is commonly used for devices that cannot run an 802.1X supplicant?

1. MAC Authentication
   2. EAP-TLS only
   3. Kerberos only
   4. IPsec only

Correct Answer: 1. MAC Authentication

Explanation:

MAC Authentication is often used for endpoints that cannot support 802.1X, such as certain printers, IP phones, cameras, or IoT devices. The network access device submits the endpoint’s MAC address to ClearPass, which evaluates it against the Endpoint Repository and policy. Because a MAC address can be spoofed, this method is weaker than certificate-based authentication and should usually be combined with profiling, segmentation, restricted roles, and monitoring.

Question 94.

Which weakness is associated with MAC Authentication?

1. It requires a PKI
   2. MAC addresses can be spoofed
   3. It cannot work over Ethernet
   4. It always encrypts user traffic

Correct Answer: 2. MAC addresses can be spoofed

Explanation:

MAC addresses are visible on local networks and can be copied or changed by software, so they do not provide strong identity assurance. An attacker may attempt to impersonate an authorized endpoint by using its MAC address. For this reason, MAC Authentication should generally be combined with endpoint profiling, limited access permissions, monitoring, and other security controls. EAP-TLS provides stronger assurance because it relies on cryptographic certificates rather than easily copied identifiers.

Question 95.

Which ClearPass feature can automatically classify a device as a printer, phone, camera, or computer?

1. RADIUS Accounting
   2. Guest Registration
   3. Endpoint Profiling
   4. Enforcement Profile

Correct Answer: 3. Endpoint Profiling

Explanation:

Endpoint Profiling examines information collected from connected devices to infer their type and characteristics. ClearPass can use DHCP fingerprints, MAC vendor information, HTTP data, SNMP information, and other attributes to classify endpoints. That classification can then influence policy. For example, an IP camera may receive access only to video-management servers. Profiling adds valuable context, although it should not replace strong authentication when cryptographic identity assurance is required.

Question 96.

Where does ClearPass store information about discovered endpoints and their classifications?

1. RADIUS dictionary
   2. Guest portal
   3. Active Directory only
   4. Endpoint Repository**

Correct Answer: 4. Endpoint Repository

Explanation:

The Endpoint Repository stores device-related information such as MAC addresses, profiling classifications, status, and custom endpoint attributes. ClearPass can use this information in role mapping and enforcement decisions. For example, a known corporate printer can receive a different access policy from an unknown device with a similar profile. The repository therefore provides device context that complements user identity sources and authentication information.

Question 97.

Which ClearPass tool provides detailed troubleshooting information about a single authentication transaction?

1. Access Tracker
   2. Insight dashboard only
   3. Guest portal editor
   4. Endpoint cleanup

Correct Answer: 1. Access Tracker

Explanation:

Access Tracker provides detailed visibility into individual authentication and authorization transactions. Administrators can inspect request attributes, matched services, authentication results, role assignments, policy evaluation, and response attributes. It is one of the first tools to use when a client receives Access-Reject, the wrong VLAN, or an unexpected role. Insight is more appropriate for historical reporting, whereas Access Tracker explains how a particular request was processed in real time.

Question 98.

A user receives an unexpected Access-Reject. What should an administrator inspect first?

1. Wireless transmit power
   2. Access Tracker
   3. Switch STP priority
   4. DNS cache

Correct Answer: 2. Access Tracker

Explanation:

Access Tracker should be checked first because it reveals why ClearPass rejected the authentication attempt. It can show whether the request matched the expected service, whether authentication against the identity source succeeded, which attributes were available, and whether a policy condition caused the rejection. This prevents unnecessary troubleshooting of unrelated infrastructure. Wireless RF, STP, and DNS may affect connectivity in other situations, but they do not explain a RADIUS Access-Reject generated by ClearPass.

Question 99.

Which RADIUS feature allows ClearPass to reauthorize or disconnect a client that is already connected?

1. Access-Request
   2. Accounting-Start
   3. Change of Authorization
   4. DHCP Renewal

Correct Answer: 3. Change of Authorization

Explanation:

RADIUS Change of Authorization, or CoA, enables ClearPass to modify an existing network session after initial authentication. Depending on the access device, ClearPass can trigger reauthentication, change authorization, or disconnect the client. This is useful when posture status changes, a user’s role is modified, or an endpoint moves from remediation to normal access. CoA must be supported and correctly configured on both ClearPass and the network access device.

Question 100.

A client successfully authenticates, but receives an incorrect VLAN from ClearPass. Which configuration should be reviewed first?

1. NTP server settings
   2. Guest portal theme
   3. Certificate Authority hostname
   4. Role Mapping, Enforcement Policy, and Enforcement Profile**

Correct Answer: 4. Role Mapping, Enforcement Policy, and Enforcement Profile

Explanation:

If authentication succeeds but the wrong VLAN is assigned, the problem is most likely in the authorization workflow. Administrators should verify that the correct user or device attributes are mapped to the intended role, that the Enforcement Policy selects the correct action, and that the Enforcement Profile contains the expected VLAN attributes. Access Tracker can show each of these stages and the final RADIUS response. The switch or controller should also be checked to ensure it properly applies the returned VLAN assignment.