GSNA Exam Dumps : GIAC Systems and Network Auditor

A user access and rights review must check all users, what groups they belong to, what roles they have, and what access they have. Furthermore, such a review should also check logs to see if users are appropriately utilizing their system rights and privileges.

In Unix, the dumpe2fs command dumps the filesystem superblock and blocks the group information. Answer: B is incorrect. In Unix, the dump command is used to back up an ext2 filesystem. Answer: A is incorrect. The e2fsck command is used to check the second extended file system (E2FS) of a Linux computer. Syntax: e2fsck [options] Where, is the file name of a mounted storage device (for example, /dev/hda1). Several options are used with the e2fsck command. Following is a list of some important options:

C:\Documents and Settings\user-nwz\Desktop\1.JPG

Answer: D is incorrect. In Unix, the e2label command is used to change the label of an ext2 filesystem.

Piggybacking refers to access of a wireless Internet connection by bringing one's own computer within the range of another's wireless connection, and using that service without the subscriber's explicit permission or knowledge. It is a legally and ethically controversial practice, with laws that vary in jurisdictions around the world. While completely outlawed in some jurisdictions, it is permitted in others. The process of sending data along with the acknowledgment is called piggybacking. Answer: C is incorrect. Bluebugging is an attack used only in a Bluetooth network. Bluebugging is a form of bluetooth attack often caused by a lack of awareness. Bluebugging tools allow attacker to "take control" of the victim's phone via the usage of the victim's Bluetooth phone headset. It does this by pretending to be the users bluetooth headset and therefore "tricking" the phone to obey its call commands. Answer: D is incorrect. A worm is a software program that uses computer networks and security holes to replicate itself from one computer to another. It usually performs malicious actions, such as using the resources of computers as well as shutting down computers. Answer: B is incorrect. A Denial-of-Service (DoS) attack is mounted with the objective of causing a negative impact on the performance of a computer or network. It is also known as a network saturation attack or bandwidth consumption attack. Attackers perform DoS attacks by sending a large number of protocol packets to the network. The effects of a DoS attack are as follows: Saturates network resources Disrupts connections between two computers, thereby preventing communications between services Disrupts services to a specific computer Causes failure to access a Web site Results in an increase in the amount of spam A Denial-of-Service attack is very common on the Internet because it is much easier to accomplish. Most of the DoS attacks rely on the weaknesses in the TCP/IP protocol.