Q281. - (Topic 1)
Joe, a hacker, has discovered he can specifically craft a webpage that when viewed in a browser crashes the browser and then allows him to gain remote code execution in the context of the victim’s privilege level. The browser crashes due to an exception error when a heap memory that is unused is accessed. Which of the following BEST describes the application issue?
A. Integer overflow
B. Click-jacking
C. Race condition
D. SQL injection
E. Use after free
F. Input validation
Answer: E
Q282. - (Topic 2)
A business unit of a large enterprise has outsourced the hosting and development of a new external website which will be accessed by premium customers, in order to speed up the time to market timeline. Which of the following is the MOST appropriate?
A. The external party providing the hosting and website development should be obligated under contract to provide a secure service which is regularly tested (vulnerability and penetration). SLAs should be in place for the resolution of newly identified vulnerabilities and a guaranteed uptime.
B. The use of external organizations to provide hosting and web development services is not recommended as the costs are typically higher than what can be achieved internally. In addition, compliance with privacy regulations becomes more complex and guaranteed uptimes are difficult to track and measure.
C. Outsourcing transfers all the risk to the third party. An SLA should be in place for the resolution of newly identified vulnerabilities and penetration / vulnerability testing should be conducted regularly.
D. Outsourcing transfers the risk to the third party, thereby minimizing the cost and any legal obligations. An MOU should be in place for the resolution of newly identified vulnerabilities and penetration / vulnerability testing should be conducted regularly.
Answer: A
Q283. - (Topic 4)
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. UCF
C. ISO 27002
D. eGRC
Answer: D
Q284. - (Topic 3)
A corporation has Research and Development (R&D) and IT support teams, each requiring separate networks with independent control of their security boundaries to support department objectives. The corporation’s Information Security Officer (ISO) is responsible for providing firewall services to both departments, but does not want to increase the hardware footprint within the datacenter. Which of the following should the ISO consider to provide the independent functionality required by each department’s IT teams?
A. Put both departments behind the firewall and assign administrative control for each department to the corporate firewall.
B. Provide each department with a virtual firewall and assign administrative control to the physical firewall.
C. Put both departments behind the firewall and incorporate restrictive controls on each department’s network.
CompTIA CAS-002 : Practice Test
D. Provide each department with a virtual firewall and assign appropriate levels of management for the virtual device.
Answer: D
Q285. - (Topic 2)
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 AES in Electronic Codebook mode
B. Use RC4 in Cipher Block Chaining mode
C. Use RC4 with Fixed IV generation
D. Use AES with cipher text padding
E. Use RC4 with a nonce generated IV
F. Use AES in Counter mode
Answer: E,F
Q286. - (Topic 5)
The Chief Information Officer (CIO) is focused on improving IT governance within the organization to reduce system downtime. The CIO has mandated that the following improvements be implemented:
-All business units must now identify IT risks and include them in their business risk profiles.
-Key controls must be identified and monitored.
-Incidents and events must be recorded and reported with management oversight.
-Exemptions to the information security policy must be formally recorded, approved, and managed.
-IT strategy will be reviewed to ensure it is aligned with the businesses strategy and objectives.
In addition to the above, which of the following would BEST help the CIO meet the requirements?
A. Establish a register of core systems and identify technical service owners
B. Establish a formal change management process
C. Develop a security requirement traceability matrix
D. Document legacy systems to be decommissioned and the disposal process
Answer: B
Q287. - (Topic 2)
Ann is testing the robustness of a marketing website through an intercepting proxy. She has intercepted the following HTTP request:
POST /login.aspx HTTP/1.1
Host: comptia.org
Content-type: text/html
txtUsername=ann&txtPassword=ann&alreadyLoggedIn=false&submit=true
Which of the following should Ann perform to test whether the website is susceptible to a simple authentication bypass?
A. Remove all of the post data and change the request to /login.aspx from POST to GET
B. Attempt to brute force all usernames and passwords using a password cracker
C. Remove the txtPassword post data and change alreadyLoggedIn from false to true
D. Remove the txtUsername and txtPassword post data and toggle submit from true to false
Answer: C
Q288. - (Topic 3)
A company receives a subpoena for email that is four years old. Which of the following should the company consult to determine if it can provide the email in question?
A. Data retention policy
B. Business continuity plan
C. Backup and archive processes
D. Electronic inventory
Answer: A
Q289. - (Topic 5)
A company is in the process of outsourcing its customer relationship management system to a cloud provider. It will host the entire organization’s customer database. The database will be accessed by both the company’s users and its customers. The procurement department has asked what security activities must be performed for the deal to proceed. Which of the following are the MOST appropriate security activities to be performed as part of due diligence? (Select TWO).
A. Physical penetration test of the datacenter to ensure there are appropriate controls.
B. Penetration testing of the solution to ensure that the customer data is well protected.
C. Security clauses are implemented into the contract such as the right to audit.
D. Review of the organizations security policies, procedures and relevant hosting certifications.
E. Code review of the solution to ensure that there are no back doors located in the software.
Answer: C,D
Q290. - (Topic 1)
The Chief Executive Officer (CEO) of a large prestigious enterprise has decided to reduce business costs by outsourcing to a third party company in another country. Functions to be outsourced include: business analysts, testing, software development and back office functions that deal with the processing of customer data. The Chief Risk Officer (CRO) is concerned about the outsourcing plans. Which of the following risks are MOST likely to occur if adequate controls are not implemented?
A. Geographical regulation issues, loss of intellectual property and interoperability agreement issues
B. Improper handling of client data, interoperability agreement issues and regulatory issues
C. Cultural differences, increased cost of doing business and divestiture issues
D. Improper handling of customer data, loss of intellectual property and reputation damage
Answer: D