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
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
