Question 1

Most wireless networks transport data using ____________________ signals.

Accepted Answer

The answer of Most wireless networks transport data using ____________________...

Question 2

Wireless signal range can be limited by ____.

Accepted Answer

A)  the type of signal 
B)  the physical environment 
C)  transmitter strength 
D)  all of the above

Question 3

MAC addresses are used for some low-level network functions and can also be employed to establish network security.

Accepted Answer

A) True 
 B)False

Question 4

Before using your network,you should adjust the configuration settings of the ____ to make sure your network is secure.

Accepted Answer

A)  gateway 
B)  router 
C)  bridge 
D)  repeater

Question 5

____________________ resources like hardware,software,and data are made available for authorized network users to access.

Accepted Answer

The answer of ____________________ resources like hardware,software,and data are made...

Question 6

The telephone system uses a technology called ____,which establishes a dedicated,private link between telephones for the duration of a call.

Accepted Answer

A)  packet switching 
B)  circuit switching 
C)  bus switching 
D)  ring switching

Question 7

The most popular wireless LAN technology is ____.

Accepted Answer

A)  WUSB (Wireless US
B)  
B)  Wi-Fi 
C)  Bluetooth 
D)  WiMAX

Question 8

Bluetooth is often used to connect workstations to a LAN.

Accepted Answer

A) True 
 B)False

Question 9

A communications ____________________,or link,is a physical path or a frequency used for signal transmission.

Accepted Answer

The answer of A communications ____________________,or link,is a physical path...

Question 10

To see the hardware listings in order to determine if your Windows computer has Wi-Fi capability,use the Start menu to access ____ and look for a wireless or WLAN adapter.

Accepted Answer

A)  Network Neighborhood 
B)  Wi-Fi Manager 
C)  Device Manager 
D)  Network Infrastructure Utility

Question 11

You have just secured a new job with a new firm that is very security conscious. You've been instructed to learn as much as possible about encryption to ensure the confidentiality of customer transactions as well as electronic communications about new research and development projects.
-After researching this topic,you find that encryption can be used in all of the following ways EXCEPT ____.

Accepted Answer

A)  securing credit card numbers transferred from shoppers' computers to e-commerce sites 
B)  scrambling data sent over wired or wireless networks to prevent intrusions 
C)  scrambling the contents of e-mail messages to maintain privacy 
D)  decrypting computer archives so that the data they contain is unusable if the archive is lost or compromised

Question 12

For a typical home network,all that's needed in terms of network equipment is a wireless ____________________ that includes an Ethernet switch and Internet gateway.

Accepted Answer

The answer of For a typical home network,all that's needed...

Question 13

A WAN provides connectivity within a limited geographical area,often within a single building.

Accepted Answer

A) True 
 B)False

Question 14

If you are using a file server without its own keyboard or monitor,server configuration software is accessible using a(n)browser._________________________

Accepted Answer

A) True 
 B)False

Question 15

Microwaves cannot be aimed in a single direction and have less carrying capacity than radio waves.

Accepted Answer

A) True 
 B)False

Question 16

Most routers supply a WAN port designed for an Internet connection.

Accepted Answer

A) True 
 B)False

Question 17

-The wave on the bottom in the accompanying figure depicts a digital signal.

Accepted Answer

A) True 
 B)False

Question 18

With PGP,to whom do you send the private key?

Accepted Answer

A)  People whom you have authorized to send you plaintext messages 
B)  People whom you have authorized to send you encrypted messages 
C)  Anyone with whom you expect to have e-mail correspondence 
D)  No one

Question 19

If you connect to a network and do not get a list of other devices,check your computer's network ____ setting.

Accepted Answer

A)  Network Neighborhood 
B)  My Network Places 
C)  Local Area Connection 
D)  discovery

Question 20

Which of the following,if networked,can be accessed by an authorized LAN user?

Accepted Answer

A)  scanners 
B)  high-capacity storage devices 
C)  photo printers 
D)  all of the above

Exam 5: Local Area Networks

Most wireless networks transport data using ____________________ signals.

Wireless signal range can be limited by ____.

MAC addresses are used for some low-level network functions and can also be employed to establish network security.

Before using your network,you should adjust the configuration settings of the ____ to make sure your network is secure.

____________________ resources like hardware,software,and data are made available for authorized network users to access.

The telephone system uses a technology called ____,which establishes a dedicated,private link between telephones for the duration of a call.

The most popular wireless LAN technology is ____.

Bluetooth is often used to connect workstations to a LAN.

A communications ____________________,or link,is a physical path or a frequency used for signal transmission.

To see the hardware listings in order to determine if your Windows computer has Wi-Fi capability,use the Start menu to access ____ and look for a wireless or WLAN adapter.

For a typical home network,all that's needed in terms of network equipment is a wireless ____________________ that includes an Ethernet switch and Internet gateway.

A WAN provides connectivity within a limited geographical area,often within a single building.

If you are using a file server without its own keyboard or monitor,server configuration software is accessible using a(n)browser._________________________

Microwaves cannot be aimed in a single direction and have less carrying capacity than radio waves.

Most routers supply a WAN port designed for an Internet connection.

-The wave on the bottom in the accompanying figure depicts a digital signal.

With PGP,to whom do you send the private key?

If you connect to a network and do not get a list of other devices,check your computer's network ____ setting.

Which of the following,if networked,can be accessed by an authorized LAN user?