312-50

312-50 practice questions, page 3 of 25, with answer review and explanations.

Question 11

How can rainbow tables be defeated?

  1. Password salting
  2. Use of non-dictionary words
  3. All uppercase character passwords
  4. Lockout accounts under brute force password cracking attempts

Question 12

The following is a sample of output from a penetration tester's machine targeting a machine with the IP address of 192.168.1.106: What is most likely taking place?

  1. Ping sweep of the 192.168.1.106 network
  2. Remote service brute force attempt
  3. Port scan of 192.168.1.106
  4. Denial of service attack on 192.168.1.106

Question 13

An NMAP scan of a server shows port 25 is open. What risk could this pose?

  1. Open printer sharing
  2. Web portal data leak
  3. Clear text authentication
  4. Active mail relay

Question 14

A penetration tester is conducting a port scan on a specific host. The tester found several ports opened that were confusing in concluding the Operating System (OS) version installed. Considering the NMAP result below, which of the following is likely to be installed on the target machine by the OS?

  1. The host is likely a Windows machine.
  2. The host is likely a Linux machine.
  3. The host is likely a router.
  4. The host is likely a printer.

Question 15

What type of OS fingerprinting technique sends specially crafted packets to the remote OS and analyzes the received response?

  1. Passive
  2. Reflective
  3. Active
  4. Distributive