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Thema
Einzelheiten

Thema 1

Security Operations: This domain is designed for CompTIA security architects and covers analyzing data to support monitoring and response activities, as well as assessing vulnerabilities and recommending solutions to reduce attack surfaces. Candidates will apply threat-hunting techniques and utilize threat intelligence concepts to enhance operational security.

Thema 2

Security Engineering: This section measures the skills of CompTIA security architects that involve troubleshooting common issues related to identity and access management (IAM) components within an enterprise environment. Candidates will analyze requirements to enhance endpoint and server security while implementing hardware security technologies. This domain also emphasizes the importance of advanced cryptographic concepts in securing systems.

Thema 3

Governance, Risk, and Compliance: This section of the exam measures the skills of CompTIA security architects that cover the implementation of governance components based on organizational security requirements, including developing policies, procedures, and standards. Candidates will learn about managing security programs, including awareness training on phishing and social engineering.

Thema 4

Security Architecture: This domain focuses on analyzing requirements to design resilient systems, including the configuration of firewalls and intrusion detection systems.

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CompTIA SecurityX Certification Exam CAS-005 Prüfungsfragen mit Lösungen (Q118-Q123):

118. Frage
After an incident response exercise, a security administrator reviews the following table:

Which of the following should the administrator do to beat support rapid incident response in the future?

A. Automate alerting to IT support for phone system outages.
B. Enable dashboards for service status monitoring
C. Send emails for failed log-In attempts on the public website
D. Configure automated Isolation of human resources systems

Antwort: B

Begründung:
Enabling dashboards for service status monitoring is the best action to support rapid incident response. The table shows various services with different risk, criticality, and alert severity ratings. To ensure timely and effective incident response, real-time visibility into the status of these services is crucial.
Why Dashboards for Service Status Monitoring?
Real-time Visibility: Dashboards provide an at-a-glance view of the current status of all critical services, enabling rapid detection of issues.
Centralized Monitoring: A single platform to monitor the status of multiple services helps streamline incident response efforts.
Proactive Alerting: Dashboards can be configured to show alerts and anomalies immediately, ensuring that incidents are addressed as soon as they arise.
Improved Decision Making: Real-time data helps incident response teams make informed decisions quickly, reducing downtime and mitigating impact.
Other options, while useful, do not offer the same level of comprehensive, real-time visibility and proactive alerting:
A . Automate alerting to IT support for phone system outages: This addresses one service but does not provide a holistic view.
C . Send emails for failed log-in attempts on the public website: This is a specific alert for one type of issue and does not cover all services.
D . Configure automated isolation of human resources systems: This is a reactive measure for a specific service and does not provide real-time status monitoring.
Reference:
CompTIA SecurityX Study Guide
NIST Special Publication 800-61 Revision 2, "Computer Security Incident Handling Guide"
"Best Practices for Implementing Dashboards," Gartner Research

119. Frage
A security engineer needs to review the configurations of several devices on the network to meet the following requirements:
* The PostgreSQL server must only allow connectivity in the 10.1.2.0/24 subnet.
* The SSH daemon on the database server must be configured to listen
to port 4022.
* The SSH daemon must only accept connections from a Single
workstation.
* All host-based firewalls must be disabled on all workstations.
* All devices must have the latest updates from within the past eight
days.
* All HDDs must be configured to secure data at rest.
* Cleartext services are not allowed.
* All devices must be hardened when possible.
Instructions:
Click on the various workstations and network devices to review the posture assessment results. Remediate any possible issues or indicate that no issue is found.
Click on Server A to review output data. Select commands in the appropriate tab to remediate connectivity problems to the pOSTGREsql DATABASE VIA ssh

WAP A

PC A

Laptop A

Switch A

Switch B:

Laptop B

PC B

PC C

Server A

Antwort:

