A+ Essentials Chapter 21

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1. Which encryption protocol offers the best security?

Hi-Encrypt

WEP

WPA

WPA2

WPA2 is the best of the encryption technologies listed.

Explanation

WPA2 is the best of the encryption technologies listed.

About This Quiz

Local Area NetworkingIn this chapter, you will learn how to• Explain network technologies• Explain network operating systems• Install and configure wired networks• Install and configure wireless networks• Troubleshoot networks

2. What first name or nickname would you like us to use?

You may optionally provide this to label your report, leaderboard, or certificate.

2. What is the minimum specification of cable types for 100BaseT networks?

CAT 2

CAT 3

CAT 4

CAT 5

100BaseT requires CAT 5 rated cabling.

Explanation

100BaseT requires CAT 5 rated cabling.

3. To provide a computer with a physical and electronic connection to a
network, what must be installed?

A hub

A router

A NIC

A bridge

A system must have a NIC to participate in any type of network.

Explanation

A system must have a NIC to participate in any type of network.

4. Joe needs to network two computers in his office together using an Ethernet
peer-to-peer connection. What kind of cable does he need?

CAT-5

Crossover

UTP

STP

Joe needs a crossover cable to network two computers in his office together
using an Ethernet peer-to-peer connection.

Explanation

Joe needs a crossover cable to network two computers in his office together
using an Ethernet peer-to-peer connection.

5. Steven’s Windows XP system can’t connect to the Internet, and he comes to
you, his PC tech, for help. You figure out that it’s a DHCP problem. What
program should you run to get him a new DHCP lease?

IPCONFIG

WINIPCFG

CONFIG

DHCP /RENEW

You should run IPCONFIG to get a new DHCP lease for Steven’s Windows
XP system. WINIPCFG was the program used by Windows 9x for this task.
/RENEW is a valid switch for both programs, but not for CONFIG.

Explanation

6. Bluetooth technology enables computers to link into what sort of network?

Bluetooth area network (BAN)

Personal area network (PAN)

Local area network (LAN)

Wide area network (WAN)

Bluetooth creates personal area networks.

Explanation

Bluetooth creates personal area networks.

7. How far apart can two PCs that share the same 100BaseT switch be placed?

100 meters

200 meters

330 meters

1000 meters

Each system can be 100 meters from the switch, so any two systems can be
up to 200 meters apart.

Explanation

Each system can be 100 meters from the switch, so any two systems can be
up to 200 meters apart.

8. What are the two TIA/EIA standards for connecting an RJ-45 connector to UTP
cable?

10BaseT/100BaseT

CAT5/CAT5e

RG-58/RG-59

568A/568B

The TIA/EIA has two standards for connecting the RJ-45 connector to the
UTP cable: TIA/EIA 568A and TIA/EIA 568B.

Explanation

The TIA/EIA has two standards for connecting the RJ-45 connector to the
UTP cable: TIA/EIA 568A and TIA/EIA 568B.

9. Under ideal conditions, the 802.11g standard supports data throughput of up
to and has a range of up to .

11 Mbps/150 feet

11 Mbps/300 feet

54 Mbps/150 feet

54 Mbps/300 feet

Under ideal conditions, the 802.11g standard supports data throughput of
up to 11 Mbps and has a range of up to 300 feet.

Explanation

Under ideal conditions, the 802.11g standard supports data throughput of
up to 11 Mbps and has a range of up to 300 feet.

Thank you for your feedback!

A+ Essentials Chapter 21

1. Which encryption protocol offers the best security?

2.

What first name or nickname would you like us to use?

2. What is the minimum specification of cable types for 100BaseT networks?

3. To provide a computer with a physical and electronic connection to anetwork, what must be installed?

4. Joe needs to network two computers in his office together using an Ethernetpeer-to-peer connection. What kind of cable does he need?

5. Steven’s Windows XP system can’t connect to the Internet, and he comes toyou, his PC tech, for help. You figure out that it’s a DHCP problem. Whatprogram should you run to get him a new DHCP lease?

6. Bluetooth technology enables computers to link into what sort of network?

7. How far apart can two PCs that share the same 100BaseT switch be placed?

8. What are the two TIA/EIA standards for connecting an RJ-45 connector to UTPcable?

9. Under ideal conditions, the 802.11g standard supports data throughput of upto ________ and has a range of up to ________.

3. To provide a computer with a physical and electronic connection to a
network, what must be installed?

4. Joe needs to network two computers in his office together using an Ethernet
peer-to-peer connection. What kind of cable does he need?

5. Steven’s Windows XP system can’t connect to the Internet, and he comes to
you, his PC tech, for help. You figure out that it’s a DHCP problem. What
program should you run to get him a new DHCP lease?

8. What are the two TIA/EIA standards for connecting an RJ-45 connector to UTP
cable?

9. Under ideal conditions, the 802.11g standard supports data throughput of up
to and has a range of up to .