CIS 312 Final Exam Answers
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A(n) ____ increases a signal’s strength (amplitude) and can extend a signal’s range by boosting signal power to overcome attenuation.
Square waves can be generated by rapidly switching (pulsing) an electrical or optical power source—a technique called ____.
A(n) ____ is the maximum number of bits or bytes per second that the channel can carry.
Messages can be loosely categorized into two types—data messages and command messages.
____ mode uses a single shared channel, and each node takes turns using the transmission line to transmit and receive.
Noise can be introduced into copper, aluminum, and other wire types by ____.
In DCE, the security server issues security “____” to each party that are exchanged to verify identities.
Servers can be offline or idle except when needed to access client resources.
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.
With the ____ protocol, a process on one machine can call a process on another machine
With P2P architecture, there are more potential bottlenecks and points of failure.
A server manages system resources and provides access to these resources through a well-defined communication interface.
Static connections are easy to initialize and maintain.
Web resources are identified by a unique ____.
If the logical record size is less than the physical record size, a single physical record might contain multiple logical records.
A ____ is a temporary holding area for extracting logical records from physical records.
The directory that’s currently being accessed is called the ____ directory
The ____ contains a sequential set of file records, one for each file in the volume
Physical storage allocation considerations include placement of fields and records in a file and distribution of a file across storage locations, media, or devices.
A typical computer has up to a few hundred storage volumes.
With scripting languages, programmers can assemble application software rapidly by “gluing” together the capabilities of many other programs.