CompTIA CAS-003 問題集

質問 1：
A regional transportation and logistics company recently hired its first Chief Information Security Officer (CISO). The CISO's first project after onboarding involved performing a vulnerability assessment against the company's public facing network. The completed scan found a legacy collaboration platform application with a critically rated vulnerability. While discussing this issue with the line of business, the CISO learns the vulnerable application cannot be updated without the company incurring significant losses due to downtime or new software purchases.
Which of the following BEST addresses these concerns?
A. The company should plan future maintenance windows such legacy application can be updated as needed.
B. The CISO must accept the risk of the legacy application, as the cost of replacing the application greatly exceeds the risk to the company.
C. The company should build a parallel system and perform a cutover from the old application to the new application, with less downtime than an upgrade.
D. The company should implement a WAF in front of the vulnerable application to filter out any traffic attempting to exploit the vulnerability.
正解：D

質問 2：
A remote user reports the inability to authenticate to the VPN concentrator. During troubleshooting, a security administrate captures an attempted authentication and discovers the following being presented by the user's VPN client:

Which of the following BEST describes the reason the user is unable to connect to the VPN service?
A. The user's certificate was not created for VPN use
B. The user's certificate is not signed by the VPN service provider
C. The user's certificate was created using insecure encryption algorithms
D. The user's certificate has been compromised and should be revoked.
正解：D

質問 3：
A company has a DLP system with the following capabilities:
* Text examination
* Optical character recognition
* File type validation
* Multilingual translation of key words and phrases
* Blocking of content encrypted with a known cipher
* Examination of all egress points
Despite the existing protections a malicious insider was able to exfilltrated confidential information DLP logs show the malicious insider transferred a number of JPEG files to an external host but each of those files appears as negative for the presence of confidential information. Which of the following are the MOST likely s for this issue? (Select TWO)
A. Scrambling the confidential information using a proprietary obfuscation scheme before sending the files via email
B. Printing the documents to TIFF images and attaching the files to outbound email messages
C. Placing the documents containing sensitive information into an AES-256 encrypted compressed archive file and using FTP to send them to an outside host
D. Changing the extension of Word files containing confidential information to jpg and uploading them to a file sharing site
E. Translating the confidential information horn English into Farsi and then into French to avoid detection
F. Leveraging stenography to hide the information within the JPEG files
正解：A,F

質問 4：
In the past, the risk committee at Company A has shown an aversion to even minimal amounts of risk acceptance. A security engineer is preparing recommendations regarding the risk of a proposed introducing legacy ICS equipment. The project will introduce a minor vulnerability into the enterprise. This vulnerability does not significantly expose the enterprise to risk and would be expensive against.
Which of the following strategies should the engineer recommended be approved FIRST?
A. Avoid
B. Accept
C. Mitigate
D. Transfer
正解：C

質問 5：
A security architect is implementing security measures in response to an external audit that found vulnerabilities in the corporate collaboration tool suite. The report identified the lack of any mechanism to provide confidentiality for electronic correspondence between users and between users and group mailboxes. Which of the following controls would BEST mitigate the identified vulnerability?
A. Federate with an existing PKI provider, and reject all non-signed emails
B. Implement two-factor email authentication, and require users to hash all email messages upon receipt
C. Issue digital certificates to all users, including owners of group mailboxes, and enable S/MIME
D. Provide digital certificates to all systems, and eliminate the user group or shared mailboxes
正解：C

質問 6：
A technician is configuring security options on the mobile device manager for users who often utilize public Internet connections while travelling. After ensuring that full disk encryption is enabled, which of the following security measures should the technician take? (Choose two.)
A. Require all mobile device backups to be encrypted
B. Implement an always-on VPN
C. Ensure all mobile devices back up using USB OTG
D. Issue a remote wipe of corporate and personal partitions
E. Restrict devices from making long-distance calls during business hours
正解：B,D

質問 7：
A company runs a well -attended, on-premises fitness club for its employees, about 200 of them each day. Employees want to sync center's login and attendance program with their smartphones. Human resources, which manages the contract for the fitness center, has asked the security architecture to help draft security and privacy requirements. Which of the following would BEST address these privacy concerns?
A. Use biometric authentication.
B. Implement containerization
C. Block unauthorized domain bridging.
D. Utilize geolocation/geofencing.
正解：A

質問 8：
A security analyst has requested network engineers integrate sFlow into the SOC's overall monitoring picture. For this to be a useful addition to the monitoring capabilities, which of the following must be considered by the engineering team?
A. Overall bandwidth available at Internet PoP
B. Optimal placement of log aggregators
C. Availability of application layer visualizers
D. Effective deployment of network taps
正解：C