A. Cipher

B. Warded

C. Device

D. Tumbler

Answer 1: B. Cipher locks can use keypads or smart locks to control access into restricted areas. Answers A, C, and D are incorrect because warded locks are the weakest form of padlock, device locks are used to secure equipment, and tumbler locks are more complex than warded locks and offer greater security.

Question 2: You have been given the data capture in the following figure to analyze. What type of packet is this?

A. It was generated by Loki.

B. It is a Linux ping packet.

C. There is not enough information to tell.

D. It is a Windows ping packet.

Answer 2: The packet shown is a Windows ping packet. That can be determined by examining the ASCII portion of the packer that displays “a, b, c, d, e, f, g …”. Answers, A, B, and C are incorrect because the ICMP packet was not generated by Loki, it is not a Linux packer, and there is enough information to tell, as the entire packet is shown.

Question 3: When working with Windows systems, what is the RID of the first user account?

A. 100

B. 500

C. 1000

D. 1001

Answer 3: C. The first user account has a RID of 1000. Answer A is incorrect because it is not a valid RID. Answer B is incorrect because it is the RID of the administrator. Answer D is incorrect because it is the RID of the second user account.

Question 4: Which of the following GUI scanners is designed to run on a Windows platform and is used for port 80 vulnerability scans?

A. Nessus

B. Ethereal

C. N-Stealth

D. Whisker

Answer 4: C. N-Stealth is a Windows-based scanner used to scan on port 80 for web server vulnerabilities. Answer A is incorrect because Nessus runs on Linux; answer B is incorrect because Etheral is a sniffer, not a vulnerability scanner; and answer D is incorrect because Whisker can be run on Linux or Windows clients.

Question 5: Which of the following represents the weakest form of encryption?

A. DES ECB

B. RC5

C. Base64

D. AES

Answer 5: C. Basic64 provides very weak security as it performs encoding, not encryption. Answers A, B, and D are incorrect because DES, RC5, and AES are all much stronger.Linux Q&A