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Question 341.

Which security principle helps reduce risk by giving users only the access necessary for their assigned responsibilities?

1. Least privilege
   2. Unlimited trust
   3. Shared administration
   4. Anonymous access

Correct Answer: 1

Explanation:

Least privilege limits users, applications, and systems to only the permissions required for legitimate tasks. This reduces the potential impact of compromised accounts, mistakes, or malicious activity. Unlimited trust and anonymous access create unnecessary exposure, while shared administration can weaken accountability. Organizations can support least privilege through role-based permissions, access reviews, separation of administrator and user accounts, and removal of access that is no longer required.

Question 342.

Which Palo Alto Networks capability is designed to associate network traffic with specific users or groups?

1. Static routing
   2. DHCP relay
   3. Link aggregation
   4. User identification

Correct Answer: 4

Explanation:

User identification helps associate network traffic with authenticated users or groups rather than relying only on IP addresses. This provides better context for access control and investigations. Static routing determines packet-forwarding paths, DHCP relay forwards address-assignment traffic, and link aggregation combines network interfaces. User-aware policy is useful when different departments, administrators, contractors, or other groups require different access to applications and resources.

Question 343.

Which threat involves malicious software that can replicate itself and spread across networks?

1. Digital certificate
   2. Load balancer
   3. Worm
   4. Backup agent

Correct Answer: 3

Explanation:

A worm is malware capable of self-propagating between systems or across networks, often by exploiting vulnerabilities or insecure services. Because it can spread automatically, a worm may compromise many devices quickly. Digital certificates provide trust in secure communications, load balancers distribute workloads, and backup agents support data protection. Patching, network segmentation, endpoint security, intrusion prevention, and monitoring can all help reduce the spread and impact of worms.

Question 344.

Which statement best describes a firewall traffic log?

1. It records only system hardware details.
   2. It records information about network sessions processed by the firewall.
   3. It automatically changes firewall rules.
   4. It replaces endpoint security software.

Correct Answer: 2

Explanation:

Traffic logs record details about sessions handled by the firewall. They may include source and destination addresses, applications, users, zones, ports, actions, byte counts, and the matched security rule. These logs are useful for troubleshooting, policy verification, monitoring, and incident investigation. They do not automatically change security policy or replace endpoint protection. Traffic logs provide important visibility into how systems communicate across network boundaries.

Question 345.

Which action best protects a management interface from unnecessary exposure?

1. Restrict access to trusted management systems or networks.
   2. Allow management access from any internet address.
   3. Disable administrator authentication.
   4. Publish administrator credentials for convenience.

Correct Answer: 1

Explanation:

Restricting management access limits who can even attempt to connect to sensitive administrative services. This should be combined with strong authentication, encrypted management protocols, individual administrator accounts, and logging. Allowing unrestricted internet access or removing authentication significantly increases risk. Administrative interfaces are valuable targets because compromise may allow attackers to modify security policy, disable controls, or access sensitive configuration information.

Question 346.

Which protocol is commonly used for secure remote administration and normally uses TCP port 22?

1. HTTP
   2. FTP
   3. Telnet
   4. SSH

Correct Answer: 4

Explanation:

SSH provides encrypted remote command-line access and commonly uses TCP port 22. It is widely used for securely administering servers, firewalls, routers, and other devices. Telnet provides similar terminal functionality but generally lacks strong encryption. HTTP is primarily used for web communication, while FTP is used for file transfer. SSH should still be protected with strong authentication, restricted management access, logging, and least privilege.

Question 347.

Which security technology is most useful for monitoring endpoint processes and detecting suspicious behavior?

1. Static route
   2. DNS forwarder
   3. Endpoint detection and response
   4. VLAN trunk

Correct Answer: 3

Explanation:

Endpoint detection and response monitors host-level activity such as running processes, files, network connections, and behavioral indicators. It can help identify malware, suspicious scripts, credential abuse, and other endpoint threats. Static routes, DNS forwarders, and VLAN trunks are networking technologies rather than endpoint-security controls. EDR may also provide response capabilities such as process termination or endpoint isolation.

