Cisco CCNP Security 300-725 Practice Test Questions and Exam Dumps Part1 Q1-20

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Question 1.

Which Cisco security technology is primarily associated with secure web access and protection against web-based threats?

  1. Cisco Secure Web Appliance
    2. Cisco Unified Communications Manager
    3. Cisco UCS Manager
    4. Cisco DNA Spaces

Correct Answer: 1

Explanation:

Cisco Secure Web Appliance is designed to protect users from web-based threats by controlling and inspecting web traffic. It can enforce acceptable-use policies, filter URLs, inspect content, and help block malicious websites or downloads. It can also integrate with other Cisco security technologies and threat-intelligence services to improve detection. Cisco Unified Communications Manager focuses on collaboration services, Cisco UCS Manager manages computing infrastructure, and Cisco DNA Spaces is associated with location and wireless-related services. For web security exam scenarios, Secure Web Appliance is the relevant platform when the question involves proxy-based web filtering, malware protection, URL categorization, or policy enforcement.

Question 2.

Which Cisco security service is primarily designed to provide DNS-layer protection by blocking requests to malicious domains?

  1. Cisco ISE
    2. Cisco Umbrella
    3. Cisco UCS Director
    4. Cisco Prime Infrastructure

Correct Answer: 2

Explanation:

Cisco Umbrella provides DNS-layer security and can block requests to domains associated with malware, phishing, command-and-control infrastructure, and other threats before a connection is fully established. By enforcing policy at the DNS layer, Umbrella can provide protection even when users are outside the corporate network, depending on deployment design. Cisco ISE is primarily used for identity and network access control. UCS Director is associated with data center orchestration, while Prime Infrastructure is a network management platform. Umbrella is therefore the best answer when the scenario focuses on malicious-domain resolution or cloud-delivered DNS security.

Question 3.

Which deployment method allows a secure web gateway to inspect client web traffic without requiring users to manually configure proxy settings in their browsers?

  1. Explicit proxy only
    2. Local PAC file only
    3. Transparent proxy deployment
    4. Static ARP inspection

Correct Answer: 3

Explanation:

In a transparent proxy deployment, client traffic is redirected to the secure web gateway without requiring users to manually configure proxy settings in each browser. This can simplify deployment and reduce user configuration requirements. Explicit proxy deployments, by contrast, typically require the browser or operating system to know where the proxy is located, often through a manually configured proxy or PAC file. Transparent redirection may be implemented through network mechanisms that intercept or redirect relevant traffic. ARP inspection is a Layer 2 security feature and is unrelated to web proxy configuration.

Question 4.

Which file is commonly used to automatically tell a web browser which proxy server should be used for a given URL?

  1. XML schema file
    2. Syslog configuration file
    3. DHCP lease file
    4. PAC file

Correct Answer: 4

Explanation:

A Proxy Auto-Configuration, or PAC, file contains logic that tells a web browser whether a request should use a proxy and, if so, which proxy server should handle the traffic. PAC files can evaluate destination domains, IP addresses, network location, or other conditions. They are commonly used in explicit-proxy environments because they reduce the need to manually configure static proxy settings on every client. Syslog and DHCP files serve unrelated purposes. PAC logic should be tested carefully because errors can cause users to bypass the intended proxy or lose access to required web resources.

Question 5.

Which feature allows a secure web appliance to classify websites into categories such as social media, gambling, or malware?

  1. URL categorization
    2. DHCP snooping
    3. Route redistribution
    4. Port aggregation

Correct Answer: 1

Explanation:

URL categorization classifies websites into predefined categories based on their content and reputation. Security administrators can then create policies to allow, block, warn, or monitor access by category. For example, an organization might block malware and phishing categories while allowing business-related websites. Categorization can also support compliance and acceptable-use policies. DHCP snooping, route redistribution, and port aggregation are network functions unrelated to web content classification. URL categorization is a core capability of secure web gateways because it allows security policy to be expressed at a business-relevant level rather than relying only on individual domain names.

Question 6.

Which security control is most directly used to prevent users from downloading known malicious files through a web proxy?

  1. VLAN pruning
    2. File reputation and malware analysis
    3. STP root protection
    4. HSRP tracking

Correct Answer: 2

Explanation:

File reputation and malware analysis can identify suspicious or known malicious files being downloaded through a secure web gateway. Reputation systems compare file hashes or characteristics against threat-intelligence databases, while deeper analysis may inspect file behavior or submit unknown files for sandbox analysis. This allows the security platform to block or quarantine malicious content before it reaches the user. VLAN pruning, STP protection, and HSRP tracking are network operations and do not provide malware detection. File inspection is especially useful against web-delivered malware, which remains a common initial-access vector.

Question 7.

Which security technology analyzes suspicious files in an isolated environment to observe their behavior?

