Exam 5: Lans and Wlans

A ____ channel is a physical path or a frequency for signal transmissions.

____ is an abbreviation that refers to the number of times a wave oscillates per second.

The original wireless encryption was called ____ because it was designed to provide a level of confidentiality similar to that of a wired network.

Hackers cannot see a network if the SSID is not broadcast.

____ utilizes TKIP to encrypt data based on the user's password.

Because network technology continues to evolve, it is a fairly unstable concept.

Bluetooth version 2.0 offers a peak transmission rate of ____ over a range of 3-300 feet.

MAC addresses are used for some low-level network functions and can also be employed to establish network security.

A message that has not been encrypted is referred to as ____.

Wi-Fi encompasses several standards, designated by all of the following letters EXCEPT ____.

____ encryption eliminates the key-distribution problem, by using one key to encrypt a message but another key to decrypt the message.

A Wi-Fi network transmits data as radio waves over ____ frequencies.

____________________ jacking is when hackers have an easy time intercepting signals by cruising through a business district or neighborhood with a Wi-Fi enabled notebook computer.

If you use ____________________, it automatically detects available LANs any time you turn on a workstation.

Case 2 There are different standards for making a home computer network. You can choose wired or wireless. The differences are in transmission speed, security, and whether it is necessary to run cables. You only have your existing telephone wiring to use, what kind of network can you access?

A cryptographic ____ is a word, number, or phrase that must be known to encrypt or decrypt a message.

A ring topology connects all devices in a circle, with each device having exactly two neighbors.