Cis 312 Final Exam Answers

CIS 312 Final Exam Answers

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CIS 312 Final Exam Answers

• Question 1

A(n) ____ increases a signal’s strength (amplitude) and can extend a signal’s range by boosting signal power to overcome attenuation.

• Question 2

Square waves can be generated by rapidly switching (pulsing) an electrical or optical power source—a technique called ____.

• Question 3

A(n) ____ is the maximum number of bits or bytes per second that the channel can carry.

• Question 4

Messages can be loosely categorized into two types—data messages and command messages.

• Question 5

____ mode uses a single shared channel, and each node takes turns using the transmission line to transmit and receive.

• Question 6

Noise can be introduced into copper, aluminum, and other wire types by ____.

• Question 7

In DCE, the security server issues security “____” to each party that are exchanged to verify identities.

• Question 8

Servers can be offline or idle except when needed to access client resources.

• Question 9

With ____, a resource user asks for a resource, and if it isn’t found in the local resource registry, the resource locator searches for it in external locations.

• Question 10

With the ____ protocol, a process on one machine can call a process on another machine.

• Question 11

With P2P architecture, there are more potential bottlenecks and points of failure.

• Question 12

A server manages system resources and provides access to these resources through a well-defined communication interface.

• Question 13

Static connections are easy to initialize and maintain.

• Question 14

Web resources are identified by a unique ____.

• Question 15

If the logical record size is less than the physical record size, a single physical record might contain multiple logical records.

• Question 16

A ____ is a temporary holding area for extracting logical records from physical records.

• Question 17

The directory that’s...