  1. DNS cache
    2. Network Time Protocol
    3. Sandbox analysis
    4. DHCP relay

Correct Answer: 3

Explanation:

Sandbox analysis executes or opens suspicious content inside an isolated environment so its behavior can be observed safely. The system can monitor actions such as process creation, file modification, registry changes, network connections, or attempts to evade detection. This is useful for identifying previously unknown malware that may not yet have a known signature. DNS, NTP, and DHCP functions do not perform behavioral malware analysis. Sandboxing is often used alongside file reputation because reputation can identify known threats quickly, while sandbox analysis provides deeper inspection for unknown or suspicious files.

Question 8.

Which security principle is demonstrated when a web security policy allows users to access only the web categories required for their job functions?

  1. Route summarization
    2. Network convergence
    3. Load balancing
    4. Least privilege

Correct Answer: 4

Explanation:

Least privilege means users should receive only the access required to perform their legitimate responsibilities. Applying this principle to web security can involve permitting only necessary categories, applications, or destinations and restricting unnecessary or risky access. This reduces the attack surface and limits exposure to potentially harmful content. Route summarization, convergence, and load balancing are networking concepts. Least privilege is broadly applicable across identity, network access, application permissions, and web policies, and it is an important principle when designing security controls for different groups or user roles.

Question 9.

Which identity source can a secure web gateway commonly integrate with to apply different policies to different users or groups?

  1. Directory service such as Active Directory
    2. ARP cache only
    3. Spanning Tree database
    4. MAC address table only

Correct Answer: 1

Explanation:

Integration with a directory service such as Microsoft Active Directory allows a secure web gateway to identify users and group memberships and apply policies accordingly. For example, finance users might receive different access controls from guest users or administrators. Identity-based policy is more flexible than relying solely on source IP addresses, especially in dynamic enterprise environments. ARP, spanning-tree, and MAC address tables provide network-level information but do not provide the same user and group context. Directory integration is therefore important for implementing role-based web access policies.

Question 10.

Which action is most appropriate when an organization wants to inspect HTTPS traffic for malware and policy violations?

  1. Disable DNS
    2. Configure TLS decryption where permitted and appropriate
    3. Disable authentication
    4. Block all TCP traffic

Correct Answer: 2

Explanation:

HTTPS encrypts application data, so a security gateway cannot inspect the full content unless TLS decryption or another approved inspection method is used. With TLS decryption, the gateway can decrypt the session, apply malware and policy inspection, and then establish a separate encrypted connection to the destination. Organizations must consider privacy, legal, performance, certificate, and application-compatibility requirements before enabling decryption. Disabling DNS or authentication does not solve encrypted-content visibility, while blocking all TCP traffic would disrupt legitimate services. Decryption should be applied according to policy and appropriate exemptions.

Question 11.

What is the primary purpose of a certificate authority certificate installed on client devices for HTTPS inspection?

  1. Allow clients to trust certificates dynamically generated by the inspection device
    2. Increase network bandwidth
    3. Replace DNS resolution
    4. Disable web filtering

Correct Answer: 1

Explanation:

During HTTPS inspection, the security appliance may dynamically generate a certificate representing the destination website to the client. The client must trust the certificate authority that signs this generated certificate; otherwise, browsers will display certificate warnings. Installing the organization’s inspection CA certificate into the trusted certificate store allows the TLS inspection process to function transparently. This does not increase bandwidth or replace DNS. Certificate management must be handled carefully because trust in the inspection CA is powerful and should be protected using appropriate security controls.

Question 12.

Which HTTPS traffic is commonly exempted from TLS decryption because of privacy or regulatory considerations?

  1. All software update traffic automatically
    2. Selected sensitive categories such as financial or healthcare sites, according to policy
    3. Every website using TCP port 443
    4. All internal traffic without review

Correct Answer: 2

Explanation:

Organizations often exempt selected sensitive categories from TLS decryption because inspecting those sessions may create privacy, regulatory, or legal concerns. Examples may include financial, healthcare, or other protected categories, depending on organizational policy and jurisdiction. Exemptions should be explicit and risk-based rather than applied indiscriminately. Exempting every HTTPS site would remove most inspection visibility, while decrypting everything may be inappropriate. A balanced decryption policy considers security benefits, privacy requirements, technical compatibility, and organizational obligations.

Question 13.

Which log source would be most useful for determining which user attempted to browse to a blocked malicious URL?

  1. Secure web gateway access logs
    2. Switch spanning-tree logs
    3. DHCP pool statistics only
    4. UPS event logs

Correct Answer: 1

Explanation:

Secure web gateway access logs typically record information such as user identity, source address, requested URL, destination category, policy action, timestamp, and sometimes transferred bytes or malware verdicts. This makes them the most useful source for investigating blocked web activity. Network infrastructure logs may provide supporting context but usually do not contain the same URL and user details. Correlating web logs with identity and endpoint telemetry can help determine whether the request was accidental, user-initiated, or generated by malware running on the endpoint.

Question 14.

Which policy action allows a user to continue to a website only after acknowledging a warning page?