Begründung:
WAP A: No issue found. The WAP A is configured correctly and meets the requirements.
PC A = Enable host-based firewall to block all traffic
This option will turn off the host-based firewall and allow all traffic to pass through. This will comply with the requirement and also improve the connectivity of PC A to other devices on the network. However, this option will also reduce the security of PC A and make it more vulnerable to attacks. Therefore, it is recommended to use other security measures, such as antivirus, encryption, and password complexity, to protect PC A from potential threats.
Laptop A: Patch management
This option will install the updates that are available for Laptop A and ensure that it has the most recent security patches and bug fixes. This will comply with the requirement and also improve the performance and stability of Laptop A. However, this option may also require a reboot of Laptop A and some downtime during the update process. Therefore, it is recommended to backup any important data and close any open applications before applying the updates.
Switch A: No issue found. The Switch A is configured correctly and meets the requirements.
Switch B: No issue found. The Switch B is configured correctly and meets the requirements.
Laptop B: Disable unneeded services
This option will stop and disable the telnet service that is using port 23 on Laptop B. Telnet is a cleartext service that transmits data in plain text over the network, which exposes it to eavesdropping, interception, and modification by attackers. By disabling the telnet service, you will comply with the requirement and also improve the security of Laptop B. However, this option may also affect the functionality of Laptop B if it needs to use telnet for remote administration or other purposes. Therefore, it is recommended to use a secure alternative to telnet, such as SSH or HTTPS, that encrypts the data in transit.
PC B: Enable disk encryption
This option will encrypt the HDD of PC B using a tool such as BitLocker or VeraCrypt. Disk encryption is a technique that protects data at rest by converting it into an unreadable format that can only be decrypted with a valid key or password. By enabling disk encryption, you will comply with the requirement and also improve the confidentiality and integrity of PC B's data. However, this option may also affect the performance and usability of PC B, as it requires additional processing time and user authentication to access the encrypted data. Therefore, it is recommended to backup any important data and choose a strong key or password before encrypting the disk.
PC C: Disable unneeded services
This option will stop and disable the SSH daemon that is using port 22 on PC C. SSH is a secure service that allows remote access and command execution over an encrypted channel. However, port 22 is the default and well-known port for SSH, which makes it a common target for brute-force attacks and port scanning. By disabling the SSH daemon on port 22, you will comply with the requirement and also improve the security of PC C. However, this option may also affect the functionality of PC C if it needs to use SSH for remote administration or other purposes. Therefore, it is recommended to enable the SSH daemon on a different port, such as 4022, by editing the configuration file using the following command:
sudo nano /etc/ssh/sshd_config
Server A. Need to select the following:
A black and white screen with white text Description automatically generated

120. Frage
A security architect is investigating instances of employees who had their phones stolen in public places through seemingly targeted attacks. Devices are able to access company resources such as email and internal documentation, some of which can persist in application storage. Which of the following would best protect the company from information exposure? (Select two).

A. Set up geofencing for corporate applications where the phone must be near an office
B. Enable device certificates that will be used for access to company resources
C. Enforce biometric access control with configured timeouts
D. Leverage an MDM solution to prevent the side loading of mobile applications
E. Use application control to restrict the applications that can be installed
F. Implement a remote wipe procedure if the phone does not check in for a period of time

Antwort: C,F

Begründung:
To protect company information on stolen mobile devices, implementingremote wipe proceduresensures data can be erased if a device is suspected lost or stolen.Biometric access controlwith enforced timeouts further secures the device, requiring biometric authentication periodically, thus limiting unauthorized access even if the device is stolen. Geofencing and certificates provide additional security layers but are less immediate protections against information exposure after theft. Application control and side-loading prevention are important for malware threats but less so for stolen device scenarios.
Reference:

121. Frage
A company is preparing to move a new version of a web application to production. No major issues were reported during security scanning or quality assurance in the CI/CD pipeline. Which of the following actions should the company take next?

A. Perform a peer review on the test branch.
B. Merge the test branch to the main branch.
C. Conduct unit testing on the submitted code.
D. Perform threat modeling on the production application.

Antwort: B

122. Frage
A security engineer must resolve a vulnerability in a deprecated version of Python for a custom-developed flight simul-ation application that is monitored and controlled remotely. The source code is proprietary and built with Python functions running on the Ubuntu operating system. Version control is not enabled for the application in development or production. However, the application must remain online in the production environment using built-in features. Which of the following solutions best reduces theattack surface of these issues and meets the outlined requirements?

A. Use an NFS network share. Update Python with aptitude, and update modules with pip in a test environment. Deploy the solution to production.
B. Enable branch protection in the GitHub repository. Update Python with aptitude, and update modules with pip in a test environment. Deploy the solution to production.
C. Configure version designation within the Python interpreter. Update Python with aptitude, and update modules with pip in a test environment. Deploy the solution to production.
D. Configure code-signing within the CI/CD pipeline, update Python with aptitude, and update modules with pip in a test environment. Deploy the solution to production.

Antwort: D

Begründung:
Code-signing within theCI/CD pipelineensures that only verified and signed code is deployed, mitigating the risk of supply chain attacks. Updating Python withaptitudeand updating modules withpipensures vulnerabilities are patched. Deploying the solution to production after testing maintains application availability while securing the development lifecycle.
* Branch protection (B)applies only to version-controlled environments, which is not the case here.
* NFS network share (C)does not address the deprecated Python vulnerability.
* Version designation (D)does not eliminate security risks from outdated dependencies.
Reference:CompTIA SecurityX (CAS-005) Exam Objectives- Domain 3.0 (Security Engineering), Section onSoftware Assurance and Secure Development

123. Frage
......

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