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Question 221.

Which security practice helps ensure that users receive access based on their assigned job responsibilities?

1. Role-based access control
   2. Open guest access
   3. Shared administrator accounts
   4. Anonymous authentication

Correct Answer: 1

Explanation:

Role-based access control assigns permissions according to defined roles or job responsibilities. For example, a security analyst, help-desk technician, and network administrator may each receive different permissions based on the tasks they are expected to perform. Open guest access and anonymous authentication provide weaker control, while shared administrator accounts reduce accountability. RBAC supports least privilege because users can receive the access necessary for their jobs without automatically obtaining broader permissions. Organizations should periodically review role assignments to ensure that access remains appropriate as responsibilities change.

Question 222.

Which Palo Alto Networks firewall capability helps identify and control applications regardless of the port they use?

1. Static routing
   2. DHCP relay
   3. VLAN tagging
   4. Application identification

Correct Answer: 4

Explanation:

Application identification allows a firewall to recognize the actual application generating traffic rather than relying only on port numbers. This is important because modern applications may use common ports such as TCP 443, dynamically select ports, or tunnel through permitted services. Static routing determines how traffic is forwarded, DHCP relay forwards DHCP messages between networks, and VLAN tagging identifies Layer 2 network membership. Application-aware security makes it possible to build more precise rules based on business applications instead of broad port-based access.

Question 223.

Which term describes software that pretends to be legitimate while secretly performing malicious actions?

1. Hypervisor
   2. Patch manager
   3. Trojan
   4. Load balancer

Correct Answer: 3

Explanation:

A Trojan is malicious software that disguises itself as a legitimate or useful application in order to persuade a user to install or run it. Once executed, it may steal information, create unauthorized access, download additional malware, or perform other harmful actions. A hypervisor manages virtual machines, a patch manager helps deploy updates, and a load balancer distributes traffic. User awareness, application control, endpoint protection, secure software sources, and least privilege can reduce the risk of Trojan-based attacks.

Question 224.

Which statement best describes the purpose of a firewall security rule?

1. It increases the physical storage capacity of the firewall.
   2. It defines how matching network traffic should be handled.
   3. It automatically creates user accounts.
   4. It replaces all routing decisions.

Correct Answer: 2

Explanation:

A firewall security rule defines the conditions under which traffic should be allowed, denied, logged, inspected, or otherwise controlled. A rule may consider source and destination zones, addresses, users, applications, and services. Security rules do not increase hardware storage, create user accounts, or replace routing. Traffic must still have a valid route before it can be forwarded. Well-designed firewall rules should follow least privilege, use meaningful descriptions, apply appropriate inspection, and be reviewed regularly for unnecessary or outdated access.

Question 225.

Which practice most directly protects administrator credentials from exposure during normal employee activities?

1. Use separate administrator and standard user accounts.
   2. Use the administrator account for email and browsing.
   3. Share the administrator password with coworkers.
   4. Disable authentication for management access.

Correct Answer: 1

Explanation:

Separating privileged and standard accounts reduces the amount of time powerful credentials are exposed during everyday tasks such as email, web browsing, and document editing. Administrators can use a standard account for ordinary work and a separate privileged account only when elevated access is required. Shared passwords reduce accountability, while disabling authentication creates severe security risk. Strong authentication, restricted management access, logging, and periodic privilege reviews provide additional protection for administrator accounts.

Question 226.

Which protocol is commonly used for transferring web content securely between a browser and server?

1. Telnet
   2. TFTP
   3. FTP
   4. HTTPS

Correct Answer: 4

Explanation:

HTTPS protects HTTP communication with TLS encryption, helping preserve confidentiality and integrity for web sessions. It is commonly used for websites, cloud applications, portals, and administrative interfaces. Telnet provides unencrypted remote terminal access, TFTP is a lightweight file-transfer protocol, and FTP is traditionally used for file transfers. HTTPS does not by itself guarantee that a website is trustworthy, so certificate validation, secure configuration, and user awareness remain important.

Question 227.

Which security control is most useful for detecting suspicious processes and behavioral activity on a server?

