Name: 
 

IT Essentials objective 5.1



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

A ____ consists of personal devices at close range such as a cell phone, PDA, and notebook computer in communication.
a.
MAN
c.
LAN
b.
WAN
d.
PAN
 

 2. 

Every network adapter has a 48-bit (6-byte) number hard-coded on the card by its manufacturer that is used to identify the adapter on the network; this number is called the ____ address.
a.
node
c.
MAC
b.
IP
d.
packet
 

 3. 

Data is transmitted on a network in pieces called ____.
a.
pages
c.
files
b.
nodes
d.
packets
 

 4. 

____ is the most popular network architecture used today.
a.
CDMA
c.
RJ-45
b.
Ethernet
d.
Wi-Fi
 

 5. 

____ cables transmit signals as pulses of light over glass strands inside protected tubing.
a.
Coaxial
c.
Electromagnetic
b.
Twisted-pair
d.
Fiber-optic
 

 6. 

____ Ethernet operates at 100 Mbps and uses STP or UTP cabling rated CAT-5 or higher.
a.
10BaseT
c.
10Base5
b.
10Base2
d.
100BaseT
 

 7. 

A ____ topology connects each node in a line and has no central connection point.
a.
star
c.
hub
b.
bus
d.
boat
 

 8. 

The most popular technology for desktop and notebook computer wireless connections is ____.
a.
IEEE 789.54
c.
IEEE 801.23
b.
IEEE 793.42
d.
IEEE 802.11
 

 9. 

Wireless devices can connect to a LAN by way of a wireless ____.
a.
augmentation point
c.
access point
b.
switching point
d.
regeneration point
 

 10. 

A(n) ____ address identifies a computer, printer, or other device on a TCP/IP network.
a.
IP
c.
switch
b.
TCP
d.
ISP
 

 11. 

A(n) ____ is a computer or other device that allows a computer on one network to communicate with a computer on another network.
a.
cell
c.
antenna
b.
node
d.
gateway
 

 12. 

Which of the following describes a CAT-5 UTP cable?
a.
Four twisted wires inside
c.
Two pairs of twisted wires inside
b.
Four pairs of twisted wires inside
d.
Four sets of four twisted wires inside
 

 13. 

What is the maximum range for low-power Bluetooth devices?
a.
1 meter
c.
10 meters
b.
3 meters
d.
100 meters
 

 14. 

What frequency does the 802.11a standard uses to conduct wireless network connectivity?
a.
2.4 MHz
c.
5 GHz
b.
900 MHz
d.
54 MHz
 

 15. 

You are setting up a home office network for your family business, but you have no router or server to automatically supply network addresses for your three computers and a laser printer. You know you need to manually set the IP address and subnet mask information for all the systems, so you are looking for documentation about how to accomplish this. What is the term you should be looking for to find information about manually configuring an IP address?
a.
Static IP addresses
c.
Classful IP addressing
b.
APIPA
d.
Dynamic IP addresses
 

 16. 

Which of the following connectivity methods are used with 802.11g?
a.
CAT5 cabling with RJ-45 connectors
c.
RF signals and antennas
b.
Fiber-optic cables and SC connectors
d.
Coaxial cables and BNC connectors
 

 17. 

Which of the following network types is best for a small business?
a.
LAN
c.
MAN
b.
WAN
d.
SAN
 

 18. 

Which network component types are compatible with 802.11g systems?
a.
802.11a
c.
Bluetooth
b.
802.11b
d.
802.3
 

 19. 

A residential customer who has just switched Internet access over to a satellite system has called to find out why she sometimes experiences delays in the satellite system delivering Internet connectivity. How do you explain this delay to the customer?
a.
Modern satellite systems should not have a delay period
c.
The dish requires an azimuth correction period to switch to a different satellite
b.
There is a downlink delay time associated with connecting to the satellite source
d.
This is due to connection latency caused by additional parties in the communications link
 

 20. 

What networking technology supports several peripherals communicating with a PC simultaneously?
a.
Bluetooth
c.
IrDA
b.
Ethernet
d.
Wi-Fi
 

 21. 

Which of the following network types does not have to interact with a dedicated server?
a.
A domain-based LAN
c.
An intranet
b.
A peer-to-peer LAN
d.
An Internet
 

 22. 

You are setting up a small peer-to-peer network in your home office and have decided to use simple private IP addressing with static addresses. Which of the following IP addresses is reserved specifically for use as a private address?
a.
192.168.0.1
c.
169.254.0.1
b.
170.124.0.1
d.
135.254.0.1
 

 23. 

What general advantage does an 802.11g network have over an 802.11b network?
a.
Better data transfer rate
c.
Better frequency range
b.
Greater useful transmission distance
d.
More simultaneous users
 

 24. 

What is the maximum communicating speed of an 802.11g-rated wireless access point?
a.
2 Mbps
c.
5.5 Mbps
b.
54 Mbps
d.
11 Mbps
 

 25. 

A customer wants to install a 1Gbps local area network in his facility. Which of the following cabling types will meet the user’s expectations?
a.
CAT3 cablin
c.
CAT6 cabling
b.
CAT5 Cabling
d.
Coaxial cabling
 

 26. 

The 802.11x standard is used to identify which type of network?
a.
Ethernet
c.
Fiber-optic
b.
Wi-Fi wireless
d.
Bluetooth wireless
 

 27. 

Which of the following is an advantage of peer-to-peer networks?
a.
It’s easy to share information
c.
They centralize user accounts
b.
It’s easy to implement security
d.
It’s easy to implement standards across the system
 

 28. 

What type of network typically employs SC connectors?
a.
Client/server STP-based networks
c.
Ethernet fiber-optic-based networks
b.
Peer-to-peer UTP-based networks
d.
CAT7 UTP-based networks
 

 29. 

Which type of network is an RJ-45 connector is most commonly used with?
a.
disk drive units
c.
coaxial cabling
b.
fiber-optic cabling
d.
unshielded twisted-pair cabling
 

 30. 

Where is single mode fiber cable most likely to be employed?
a.
In fiber-optic-based local area networks
c.
In VOIP connections
b.
In networks with connections ranging up to 20 kilometers
d.
In fiber cabling drops from the street to residential customers
 

 31. 

You join a new division as part of the technical staff of a large company. This new division integrates Windows XP workstations with an older network that uses NetWare 4.0 and older software. Due to software incompatibility, TCP/IP is not a viable option. Which of the following networking protocols should the Windows XP workstation be using in this network?
a.
NetBEUI
c.
NWLink
b.
IPX/SPX
d.
AppleTalk
 

 32. 

Which of the following is not an advantage associated with using TCP/IP as the network protocol?
a.
It enables messages to be fragmented and reassembled
c.
It can service networks that include a wide variety of computer types
b.
It enables messages to be routed to a specific computer
d.
It provides a high level of encryption to data packets
 

 33. 

Why are you required to use plenum-rated cable in air returns?
a.
To minimize the spread of toxic gases throughout the facility
c.
To reduce EMI caused by air-handling equipment
b.
To avoid additional heat buildup in the air space
d.
To protect the cabling from oxidation
 

 34. 

Which of the following modem types is not considered a high-speed broadband communications device?
a.
A DSL modem
c.
An analog modem
b.
An ISDN modem
d.
A cable modem
 

Multiple Response
Identify one or more choices that best complete the statement or answer the question.
 

 35. 

Which wireless networking option offers the fastest communications? (Select all that apply.)
 a.
802.11a
 c.
802.11c
 b.
802.11b
 d.
802.11g
 



 
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