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it multiple choice l4

Question

1 of 20

A point of presence (POP) is a

	node on a WAN connected to the network through wireless technology.
	terminal in a store that processes a local order and connects to a company database through a WAN.
	wired or wireless WAN network that enables users to access the WAN.
	high-capacity transmission line carrying traffic for a WAN.

Question

2 of 20

Because a network’s layers are arranged vertically, similar to the floors in a building, with each “floor” having its own protocols, the layers are known as a

	protocol suite.
	protocol stack.
	modulation protocols.
	top-down protocols.

Question

3 of 20

Which of the following is NOT an advantage of the bus topology?

	Simple
	Easy to expand
	Length
	Reliable

Question

4 of 20

An IP address is composed of:

	five sets of numbers separated by periods.
	four sets of numbers separated by periods.
	five sets of numbers separated by commas.
	four sets of numbers separated by commas.

Question

5 of 20

Public wireless access locations are called hot spots.

	True
	False

Question

6 of 20

Which of the following features enables the strongest Wi-Fi encryption protection?

	WEP
	WDDI
	WAP
	WPA

Question

7 of 20

The 10 Gigabit Ethernet makes next-generation applications, such as ________, possible.

	multicasting
	cloud computing
	network convergence
	all of the above

Question

8 of 20

A ________ is a simple broadcast device that does not manage traffic and usually results in frequent collisions.

	plug
	centralized computer
	hub
	switch

Question

9 of 20

External Wi-Fi transceivers connect through USB connections.

	True
	False

Question

10 of 20

Another term for a network administrator is a network

	supervisor.
	operator.
	engineer.
	manager.

Question

11 of 20

Another term for network congestion is overloading.

	True
	False

Question

12 of 20

Each node on a network has a unique logical address, which is

	assigned by the network administrator when the node is installed.
	assigned by the software in use.
	built into the hardware.
	none of the above.

Question

13 of 20

________ protocols are used to ensure that modems can communicate with each other.

	MMT
	TCP/IP
	Modulation
	Oscillation

Question

14 of 20

In a P2P network, users can choose which files they wish to share.

	True
	False

Question

15 of 20

To carry computer data over the long haul, WANs need to have a(n) ________ in multiple towns and cities.

	ISP
	router
	POP
	hub

Question

16 of 20

A local area network (LAN) in which all of the computers are equals is called a(n) ________ network.

	equal resource
	peer-to-peer
	client/server
	equal sharing

Question

17 of 20

Which of the following protocols use Ethernet?

	IP
	TCP/IP
	OSI
	CSMA/CD

Question

18 of 20

Which of the following protocols does NOT use twisted-pair cabling?

	IBM Token Ring
	100Base-T
	10Base-5
	10Base-T

Question

19 of 20

The ________ standard is used for Bluetooth technology and has a very short range (up to 10 meters).

	802.15
	802.11n
	802.11g
	802.16

Question

20 of 20

An advantage of networking is fewer security threats.

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