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Question 281.

Which security concept limits a user’s access to only the systems and data required for their role?

1. Least privilege
   2. Open authorization
   3. Shared administration
   4. Unrestricted trust

Correct Answer: 1

Explanation:

Least privilege limits users, applications, and systems to only the permissions required for legitimate responsibilities. This reduces the potential impact of stolen credentials, insider misuse, or accidental changes. Open authorization and unrestricted trust provide broader access than necessary, while shared administration can reduce accountability. Least privilege is commonly implemented through role-based permissions, periodic access reviews, separation of privileged accounts, and removal of unnecessary access when responsibilities change.

Question 282.

Which Palo Alto Networks firewall capability allows security policy to distinguish between different users who may share the same network?

1. Static routing
   2. NAT
   3. Link aggregation
   4. User identification

Correct Answer: 4

Explanation:

User identification associates network traffic with authenticated users or groups. This allows firewall rules to consider identity instead of relying only on IP addresses. IP addresses may change through DHCP or may represent shared devices, so identity context can provide more precise access control. Static routing determines network paths, NAT translates addresses, and link aggregation combines physical or logical links. User-aware policy can also improve investigations by showing which identity was associated with particular traffic.

Question 283.

Which malware category typically encrypts a victim’s data and demands payment?

1. Adware
   2. Spyware
   3. Ransomware
   4. Bootloader

Correct Answer: 3

Explanation:

Ransomware commonly encrypts files or otherwise blocks access to systems and then demands payment from the victim. Organizations can reduce ransomware risk through endpoint protection, secure backups, patching, segmentation, strong authentication, and user awareness. Adware mainly displays unwanted advertising, spyware secretly gathers information, and a bootloader is legitimate software used during system startup. Recovery planning is especially important because prevention cannot guarantee that every ransomware attempt will be stopped.

Question 284.

Which statement best describes a firewall security zone?

1. It stores authentication passwords for users.
   2. It groups interfaces or networks that share similar security characteristics.
   3. It replaces IP routing.
   4. It automatically creates backups.

Correct Answer: 2

Explanation:

A security zone groups network interfaces or segments that have similar trust levels or security requirements. Security policies can then control traffic moving between zones. For example, an organization might create separate zones for users, servers, guests, management systems, and the internet. Zones do not replace routing or authentication and do not automatically create backups. Proper zone design helps administrators enforce segmentation and apply consistent policies across security boundaries.

Question 285.

Which action most directly reduces the attack surface of a newly deployed server?

1. Disable unnecessary services and applications.
   2. Add additional unused accounts.
   3. Share the administrator password.
   4. Disable all logging.

Correct Answer: 1

Explanation:

Disabling unnecessary services and applications reduces the number of components attackers can target. This is an important part of system hardening. Unused services may contain vulnerabilities even though the organization does not need them. Adding extra accounts, sharing administrator passwords, or disabling logs increases risk instead of reducing it. Hardening should also include secure configuration, patching, least privilege, endpoint protection, and regular review against an approved baseline.

Question 286.

Which protocol commonly provides secure remote command-line access to network devices?

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

Correct Answer: 4

Explanation:

SSH provides encrypted remote command-line access and commonly uses TCP port 22. It protects administrative credentials and session data from straightforward interception. Telnet offers similar terminal functionality but normally sends traffic without strong encryption. HTTP is used for web communication, while TFTP is a lightweight file-transfer protocol. SSH should still be protected through restricted management access, strong authentication, individual administrator accounts, and logging.

Question 287.

Which security capability can help identify malware by analyzing suspicious files in an isolated environment?

1. Static NAT
   2. VLAN tagging
   3. Sandboxing
   4. Route redistribution

Correct Answer: 3

Explanation:

Sandboxing analyzes suspicious files or content in an isolated environment and observes their behavior. It can detect activities such as process creation, file modification, persistence attempts, or unexpected network communication. This is useful for identifying previously unknown or modified malware that may not match traditional signatures. Static NAT translates addresses, VLAN tagging identifies Layer 2 membership, and route redistribution exchanges routing information. Sandboxing works best alongside endpoint protection, threat prevention, and file inspection.

