Cisco CCNP Security 300-725 Practice Test Questions and Exam Dumps Part2 Q21-40

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Question 21.

Which deployment mode requires the client browser or operating system to explicitly know the address of the proxy server?

  1. Explicit proxy
    2. Transparent proxy
    3. Layer 2 bridge only
    4. Passive monitoring

Correct Answer: 1

Explanation:

In an explicit proxy deployment, the client is configured to send web requests directly to the proxy server. This can be done manually, through centralized browser settings, or with a PAC file. Because the client knows the proxy address, the proxy receives requests intentionally rather than through network interception. Transparent proxy designs redirect web traffic without requiring explicit client-side proxy settings. Explicit proxy deployments can make user identification and policy behavior easier to understand, but administrators must ensure that proxy configuration is distributed correctly and that users cannot bypass the intended security controls.

Question 22.

Which technology is commonly used to redirect web traffic transparently to a Cisco Secure Web Appliance without configuring every browser manually?

  1. HSRP
    2. WCCP
    3. CDP
    4. LACP

Correct Answer: 2

Explanation:

Web Cache Communication Protocol, or WCCP, can redirect selected traffic from routers or other supported network devices to a web security appliance. This enables transparent proxy deployment because end users do not need to manually configure proxy settings in their browsers. WCCP can also support redundancy and load distribution depending on the deployment. HSRP provides first-hop gateway redundancy, CDP discovers neighboring Cisco devices, and LACP manages link aggregation. In secure web designs, WCCP is especially relevant when the organization wants centralized inspection without explicit endpoint proxy configuration.

Question 23.

Which benefit is provided by WCCP in a transparent web proxy design?

  1. It replaces user authentication completely
    2. It disables web filtering
    3. It can redirect selected client traffic to the web security appliance
    4. It converts HTTPS traffic into DNS queries

Correct Answer: 3

Explanation:

WCCP can redirect selected web traffic from a network device to a secure web proxy for inspection and policy enforcement. This allows organizations to deploy web security transparently, without requiring every client application to be configured with a proxy address. WCCP does not replace authentication, disable web filtering, or convert protocols. The actual traffic selected for redirection depends on the configured service and network design. Because transparent redirection can affect many users simultaneously, administrators should verify routing, failover, and bypass behavior carefully before production deployment.

Question 24.

Which proxy configuration method allows different destinations to use different proxy servers based on JavaScript-style logic?

  1. Static ARP
    2. DHCP snooping
    3. VLAN ACL
    4. PAC file

Correct Answer: 4

Explanation:

A PAC file uses scripting logic to determine whether a particular request should be sent directly or through one of several available proxy servers. The decision can consider destination hostname, domain, IP address, or network location. This makes PAC files more flexible than a single static proxy setting. They can also provide basic proxy failover by listing multiple proxies. Because PAC logic influences how client web traffic is routed, syntax errors or overly broad direct-access rules can unintentionally bypass security inspection.

Question 25.

Which Cisco Secure Web Appliance policy component is most appropriate for controlling user access to categories such as social networking, streaming media, or gambling?

  1. Access Policy
    2. Routing table
    3. Interface ACL only
    4. Spanning Tree policy

Correct Answer: 1

Explanation:

Access Policies on a secure web gateway are used to define how web requests should be handled for particular users, groups, destinations, URL categories, and other criteria. Administrators can allow, block, warn, or otherwise control web activity according to business requirements. This provides much more granular control than basic network-layer rules. Routing and Layer 2 controls determine how traffic moves through the network but do not provide category-aware web policy. Proper policy ordering is important because the first matching rule or relevant policy logic can determine how a request is handled.

Question 26.

Which source is most useful when the Secure Web Appliance must apply different policies to members of different Active Directory groups?

  1. Switch CAM table
    2. Directory-based identity integration
    3. NTP server
    4. ARP inspection database

Correct Answer: 2

Explanation:

Directory-based identity integration allows the Secure Web Appliance to associate requests with users and groups from systems such as Active Directory. This enables policies such as allowing one department access to a particular web category while blocking it for another. Identity-aware policy is much more precise than relying only on source IP addresses. Network tables and timing services do not provide the same user context. Authentication and identity services should be highly available because failures can influence both user experience and policy enforcement behavior.

Question 27.

A web gateway can identify the client’s IP address but not the username. Which feature is most directly required to enforce per-user web policies?

