Question 15 (1 point)

Select an answer to fill the blank:

___________ is the fastest and highest bandwidth medium of data communication.

Question 15 options:

	nano tube
	optical fiber
	copper wire
	microwave

Question 16 (1 point)

What is main difference between LANs, MANs, and WANs?

Question 16 options:

a)	how they work
b)	the area of coverage
c)	the type of media used on each
d)	the type of messages sent on each

Question 17 (1 point)

Saved

A _______________ controls access to the hardware, software, and other resources on a network and provides a centralized storage area for programs, data, and information.

Question 17 options:

a)	server
b)	client
c)	switch
d)	router

Question 18 (1 point)

Switches are preferred over hubs because they reduce any unnecessary traffic.

Question 18 options:

	True
	False

Question 19 (1 point)

What is one of the major advantages of installing a wireless network?

Question 19 options:

A)	It is initially more secure than a wired network.
B)	It is faster than a wired network.
C)	It provides more flexibility than a wired network.
D)	It does not require a modem to access the internet.

Question 20 (1 point)

Which of the following are examples of communications devices?

Question 20 options:

a)	modems, network cards, and routers
b)	DSLs, ATMs, and T-carriers
c)	token rings, Ethernets, and Bluetooths
d)	RFIDs, IrDAs, and WiMAXs