Question 288.

Which statement best describes authorization?

1. It verifies that a user knows a password.
   2. It determines which resources and actions an authenticated user is permitted to access.
   3. It assigns an IP address to a device.
   4. It creates an encrypted tunnel automatically.

Correct Answer: 2

Explanation:

Authorization determines what an authenticated identity can access or do. Authentication verifies identity first, while authorization applies permissions afterward. For example, a user may successfully log in to an application but still be denied access to administrative settings. DHCP is commonly used to assign IP addresses, and encryption or VPN technologies are responsible for protected tunnels. Effective authorization should follow least-privilege principles and be reviewed as user responsibilities change.

Question 289.

Which security objective is most directly supported by preventing unauthorized users from reading sensitive records?

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

Correct Answer: 1

Explanation:

Confidentiality protects information from unauthorized disclosure. Controls such as encryption, authentication, access permissions, data classification, and secure communication protocols can help protect confidential information. Availability ensures that authorized users can access systems when needed, scalability concerns growth, and redundancy provides additional resources for resilience. Confidentiality is especially important for credentials, customer information, intellectual property, financial records, and other sensitive data.

Question 290.

Which condition is most consistent with a distributed denial-of-service attack?

1. One user enters an incorrect password once.
   2. A backup finishes at its scheduled time.
   3. An administrator changes a rule during an approved maintenance period.
   4. Thousands of different systems send excessive traffic toward the same public service.

Correct Answer: 4

Explanation:

A distributed denial-of-service attack uses many systems or sources to overwhelm a target with traffic or requests. The combined volume can exhaust bandwidth, processing capacity, or connection resources, making the service unavailable to legitimate users. Normal password failures, backups, and approved changes are not DDoS indicators. Organizations can improve resilience through filtering, rate controls, upstream mitigation, traffic scrubbing services, redundant architecture, and incident-response planning.

Question 291.

Which Palo Alto Networks log type would be most useful for identifying detected exploit or malware activity?

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

Correct Answer: 3

Explanation:

Threat logs contain information about security threats detected by inspection features, such as exploits, malware, or other suspicious activity depending on the configuration. Configuration logs focus on administrative changes, while system logs contain operational events. A hardware inventory is not a firewall threat log. Threat logs can help analysts understand which source, destination, application, and security profile were associated with malicious activity and whether the threat was blocked or otherwise handled.

Question 292.

Which statement best describes network address translation?

1. It performs identity authentication.
   2. It changes IP address information as traffic passes through a network device.
   3. It detects suspicious processes on endpoints.
   4. It automatically updates firewall software.

Correct Answer: 2

Explanation:

Network address translation modifies source or destination IP address information as traffic passes through a router or firewall. It is commonly used to translate private addresses to public addresses or publish internal services through mapped addresses. NAT does not perform user authentication, detect endpoint behavior, or apply software updates. Security policy and NAT are separate functions: NAT changes address information, while policy determines whether the traffic is permitted.

Question 293.

Which practice helps reduce the risk of unauthorized access when an employee changes departments?

1. Review and update the employee’s permissions.
   2. Keep all previous access indefinitely.
   3. Grant administrator rights automatically.
   4. Disable access logging.

Correct Answer: 1

Explanation:

When an employee changes roles, access should be reviewed and adjusted so only permissions required for the new responsibilities remain. Without reviews, users may accumulate access from previous positions, creating unnecessary risk. Automatically granting administrator rights or retaining all old access conflicts with least privilege. Disabling logging also weakens accountability. Identity lifecycle management should cover onboarding, role changes, periodic reviews, and timely removal of access when it is no longer required.

Question 294.

Which firewall security feature is most directly used to control access to categories of websites?

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

Correct Answer: 4

Explanation:

URL filtering allows administrators to control web access according to categories, reputation, and organizational policy. It can help block phishing, malware-hosting, risky, or inappropriate destinations while allowing approved business use. Route redistribution exchanges routing information, link aggregation combines network interfaces, and DHCP relay forwards address-assignment messages. URL filtering can be strengthened by combining it with DNS security, threat prevention, user identification, and endpoint protection.

