DCN-1

which topology requires a central controller or hub

• Mesh

• Star

• bus

• ring

which topology requires a multipoint connection

• mesh

• star

• bus

• ring

communication between a computer and a keyboard involves

• simplex

• half-duplex

• full-duplex

• automatic

In a network with 25 computers, which topology would require the most extensive cabling?

• Mesh

• star

• bus

• ring

A television broadcast is an example of ----------- transmission

• Simplex

• half duplex

• full duplex

• autimatic

Which topology features a point-to-point lind configuration

• mesh

• ring

• star

• all the above

Viruses are a network ------------issue

• Performance

• reliability

• security

• management

The -----is the physical path over which a message travels

• protocols

• medium

• signal

• all the above

The performance of a data communication network depends on

• number of users`

• transmission media

• hardware and software

• all the above

if a protocol specifies that data should be sent at 100Mbps, this is a ------issue

• syntax

• semantics

• timing

• none of the above