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Q101. What is the purpose of security automation?

1. Automate repetitive security tasks
   2. Increase monitor size
   3. Replace all network devices
   4. Disable security controls

Correct Answer: 1. Automate repetitive security tasks

Explanation: 

Security automation helps organizations perform repetitive or time-sensitive security tasks with less manual effort. Automated processes can collect security information, enrich alerts, block known malicious indicators, isolate affected systems, or create incident tickets based on predefined conditions. Automation can improve response speed and reduce the workload on security analysts. It is especially useful in environments where security teams receive a large number of alerts every day. However, automation should be carefully designed and tested because incorrect actions could affect legitimate users or systems. Properly implemented automation allows analysts to focus more attention on complex investigations and higher-risk incidents.

Q102. What is a Security Orchestration platform used for?

1. Coordinate security tools and workflows
   2. Increase storage capacity
   3. Create office documents
   4. Replace user authentication

Correct Answer: 1. Coordinate security tools and workflows

Explanation: 

Security orchestration coordinates activities across multiple security tools and processes. Organizations commonly use orchestration to connect security products and automate workflows that would otherwise require manual intervention. For example, when a suspicious endpoint is detected, an orchestration workflow could collect additional information, query threat intelligence, create an incident record, and initiate an appropriate containment action. This coordination can make incident response more consistent and efficient. Orchestration is particularly valuable in complex security environments where analysts work with many separate tools. By connecting these systems, security teams can reduce repetitive work and improve the speed and consistency of their response.

Q103. What is an access control list used for?

1. Control permitted access
   2. Store backup files
   3. Monitor employee attendance
   4. Compress network traffic

Correct Answer: 1. Control permitted access

Explanation: 

An Access Control List, or ACL, contains rules that determine whether specific traffic, users, or resources are permitted or denied access. ACLs are commonly used on network devices and security systems to control communication based on characteristics such as source address, destination address, protocol, or port. Properly configured access control rules can reduce unauthorized communication and limit exposure to sensitive resources. Administrators should review ACLs regularly because unnecessary or overly broad permissions can create security risks. A well-designed ACL should follow organizational security requirements and the principle of least privilege, allowing only the traffic or access that is genuinely required.

Q104. What is a security alert?

1. Notification of potentially suspicious activity
   2. A software license
   3. A network cable
   4. A backup schedule

Correct Answer: 1. Notification of potentially suspicious activity

Explanation: 

A security alert is a notification generated when a security tool identifies activity that may require investigation. Alerts can come from firewalls, endpoint security systems, intrusion prevention systems, SIEM platforms, cloud security tools, and other monitoring technologies. An alert does not always mean that a successful attack has occurred. Analysts must evaluate the available evidence and determine whether the activity is malicious, benign, or a false positive. Effective alert management includes prioritizing alerts according to severity and context. Security teams should investigate high-risk alerts promptly while continuously tuning detection systems to improve accuracy and reduce unnecessary notifications.

Q105. What is incident triage?

1. Prioritizing and evaluating security alerts
   2. Installing operating systems
   3. Increasing storage space
   4. Creating network cables

Correct Answer: 1. Prioritizing and evaluating security alerts

Explanation: 

Incident triage is the process of evaluating security alerts or reported incidents to determine their severity, priority, and appropriate response. Analysts examine available information to determine whether an event represents a genuine security issue and how much potential impact it may have. High-severity incidents affecting critical systems or sensitive information may require immediate action, while lower-risk events can be investigated later. Effective triage helps security teams use their limited resources efficiently and prevents important threats from being overlooked among large numbers of alerts. Clear severity criteria, accurate context, and reliable security telemetry are important components of effective incident triage.

Q106. What is the purpose of an IOC database?

1. Store known indicators of compromise
   2. Store employee salaries
   3. Manage printer settings
   4. Configure office lighting

Correct Answer: 1. Store known indicators of compromise

Explanation: 

An Indicator of Compromise database stores information associated with known or suspected malicious activity. Examples can include malicious IP addresses, domain names, URLs, file hashes, email addresses, and other artifacts associated with security incidents. Security teams can compare newly observed activity against these indicators to identify potential threats more quickly. IOC information may come from internal investigations, threat intelligence sources, security vendors, or previous incidents. Although IOCs are useful, attackers can change infrastructure and artifacts, so organizations should combine IOC-based detection with behavioral analysis and other security controls. Maintaining accurate and current IOC information can improve threat detection.

Q107. What is application allowlisting?

1. Permit only approved applications
   2. Block every application
   3. Allow unknown software automatically
   4. Remove endpoint security

Correct Answer: 1. Permit only approved applications

Explanation: 

Application allowlisting is a security control that restricts which applications or executable programs are permitted to run on a system. Instead of allowing any software unless it is specifically blocked, allowlisting establishes an approved set of applications and prevents unauthorized programs from executing. This can help reduce the risk of malware, unauthorized software, and potentially unwanted applications. Allowlisting is especially useful for systems that perform specific business functions and therefore do not require unrestricted software execution. However, organizations must maintain the approved application list as business requirements change. Proper implementation can significantly reduce the endpoint attack surface.