1. Static routing
   2. DNS forwarding
   3. Endpoint detection and response
   4. Link aggregation

Correct Answer: 3

Explanation:

Endpoint detection and response monitors host-level activity such as processes, file changes, network connections, and behavioral indicators. It can help detect malware, credential abuse, suspicious scripts, or unusual process execution on servers and user endpoints. Static routing determines packet paths, DNS forwarding handles name-resolution requests, and link aggregation combines network interfaces. EDR complements firewall security because some malicious actions occur after traffic has already reached a host and therefore require endpoint-level visibility.

Question 228.

Which statement best explains the purpose of network segmentation?

1. To provide every system with unrestricted connectivity
   2. To separate systems and limit communication between different network areas
   3. To remove the need for endpoint security
   4. To guarantee that cyberattacks cannot occur

Correct Answer: 2

Explanation:

Network segmentation separates systems into logical or physical areas and controls communication between them. This can limit lateral movement, reduce unnecessary access, and make security policies easier to apply. For example, user devices, guest systems, servers, and management networks may be placed in separate segments. Segmentation does not eliminate the need for endpoint security and cannot guarantee that attacks will never occur. It is most effective as part of a layered security strategy that also includes identity controls, monitoring, threat prevention, and patching.

Question 229.

Which security objective is most directly supported by restricting unauthorized users from viewing sensitive data?

1. Confidentiality
   2. Availability
   3. Scalability
   4. Redundancy

Correct Answer: 1

Explanation:

Confidentiality ensures that sensitive information is accessible only to authorized users or systems. Access controls, encryption, authentication, and data classification can help protect confidentiality. Availability concerns keeping systems accessible when needed, scalability concerns handling increased demand, and redundancy provides additional resources for resilience. Confidentiality is especially important for credentials, financial records, personal information, intellectual property, and other data that could cause harm if disclosed without authorization.

Question 230.

Which security event would most strongly suggest a possible brute-force password attack?

1. A user logs in successfully once.
   2. A scheduled backup completes.
   3. A system receives an approved software update.
   4. One account receives hundreds of failed password attempts in a short period.

Correct Answer: 4

Explanation:

A large number of failed password attempts against one account over a short time is a common indicator of brute-force activity. An attacker may be systematically trying many password combinations in an attempt to discover the correct one. Security controls such as multi-factor authentication, rate limiting, lockout policies, and authentication monitoring can reduce this risk. Normal logins, planned updates, and scheduled backups are routine activities and are not strong indicators of brute-force attacks.

Question 231.

Which Palo Alto Networks feature can help security teams restrict or monitor access to categories of websites?

1. Static NAT
   2. VLAN trunking
   3. URL filtering
   4. DHCP reservation

Correct Answer: 3

Explanation:

URL filtering can classify and control access to web destinations according to category, reputation, and organizational policy. It can help block phishing sites, malicious pages, risky content, or categories that are inappropriate for a particular environment. Static NAT translates addresses, VLAN trunking carries multiple VLANs across a link, and DHCP reservations provide predictable IP assignments. URL filtering becomes stronger when combined with user identification, threat prevention, DNS security, and endpoint protection.

Question 232.

Which statement best describes a firewall security zone?

1. It stores passwords for every employee.
   2. It groups interfaces or networks with similar security requirements.
   3. It replaces DNS name resolution.
   4. It automatically patches servers.

Correct Answer: 2

Explanation:

A security zone groups network interfaces or segments that share similar security characteristics. Firewall rules can then control communication between those zones. Examples may include internal users, servers, external networks, guests, and management systems. Zones do not store employee passwords, replace DNS, or patch systems. Clear zone design helps administrators apply segmentation consistently and understand which traffic is crossing trust boundaries within the network.

Question 233.

Which practice most directly helps prevent exploitation of known vulnerabilities in operating systems?

1. Timely patch management
   2. Increasing screen brightness
   3. Adding desktop shortcuts
   4. Disabling all system logs

Correct Answer: 1

Explanation:

Patch management reduces exposure to known vulnerabilities by applying security updates provided by software vendors. Effective patch management includes identifying assets, prioritizing vulnerabilities, testing updates where appropriate, deploying patches, and verifying successful installation. Screen brightness and desktop shortcuts do not affect vulnerability exposure, while disabling logs weakens monitoring. Patching should be combined with secure configuration, endpoint protection, firewalls, vulnerability scanning, and other controls because not all attacks depend on already known software flaws.

Question 234.

Which protocol is commonly used to synchronize the clocks of network devices and servers?

