CompTIA CAS-002 問題集

質問 1：
A system worth $100,000 has an exposure factor of eight percent and an ARO of four.
Which of the following figures is the system's SLE?
A. $8,000
B. $32,000
C. $12,000
D. $2,000
正解：A

質問 2：
Company XYZ is in negotiations to acquire Company ABC for $1.2millon. Due diligence activities have uncovered systemic security issues in the flagship product of Company ABC. It has been established that a complete product rewrite would be needed with average estimates indicating a cost of $1.6millon. Which of the following approaches should the risk manager of Company XYZ recommend?
A. Accept the risk
B. Avoid the risk
C. Transfer the risk
D. Mitigate the risk
正解：B

質問 3：
A security administrator has been asked to select a cryptographic algorithm to meet the criteria of a new application. The application utilizes streaming video that can be viewed both on computers and mobile devices. The application designers have asked that the algorithm support the transport encryption with the lowest possible performance overhead.
Which of the following recommendations would BEST meet the needs of the application designers? (Select TWO).
A. Use RC4 with Fixed IV generation
B. Use AES in Electronic Codebook mode
C. Use RC4 with a nonce generated IV
D. Use AES in Counter mode
E. Use AES with cipher text padding
F. Use RC4 in Cipher Block Chaining mode
正解：C,D

質問 4：
The sales team is considering the deployment of a new CRM solution within the enterprise.
The IT and Security teams are members of the project; however, neither team has expertise or experience with the proposed system. Which of the following activities should be performed FIRST?
A. Work with Finance to do a second ROI calculation before continuing further with the project.
B. Research the market, select the top vendors and solicit RFPs from those vendors.
C. Contact the top vendor, assign IT and Security to work together to implement a demo and pen test the system.
D. Visit a company who already has the technology, sign an NDA, and read their latest risk assessment.
正解：B

質問 5：
CORRECT TEXT
Compliance with company policy requires a quarterly review of firewall rules. A new administrator is asked to conduct this review on the internal firewall sitting between several Internal networks. The intent of this firewall is to make traffic more restrictive. Given the following information answer the questions below:
User Subnet: 192.168.1.0/24 Server Subnet: 192.168.2.0/24 Finance
Subnet:192.168.3.0/24
Instructions: To perform the necessary tasks, please modify the DST port, Protocol, Action, and/or Rule Order columns. Firewall ACLs are read from the top down Task 1) An administrator added a rule to allow their machine terminal server access to the server subnet. This rule is not working. Identify the rule and correct this issue.
Task 2) All web servers have been changed to communicate solely over SSL. Modify the appropriate rule to allow communications.
Task 3) An administrator added a rule to block access to the SQL server from anywhere on the network. This rule is not working. Identify and correct this issue.
Task 4) Other than allowing all hosts to do network time and SSL, modify a rule to ensure that no other traffic is allowed.


正解：
Please look into the explanation for the solution to this question.
Explanation:
Firewall rules should be re-arranged to look like this:


質問 6：
The network administrator at an enterprise reported a large data leak. One compromised server was used to aggregate data from several critical application servers and send it out to the Internet using HTTPS. Upon investigation, there have been no user logins over the previous week and the endpoint protection software is not reporting any issues. Which of the following BEST provides insight into where the compromised server collected the information?
A. Correlate data loss prevention logs for anomalous communications from the server.
B. Configure the server logs to collect unusual activity including failed logins and restarted services.
C. Setup a packet capture on the firewall to collect all of the server communications.
D. Review the flow data against each server's baseline communications profile.
正解：D

質問 7：
An organization is finalizing a contract with a managed security services provider (MSSP) that is responsible for primary support of all security technologies. Which of the following should the organization require as part of the contract to ensure the protection of the organization's technology?
A. A service level agreement
B. An operational level agreement
C. An interconnection security agreement
D. A non-disclosure agreement
正解：C

質問 8：
An external auditor has found that IT security policies in the organization are not maintained and in some cases are nonexistent. As a result of the audit findings, the CISO has been tasked with the objective of establishing a mechanism to manage the lifecycle of IT security policies. Which of the following can be used to BEST achieve the CISO's objectives?
A. CoBIT
B. ISO 27002
C. eGRC
D. UCF
正解：C