Q108. What is an intrusion prevention system designed to do?

1. Detect and block malicious traffic
   2. Increase disk capacity
   3. Manage employee accounts
   4. Replace all backups

Correct Answer: 1. Detect and block malicious traffic

Explanation: 

An Intrusion Prevention System, or IPS, monitors network traffic for patterns associated with attacks and can take action to prevent detected threats. Depending on its configuration, an IPS may block malicious connections, reset sessions, or apply other protective actions. IPS technology can help defend against exploitation attempts, malicious traffic, and other network-based attacks. Effective IPS deployment requires appropriate policies and regularly updated detection information. Security teams should also monitor alerts and review blocked traffic because legitimate activity can sometimes resemble attack patterns. When properly configured, an IPS provides an additional layer of defense between potentially hostile traffic and protected systems.

Q109. What is network traffic analysis?

1. Examining network communications for suspicious activity
   2. Formatting hard drives
   3. Managing employee benefits
   4. Installing printers

Correct Answer: 1. Examining network communications for suspicious activity

Explanation: 

Network traffic analysis involves examining communications between systems to identify unusual, unauthorized, or potentially malicious activity. Analysts may review source and destination addresses, ports, protocols, traffic volumes, connection patterns, and other information. Network analysis can help identify activities such as command-and-control communication, scanning, data transfers, lateral movement, or unexpected external connections. It is especially valuable when endpoint evidence is incomplete or when attackers attempt to avoid detection on individual systems. Security teams can combine network traffic analysis with firewall logs, threat intelligence, endpoint telemetry, and other data sources to develop a more complete understanding of potential security incidents.

Q110. What is command-and-control traffic?

1. Communication between malware and an attacker-controlled system
   2. Normal employee email
   3. A software installation process
   4. A backup operation

Correct Answer: 1. Communication between malware and an attacker-controlled system

Explanation: 

Command-and-control, or C2, traffic is communication between a compromised system and infrastructure controlled by an attacker. Malware may use C2 communication to receive instructions, send stolen information, download additional components, or maintain access to a compromised environment. Detecting C2 traffic can help security teams identify compromised systems. Analysts may examine unusual destinations, communication frequency, protocols, domain reputation, and traffic patterns to identify suspicious connections. Network security controls, DNS security, threat intelligence, and endpoint monitoring can all contribute to C2 detection. Blocking known malicious infrastructure can also prevent compromised systems from communicating with attackers.

Q111. What is an attack vector?

1. A method used to gain unauthorized access
   2. A security report
   3. A backup device
   4. A user training course

Correct Answer: 1. A method used to gain unauthorized access

Explanation: 

An attack vector is a method or pathway that an attacker uses to attempt to compromise a system, account, network, or application. Examples include phishing emails, stolen credentials, vulnerable software, malicious websites, exposed services, and compromised devices. Understanding attack vectors helps security teams identify where defensive controls are needed. Organizations can reduce attack-vector risks through patch management, strong authentication, security awareness training, network segmentation, secure configurations, and continuous monitoring. Attackers may combine several vectors during a campaign, so organizations should use layered security rather than depending on a single control. Regular assessments can help identify newly exposed attack paths.

Q112. What is credential stuffing?

1. Using stolen credentials against multiple accounts
   2. Encrypting user passwords
   3. Creating new security tokens
   4. Updating authentication software

Correct Answer: 1. Using stolen credentials against multiple accounts

Explanation: 

Credential stuffing is an attack technique in which attackers use previously stolen username and password combinations to attempt access to other accounts. It relies on the fact that some users reuse passwords across different websites and services. Attackers can automate large numbers of login attempts, making the technique potentially effective against poorly protected accounts. Organizations can reduce credential-stuffing risks by requiring multi-factor authentication, detecting unusual login behavior, limiting repeated attempts, monitoring authentication events, and encouraging users to use unique passwords. Security teams should also investigate unusual authentication patterns, such as many failed logins followed by successful access from unexpected locations.

Q113. What is brute-force protection designed to prevent?

1. Repeated password-guessing attempts
   2. Data backup failures
   3. Network segmentation
   4. Software licensing issues

Correct Answer: 1. Repeated password-guessing attempts

Explanation:

Brute-force protection helps defend accounts and services against repeated attempts to guess passwords or other authentication credentials. Attackers may use automated tools to try many possible combinations until they discover a valid credential. Security controls such as account lockouts, login rate limiting, authentication monitoring, multi-factor authentication, and strong password policies can reduce the effectiveness of these attacks. Organizations should carefully configure protection mechanisms because overly aggressive lockouts can also be abused to deny legitimate users access. Monitoring authentication activity can help identify unusual patterns and provide security teams with evidence of attempted credential attacks.

Q114. What is privileged access management?

