Information Systems Security CPEH-001 Dumps PDF

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Question 36

What is the BEST alternative if you discover that a rootkit has been installed on one of your computers?

Options:

Copy the system files from a known good system

Perform a trap and trace

Delete the files and try to determine the source

Reload from a previous backup

Reload from known good media

Question 37

What is a NULL scan?

Options:

A scan in which all flags are turned off

A scan in which certain flags are off

A scan in which all flags are on

A scan in which the packet size is set to zero

A scan with an illegal packet size

Question 38

You work for Acme Corporation as Sales Manager. The company has tight network security restrictions. You are trying to steal data from the company's Sales database (Sales.xls) and transfer them to your home computer. Your company filters and monitors traffic that leaves from the internal network to the Internet. How will you achieve this without raising suspicion?

Options:

Encrypt the Sales.xls using PGP and e-mail it to your personal gmail account

Package the Sales.xls using Trojan wrappers and telnet them back your home computer

You can conceal the Sales.xls database in another file like photo.jpg or other files and send it out in an innocent looking email or file transfer using Steganography techniques

Change the extension of Sales.xls to sales.txt and upload them as attachment to your hotmail account

Question 39

You are analysing traffic on the network with Wireshark. You want to routinely run a cron job which will run the capture against a specific set of IPs - 192.168.8.0/24. What command you would use?