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CAS-005 β€” questions

Page 3 of 20 Β· 393 total questions.

Topic 1 Β· Question 41

A web application server is running a legacy operating system with an unpatched RCE vulnerability. The server cannot be upgraded until the corresponding application code is changed. Which of the following compensating controls would best prevent successful exploitation?

  • ASegmentation (correct answer)
  • BCASB
  • CHIPS
  • DUEBA
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Segmentation

Topic 1 Β· Question 42

Which of the following is the reason why security engineers often cannot upgrade the security of embedded facility automation systems?

  • AThey are constrained by available compute. (correct answer)
  • BThey lack x86-64 processors.
  • CThey lack EEPROM.
  • DThey are not logic-bearing devices.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: They are constrained by available compute. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 43

A security analyst identified a vulnerable and deprecated runtime engine that Is supporting a public-facing banking application. The developers anticipate the transition to modern development environments will take at least a month. Which of the following controls would best mitigate the risk without interrupting the service during the transition?

  • AShutting down the systems until the code is ready
  • BUninstalling the impacted runtime engine
  • CSelectively blocking traffic on the affected port
  • DConfiguring IPS and WAF with signatures (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Configuring IPS and WAF with signatures

Explanation

An intrusion prevention system detects and actively blocks malicious traffic inline. Network address translation maps addresses between networks and commonly lets private hosts share public connectivity. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 44

A security architect wants to ensure a remote host's identity and decides that pinning the X.509 certificate to the device is the most effective solution. Which of the following must happen first?

  • AUse Distinguished Encoding Rules (DER) for the certificate.
  • BExtract the private key from the certificate.
  • CUse an out-of-band method to obtain the certificate. (correct answer)
  • DCompare the retrieved certificate with the embedded certificate.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Use an out-of-band method to obtain the certificate.

Explanation

A certificate binds a public key to an identity through a trusted certificate authority. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 45

A company hired a third-party consultant to run a cybersecurity incident simulation in order to identify security gaps and prepare stakeholders for a potential incident. Which of the following best describes this activity?

  • ATabletop exercise (correct answer)
  • BWalk-through review
  • CLessons learned
  • DBusiness impact analysis
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Tabletop exercise This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 46

A security officer is requiring all personnel working on a special project to obtain a security clearance requisite with the level of all information being accessed. Data on this network must be protected at the same level of each clearance holder. The need to know must be verified by the data owner. Which of the following should the security officer do to meet these requirements?

  • ACreate a rule to authorize personnel only from certain IPs to access the files.
  • BAssign labels to the files and require formal access authorization. (correct answer)
  • CAssign attributes to each file and allow authorized users to share the files.
  • DAssign roles to users and authorize access to files based on the roles.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Assign labels to the files and require formal access authorization. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 47

A security team receives alerts regarding impossible travel and possible brute-force attacks after normal business hours. After reviewing more logs, the team determines that specific users were targeted and attempts were made to transfer data to an unknown site. Which of the following should the team do to help mitigate these issues?

  • ACreate a firewall rule to prevent those users from accessing sensitive data.
  • BRestrict uploading activity to only authorized sites. (correct answer)
  • CEnable packet captures to continue to run for the source and destination related to the file transfer.
  • DDisable login activity for those users after business hours.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Restrict uploading activity to only authorized sites. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 48

A company recently acquired a SaaS company and performed a gap analysis. The results of the gap analysis Indicate security controls are absent throughout the SDLC and have led to several vulnerable production releases. Which of the following security tools best reduces the risk of vulnerable code being pushed to production in the future?

  • AStatic application security testing (correct answer)
  • BRegression testing
  • CCode signing
  • DSandboxing
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Static application security testing This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 49

Which of the following is the best reason for obtaining file hashes from a confiscated laptop?

  • ATo prevent metadata tampering on each file
  • BTo later validate the integrity of each file (correct answer)
  • CTo generate unique identifiers for each file
  • DTo preserve the chain of custody of files
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: To later validate the integrity of each file

Topic 1 Β· Question 50 Β· Select all that apply

A security analyst is using data provided from a recent penetration test to calculate CVSS scores to prioritize remediation. Which of the following metric groups would the analyst need to determine to get the overall scores? (Choose three.)

  • ATemporal (correct answer)
  • BAvailability
  • CIntegrity
  • DConfidentiality
  • EBase (correct answer)
  • FEnvironmental (correct answer)
  • GImpact
  • HAttack vector
Reveal answer & explanation
Correct answer: A, E, F

The correct answer is A, E, F. Option A: Temporal Option E: Base Option F: Environmental This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 51

Which of the following describes how a risk assessment is performed when an organization has a critical vendor that provides multiple products?

