ch 7 quiz

Which of the following type of media is most commonly used in backbone networks because of its high capacity?

fiber

which of the following is not an effective way to reduce LAN network demand:

Add hidden nodes

CSMA/CA is an acronym for:

Carrier Sense Multiple Access with Collision Avoidance

Which of the following is not true about 10/100 Ethernet

It is not a hybrid type of Ethernet

______________ antennas transmit the signal in all directions.

Omnidirectional

A collision on a bus circuit means that two computers on that circuit have transmitted at the same time True or False

True

A switch can send and receive on all circuits simultaneously. True or False

True

When a computer transmits at the same time because it cannot sense that another computer on the WLAN is currently transmitting is referred to as the:

hidden node problem

A ___ has a set of high-speed storage devices and servers that are networked together using very high speed network

storage area network

Hubs:

usually incorporate repeaters or amplifiers