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Which address translation scheme would allow a single public IP address to always correspond to a single machine on an internal network, allowing "server publishing"?

  1. Overloading Port Address Translation
  2. Dynamic Port Address Translation
  3. Dynamic Network Address Translation
  4. Static Network Address Translation

Answer(s): D

Explanation:

Mapping an unregistered IP address to a registered IP address on a one-to-one basis. Particularly useful when a device needs to be accessible from outside the network.



What is the following command used for? net use \targetipc$ "" /u:""

  1. Grabbing the etc/passwd file
  2. Grabbing the SAM
  3. Connecting to a Linux computer through Samba.
  4. This command is used to connect as a null session
  5. Enumeration of Cisco routers

Answer(s): D

Explanation:

The null session is one of the most debilitating vulnerabilities faced by Windows. Null sessions can be established through port 135, 139, and 445.



What is the proper response for a NULL scan if the port is closed?

  1. SYN
  2. ACK
  3. FIN
  4. PSH
  5. RST
  6. No response

Answer(s): E

Explanation:

Closed ports respond to a NULL scan with a reset.



One of your team members has asked you to analyze the following SOA record. What is the TTL?
Rutgers.edu.SOA NS1.Rutgers.edu ipad.college.edu (200302028 3600
3600 604800 2400.

  1. 200303028
  2. 3600
  3. 604800
  4. 2400
  5. 60 F. 4800

Answer(s): D

Explanation:

The SOA includes a timeout value. This value can tell an attacker how long any DNS "poisoning" would last. It is the last set of numbers in the record.






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