Exam 12: Network Security

A ____ is a common Internet tool used to verify if a particular IP address of a host exists and to see if the particular host is currently available.

The ____________________ is the data after the encryption algorithm has been applied.

In ____________________,a perpetrator sends an excessive amount of unwanted e-mail messages to someone.

Auditing a computer system is often a good way to deter crime.

Many people consider the Trojan horse to be a form of computer ____.

____ is the name of a particularly nasty automated program that attacks a network by exploiting Internet Protocol (IP)broadcast addressing and other aspects of Internet operation.

In computer terminology,a(n)____________________ is a trap that is set by network personnel in order to detect unauthorized use of a network resource.

Public key cryptography is also called ____________________ encryption.

An antivirus technique that is used in conjunction with signature-based scanning and terminate-and-stay-resident monitoring is ____.

Early cryptography algorithms used the same key for both encryption and decryption.

A packet filter firewall is a computer running proxy server software,whose function is much like that of a librarian who controls access to books in a library's rare books room.

____ is high-quality encryption software that has become quite popular for creating secure e-mail messages and encrypting other types of data files for average users.

A worm is a form of computer virus.

Both SSL and IPsec may eventually give way to S-HTTP,the newer security standard created by the Internet Engineering Task Force.

A(n)____ is the unique piece of information that is used to create ciphertext and then decrypt the ciphertext back into plaintext.

Many employees feel surveillance is an intrusion into their privacy.

What information does a certificate contain?

With ____________________,the data is encrypted using DES three times-the first time by a first key,the second time by a second key,and the third time by the first key again.

A ____ is a list of certificates that have been revoked before their originally scheduled expiration date.

Some computer systems generate random passwords that are very difficult to guess,but are also hard to remember.