A+ Essentials Chapter 21

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Darren McMahon

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Quizzes Created: 20 | Total Attempts: 13,083

Questions: 9 | Attempts: 431 | Updated: Mar 21, 2023

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Local Area Networking

In 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

Questions and Answers

1.

To provide a computer with a physical and electronic connection to anetwork, what must be installed?
- A.
  
  A hub
- B.
  
  A router
- C.
  
  A NIC
- D.
  
  A bridge
Correct Answer
C. A NIC

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

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2.

How far apart can two PCs that share the same 100BaseT switch be placed?
- A.
  
  100 meters
- B.
  
  200 meters
- C.
  
  330 meters
- D.
  
  1000 meters
Correct Answer
B. 200 meters

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

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3.

Under ideal conditions, the 802.11g standard supports data throughput of upto ________ and has a range of up to ________.
- A.
  
  11 Mbps/150 feet
- B.
  
  11 Mbps/300 feet
- C.
  
  54 Mbps/150 feet
- D.
  
  54 Mbps/300 feet
Correct Answer
B. 11 Mbps/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.

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4.

What is the minimum specification of cable types for 100BaseT networks?
- A.
  
  CAT 2
- B.
  
  CAT 3
- C.
  
  CAT 4
- D.
  
  CAT 5
Correct Answer
D. CAT 5

Explanation
100BaseT requires CAT 5 rated cabling.

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5.

Joe needs to network two computers in his office together using an Ethernetpeer-to-peer connection. What kind of cable does he need?
- A.
  
  CAT-5
- B.
  
  Crossover
- C.
  
  UTP
- D.
  
  STP
Correct Answer
B. Crossover

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

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6.

What are the two TIA/EIA standards for connecting an RJ-45 connector to UTPcable?
- A.
  
  10BaseT/100BaseT
- B.
  
  CAT5/CAT5e
- C.
  
  RG-58/RG-59
- D.
  
  568A/568B
Correct Answer
D. 568A/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.

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7.

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?
- A.
  
  IPCONFIG
- B.
  
  WINIPCFG
- C.
  
  CONFIG
- D.
  
  DHCP /RENEW
Correct Answer
A. IPCONFIG

Explanation
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.

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8.

Which encryption protocol offers the best security?
- A.
  
  Hi-Encrypt
- B.
  
  WEP
- C.
  
  WPA
- D.
  
  WPA2
Correct Answer
D. WPA2

Explanation
WPA2 is the best of the encryption technologies listed.

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9.

Bluetooth technology enables computers to link into what sort of network?
- A.
  
  Bluetooth area network (BAN)
- B.
  
  Personal area network (PAN)
- C.
  
  Local area network (LAN)
- D.
  
  Wide area network (WAN)
Correct Answer
B. Personal area network (PAN)

Explanation
Bluetooth creates personal area networks.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 23, 2008

Quiz Created by
Darren McMahon

A+ Essentials Chapter 21

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

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

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

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

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

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

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?

Which encryption protocol offers the best security?

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

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