GSNA Exam Dumps : GIAC Systems and Network Auditor

A firewall stops delivery of packets that are not marked safe by the Network Administrator. It checks the transport layer port numbers and the application layer headers to prevent certain ports and applications from forwarding the packets to an intranet. Answer: D, A, and B are incorrect. These are not checked by a firewall.

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.

An anti-virus program updates the virus definition file regularly from the anti-virus manufacturer's Web site. Antivirus (or anti-virus) software is used to prevent, detect, and remove malware, including computer viruses, worms, and trojan horses. Such programs may also prevent and remove adware, spyware, and other forms of malware. Traditional antivirus software solutions run virus scanners on schedule, on demand and some run scans in real time. If a virus or malware is located, the suspect file is usually placed into a quarantine to terminate its chances of disrupting the system. Traditional antivirus solutions scan and compare against a publicized and regularly updated dictionary of malware otherwise known as a blacklist. Some antivirus solutions have additional options that employ a heuristic engine which further examines the file to see if it is behaving in a similar manner to previous examples of malware. A new technology utilized by a few antivirus solutions is whitelisting; this technology first checks if the file is trusted and only questions those that are not. With the addition of wisdom of crowds, antivirus solutions backup other antivirus techniques by harnessing the intelligence and advice of a community of trusted users to protect each other. Answer: C is incorrect. A service pack is a collection of Fixes and Patches in a single product. A service pack can be used to handle a large number of viruses and bugs or to update an operating system with advanceB, Detter capabilities. A service pack usually contains a number of file replacements. Answer: A is incorrect. Hotfix is a collection of files used by Microsoft for software updates that are released between major service pack releases. A hotfix is about a problem, occurring under specific circumstances, which cannot wait to be fixed till the next service pack release. Hotfixes are generally related to security problems. Hence, it is essential to fix these problems as soon as possible. Answer: B is incorrect. An anti-virus program does not update Permissions regularly from its manufacturer's Web site.