  1. Additional identity or authentication integration
    2. Route summarization
    3. Port-channel configuration
    4. QoS marking

Correct Answer: 1

Explanation:

Per-user policy requires the web gateway to map traffic to a user identity. If only an IP address is known, the appliance may be able to enforce network-based policy but cannot reliably distinguish users sharing systems or dynamic addressing. Authentication or identity integration can associate requests with usernames and directory groups. Depending on the design, this may involve explicit authentication, transparent identification, directory integration, or another identity mechanism. Routing, port channels, and QoS do not provide user identity.

Question 28.

Which authentication behavior is most desirable for users in a domain environment when the organization wants minimal browser prompts?

  1. Requiring manual credentials for every URL request
    2. Transparent or integrated authentication where supported
    3. Disabling all authentication
    4. Using only destination IP addresses

Correct Answer: 2

Explanation:

Transparent or integrated authentication can identify users without repeatedly asking them to type credentials into a browser. In domain environments, supported authentication mechanisms can use existing user sessions and directory context to provide a smoother experience. This improves policy enforcement while reducing user friction. Completely disabling authentication removes user-level visibility, while repeated prompts create usability problems and support burden. The exact authentication design should account for browser support, endpoint type, security requirements, and failover behavior.

Question 29.

Which web security capability is designed to evaluate the trustworthiness of a URL or domain based on observed threat activity?

  1. Web reputation
    2. VLAN pruning
    3. EtherChannel hashing
    4. STP root selection

Correct Answer: 1

Explanation:

Web reputation assigns a risk or trust assessment to web destinations based on threat intelligence and observed behavior. Security gateways can use this information to block or scrutinize destinations associated with malware, phishing, command-and-control infrastructure, or other suspicious activity. Reputation differs from simple category classification because a site may belong to a legitimate category but still have poor security reputation. Combining category and reputation data provides stronger policy decisions than relying on either alone.

Question 30.

A website belongs to the “Business” category but has a strongly negative reputation score. Which response is most appropriate?

  1. Always allow it because the category is legitimate
    2. Apply the configured reputation-based security policy
    3. Disable URL filtering
    4. Ignore the reputation score completely

Correct Answer: 2

Explanation:

URL category and security reputation address different questions. A destination may legitimately be categorized as Business while still being compromised, malicious, or associated with suspicious activity. The gateway should therefore apply the organization’s configured reputation policy rather than allowing the site solely because of its category. Reputation-based controls can block or further inspect destinations that represent elevated risk. Using multiple security signals reduces the chance that compromised legitimate websites will bypass protection.

Question 31.

Which function is most appropriate for blocking specific file types such as executable files from being downloaded through the web gateway?

  1. File-type control
    2. HSRP priority
    3. Port security
    4. DHCP relay

Correct Answer: 1

Explanation:

File-type control allows a secure web gateway to restrict downloads based on the type of content being transferred. An organization might block executables, scripts, or other high-risk file types while allowing documents required for normal work. File-type policy can complement malware scanning because not every potentially risky file will already have a malicious reputation. Network redundancy and Layer 2 access features do not inspect the type of content transferred through HTTP or HTTPS.

Question 32.

Which technology provides retrospective protection by allowing a file initially considered clean to be identified later as malicious?

  1. Static routing
    2. Cisco Advanced Malware Protection file tracking and retrospective analysis
    3. Spanning Tree
    4. DHCP snooping

Correct Answer: 2

Explanation:

Advanced malware protection can track files over time and use updated threat intelligence to identify files that were previously unknown or considered benign but later receive a malicious verdict. This retrospective capability is valuable because malware intelligence evolves after initial observation. Security teams can use file trajectory or related information to understand where a file was seen and which systems may require investigation. Traditional networking functions such as routing, STP, and DHCP snooping do not provide this kind of malware lifecycle visibility.

Question 33.

Which action is most appropriate when the web appliance encounters an unknown file that policy requires to be analyzed before being trusted?

  1. Submit it for sandbox or malware analysis
    2. Automatically classify it as safe
    3. Disable malware inspection
    4. Allow it because it has no known signature

Correct Answer: 1

Explanation:

An unknown file should not automatically be considered safe simply because no existing signature identifies it as malicious. Depending on policy, the secure web solution can submit suspicious or unknown files to a sandbox or advanced malware analysis service. Behavioral analysis can reveal malicious actions that traditional signatures miss. The final enforcement action may depend on the organization’s risk tolerance and available inspection capabilities. Unknown status should be treated as a reason for additional analysis rather than automatic trust.

Question 34.

Which HTTPS inspection challenge occurs when an application validates the server certificate more strictly than a normal browser and rejects proxy-generated certificates?