Question 348.

Which statement best describes authorization?

1. It verifies a user’s identity.
   2. It determines what an authenticated user is allowed to access or do.
   3. It assigns an IP address to a device.
   4. It encrypts all network traffic.

Correct Answer: 2

Explanation:

Authorization determines which resources, applications, or actions are available to an authenticated identity. Authentication happens first and verifies identity, while authorization applies permissions afterward. DHCP commonly provides IP configuration, while encryption protects information. Effective authorization should follow least-privilege principles so users receive only the access required for their roles.

Question 349.

Which security objective focuses on preventing unauthorized disclosure of sensitive information?

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

Correct Answer: 1

Explanation:

Confidentiality protects information from unauthorized viewing or disclosure. Encryption, authentication, access controls, and data classification are common controls that support confidentiality. Availability focuses on keeping systems accessible, scalability concerns accommodating growth, and redundancy provides additional resources for resilience. Confidentiality is especially important for credentials, financial information, customer data, intellectual property, and other sensitive records.

Question 350.

Which event most strongly suggests a possible distributed denial-of-service attack?

1. A user successfully changes a password.
   2. A scheduled backup completes normally.
   3. An approved configuration update occurs.
   4. A public service receives excessive traffic from many sources and becomes unavailable.

Correct Answer: 4

Explanation:

A distributed denial-of-service attack uses many systems or sources to generate enough traffic or requests to overwhelm a target. This can exhaust bandwidth, processing capacity, or connection resources and prevent legitimate users from accessing the service. Normal password changes, backups, and approved updates are expected activity. DDoS mitigation may involve rate controls, upstream filtering, traffic scrubbing, redundant infrastructure, and incident-response planning.

Question 351.

Which Palo Alto Networks log type is most appropriate for reviewing detected malicious exploits or malware activity?

1. Configuration log
   2. System log
   3. Threat log
   4. Hardware inventory

Correct Answer: 3

Explanation:

Threat logs contain information about malicious or suspicious activity detected by security inspection capabilities. They may include details about exploits, malware, source and destination information, applications, severity, and the action taken. Configuration logs focus on administrative changes, while system logs describe operational events. Threat logs are useful during investigations because they help analysts understand what malicious activity was detected and how the firewall responded.

Question 352.

Which statement best describes destination NAT?

1. It verifies administrator identity.
   2. It changes the destination IP address of matching traffic.
   3. It detects endpoint malware.
   4. It automatically patches applications.

Correct Answer: 2

Explanation:

Destination NAT modifies the destination IP address of traffic as it passes through a firewall or router. It is commonly used to make an internal service reachable through another address, such as a public IP address. NAT does not authenticate users, detect endpoint behavior, or install patches. Security policy and NAT serve different functions: NAT changes address information, while security policy determines whether the communication is permitted.

Question 353.

Which practice helps reduce risk when an employee changes from one job role to another?

1. Review and adjust the employee’s access permissions.
   2. Keep all old permissions indefinitely.
   3. Automatically grant administrator rights.
   4. Disable authentication logs.

Correct Answer: 1

Explanation:

Access should be reviewed whenever an employee changes roles so unnecessary permissions from the previous position can be removed. Otherwise, users may accumulate access over time and gain more privileges than their current job requires. Automatically granting administrator access or preserving all previous permissions conflicts with least privilege. Identity lifecycle management should include onboarding, role changes, periodic reviews, and timely access removal.

Question 354.

Which Palo Alto Networks feature can help control access to websites by category and reputation?

