Most up-to-date CAS-002: Pass4sure real answers from 221 to 230
Q221. - (Topic 4)
Due to a new regulatory requirement, ABC Company must now encrypt all WAN transmissions. When speaking with the network administrator, the security administrator learns that the existing routers have the minimum processing power to do the required level of encryption. Which of the following solutions minimizes the performance impact on the router?
A. Deploy inline network encryption devices
B. Install an SSL acceleration appliance
C. Require all core business applications to use encryption
D. Add an encryption module to the router and configure IPSec
Q222. - (Topic 4)
In order to reduce costs and improve employee satisfaction, a large corporation is creating a BYOD policy. It will allow access to email and remote connections to the corporate enterprise from personal devices; provided they are on an approved device list. Which of the following security measures would be MOST effective in securing the enterprise under the new policy? (Select TWO).
A. Provide free email software for personal devices.
B. Encrypt data in transit for remote access.
C. Require smart card authentication for all devices
D. Implement NAC to limit insecure devices access.
E. Enable time of day restrictions for personal devices.
Q223. - (Topic 4)
A security administrator is tasked with implementing two-factor authentication for the company VPN. The VPN is currently configured to authenticate VPN users against a backend RADIUS server. New company policies require a second factor of authentication, and the Information Security Officer has selected PKI as the second factor. Which of the following should the security administrator configure and implement on the VPN concentrator to implement the second factor and ensure that no error messages are displayed to the user during the VPN connection? (Select TWO).
A. The user’s certificate private key must be installed on the VPN concentrator.
B. The CA’s certificate private key must be installed on the VPN concentrator.
C. The user certificate private key must be signed by the CA.
D. The VPN concentrator’s certificate private key must be signed by the CA and installed on the VPN concentrator.
E. The VPN concentrator’s certificate private key must be installed on the VPN concentrator.
F. The CA’s certificate public key must be installed on the VPN concentrator.
Q224. - (Topic 1)
Ann, a systems engineer, is working to identify an unknown node on the corporate network. To begin her investigative work, she runs the following nmap command string:
user@hostname:~$ sudo nmap –O 192.168.1.54
Based on the output, nmap is unable to identify the OS running on the node, but the following ports are open on the device:
TCP/22 TCP/111 TCP/512-514 TCP/2049 TCP/32778
Based on this information, which of the following operating systems is MOST likely running on the unknown node?
Q225. - (Topic 2)
A large company is preparing to merge with a smaller company. The smaller company has been very profitable, but the smaller company’s main applications were created in-house. Which of the following actions should the large company’s security administrator take in preparation for the merger?
A. A review of the mitigations implemented from the most recent audit findings of the smaller company should be performed.
B. An ROI calculation should be performed to determine which company's application should be used.
C. A security assessment should be performed to establish the risks of integration or co-existence.
D. A regression test should be performed on the in-house software to determine security risks associated with the software.
Q226. - (Topic 1)
An extensible commercial software system was upgraded to the next minor release version to patch a security vulnerability. After the upgrade, an unauthorized intrusion into the system was detected. The software vendor is called in to troubleshoot the issue and reports that all core components were updated properly. Which of the following has been overlooked in securing the system? (Select TWO).
A. The company’s IDS signatures were not updated.
B. The company’s custom code was not patched.
C. The patch caused the system to revert to http.
D. The software patch was not cryptographically signed.
E. The wrong version of the patch was used.
F. Third-party plug-ins were not patched.
Q227. - (Topic 5)
A system administrator has a responsibility to maintain the security of the video teleconferencing system. During a self-audit of the video teleconferencing room, the administrator notices that speakers and microphones are hard-wired and wireless enabled. Which of the following security concerns should the system administrator have about the existing technology in the room?
A. Wired transmissions could be intercepted by remote users.
B. Bluetooth speakers could cause RF emanation concerns.
C. Bluetooth is an unsecure communication channel.
D. Wireless transmission causes interference with the video signal.
Q228. CORRECT TEXT - (Topic 3)
The IDS has detected abnormal behavior on this network Click on the network devices to view device information Based on this information, the following tasks need to be completed:
1. Select the server that is a victim of a SQL injection attack.
2 Select the source of the buffer overflow attack.
3. Modify the access control list (ACL) on the router(s) to ONLY block the buffer overflow attack.
Instructions: Simulations can be reset at any time to the initial state: however, all selections will be deleted.
Answer: Follow the Steps as
Q229. - (Topic 2)
An administrator wishes to replace a legacy clinical software product as it has become a security risk. The legacy product generates $10,000 in revenue a month. The new software product has an initial cost of $180,000 and a yearly maintenance of $2,000 after the first year. However, it will generate $15,000 in revenue per month and be more secure. How many years until there is a return on investment for this new package?
Q230. - (Topic 2)
An internal development team has migrated away from Waterfall development to use Agile development. Overall, this has been viewed as a successful initiative by the stakeholders as it has improved time-to-market. However, some staff within the security team have contended that Agile development is not secure. Which of the following is the MOST accurate statement?
A. Agile and Waterfall approaches have the same effective level of security posture. They both need similar amounts of security effort at the same phases of development.
B. Agile development is fundamentally less secure than Waterfall due to the lack of formal up-front design and inability to perform security reviews.
C. Agile development is more secure than Waterfall as it is a more modern methodology which has the advantage of having been able to incorporate security best practices of recent years.
D. Agile development has different phases and timings compared to Waterfall. Security activities need to be adapted and performed within relevant Agile phases.