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CAS-005 β€” questions

Page 7 of 20 Β· 393 total questions.

Topic 1 Β· Question 125

A security engineer is reviewing the results of an annual penetration test. The report lists one of the results as "critical severity" on several domain-joined workstations: SSL/TLS Weak Protocols Supported TLS 1.0, TLS 1.1 Which of the following should the security engineer implement to remediate this finding in the most centralized manner?

  • AAn SCCM patch to disable weak protocols in the Schannel hive
  • BA GPO to disable weak protocols in the Schannel hive (correct answer)
  • CA PowerShell script to disable weak protocols in the HKLM Schannel hive
  • DA registry script to disable weak protocols in the Schannel hive
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: A GPO to disable weak protocols in the Schannel hive This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 126

An analyst reviews a SIEM and generates the following report: Only HOST002 is authorized for internet traffic. Which of the following statements is accurate?

Exhibit 1 for question 126
  • AThe VM002 host is misconfigured and needs to be revised by the network team.
  • BThe HOST002 host is under attack, and a security incident should be declared.
  • CThe SIEM platform is reporting multiple false positives on the alerts. (correct answer)
  • DThe network connection activity is unusual, and a network infection is highly possible.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: The SIEM platform is reporting multiple false positives on the alerts.

Explanation

A SIEM centralizes and correlates security events to support detection, investigation, and reporting.

Topic 1 Β· Question 127

A company wants to implement a three-tier approach to separate the web, database, and application servers. A security administrator must harden the environment. Which of the following is the best solution?

  • ADeploying a VPN to prevent remote locations from accessing server VLANs
  • BConfiguring a SASE solution to restrict users to server communication
  • CImplementing microsegmentation on the server VLANs (correct answer)
  • DInstalling a firewall and making it the network core
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Implementing microsegmentation on the server VLANs

Explanation

A VLAN creates a logical layer-2 broadcast domain to segment devices independently of physical location. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 128

A systems administrator wants to use existing resources to automate reporting from disparate security appliances that do not currently communicate. Which of the following is the best way to meet this objective?

  • AConfiguring an API integration to aggregate the different data sets (correct answer)
  • BCombining back-end application storage into a single, relational database
  • CPurchasing and deploying commercial off-the-shelf aggregation software
  • DMigrating application usage logs to on-premises storage
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Configuring an API integration to aggregate the different data sets This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 129 Β· Select all that apply

A vulnerability scan on a web server identified the following: Which of the following actions would most likely eliminate on-path decryption attacks? (Choose two.)

Exhibit 1 for question 129
  • ADisallowing cipher suites that use ephemeral modes of operation for key agreement
  • BRemoving support for CBC-based key exchange and signing algorithms (correct answer)
  • CAdding TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA256 (correct answer)
  • DImplementing HIPS rules to identify and block BEAST attack attempts
  • ERestricting cipher suites to only allow TLS_RSA_WITH_AES_128_CBC_SHA
  • FIncreasing the key length to 256 for TLS_RSA_WITH_AES_128_CBC_SHA
Reveal answer & explanation
Correct answer: B, C

The correct answer is B, C. Option B: Removing support for CBC-based key exchange and signing algorithms Option C: Adding TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA256

Explanation

TLS protects data in transit with authenticated encryption between network endpoints.

Topic 1 Β· Question 130

A company’s help desk is experiencing a large number of calls from the finance department stating access issues to www.bank.com. The security operations center reviewed the following security logs: Which of the following is most likely the cause of the issue?

Exhibit 1 for question 130
  • ARecursive DNS resolution is failing.
  • BThe DNS record has been poisoned. (correct answer)
  • CDNS traffic is being sinkholed.
  • DThe DNS was set up incorrectly.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: The DNS record has been poisoned.

Explanation

DNS resolves host names to records such as IP addresses and service locations. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 131

A financial services organization is using AI to fully automate the process of deciding client loan rates. Which of the following should the organization be most concerned about from a regulatory perspective?

  • AModel explain ability (correct answer)
  • BCredential theft
  • CPossible prompt injections
  • DExposure to social engineering
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Model explain ability

Topic 1 Β· Question 132

A security analyst is reviewing the following log: Which of the following possible events should the security analyst investigate further?

Exhibit 1 for question 132
  • AA macro that was prevented from running
  • BA text file containing passwords that were leaked
  • CA malicious file that was run in this environment (correct answer)
  • DA PDF that exposed sensitive information improperly
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: A malicious file that was run in this environment This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 133

A security operations engineer needs to prevent inadvertent data disclosure when encrypted SSDs are reused within an enterprise. Which of the following is the most secure way to achieve this goal?

  • AExecuting a script that deletes and overwrites all data on the SSD three times
  • BWiping the SSD through degaussing
  • CSecurely deleting the encryption keys used by the SSD (correct answer)
  • DWriting non-zero, random data to all cells of the SSD
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Securely deleting the encryption keys used by the SSD

Explanation

Encryption protects confidentiality by making data unreadable without the appropriate key. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 134

A security professional is investigating a trend in vulnerability findings for newly deployed cloud systems. Given the following output: Which of the following actions would address the root cause of this issue?

