Juniper JN0-336 Practice Test Questions and Exam Dumps Part4 Q61-80

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Question 61.

Which feature can enforce URL category policies?

  1. Web filtering
  2. Route reflection
  3. Tunnel monitoring
  4. Address translation

Correct Answer: 1

Explanation:

Web filtering can enforce policies based on URL categories, allowing administrators to control access to groups of websites according to organizational requirements. Categories can represent types of content or destinations, and policies can determine whether access is permitted, blocked, logged, or otherwise handled. Route reflection is a BGP mechanism, tunnel monitoring concerns VPN or tunnel status, and address translation modifies packet addressing. Category-based web controls provide a more manageable approach than maintaining large lists of individual websites. Administrators should consider classification accuracy, policy scope, exceptions, logging, and user requirements when implementing web-filtering controls.

Question 62.

What does UTM primarily combine on SRX?

  1. Routing protocols
  2. Multiple security services
  3. Physical interfaces
  4. Storage partitions

Correct Answer: 2

Explanation:

Unified Threat Management (UTM) combines multiple security services within a coordinated security framework on supported SRX platforms. Depending on the platform and configuration, these services can include functions such as antivirus, antispam, web filtering, and related security controls. Routing protocols perform path calculation and route exchange, physical interfaces provide connectivity, and storage partitions manage device resources. Combining security services can simplify policy administration and provide layered protection at a network security boundary. Administrators should understand platform capabilities, licensing requirements, resource considerations, and service interactions before enabling multiple UTM functions simultaneously.

Question 63.

Which mechanism can inspect DNS requests for malicious domains?

  1. Link aggregation
  2. Screen logging
  3. DNS security
  4. Route filtering

Correct Answer: 3

Explanation:

DNS security mechanisms can inspect DNS-related activity and help identify or control requests associated with malicious domains. DNS is frequently involved in attacks because compromised systems may use malicious domains for command-and-control communication, phishing, malware delivery, or redirection. Link aggregation combines network links, screen logging records security events, and route filtering controls route advertisements or selection. DNS security can therefore provide an additional control layer by evaluating domain-related information before or during connection establishment. Administrators should consider policy scope, threat intelligence sources, logging, and legitimate DNS behavior when deploying DNS-based security controls.

Question 64.

Which configuration controls antivirus scanning behavior?

  1. Routing instance
  2. AV profile
  3. Chassis role
  4. IKE gateway

Correct Answer: 4

Explanation:

An antivirus profile controls antivirus scanning behavior within the applicable security configuration. It can define how supported traffic or files are inspected and how detected malicious content is handled according to the configured security policy. Routing instances separate routing information, chassis roles relate to high-availability operation, and IKE gateways define VPN peer relationships. Antivirus configuration should be aligned with the traffic types that need inspection and the organization’s security requirements. Administrators should also consider performance, file-size limitations, logging, signature updates, and appropriate actions when configuring antivirus inspection on an SRX device.

Question 65.

What does antispam inspection primarily evaluate?

  1. Email messages
  2. Routing updates
  3. VPN selectors
  4. Interface descriptions

Correct Answer: 1

Explanation:

Antispam inspection primarily evaluates email messages to identify characteristics associated with unwanted or malicious email. Spam controls can use configured detection methods and security intelligence to classify messages and apply appropriate handling. Routing updates communicate reachability information, VPN selectors identify protected traffic, and interface descriptions document network interfaces. Antispam functionality can form part of a broader UTM deployment where multiple security services are applied to relevant traffic. Administrators should understand supported protocols, inspection limitations, update mechanisms, and policy actions when deploying antispam protection so that unwanted messages are addressed without unnecessarily affecting legitimate email.

Question 66.

Which component defines a web-filtering decision?

  1. Routing policy
  2. URL filtering profile
  3. VPN proposal
  4. Cluster group

Correct Answer: 2

Explanation:

A URL filtering profile defines how web destinations or URL categories should be handled according to configured filtering rules. The profile can be associated with the appropriate security configuration so that web requests receive the intended treatment. Routing policies determine forwarding behavior, VPN proposals define cryptographic negotiation parameters, and cluster groups relate to high-availability organization. URL filtering profiles help administrators implement consistent web-access controls without individually specifying every destination. Effective deployment requires suitable category definitions, exception handling, logging, and policy association so that legitimate business requirements remain accessible while restricted content receives the configured action.

Question 67.

What does a custom URL category contain?

  1. Physical interfaces
  2. IPsec proposals
  3. Administrator-defined URLs
  4. Routing neighbors

Correct Answer: 3

Explanation:

A custom URL category contains URLs or web destinations defined by administrators for a particular filtering requirement. Custom categories can be useful when predefined classification does not adequately represent organization-specific destinations, approved resources, or restricted websites. Physical interfaces provide network connectivity, IPsec proposals define VPN parameters, and routing neighbors participate in route exchange. Custom categories can make security policies more precise because administrators can group selected destinations under a meaningful classification and apply consistent treatment. Proper maintenance is important because websites and organizational requirements can change, making periodic review of custom entries necessary.