1. Route redistribution
   2. Link aggregation
   3. DHCP relay
   4. URL filtering

Correct Answer: 4

Explanation:

URL filtering classifies web destinations and allows policy to permit, block, or monitor access according to category, reputation, or organizational requirements. It can help reduce exposure to phishing sites, malware-hosting pages, and risky content. Route redistribution exchanges routing information, link aggregation combines interfaces, and DHCP relay forwards DHCP traffic. URL filtering can be combined with DNS security, threat prevention, user identification, and endpoint protection.

Question 355.

Which attack technique attempts to identify reachable services by probing multiple TCP or UDP ports?

1. Data classification
   2. File hashing
   3. Port scanning
   4. Backup rotation

Correct Answer: 3

Explanation:

Port scanning probes a target to identify open or reachable network services. Attackers may use scanning during reconnaissance to learn which services could be targeted, while administrators may use it legitimately for asset discovery and security testing. Data classification organizes information, file hashing helps verify integrity, and backup rotation manages recovery copies. Firewalls and service hardening can reduce exposure by ensuring only necessary services are reachable.

Question 356.

Which statement best describes containment during incident response?

1. It gives compromised systems additional privileges.
   2. It limits the spread or impact of an active security incident.
   3. It removes the need for investigation.
   4. It disables all security monitoring.

Correct Answer: 2

Explanation:

Containment aims to prevent a confirmed or suspected incident from spreading further or causing additional damage. Actions may include isolating endpoints, disabling compromised accounts, blocking malicious destinations, or restricting communication. Containment does not eliminate the need for investigation and should not disable security monitoring. The exact response should follow organizational procedures and consider business impact and evidence preservation.

Question 357.

Which control most directly supports recovery after critical files are accidentally deleted?

1. Tested backups
   2. Shared passwords
   3. Anonymous access
   4. Disabled monitoring

Correct Answer: 1

Explanation:

Tested backups provide recoverable copies of important data when production files are accidentally deleted, corrupted, encrypted, or otherwise lost. Organizations should protect backups, monitor completion, and regularly test restoration procedures. Shared passwords, anonymous access, and disabled monitoring increase security risk. Backups are an important resilience control and should be combined with access controls, secure storage, and disaster-recovery planning.

Question 358.

Which authentication event is most suspicious?

1. A user logs in from their normal device during business hours.
   2. A scheduled password-expiration notification is sent.
   3. An approved account review occurs.
   4. A privileged account successfully authenticates from an unusual source after many failures.

Correct Answer: 4

Explanation:

A successful privileged login from an unusual source after repeated failures may indicate credential compromise. Security analysts should investigate the source, device, authentication factors, subsequent actions, and related alerts. Routine logins and planned identity-management events are generally expected. Privileged accounts require additional monitoring because compromise may allow broad access to systems, data, and security configuration.

Question 359.

Which cloud-security concept explains that security responsibilities are divided between the cloud provider and the customer?

1. Anonymous trust model
   2. Open authorization model
   3. Shared responsibility model
   4. Flat networking model

Correct Answer: 3

Explanation:

The shared responsibility model defines which security responsibilities belong to the cloud provider and which remain with the customer. The provider may secure physical facilities and underlying infrastructure, while customers may remain responsible for identities, data, applications, and configuration depending on the service model. Understanding this division is important because organizations cannot assume that moving to the cloud transfers every security obligation to the provider.

Question 360.

Which strategy best represents defense in depth for enterprise cybersecurity?

1. Depend entirely on a single firewall.
   2. Combine identity security, segmentation, application-aware controls, endpoint protection, threat prevention, logging, backups, and incident response.
   3. Trust every internal device automatically.
   4. Disable patching after deployment.

Correct Answer: 2

Explanation:

Defense in depth uses multiple complementary safeguards so that failure of one control does not leave the organization completely exposed. Identity security limits unauthorized access, segmentation restricts lateral movement, application-aware controls improve network policy, endpoint security monitors hosts, and threat prevention blocks malicious activity. Logging supports detection and investigation, while backups and incident response improve resilience. Layered controls create multiple opportunities to prevent, detect, contain, and recover from attacks.