BUSINESS DATA COMMUNICATIONS AND
IT INFRASTRUCTURES 2ND EDITION
AGRAWAL COMPREHENSIVE EXAM
SCRIPT 2026 SOLVED QUESTIONS GRADED
A+
⩥ multiplexing. Answer: the ability of a number of devices to share a
transmission line.
⩥ compression. Answer: squeezing the data into a smaller form so that a
lower-capacity, cheaper transmission line can be used to transfer it
between computing devices.
⩥ client/server model. Answer: Separate computers provide specialized
services such as database functions, file storage, printing, and other
functions on a shared basis for many users (clients).
⩥ integration. Answer: when the communication equipment and
networks can deal simultaneously with voice, data, image, and video.
⩥ common carriers. Answer: communications companies that offer
communication services to the general public.
, ⩥ asynchronous transfer mode. Answer: a culmination of advancements
in both circuit switching and packet switching.
⩥ local area network Answer: a communications network that
interconnects a variety of devices and provides a means for information
exchange among those devices.
⩥ There are several key distinctions between local area networks and
wide area networks: Answer: 1. The geographic scope of the local area
network is small, typically a single building or cluster of buildings.
2. The communication equipment in a local area network is owned by
the same company that owns the attached computing services. In a wide
area network, at least a significant fraction of the circuits and switching
nodes are not by the business.
3. The internal data rates of local area networks are typically much
greater than those of wide area networks.
⩥ The following requirements are special to enterprise networks:
Answer: 1. Networks have evolved from an easily controlled
client/server approach into peer-to-peer interconnections among highly
distributed systems.
2. Peer-to-peer networks have grown larger and larger.
IT INFRASTRUCTURES 2ND EDITION
AGRAWAL COMPREHENSIVE EXAM
SCRIPT 2026 SOLVED QUESTIONS GRADED
A+
⩥ multiplexing. Answer: the ability of a number of devices to share a
transmission line.
⩥ compression. Answer: squeezing the data into a smaller form so that a
lower-capacity, cheaper transmission line can be used to transfer it
between computing devices.
⩥ client/server model. Answer: Separate computers provide specialized
services such as database functions, file storage, printing, and other
functions on a shared basis for many users (clients).
⩥ integration. Answer: when the communication equipment and
networks can deal simultaneously with voice, data, image, and video.
⩥ common carriers. Answer: communications companies that offer
communication services to the general public.
, ⩥ asynchronous transfer mode. Answer: a culmination of advancements
in both circuit switching and packet switching.
⩥ local area network Answer: a communications network that
interconnects a variety of devices and provides a means for information
exchange among those devices.
⩥ There are several key distinctions between local area networks and
wide area networks: Answer: 1. The geographic scope of the local area
network is small, typically a single building or cluster of buildings.
2. The communication equipment in a local area network is owned by
the same company that owns the attached computing services. In a wide
area network, at least a significant fraction of the circuits and switching
nodes are not by the business.
3. The internal data rates of local area networks are typically much
greater than those of wide area networks.
⩥ The following requirements are special to enterprise networks:
Answer: 1. Networks have evolved from an easily controlled
client/server approach into peer-to-peer interconnections among highly
distributed systems.
2. Peer-to-peer networks have grown larger and larger.