  1. Drop
    2. Warn
    3. Quarantine endpoint
    4. Route reject

Correct Answer: 2

Explanation:

A warning action presents the user with a notification explaining that the requested site may violate policy or present risk, while still allowing the user to continue after acknowledging the warning. This can be useful for categories where outright blocking is not required but the organization wants users to make a conscious decision. A block action denies access entirely. Quarantine and route rejection are different controls. Warning policies should be used carefully because they rely partly on user judgment and are not appropriate for clearly malicious destinations.

Question 15.

Which Cisco security platform is most appropriate for enforcing DNS-layer policy for roaming users who are outside the corporate network?

  1. Cisco Umbrella
    2. Cisco UCS Manager
    3. Cisco Prime Infrastructure
    4. Cisco APIC

Correct Answer: 1

Explanation:

Cisco Umbrella can extend DNS-layer security to roaming users, allowing policy enforcement even when devices are outside the corporate network, depending on the deployed client or integration method. This helps protect users against malicious domains when they are working from home, traveling, or using public networks. UCS Manager and APIC are infrastructure management platforms, while Prime Infrastructure is associated with network management. Umbrella is designed for cloud-delivered security and can combine DNS protection with additional web security capabilities depending on the service configuration.

Question 16.

Which DNS response behavior is most consistent with a security service blocking access to a known malicious domain?

  1. Returning the attacker’s real IP address without policy enforcement
    2. Increasing the TTL to several days automatically
    3. Disabling the client’s network interface
    4. Returning a blocked or policy-controlled response instead of the malicious destination

Correct Answer: 4

Explanation:

DNS-layer security works by evaluating a requested domain before the client connects to the destination. If the domain violates security policy, the service can return a policy-controlled response rather than the malicious destination’s normal IP address. This prevents or redirects the connection before the full session is established. The exact response can vary by service and policy. DNS security does not normally disable the client’s interface, and simply returning the malicious IP would defeat the protective purpose. Blocking at DNS resolution provides an early control point in the connection process.

Question 17.

Which web security feature helps prevent employees from uploading sensitive information to unauthorized websites?

  1. Data loss prevention controls
    2. HSRP tracking
    3. Spanning Tree guard
    4. EtherChannel

Correct Answer: 1

Explanation:

Data loss prevention, or DLP, controls can inspect outbound content and detect sensitive data such as financial information, personally identifiable information, intellectual property, or other protected content. A secure web solution can use DLP policy to block, monitor, or otherwise control uploads to web applications or destinations. HSRP, STP, and EtherChannel are networking technologies and do not inspect application data for sensitive content. DLP is especially important when users have legitimate web access but should not be able to transfer protected information outside approved business channels.

Question 18.

Which security capability is most useful for preventing access to a newly discovered malicious domain before a traditional signature update is deployed?

  1. Static VLAN configuration
    2. Cloud-based threat intelligence and reputation
    3. Port aggregation
    4. Local ARP inspection only

Correct Answer: 2

Explanation:

Cloud-based threat intelligence and reputation services can update rapidly as malicious domains, URLs, and IP addresses are discovered. Security gateways can use those updated verdicts to block dangerous destinations without waiting for a traditional endpoint signature package. This is especially valuable for phishing and command-and-control infrastructure that changes frequently. VLAN configuration and ARP inspection address different network concerns. Reputation is not perfect and should be combined with behavioral, content, and policy controls, but it provides a highly scalable way to respond quickly to changing threats.

Question 19.

Which deployment design provides redundancy if one web security appliance becomes unavailable?

  1. Use multiple appliances or proxy paths with appropriate failover design
    2. Configure a single appliance with no bypass or redundancy
    3. Disable health monitoring
    4. Place all clients on one unmanaged switch

Correct Answer: 1

Explanation:

High availability for web security requires redundancy so traffic can continue if one appliance or path fails. Depending on architecture, organizations may deploy multiple secure web appliances, load balancing, proxy failover, redundant network paths, or PAC logic that references multiple proxies. Health monitoring should remain enabled so failed components can be detected and traffic redirected appropriately. A single appliance without failover introduces a potential single point of failure. Security controls should be designed to balance protection with availability requirements.

Question 20.

A secure web gateway blocks a business-critical site because it has been placed in the wrong URL category. What is the best operational response?

  1. Disable all web security controls permanently
    2. Allow every site in the same category
    3. Validate the classification and create a narrowly scoped exception or recategorization request if justified
    4. Remove identity integration

Correct Answer: 3

Explanation:

When a legitimate business site is incorrectly categorized, the security team should validate the destination and business requirement first. If access is appropriate, a narrowly scoped exception can restore access while minimizing exposure, and the site can be submitted for recategorization where supported. Disabling all controls or allowing an entire category would create unnecessary risk. Removing identity integration would also weaken policy precision. Exceptions should be documented, limited in scope, reviewed periodically, and removed when no longer required.