Exam 12: Network Security

A ____ is a list of certificates that have been revoked before their originally scheduled expiration date.

The National Institute of Standards and Technology selected the algorithm Lucifer in October 2000 as the basis for AES.

____________________ (SSL) is an additional layer of software added between the application layer and the transport (TCP) layer that creates a secure connection between sender and receiver.

_________________________ bombard a computer site with so many messages that the site is incapable of performing its normal duties.

Top-level executives often have access to a narrow range of information within a company.

A ____ substitution-based cipher replaces a character or group of characters with a different character or group of characters.

A computer ____________________ is a program that copies itself from one system to another over a network, without the assistance of a human being.

A(n) ____________________ is a condition in which the Internet ping program is used to send a flood of packets to a server to make the server inoperable.

Possibly the earliest example of a polyalphabetic cipher is the ____ cipher.

The ____ firewall is essentially a router that has been programmed to filter out certain IP addresses or TCP port numbers.

Public key cryptography is also called ____________________ encryption.

What are some of the standard rules for creating or changing a password?

The first security protocol for wireless LANs was ____.

A proxy server sits inside a company's corporate network.

A ____ virus is a common type of virus that is programmed into an attached macro file.

A mobile malicious code is also known as ____________________ because it is hiding inside a harmless-looking piece of code.

The two leading attack methods for the last few years have exploited known vulnerabilities in operating systems and in application software.

____ involves electronically monitoring data flow and system requests into and out of their systems.

Expensive computer systems should always be placed in the basements of buildings.

One of the inherent problems with protecting a single key is that it means that only one key is used to both encode and decode the message.