Data Communication-Q1

_____ are rules that govern a communication exchange

• media

• criteria

• protocols

• OSI

The ______ is the physical path over which a message travels

• protocol

• medium

• signal

• wire

The performance of a data communications network depends on ____

• the number of users

• the transmission media

• the hardware and software

• all of the above

Viruses are a network ____ issue

• performance

• reliability

• security

• economic viability

The information to be communicated in a data communication system is the ____

• medium

• protocol

• message

• transmission

If a protocol specifies that data should be sent at 100 Mbps, this is a ___ issue.

• syntax

• semantics

• timing

• none of the above

Duwi Publishing, with headquarters in Manila and branch offices in Lipa City and throughout South-East Asia, China and the USA, is probably connected by a _______.

• LAN

• MAN

• PAN

• WAN

Keeler Plumbing has a network consisting of two workstations and one printer. This is most probably a ______

• PAN

• WAN

• LAN

• MAN

What is data communication?

• Transfer of data from one point to the next.

• Transfer of electronic data from one point to the next over a communication medium.

• sending information

• none of the above

The physical connection between networked computing devices is established using (Choose 2 correct answers)

• Cable Media

• Wireless Media

• Hyper Media

• none of the above