Ethereal works best on ____________.

Samantha was hired to perform an internal security test of company. She quickly realized that all networks are making use of switches instead of traditional hubs. This greatly limits her ability to gather information through network sniffing.

Which of the following techniques can she use to gather information from the switched network or to disable some of the traffic isolation features of the switch? (Choose two)

A POP3 client contacts the POP3 server:

A remote user tries to login to a secure network using Telnet, but accidently types in an invalid user name or password. Which responses would NOT be preferred by an experienced Security Manager? (multiple answer)

You are writing an antivirus bypassing Trojan using C++ code wrapped into chess.c to create an executable file chess.exe. This Trojan when executed on the victim machine, scans the entire system (c:) for data with the following text "Credit Card" and "password". It then zips all the scanned files and sends an email to a predefined hotmail address.

You want to make this Trojan persistent so that it survives computer reboots. Which registry entry will you add a key to make it persistent?

John wants to try a new hacking tool on his Linux System. As the application comes from a site in his untrusted zone, John wants to ensure that the downloaded tool has not been Trojaned. Which of the following options would indicate the best course of action for John?

Which definition below best describes a covert channel?

A file integrity program such as Tripwire protects against Trojan horse attacks by:

Sniffing is considered an active attack.

Which of the following Netcat commands would be used to perform a UDP scan of the lower 1024 ports?