Free CompTIA CAS-005 Practice Exam with Questions & Answers | Set: 7

In serverless computing, organizations rely heavily on CSPs to manage the infrastructure, runtime, and scaling. A key risk is thelevel of control and influence governments have over CSPs, potentially affecting availability, access, or confidentiality of hosted services due to legal orders or government actions. Concerns about virtualization technologies, scalability, or third-party monitoring are valid but less critical compared to the overarching legal and control risks tied to CSP reliance.

Forward secrecy (FS) ensures that past encrypted data remains secure even if encryption keys are compromised in the future. Itgenerates ephemeral session keys that are not reused.

Other options:

A (Tokenization) replaces sensitive data with tokens but does not prevent key compromise.

B (Key stretching) makes brute-force attacks harder but does not ensure secrecy after compromise.

D (Simultaneous Authentication of Equals – SAE) is used in WPA3 but is not related to past communication security.

The event timeline indicates a sequence where a file (hr-reporting.docx) was saved, scanned, executed, and eventually found to contain malware. The critical issue here is that the malware scan completed after the file was already executed. This suggests a Time-Of-Check to Time-Of-Use (TOCTOU) vulnerability, where the state of the file changed between the time it was checked and the time it was used.

Implementing security and quality checks in a CI/CD pipeline ensures that:

Container images are scanned for vulnerabilities beforedeployment.

Version control is enforced, preventing unauthorized changes.

Hashes validate image integrity.

Other options:

A (Configuring ACLs on mesh networks) improves access control but does not ensure scanning.

C (Audits on container images) detect changes but do not enforce best practices.

D (Pulling from a vendor repository) does not ensure vulnerability scanning.

The immediate action after discovering ransomware is toisolate the affected serversto prevent further spread of the malware to other systems in the network. Paying the ransom is not recommended as it does not guarantee data recovery and encourages criminal behavior. Notifying law enforcement is necessary, but containment must happen first to limit damage. Requesting server restoration should only occur after containment and a thorough investigation to ensure no remnants of ransomware remain.