Question 295.

Which attack technique attempts to discover accessible services by probing a target’s network ports?

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

Correct Answer: 3

Explanation:

Port scanning probes a system to identify which network ports and services are reachable. Attackers may use this technique during reconnaissance to find possible targets, while administrators may use similar scanning tools legitimately for inventory and vulnerability assessment. File encryption protects data, data classification categorizes information, and backup rotation manages recovery copies. Firewalls and service hardening can reduce exposure by ensuring only required ports are reachable.

Question 296.

Which statement best describes endpoint isolation during incident response?

1. It grants the device additional privileges.
   2. It restricts most network communication from the compromised endpoint while investigation continues.
   3. It removes all security software from the device.
   4. It automatically deletes all files.

Correct Answer: 2

Explanation:

Endpoint isolation limits the compromised device’s ability to communicate with other systems or attacker infrastructure. This can help prevent lateral movement, data theft, or continued command-and-control activity while analysts investigate. Isolation should be performed according to incident-response procedures and with consideration for evidence preservation and business impact. Granting more privileges, removing security software, or deleting all files would not be appropriate containment actions.

Question 297.

Which security control is most useful for verifying that a downloaded file has not changed since its trusted hash was created?

1. Hash comparison
   2. Load balancing
   3. DHCP reservation
   4. Screen locking

Correct Answer: 1

Explanation:

A cryptographic hash produces a value derived from the file’s content. If the file changes, the calculated hash should also change, allowing the alteration to be detected. Comparing a downloaded file’s hash with a trusted published value can therefore help verify integrity. Load balancing distributes traffic, DHCP reservations provide predictable IP assignments, and screen locking protects unattended sessions. Hashes do not encrypt files, but they are useful for verifying whether content has been modified.

Question 298.

Which authentication event most strongly suggests possible account compromise?

1. One successful login from the user’s normal office device
   2. A planned password reset
   3. A routine multi-factor authentication prompt
   4. A privileged account logs in from an unusual source shortly after many failed attempts

Correct Answer: 4

Explanation:

A successful privileged login from an unusual source after many failed attempts may indicate that an attacker eventually obtained or guessed valid credentials. Analysts should review the source, device, authentication factors, subsequent activity, and related alerts. Routine logins, approved password resets, and normal MFA prompts are expected activities. Privileged accounts should receive especially careful monitoring because successful compromise can lead to broad access and security configuration changes.

Question 299.

Which cloud-security measure most directly helps prevent unauthorized access to sensitive cloud resources?

1. Increasing virtual-machine CPU capacity
   2. Increasing internet bandwidth
   3. Strong identity and access management
   4. Increasing monitor resolution

Correct Answer: 3

Explanation:

Strong identity and access management controls who can access cloud resources and what actions each identity may perform. Least privilege, multi-factor authentication, role-based permissions, access reviews, and monitoring can reduce unauthorized cloud access. Increasing CPU capacity or bandwidth does not solve identity risks, while monitor resolution is unrelated to security. Cloud IAM is especially important because compromised credentials can provide remote access to valuable data and administrative functions.

Question 300.

Which approach best represents a mature enterprise cybersecurity strategy?

1. Depend on a single perimeter security device.
   2. Combine identity security, segmentation, application-aware firewalling, endpoint protection, threat prevention, logging, backups, and incident response.
   3. Give all internal users unrestricted trust.
   4. Stop patching systems after deployment.

Correct Answer: 2

Explanation:

A mature security strategy uses multiple complementary controls. Identity protections reduce unauthorized access, segmentation limits unnecessary communication, application-aware firewalls provide contextual policy enforcement, endpoint security monitors host behavior, and threat prevention blocks malicious traffic. Logging supports detection and investigation, while backups and incident response improve resilience. Relying on a single device or permanently trusting internal users leaves major gaps. Defense in depth provides multiple opportunities to prevent, detect, contain, and recover from attacks.