  1. DNS recursion
    2. Certificate pinning
    3. DHCP exhaustion
    4. ARP spoofing

Correct Answer: 2

Explanation:

Certificate pinning occurs when an application expects a specific certificate or public key rather than merely trusting any certificate signed by a recognized CA. TLS inspection devices generate substitute certificates during decryption, so applications using certificate pinning may detect the substitution and refuse the connection. Administrators may need to bypass decryption for such applications if inspection cannot be supported safely. DNS, DHCP, and ARP attacks do not explain this TLS compatibility issue.

Question 35.

Which policy design is most appropriate when a financial services website must remain encrypted end-to-end because organizational policy prohibits decryption?

  1. Create a narrowly defined TLS decryption bypass for the approved category or destination
    2. Disable HTTPS for all users
    3. Bypass every website from inspection
    4. Disable the web proxy

Correct Answer: 1

Explanation:

A narrowly scoped TLS decryption bypass preserves end-to-end encryption for destinations that should not be decrypted because of privacy, compliance, or technical requirements. The exception can be based on category or specific destination, depending on policy. Broadly bypassing all HTTPS traffic would remove substantial security visibility. Exceptions should be documented and reviewed periodically to ensure they remain justified. Even when content is not decrypted, other metadata and reputation-based controls may still provide some protection.

Question 36.

Which log field is most useful when determining why a user’s request was blocked by a secure web gateway?

  1. Switch serial number
    2. The policy or rule that matched the request
    3. Server rack location
    4. Access point channel

Correct Answer: 2

Explanation:

The matched policy or rule provides direct insight into why the secure web gateway allowed, blocked, warned, or otherwise handled a request. Investigators should also review user identity, URL, category, reputation, timestamp, malware verdict, and authentication context. This makes access logs valuable for troubleshooting false positives and validating policy behavior. Hardware inventory and wireless-channel information generally do not explain a web-policy decision.

Question 37.

Which logging architecture is most appropriate when an organization wants centralized long-term analysis of Secure Web Appliance events?

  1. Forward relevant logs to a SIEM or centralized logging platform
    2. Disable all logging after one day
    3. Store events only in browser history
    4. Rely only on user screenshots

Correct Answer: 1

Explanation:

Forwarding web security logs to a SIEM or centralized logging platform improves retention, correlation, threat hunting, compliance reporting, and incident investigation. Analysts can combine web events with endpoint, DNS, firewall, and identity data to reconstruct broader attack sequences. Depending solely on local appliance logs can limit retention and cross-platform visibility. Browser history and screenshots are incomplete and easily altered. Centralized logging also helps detect repeated patterns across multiple users and appliances.

Question 38.

Which capability is most useful for identifying command-and-control traffic to known malicious domains before an HTTP session is fully established?

  1. DNS-layer security
    2. Spanning Tree
    3. Port aggregation
    4. HSRP

Correct Answer: 1

Explanation:

DNS-layer security can block name resolution for known malicious domains before a client establishes the subsequent HTTP, HTTPS, or other application session. This creates an early enforcement point and can prevent malware from reaching command-and-control infrastructure. Cisco Umbrella is associated with this type of protection. Network redundancy and Layer 2 technologies do not evaluate domain reputation. DNS-layer controls are especially valuable for roaming endpoints because protection can continue outside the enterprise perimeter when properly deployed.

Question 39.

Which operational approach is best when a new web policy must be introduced for thousands of users with minimal risk?

  1. Test the policy with a limited pilot group before broad deployment
    2. Apply it to all users immediately without validation
    3. Disable logging during rollout
    4. Remove the previous configuration before testing

Correct Answer: 1

Explanation:

A pilot deployment limits the blast radius of unexpected policy behavior. Administrators can apply the new rule to a small, representative group, monitor access logs and user impact, and correct issues before expanding it to the entire organization. This is especially important for authentication, TLS decryption, URL filtering, and malware policies because mistakes can disrupt business-critical applications. Logging should remain enabled throughout the rollout so the security team can validate outcomes objectively.

Question 40.

A business-critical web application stops working immediately after TLS inspection is enabled. What is the most appropriate troubleshooting step?

  1. Disable every web security control permanently
    2. Block the application completely
    3. Determine whether certificate validation, pinning, or another TLS compatibility issue is causing the failure, then apply the narrowest appropriate exception
    4. Remove all user authentication

Correct Answer: 3

Explanation:

When an application fails only after TLS decryption is enabled, the security team should investigate certificate trust, certificate pinning, unsupported TLS behavior, client compatibility, or another decryption-related issue. Logs and connection testing can help isolate the cause. If decryption cannot be supported, the safest operational solution is usually a narrowly scoped bypass for the affected application rather than disabling inspection globally. This preserves security coverage for other traffic while restoring required business functionality.