Cisco CCNP Security 300-725 Practice Test Questions and Exam Dumps Part12 Q221-240

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Question 221.

Which Secure Web Appliance capability is most appropriate for preventing users from reaching domains that have recently been associated with malware campaigns?

  1. Web reputation filtering
    2. HSRP tracking
    3. STP root guard
    4. DHCP relay

Correct Answer: 1

Explanation:

Web reputation filtering evaluates the trustworthiness of destinations using threat intelligence and observed behavior. A domain that was previously benign can become compromised or begin participating in malware campaigns, and reputation data can reflect that change more quickly than static allowlists. This makes reputation a valuable control alongside URL categorization. HSRP, STP, and DHCP relay are infrastructure technologies and do not assess the security reputation of web destinations.

Question 222.

Which Secure Web Appliance policy would be most useful for allowing access to social media while blocking file uploads to those services?

  1. Routing policy
    2. Application visibility and control
    3. DHCP policy
    4. NTP policy

Correct Answer: 2

Explanation:

Application visibility and control can distinguish between different functions within supported web applications. Instead of blocking an entire social media platform, administrators may allow browsing while restricting uploads, posting, or other actions. This provides more granular policy than simple URL filtering. Routing, DHCP, and NTP configuration do not inspect application behavior. This approach is useful when organizations want to support legitimate business use while limiting data-loss or malware risks.

Question 223.

Which Secure Web Appliance feature is best suited to identifying whether a specific request matched a custom URL category?

  1. Switch interface counters
    2. Power status page
    3. Policy trace or transaction logs
    4. ARP table

Correct Answer: 3

Explanation:

Policy trace and transaction logs provide direct visibility into how a request was evaluated. They can show the user, destination, category, reputation, matched policy, and resulting action. This makes them the best tools for confirming whether a custom URL category matched as expected. Interface counters and hardware status may help diagnose network or appliance health but do not explain application-layer policy decisions.

Question 224.

Which condition most strongly indicates that a custom URL category definition is too broad?

  1. Only the intended domain matches
    2. The proxy responds quickly
    3. Authentication succeeds
    4. Unrelated domains are matching the same category

Correct Answer: 4

Explanation:

If unrelated domains are being classified into the same custom category, the match expression is probably too broad. Common causes include incorrect wildcard usage, overly general domain strings, or pattern logic that matches more than intended. The category should be narrowed and retested. Because custom categories can influence access and decryption policies simultaneously, inaccurate matching can create widespread unexpected behavior.

Question 225.

Which security policy should be reviewed first when users can access a site but cannot download files from it?

  1. File-type or malware-related policy
    2. Spanning Tree policy
    3. HSRP configuration
    4. Interface duplex

Correct Answer: 1

Explanation:

If browsing works but downloads fail, the issue is likely related to a file control, malware verdict, content policy, or application-specific restriction rather than general site access. Administrators should review the transaction log to determine whether a file-type rule, reputation verdict, or malware action blocked the download. Network-layer technologies such as HSRP and STP do not normally distinguish web browsing from file transfer behavior.

Question 226.

Which action is most appropriate when a file is unknown but originates from a high-risk destination?

  1. Automatically trust the file
    2. Apply additional analysis such as sandboxing according to policy
    3. Disable malware inspection
    4. Ignore destination reputation

Correct Answer: 2

Explanation:

An unknown file from a high-risk destination deserves additional scrutiny. Sandboxing or advanced malware analysis can examine behavior before the file is considered trustworthy. Destination reputation and file reputation should be used together rather than independently. Automatically allowing unknown content can increase risk, especially when the source already has suspicious characteristics. Security policy should define how unknown verdicts are handled for different risk levels.

Question 227.

Which benefit does retrospective malware analysis provide after a file verdict changes?