Question 68.

Which service helps block known malicious IP addresses?

  1. Threat intelligence
  2. Link aggregation
  3. Route summarization
  4. Interface monitoring

Correct Answer: 4

Explanation:

Threat intelligence can help identify known malicious IP addresses and provide information that security controls can use for blocking or other protective actions. Intelligence sources may contain indicators associated with malware infrastructure, command-and-control systems, compromised hosts, or other known threats. Link aggregation improves network availability or capacity, route summarization reduces routing-table size, and interface monitoring provides operational status information. Threat-intelligence integration can therefore extend security visibility beyond locally observed traffic. Administrators should validate intelligence sources, update mechanisms, confidence levels, and policy behavior to reduce the possibility of blocking legitimate addresses.

Question 69.

What does a security intelligence policy match?

  1. Threat indicators
  2. Interface speeds
  3. User passwords
  4. Chassis temperatures

Correct Answer: 1

Explanation:

A security intelligence policy can match threat indicators provided through configured intelligence sources. Indicators may represent information associated with known malicious activity, such as addresses, domains, or other supported indicators. Matching traffic against intelligence allows the SRX environment to apply security actions based on information about known threats. Interface speeds describe network performance, user passwords belong to authentication systems, and chassis temperatures relate to hardware monitoring. Security intelligence should complement other controls rather than replace them. Administrators should review indicator quality, update frequency, policy actions, and logging so that intelligence-based enforcement remains accurate and operationally useful.

Question 70.

Which mechanism protects DNS infrastructure from query floods?

  1. Certificate pinning
  2. DNS flood protection
  3. Application labeling
  4. Route redistribution

Correct Answer: 2

Explanation:

DNS flood protection is intended to help protect DNS infrastructure against excessive volumes of queries that may consume resources or degrade availability. Flooding can be used as a denial-of-service technique, making rate control and traffic inspection important components of defensive design. Certificate pinning relates to TLS trust, application labeling identifies traffic, and route redistribution exchanges routing information between routing domains. DNS protection should be tuned according to expected legitimate query patterns so that defensive controls do not unnecessarily block normal activity. Monitoring query rates and related security events can help administrators identify abnormal traffic and adjust protection settings appropriately.

Question 71.

What does an antivirus signature update provide?

  1. New detection knowledge
  2. Additional IP addresses
  3. Extra routing instances
  4. New security zones

Correct Answer: 3

Explanation:

Antivirus signature updates provide new detection knowledge that enables antivirus inspection to recognize additional malicious files or updated threat patterns. Threat actors continually modify malware, so current detection information is important for maintaining effective protection. IP addresses, routing instances, and security zones are separate network or security configuration elements and are not created by antivirus signature updates. Administrators should ensure that signature updates occur through supported mechanisms and that update status is monitored. Keeping detection information current is particularly important when antivirus inspection forms part of a broader security policy designed to identify malicious content before it reaches protected systems.

Question 72.

Which profile determines how detected malware is handled?

  1. Route policy
  2. Malware action profile
  3. Interface group
  4. IKE policy

Correct Answer: 4

Explanation:

A malware action profile determines the response applied when malware is detected, according to the relevant security feature and configuration. Depending on the implementation, actions may include blocking, logging, quarantining, or other supported responses. Route policies control forwarding decisions, interface groups organize connectivity, and IKE policies govern VPN negotiation. Defining explicit malware-handling behavior is important because detection alone does not determine what happens to the suspicious content. Administrators should align actions with risk tolerance, operational requirements, incident-response procedures, and acceptable business impact while ensuring that the configured profile is correctly associated with the intended inspection policy.

Question 73.

What is the purpose of a security policy exception?

  1. Override selected matching behavior
  2. Increase routing convergence
  3. Change interface hardware
  4. Generate VPN keys

Correct Answer: 1

Explanation:

A security policy exception can override selected matching behavior for traffic that requires treatment different from the general policy. Exceptions are useful when legitimate applications, trusted destinations, special users, or operational requirements need a carefully controlled deviation. Routing convergence concerns how quickly routing protocols adapt to changes, interface hardware is physical infrastructure, and VPN keys support cryptographic protection. Exceptions should be narrowly defined and documented because overly broad exclusions can weaken security controls. Administrators should review source, destination, application, service, schedule, logging, and associated risk when creating or maintaining policy exceptions.

Question 74.

Which feature can identify encrypted application traffic?

