Exam 5: Local Area Networks

The process of converting ciphertext into plaintext is called encryption._________________________

Most routers ship with a(n)____ predefined by the manufacturer.

Wireless signal range can be limited by ____.

A ____ is a network device that intelligently facilitates communication among multiple devices on a network.

Ethernet is a wired technology that is defined by ____ standards.

____________________ encryption is loosely defined as "very difficult to break."

You have just secured a new job with a new firm that is very security conscious. You’ve been instructed to learn as much as possible about encryption to ensure the confidentiality of customer transactions as well as electronic communications about new research and development projects. -After researching this topic,you find that encryption can be used in ____.

Dial-up Internet access is an example of a(n)____ communications system.

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

If you connect to a network and do not get a list of other devices,check your computer's network ____ setting.

____ is a crucial technology for e-commerce and e-mail.

-A more efficient alternative to packet switching is shown in the accompanying figure._________________________

A ____ is a term sometimes used to refer to the interconnection of personal digital devices or consumer electronics within a range of about 30 feet and without the use of wires or cables.

MATCHING Identify the letter of the choice that best matches the phrase or definition. -A word,number,or phrase that must be known to decrypt or encrypt a message

High-bandwidth communications systems are sometimes referred to as ____.

____ software may be used by personal computer users when they want to encrypt e-mail or other documents.

In ____ mode two Bluetooth devices can find each other and exchange passkeys.

A ____ server is a computer whose primary purpose is to be a repository for files that can be accessed by network workstations.

Devices with one or more antennas use ____ technology to boost signals and spread them more evenly over the signal range.

Thomas is a network expert, having mastered the finer points of network structure, topology, and geographical scope. He has built many different types of networks at home, school, and work. He is now designing a home network for his friend. -Thomas's friend has asked that the network be configured such that,if he has photos on his tablet computer and wants to transfer them to his desktop computer,he can do so easily.What capability is Thomas's friend looking for?