Exhibit 1 for question 134
  • AAutomating the patching system to update base images (correct answer)
  • BRecompiling the affected programs with the most current patches
  • CDisabling unused/unneeded ports on all servers
  • DDeploying a WAF with virtual patching upstream of the affected systems.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Automating the patching system to update base images This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 135

A company established a new process for business analysts to receive emails that contain links for purchase requests. The new process requires links to be submitted through new emails. Which of the following is the best way to secure this process without disrupting order fulfillment?

  • ADeploying a browser isolation solution (correct answer)
  • BBlocking all potentially malicious links
  • CEnforcing security awareness training
  • DImplementing DNS filtering
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Deploying a browser isolation solution This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 136

An organization receives OSINT reports about an increase in ransomware targeting fileshares at peer companies. The organization wants to deploy hardening policies to its servers and workstations in order to contain potential ransomware. Which of the following should an engineer do to best achieve this goal?

  • AAllow only interactive log-in for users on workstations and restrict port 445 traffic to fileshares. (correct answer)
  • BEnable biometric authentication mechanisms on user workstations and block port 53 traffic.
  • CInstruct users to use a password manager when generating new credentials and secure port 443 traffic.
  • DGive users permission to rotate administrator passwords and deny port 80 traffic.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Allow only interactive log-in for users on workstations and restrict port 445 traffic to fileshares.

Topic 1 Β· Question 137

A malicious actor exploited firmware vulnerabilities and used rootkits in an attack on an organization. After the organization recovered from the incident, an engineer needs to recommend a solution that reduces the likelihood of the same type of attack in the future. Which of the following is the most relevant solution?

  • AEnabling software integrity checks
  • BInstalling self-encrypting drives
  • CImplementing measured boot (correct answer)
  • DConfiguring host-based encryption
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Implementing measured boot

Topic 1 Β· Question 138

Which of the following enables the meaningful manipulation of encrypted data when the processor does not know the encryption key?

  • ASimultaneous authentication of equals
  • BEnvelope encryption
  • CAuthenticated encryption with associated data
  • DHomomorphic encryption (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Homomorphic encryption

Explanation

Encryption protects confidentiality by making data unreadable without the appropriate key. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 139 Β· Select all that apply

Emails that the marketing department is sending to customers are going to the customers’ spam folders. The security team is investigating the issue and discovers that the certificates used by the email server were reissued, but DNS records had not been updated. Which of the following should the security team update in order to fix this issue? (Choose three.)

  • ADMARC (correct answer)
  • BSPF (correct answer)
  • CDKIM (correct answer)
  • DDNSSEC
  • ESASE
  • FSAN
  • GSOA
  • HMX
Reveal answer & explanation
Correct answer: A, B, C

The correct answer is A, B, C. Option A: DMARC Option B: SPF Option C: DKIM This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 140

A security engineer performed a code scan that resulted in many false positives. The security engineer must find a solution that improves the quality of scanning results before application deployment. Which of the following is the best solution?

  • ALimiting the tool to a specific coding language and tuning the rule set (correct answer)
  • BConfiguring branch protection rules and dependency checks
  • CUsing an application vulnerability scanner to identify coding flaws in production
  • DPerforming updates on code libraries before code development
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Limiting the tool to a specific coding language and tuning the rule set This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 141

A global company with a remote workforce implemented a new VPN solution. After deploying the VPN solution to several hundred users, the help desk starts receiving reports of slow access to both internally and externally available applications. A security analyst reviews the following: VPN client routing: 0.0.0.0/0 eth1 Which of the following solutions should the analyst use to fix this issue?

  • AMove the servers to a screened subnet.
  • BEnable split tunneling. (correct answer)
  • CConfigure an NAC solution.
  • DImplement DNS over HTTPS.
Reveal answer & explanation
Correct answer: B

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

Topic 1 Β· Question 142

A security analyst is reviewing suspicious log-in activity and sees the following data in the SIEM: Which of the following is the most appropriate action for the analyst to take?

Exhibit 1 for question 142
  • AUpdate the log configuration settings on the directory server that is not being captured properly. (correct answer)
  • BHave the admin account owner change their password to avoid credential stuffing.
  • CBlock employees from logging in to applications that are not part of their business area.
  • DImplement automation to disable accounts that have been associated with high-risk activity.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Update the log configuration settings on the directory server that is not being captured properly. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 143

An organization determined its preparedness for a ransomware attack is inadequate. A security administrator is working on ways to improve and monitor the organization's response to ransomware attacks. Which of the following is the best action for the administrator to take?

  • AConduct backup testing. (correct answer)
  • BDefine the recovery point objective.
  • CPerform a business impact analysis.
  • DVerify the encryption key length.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Conduct backup testing. This option keeps traffic private / properly secured as required.

Topic 1 Β· Question 144

A security engineer receives an alert from the SIEM platform indicating a possible malicious action on the internal network. The engineer generates a report that outputs the logs associated with the incident: Which of the following actions best enables the engineer to investigate further?

Exhibit 1 for question 144
  • AConsulting logs from the enterprise password manager
  • BSearching dark web monitoring resources for exposure
  • CReviewing audit logs from privileged actions
  • DQuerying user behavior analytics data (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Querying user behavior analytics data This option keeps traffic private / properly secured as required.

Showing questions 121–140 of 393 Β· Page 7 of 20