1. Control and monitor privileged accounts
   2. Increase internet speed
   3. Disable administrator accounts
   4. Remove all authentication

Correct Answer: 1. Control and monitor privileged accounts

Explanation: 

Privileged Access Management, or PAM, is designed to protect accounts that have elevated permissions and access to sensitive systems. PAM solutions can help organizations control, monitor, and manage privileged credentials and administrative sessions. Features may include credential vaulting, temporary access, session monitoring, approval workflows, and detailed auditing. Protecting privileged accounts is important because attackers who compromise administrative credentials may gain extensive control over systems and data. PAM supports the principle of least privilege by limiting unnecessary administrative access. Organizations should regularly review privileged accounts and ensure that administrative privileges are granted only when necessary and for appropriate business purposes.

Q115. What is security event normalization?

1. Standardizing event data for analysis
   2. Deleting security events
   3. Encrypting every network packet
   4. Increasing storage capacity

Correct Answer: 1. Standardizing event data for analysis

Explanation: 

Security event normalization converts information from different security devices and applications into a consistent format. Different products may use different field names, formats, timestamps, and terminology when recording similar events. Normalization allows security monitoring systems to interpret and compare this information more effectively. For example, logs from a firewall and endpoint platform may represent source addresses or user information differently, but normalization can place those values into consistent fields. This improves correlation, searching, reporting, and automated analysis. Accurate normalization is particularly important in centralized security monitoring because analysts need consistent information when investigating events from multiple sources.

Q116. What is a playbook in security operations?

1. A documented response procedure
   2. A network device
   3. A type of malware
   4. A backup server

Correct Answer: 1. A documented response procedure

Explanation: A security playbook is a documented set of steps that guides analysts through a specific security investigation or response process. Playbooks can describe how to handle events such as phishing reports, compromised accounts, malware detections, or suspicious network activity. They help security teams respond consistently and reduce uncertainty during incidents. Playbooks can also be integrated with automation and orchestration tools so that certain steps are performed automatically. Well-designed playbooks should identify required information, investigation steps, decision points, response actions, and escalation requirements. Organizations should review and update playbooks regularly based on new threats and lessons learned from previous incidents.

Q117. What is forensic analysis used for?

1. Investigate evidence from security incidents
   2. Increase network bandwidth
   3. Manage employee schedules
   4. Configure office printers

Correct Answer: 1. Investigate evidence from security incidents

Explanation: Digital forensic analysis involves examining digital evidence to understand what occurred during a security incident. Analysts may investigate files, system logs, memory, network activity, authentication records, and other artifacts to reconstruct events and identify attacker actions. Forensic analysis can help determine the initial entry point, affected systems, persistence methods, and information accessed or modified. Evidence should be collected and handled carefully to maintain its integrity. Forensic findings can support incident response, remediation, and future security improvements. In some situations, properly preserved evidence may also be important for legal, regulatory, or investigative purposes.

Q118. What is a security baseline comparison used to detect?

1. Configuration changes and deviations
   2. Employee attendance
   3. Printer toner levels
   4. Internet subscription costs

Correct Answer: 1. Configuration changes and deviations

Explanation: Security baseline comparison evaluates a system’s current configuration against an approved secure configuration standard. The comparison can identify unauthorized or unexpected changes that may increase security risk. For example, a previously disabled service might become enabled, a security setting might be changed, or an unnecessary port might become accessible. Detecting these deviations helps security teams investigate configuration drift and restore systems to their approved state. Baseline monitoring is particularly useful in large environments where manually checking every system is difficult. Regular comparisons can improve configuration consistency and help organizations maintain compliance with internal security requirements.

Q119. What is a security dashboard used for?

1. Provide a visual view of security information
   2. Replace all security tools
   3. Disable security alerts
   4. Increase processor speed

Correct Answer: 1. Provide a visual view of security information

Explanation: A security dashboard provides a centralized visual representation of important security information. Dashboards can display metrics such as active alerts, incident severity, affected endpoints, blocked threats, authentication activity, or network events. By presenting information in an organized format, dashboards help analysts and security managers quickly understand the current security situation. Effective dashboards should focus on relevant information and make important trends or high-priority events easy to identify. They can support both operational monitoring and management reporting. Dashboards are most useful when the underlying data is accurate, timely, and collected from appropriate security sources.

Q120. What is the purpose of a post-incident review?

1. Identify lessons and improve security
   2. Delete all incident evidence
   3. Disable monitoring permanently
   4. Remove security policies

Correct Answer: 1. Identify lessons and improve security

Explanation: A post-incident review is performed after a security incident to evaluate what happened, how effectively the organization responded, and what improvements are needed. Security teams can examine the timeline, detection methods, communication, containment, eradication, recovery, and any difficulties encountered during the response. The objective is not simply to determine who was responsible but to identify weaknesses in processes, technology, training, or security controls. Lessons learned can be used to update policies, improve detection rules, revise incident response playbooks, and strengthen preventive controls. Regular post-incident reviews help organizations become more prepared for future security events.