  1. It helps identify previously exposed users or systems
    2. It automatically reimages endpoints
    3. It removes all network routes
    4. It disables DNS

Correct Answer: 1

Explanation:

Retrospective analysis helps defenders determine where a file was previously observed after its security verdict changes. This is valuable when a file was initially classified as unknown or clean and later becomes known as malicious. Security teams can identify affected users or endpoints and prioritize investigation. It does not automatically rebuild devices or alter network routing. Its primary value is historical visibility and improved incident response.

Question 228.

Which feature is most appropriate for preventing users from sending regulated data through web forms?

  1. Static routing
    2. VLAN pruning
    3. HSRP preemption
    4. Data loss prevention

Correct Answer: 4

Explanation:

DLP can inspect outbound web content and identify sensitive information such as regulated records, personal information, payment data, or intellectual property. It can then block or alert on unauthorized transmission through web forms, uploads, or other supported channels. Routing and redundancy technologies cannot inspect application payloads for sensitive content. DLP policies should be tuned carefully to reduce false positives while preserving protection.

Question 229.

Which identity information is most useful when an administrator wants to apply different web policies to employees and guests?

  1. Directory group or user identity
    2. Switch serial number
    3. Interface MTU
    4. Router hostname only

Correct Answer: 1

Explanation:

Directory group or user identity provides the context needed to distinguish employees, guests, contractors, and other user classes. The Secure Web Appliance can then apply different access or decryption rules based on organizational role. Network hardware characteristics such as serial numbers or MTU values do not identify the person generating the request. Identity-aware policy is especially important in shared or dynamically addressed environments.

Question 230.

Which condition may cause a user to receive the wrong access policy even though authentication succeeds?

  1. High interface bandwidth
    2. Incorrect directory group mapping
    3. Correct NTP time
    4. Healthy power supplies

Correct Answer: 2

Explanation:

Authentication success proves the user’s identity was accepted, but the wrong group mapping can still cause an incorrect access policy to be selected. Administrators should verify group membership returned by the directory service and confirm which policy references those groups. Transaction logs and policy trace tools can help identify the mismatch. Interface bandwidth and hardware status do not normally determine identity-based policy selection.

Question 231.

Which design is most appropriate when a web security appliance depends on an external directory service for authentication?

  1. Provide redundant directory services
    2. Use one directory server with no backup
    3. Disable monitoring
    4. Remove all fallback policy

Correct Answer: 1

Explanation:

Redundant directory services improve availability for identity-based web security. If the appliance cannot reach its identity source, authentication and group-based policy enforcement may be disrupted. Redundancy, monitoring, and clearly defined fallback behavior reduce the impact of a single server failure. Depending on one directory server creates an unnecessary single point of failure.

Question 232.

Which behavior is associated with a fail-open authentication design?

  1. All access is always denied
    2. Users may receive broader access when identity services are unavailable
    3. DNS is disabled
    4. TLS inspection stops permanently

Correct Answer: 2

Explanation:

Fail-open behavior prioritizes availability by allowing access when authentication or identity services cannot be reached. The security trade-off is that users may receive less restrictive or anonymous policy during the outage. Organizations should decide explicitly whether this is acceptable. A fail-closed design would instead deny or restrict access when identity cannot be verified. The chosen behavior should be documented and tested.

Question 233.

Which control allows the Secure Web Appliance to inspect malware hidden inside HTTPS traffic?

  1. TLS decryption
    2. Route summarization
    3. LACP
    4. DHCP snooping

Correct Answer: 1

Explanation:

TLS decryption makes encrypted application payloads visible to the web security appliance so malware scanning, file analysis, and content policies can be applied. Without decryption, the gateway may still see metadata such as destination information, but it cannot inspect the full encrypted payload. TLS inspection should be used according to privacy, regulatory, performance, and compatibility requirements.

Question 234.

Which condition most strongly suggests that HTTPS inspection is failing because clients do not trust the appliance’s signing CA?