  1. Address translation
  2. App identification
  3. Route preference
  4. DHCP relay

Correct Answer: 2

Explanation:

Application identification can help classify traffic according to application characteristics, including supported encrypted application traffic where sufficient information is available. This provides greater visibility than relying exclusively on traditional port-based classification. Address translation modifies packet addressing, route preference influences route selection, and DHCP relay forwards DHCP messages between network segments. Application identification can improve policy precision and monitoring by allowing administrators to distinguish different applications that may use similar transport protocols. Its effectiveness depends on supported application signatures, available traffic information, and the configuration of the relevant inspection and security features.

Question 75.

What does a captive portal primarily require from users?

  1. Route advertisement
  2. Identity verification
  3. IPsec negotiation
  4. File scanning

Correct Answer: 3

Explanation:

A captive portal can require users to complete an identity verification or authentication process before receiving access to protected network resources. This approach is commonly used for guest access, controlled network entry, or environments where users must acknowledge terms or provide credentials before connectivity is permitted. Route advertisement distributes routing information, IPsec negotiation establishes VPN security associations, and file scanning examines content for threats. Captive-portal designs should consider authentication sources, session duration, access policies, user experience, and security requirements. Proper configuration helps ensure that access is granted only after the required verification step is successfully completed.

Question 76.

Which control can limit access based on authenticated users?

  1. Identity-aware policy
  2. Route aggregation
  3. Interface shaping
  4. Certificate renewal

Correct Answer: 4

Explanation:

An identity-aware policy can limit access based on authenticated users or groups rather than relying solely on network addresses. This enables organizations to express access requirements according to user identity and organizational membership. Route aggregation combines routes, interface shaping controls traffic behavior or bandwidth, and certificate renewal maintains certificate validity. Identity-aware access can provide more granular control in environments where users move between locations or receive dynamically assigned addresses. Reliable implementation depends on accurate identity information, appropriate authentication integration, policy configuration, and mechanisms that keep user-to-address associations current.

Question 77.

What does traffic logging help establish during troubleshooting?

  1. Observed connection behavior
  2. Certificate ownership
  3. Hardware warranty status
  4. Employee training history

Correct Answer: 1

Explanation:

Traffic logging helps establish observed connection behavior by recording relevant information about sessions, policy matches, applications, addresses, services, timestamps, and configured actions. This evidence can help administrators understand why traffic was permitted or denied and identify unexpected communication patterns. Certificate ownership is handled through certificate management, hardware warranty status is an administrative matter, and employee training history is unrelated to traffic analysis. Effective logging is particularly useful when troubleshooting intermittent access problems or validating security-policy changes. Administrators should configure appropriate log collection and retention while balancing investigation needs against storage and performance considerations.

Question 78.

Which mechanism can enforce bandwidth limits for traffic classes?

  1. IDP signatures
  2. Traffic shaping
  3. DNS filtering
  4. User authentication

Correct Answer: 2

Explanation:

Traffic shaping can enforce bandwidth limits or influence how traffic classes consume available network capacity. It can help prioritize important applications, control resource-intensive traffic, and manage congestion according to defined policies. IDP signatures detect attack patterns, DNS filtering controls domain-related requests, and user authentication verifies identity. Traffic shaping should be designed around actual application requirements and available bandwidth so that critical services receive suitable treatment without unnecessarily restricting legitimate activity. Monitoring traffic behavior after implementation is important because incorrect classifications or limits can affect application performance and user experience.

Question 79.

What should a UTM policy associate with inspected traffic?

  1. Appropriate security services
  2. Physical rack positions
  3. Routing neighbor names
  4. Device serial labels

Correct Answer: 3

Explanation:

A UTM policy should associate inspected traffic with the appropriate security services required for the organization’s protection objectives. Depending on the supported platform and configuration, this may involve antivirus, antispam, web filtering, or other available inspection capabilities. Physical rack positions, routing neighbor names, and device serial labels are administrative or infrastructure information rather than inspection services. Correct association ensures that traffic receives the intended security processing. Administrators should evaluate the traffic direction, applicable protocols, performance impact, service compatibility, and policy scope when deciding which UTM services should be applied to particular traffic flows.

Question 80.

Which mechanism helps identify applications using dynamic ports?

  1. Static NAT
  2. Application signatures
  3. Default routing
  4. Security zones

Correct Answer: 4

Explanation:

Application signatures can identify applications even when they do not consistently rely on a single well-known port. This is important because modern applications may use dynamic ports, encrypted sessions, multiple protocols, or changing communication patterns. Static NAT translates addresses, default routing provides a general forwarding path, and security zones establish logical security boundaries. Application signatures provide deeper traffic classification that can support more precise security policies and monitoring. Administrators should keep application identification information current and validate recognized traffic before applying restrictive controls, particularly when applications have unusual communication behaviors or proprietary protocols.