Pass the CompTIA Security+ SY0-701 Questions and answers with Dumpstech

Comprehensive and Detailed Explanation From Exact Extract:

A fail-open configuration means that if the firewall experiences an outage or failure, traffic is allowed to pass through rather than being blocked. This design decision directly prioritizes availability over other security principles.

The CIA Triad (Confidentiality, Integrity, Availability) is central in SY0-701. A fail-open firewall risks allowing unauthorized or malicious traffic during a failure, sacrificing security controls in order to maintain service uptime. This is typically used in environments where interruptions are unacceptable, such as:

Public-facing websites

Critical customer applications

Healthcare systems

Financial transaction portals

Fail-closed configurations, in contrast, prioritize confidentiality and integrity by blocking traffic when a failure occurs.

Because the organization chose fail-open, it demonstrates that maintaining continuous access to the website is more important than preventing potential exposure. This approach is aligned with the Availability pillar of the CIA model.

The SY0-701 exam emphasizes this design choice under General Security Concepts, specifically in resilience, failover mechanisms, and risk-based decisions when selecting fail-open vs. fail-closed strategies.

Zero Trust architecture is based on the principle of "never trust, always verify," meaning all traffic between systems must be authenticated and authorized before communication is allowed, regardless of network location.

Policy enforcement (A) is important but broader. Authentication (B) is a component of Zero Trust, and confidentiality (D) refers to data protection, not access validation.

Zero Trust is a modern security framework emphasized in Security Architecture for securing enterprise environments【6:Chapter 3†CompTIA Security+ Study Guide】.

An application allow list is a security technique that specifies which applications are permitted to run on a system or a network. An application allow list can block unknown programs from executing by only allowing the execution of programs that are explicitly authorized and verified. An application allow list can prevent malware, unauthorized software, or unwanted applications from running and compromising the security of the system or the network12.

The other options are not the best ways to block unknown programs from executing:

Access control list: This is a security technique that specifies which users or groups are granted or denied access to a resource or an object. An access control list can control the permissions and privileges of users or groups, but it does not directly block unknown programs from executing13.

Host-based firewall: This is a security device that monitors and filters the incoming and outgoing network traffic on a single host or system. A host-based firewall can block or allow networkconnections based on predefined rules, but it does not directly block unknown programs from executing1 .

DLP solution: This is a security system that detects and prevents the unauthorized transmission or leakage of sensitive data. A DLP solution can protect the confidentiality and integrity of data, but it does not directly block unknown programs from executing1 .

References = 1: CompTIA Security+ SY0-701 Certification Study Guide, page 972: Application Whitelisting – CompTIA Security+ SY0-701 – 3.5, video by Professor Messer3: CompTIA Security+ SY0-701 Certification Study Guide, page 98. : CompTIA Security+ SY0-701 Certification Study Guide, page 99. : CompTIA Security+ SY0-701 Certification Study Guide, page 100.

Code repositories are a common source of unintentional corporate credential leakage, especially in cloud environments. Developers may accidentally commit and push sensitive information, such as API keys, passwords, and other credentials, to public or poorly secured repositories. These credentials can then be accessed by unauthorized users, leading to security breaches. Ensuring that repositories are properly secured and that sensitive data is never committed is critical for protecting against this type of leakage.

References =

CompTIA Security+ SY0-701 Course Content: Domain 03 Security Architecture​.

CompTIA Security+ SY0-601 Study Guide: Chapter on Threats and Vulnerability Management​.

Full Disk Encryption (FDE) ensures that all data on the drive is encrypted, preventing unauthorized access even if the device is lost.

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Installing a host-based content filtering solution on the endpoints ensures that web traffic is filtered locally even when the VPN connection to the on-premises proxy fails, maintaining protection for remote users.

Network access control (A) manages device network access, local gateway configuration (B) does not solve protection if VPN fails, and public NAT (C) exposes internal resources and increases risk.

Endpoint filtering complements VPN for resilient web security, covered in Security Architecture and Operations【6:Chapter 11†CompTIA Security+ Study Guide】.

Non-compliance with internal policies, such as corporate security policies, falls under internal non-compliance. These are rules created and enforced within the organization to maintain security standards.

External non-compliance (A) refers to violations of outside regulations or laws. Standards (B) are generally established best practices or industry guidelines, and regulation (C) refers to legal or governmental requirements.

Internal compliance management is a key focus area in the Security Program Management domain of SY0-701【6:Chapter 16†CompTIA Security+ Study Guide】.

The right to be forgotten refers to an individual’s legal right, under regulations such as GDPR, to request the deletion of all personal data held about them by an organization. This gives individuals control over their digital footprint and privacy.

Packet capture data can be very large and may not need to be stored for extended periods compared to other logs essential for security audits.

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The presence of another device providing internet access that bypasses the content filtering system indicates the existence of a rogue access point. Rogue access points are unauthorized devices that can create a backdoor into the network, allowing users to bypass security controls like content filtering. This presents a significant security risk as it can expose the network to unauthorized access and potential data breaches.

References =

CompTIA Security+ SY0-701 Course Content: Rogue access points are highlighted as a major security risk, allowing unauthorized access to the network and bypassing security measures​​.

A hot site is a fully operational data center equipped with hardware, software, and network connectivity, ready for immediate use after a disaster. It allows near-zero downtime, making it ideal for critical systems needing continuous operations.

Warm sites (B) have some infrastructure but require additional setup time. Cold sites (D) provide space and power but no equipment, leading to longer recovery. Geolocation (C) is unrelated.

Hot sites are a key disaster recovery solution discussed in SY0-701's Resilience and Recovery domain【6:Chapter 9†CompTIA Security+ Study Guide】.

The Annual Loss Expectancy (ALE) is most useful in determining whether the long-term cost to transfer a risk is less than the impact of the risk. ALE is calculated by multiplying the SingleLoss Expectancy (SLE) by the Annualized Rate of Occurrence (ARO), which provides an estimate of the annual expected loss due to a specific risk, making it valuable for long-term financial planning and risk management decisions.References: CompTIA Security+ SY0-701 course content and official CompTIA study resources.

Monitoring outbound traffic is essential for detecting unauthorized data exfiltration from a system. A new vulnerability that allows malware to move data unauthorizedly would typically attempt to send this data out of the network. By monitoring outbound traffic, security tools can detect unusual data transfers, trigger alerts, and help prevent the exfiltration of sensitive information.

References =

CompTIA Security+ SY0-701 Course Content: Domain 04 Security Operations​.

CompTIA Security+ SY0-601 Study Guide: Chapter on Threat Detection and Response​.

This is a classic example of Business Email Compromise (BEC), where attackers spoof or compromise trusted email accounts to trick employees into performing unauthorized financial transactions.

Vishing (B) is voice phishing, spear phishing (C) targets individuals with customized messages, and impersonation (D) is a general term for identity deception but BEC specifically describes financial fraud via email.

BEC is a major threat covered in the Threats domain of SY0-701【6:Chapter 2†CompTIA Security+ Study Guide】

Detective controls are security measures that are designed to identify and monitor any malicious activity or anomalies on a system or network. They can help to discover the source, scope, and impact of an attack, and provide evidence for further analysis or investigation. Detective controls include log files, security audits, intrusion detection systems, network monitoring tools, andantivirus software. In this case, the administrator used log files as a detective control to review the ransomware attack on the company’s system. Log files are records of events and activities that occur on a system or network, such as user actions, system errors, network traffic, and security alerts. They can provide valuable information for troubleshooting, auditing, and forensics.