  1. Only one URL category is blocked
    2. Widespread browser certificate warnings appear
    3. DNS lookups become faster
    4. Interface counters increase

Correct Answer: 2

Explanation:

Widespread certificate warnings after TLS inspection is enabled strongly suggest that the inspection CA is not trusted by client systems. The CA certificate should be distributed securely to managed endpoints and installed in the appropriate trust store. Administrators should not solve this problem by globally bypassing HTTPS inspection. The private key associated with the inspection CA must also be protected carefully.

Question 235.

Which TLS-related behavior is most likely if only one mobile application fails while normal browser traffic works through HTTPS inspection?

  1. Certificate pinning
    2. STP loop
    3. DHCP exhaustion
    4. HSRP failure

Correct Answer: 1

Explanation:

When normal browser traffic works but one application fails only during TLS interception, certificate pinning or another application-specific certificate validation method is a likely cause. Pinned applications may reject the dynamically generated certificates presented by the inspection gateway. The issue should be confirmed through logs and testing before creating a narrow decryption exception.

Question 236.

Which action is most appropriate after confirming that a critical application cannot operate through TLS inspection?

  1. Disable all web security
    2. Create a narrowly scoped bypass for that application
    3. Disable authentication globally
    4. Allow all HTTPS destinations without policy

Correct Answer: 2

Explanation:

A narrowly scoped decryption bypass preserves security inspection for the rest of the environment while restoring access to the application that cannot tolerate interception. The exception should be limited to specific destinations or other precise match criteria and should be reviewed periodically. Broadly disabling TLS inspection would unnecessarily reduce visibility and increase risk.

Question 237.

Which Cisco service is most appropriate for enforcing domain-based threat policy for roaming users?

  1. Cisco Umbrella
    2. Cisco APIC
    3. Cisco UCS Manager
    4. Cisco Unified Communications Manager

Correct Answer: 1

Explanation:

Cisco Umbrella provides cloud-delivered DNS-layer security that can protect roaming users when properly deployed. It can block malicious, phishing, or policy-restricted domains before a full connection is established. APIC, UCS Manager, and Unified Communications Manager serve unrelated infrastructure or collaboration functions. Umbrella is particularly valuable because it can extend security beyond the enterprise perimeter.

Question 238.

Which limitation should be considered when relying on DNS-layer security alone?

  1. It may not see connections that use direct IP addresses
    2. It automatically decrypts all HTTPS traffic
    3. It provides full endpoint remediation
    4. It eliminates the need for firewalls

Correct Answer: 1

Explanation:

DNS-layer security depends on DNS resolution being part of the connection process. Traffic sent directly to an IP address may bypass DNS-based controls. Attackers may also abuse trusted platforms or other mechanisms that reduce the effectiveness of simple domain blocking. Therefore, DNS security should be combined with secure web gateways, endpoint protection, firewalls, identity controls, and monitoring.

Question 239.

Which approach is best before enabling a major URL filtering change for all employees?

  1. Pilot the policy with a representative group and review the logs
    2. Deploy globally without validation
    3. Disable rollback capability
    4. Delete the old configuration

Correct Answer: 1

Explanation:

A pilot deployment limits blast radius and allows administrators to identify false positives, unexpected category matches, authentication issues, and application dependencies before broad rollout. Logs and user feedback provide evidence for tuning. A known-good configuration and rollback plan should also be maintained. Global untested policy changes can disrupt critical business access for a large user population.

Question 240.

After a new policy is deployed, only users in one directory group lose access to a required web service. What should the administrator investigate first?

  1. Replace the network hardware
    2. Disable URL filtering globally
    3. Verify group mapping and the policy rule matched by that group
    4. Turn off DNS security

Correct Answer: 3

Explanation:

When only one directory group is affected, the problem is most likely related to identity mapping or a group-specific policy. The administrator should verify which group memberships the appliance sees and which rule is applied to those users. Comparing affected users with working users can quickly expose a policy or directory mismatch. Broadly disabling unrelated security controls would weaken protection without addressing the likely root cause.