1. DNS
   2. SMTP
   3. FTP
   4. NTP

Correct Answer: 4

Explanation:

NTP synchronizes clocks across network systems. Accurate time is essential for security because analysts must correlate logs from firewalls, endpoints, authentication systems, applications, and cloud platforms. If device clocks are significantly different, incident timelines can become difficult to reconstruct. DNS performs name resolution, SMTP is associated with email delivery, and FTP transfers files. Organizations should configure trusted time sources and monitor synchronization on critical infrastructure.

Question 235.

Which type of attack tries a small number of commonly used passwords against many different accounts?

1. Port scanning
   2. Data replication
   3. Password spraying
   4. Packet fragmentation

Correct Answer: 3

Explanation:

Password spraying attempts a few common passwords across many accounts rather than trying many passwords against a single account. This technique can help attackers avoid account lockout thresholds. Security teams can detect spraying by correlating failed authentication attempts across many usernames, especially when the same source or password patterns appear repeatedly. Multi-factor authentication, strong password policies, rate limiting, and identity monitoring can reduce password-spraying risk.

Question 236.

Which statement best describes the role of a security operations center?

1. It only purchases networking equipment.
   2. It monitors, investigates, and responds to security events.
   3. It designs office furniture.
   4. It replaces all technical security controls.

Correct Answer: 2

Explanation:

A security operations center monitors security telemetry, investigates alerts, and coordinates response to potentially malicious activity. Analysts may review firewall logs, endpoint events, identity data, cloud telemetry, and threat intelligence. A SOC does not replace technical controls; instead, it uses data from those controls to understand and respond to threats. Effective security operations combines people, processes, and technology to detect suspicious behavior, prioritize incidents, and coordinate containment or remediation.

Question 237.

Which control most directly helps reduce the impact of ransomware that encrypts production files?

1. Protected and tested backups
   2. Shared administrator passwords
   3. Disabled endpoint monitoring
   4. Anonymous access

Correct Answer: 1

Explanation:

Protected and tested backups provide a recovery path if ransomware encrypts or destroys production data. Backups should be isolated or otherwise protected so attackers cannot easily modify or delete them using compromised production credentials. Restoration procedures should be tested periodically to confirm that data can actually be recovered. Shared passwords, anonymous access, and disabled monitoring all increase security risk. Backups are most effective when combined with endpoint protection, patching, segmentation, threat prevention, and incident response.

Question 238.

Which action most directly supports containment when a workstation is confirmed to be infected with malware?

1. Ignore the device until the next maintenance window.
   2. Increase the user’s permissions.
   3. Delete security logs.
   4. Isolate the workstation from normal network communication.

Correct Answer: 4

Explanation:

Isolating a compromised workstation limits its ability to communicate with other systems or attacker infrastructure. This can reduce lateral movement, data theft, and further malware activity while investigators determine the scope of the incident. Containment actions should follow organizational procedures and consider evidence preservation and operational impact. Ignoring the device allows risk to continue, while deleting logs removes useful evidence and increasing privileges creates additional exposure.

Question 239.

Which security model assumes that network location alone should not automatically establish trust?

1. Open access
   2. Flat networking
   3. Zero trust
   4. Anonymous administration

Correct Answer: 3

Explanation:

Zero trust requires access to be evaluated based on identity, device context, requested resource, policy, and other relevant conditions instead of automatically trusting users because they are inside the network. This approach supports least privilege and continuous verification. Flat networking and open access provide broader connectivity and weaker controls, while anonymous administration removes accountability. Zero trust is particularly relevant in environments that include remote users, cloud applications, mobile devices, and distributed workloads.

Question 240.

Which strategy provides the strongest long-term cybersecurity posture?

1. Depend entirely on a single firewall.
   2. Use layered controls and continuously review identity, endpoints, network policy, threats, monitoring, and recovery.
   3. Disable software updates after initial deployment.
   4. Trust all internal systems permanently.

Correct Answer: 2

Explanation:

A strong long-term security posture requires multiple complementary controls and continuous improvement. Identity protections reduce unauthorized access, endpoint security detects host activity, segmentation and application-aware firewalling limit network exposure, threat prevention blocks malicious traffic, and monitoring supports investigation. Backups and recovery capabilities improve resilience when prevention fails. Security should be reviewed as technology, business needs, and threats change. Relying on one control, disabling updates, or permanently trusting internal systems creates gaps that attackers may exploit.