BUSINESS DATA COMMUNICATIONS AND IT INFRASTRUCTURES 2ND EDITION AGRAWAL FINAL EXAM STUDY GUIDE 2026 TESTED QUESTIONS AND SOLUTIONS

BUSINESS DATA COMMUNICATIONS AND
IT INFRASTRUCTURES 2ND EDITION
AGRAWAL FINAL EXAM STUDY GUIDE
2026 TESTED QUESTIONS AND SOLUTIONS

⩥ Server. Answer: Stores data or software that can be accessed by the
client


⩥ Client. Answer: Input-output hardware device at the user's end of a
communication circuit.


⩥ Circuit. Answer: Pathway through which the messages travel.
(connected by switches and cables)


⩥ Peer-to-peer networks. Answer: Connect a similar set of computers
that share their data and software with each other. (Function as equals)


⩥ Router. Answer: Device that connects two or more networks. (e.g. the
internet)


⩥ File Server. Answer: Stores data and software that can be used by
computers on the network.

, ⩥ Print Server. Answer: Manages all printing requests from the clients
on the network


⩥ Web Server. Answer: Stores documents and graphics that can be
accessed from any Web browser


⩥ Local Area Network (LAN). Answer: Group of computers located in
the same general area.


⩥ Backbone Network (BN). Answer: Larger, central network connecting
several LANS, MANS and WANS.


⩥ Wide Area Network (WAN). Answer: Connect BNs and MANS


⩥ Intranets. Answer: LAN that uses the same technologies as the
Internet but is only open to those inside the organizations.


⩥ Extranets. Answer: LAN that uses the same technologies as the
Internet and is provided to invited users outside the organization.


⩥ OSIR-OSI. Answer: Open Systems Interconnections Reference
Model, 7 layers