  • AAt the individual product level (correct answer)
  • BThrough the selection of a random product
  • CUsing a third-party audit report
  • DBy choosing a major product
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: At the individual product level

Topic 1 Β· Question 52

A security engineer is performing a vulnerability management scan on multihomed Linux systems. The engineer notices that the vulnerability count is high due to the fact that each vulnerability is multiplied by the number of NICs on each system. Which of the following should the engineer do to deduplicate the vulnerabilities and to associate the vulnerabilities with a particular host?

  • AUse a SCAP scanner.
  • BDeploy an agent. (correct answer)
  • CInitiate a discovery scan.
  • DPerform an Nmap scan.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Deploy an agent. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 53

Which of the following best describes a risk associated with using facial recognition to locally authenticate to a mobile device?

  • AData remanence
  • BDeepfake
  • CMetadata scraping
  • DBiometric impersonation (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Biometric impersonation

Explanation

Network address translation maps addresses between networks and commonly lets private hosts share public connectivity.

Topic 1 Β· Question 54

The principal security analyst for a global manufacturer is investigating a security incident related to abnormal behavior in the ICS network. A controller was restarted as part of the troubleshooting process, and the following issue was identified when the controller was restarted: SECURE BOOT FAILED: FIRMWARE MISMATCH EXPECTED UXFDC479 ACTUAL 0x79F31B During the investigation, this modified firmware version was identified on several other controllers at the site. The official vendor firmware versions do not have this checksum. Which of the following stages of the MITRE ATT&CK framework for ICS includes this technique?

  • AEvasion
  • BPersistence (correct answer)
  • CCollection
  • DLateral movement
Reveal answer & explanation
Correct answer: B

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

Topic 1 Β· Question 55 Β· Select all that apply

A web service provider has just taken on a very large contract that comes with requirements that are currently not being implemented. In order to meet contractual requirements, the company must achieve the following thresholds: 99.99% uptime Load time in 3 seconds - Response time = <1.0 seconds - Starting with the computing environment, which of the following should a security engineer recommend to best meet the requirements? (Choose three.)

  • AInstalling a firewall at corporate headquarters
  • BDeploying a content delivery network (correct answer)
  • CImplementing server clusters (correct answer)
  • DEmploying bare-metal loading of applications (correct answer)
  • ELowering storage input/output
  • FImplementing RAID on the backup servers
  • GUtilizing redundant power for all developer workstations
Reveal answer & explanation
Correct answer: B, C, D

The correct answer is B, C, D. Option B: Deploying a content delivery network Option C: Implementing server clusters Option D: Employing bare-metal loading of applications This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 56

An analyst is working to address a potential compromise of a corporate endpoint and discovers the attacker accessed a user's credentials. However, it is unclear if the system baseline was modified to achieve persistence. Which of the following would most likely support forensic activities in this scenario?

  • ASide-channel analysis
  • BBit-level disk duplication (correct answer)
  • CSoftware composition analysis
  • DSCAP scanner
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Bit-level disk duplication

Topic 1 Β· Question 57

A company is decommissioning old servers and hard drives that contain sensitive data. Which of the following best protects against data leakage?

  • APurging
  • BClearing
  • CShredding (correct answer)
  • DDegaussing
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Shredding

Topic 1 Β· Question 58

An engineer has had scaling issues with a web application hosted on premises and would like to move to a serverless architecture. Which of the following cloud benefits would be best to utilize for this project?

  • ACost savings for hosting
  • BAutomation of resource provisioning (correct answer)
  • CProviding geo-redundant hosting
  • DEliminating need to patch
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Automation of resource provisioning

Topic 1 Β· Question 59

An organization needs to classify its systems and data in accordance with external requirements. Which of the following roles is best qualified to perform this task?

  • ASystems administrator
  • BData owner (correct answer)
  • CData processor
  • DData custodian
  • EData steward
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Data owner

Topic 1 Β· Question 60

A company is developing an application that will be used to perform e-commerce transactions for a subscription-based service. The application must be able to use previously saved payment methods to perform recurring transactions. Which of the following is the most appropriate?

  • ATokenization through an HSM (correct answer)
  • BSelf-encrypting disks with field-level encryption
  • CNX/XN Implementation to minimize data retention
  • DToken-based access for application users
  • EAddress space layout randomization
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Tokenization through an HSM

Showing questions 41–60 of 393 Β· Page 3 of 20