Question 1

Which of the following is not true about CSMA/CD?

Accepted Answer

A)  The acronym refers to Carrier Sense Multiple Access with Collision Detection 
B)  It is used in token ring protocol LANs 
C)  It is a contention-based media access control technique 
D)  When a collision has occurred, the computers that wish to transmit wait a random amount of time after a colliding message before attempting to retransmit 
E)  Computers on the circuit 'listen' before transmitting 
A)  The acronym refers to Carrier Sense Multiple Access with Collision Detection 
B)  It is used in token ring protocol LANs 
C)  It is a contention-based media access control technique 
D)  When a collision has occurred, the computers that wish to transmit wait a random amount of time after a colliding message before attempting to retransmit 
E)  Computers on the circuit 'listen' before transmitting

Question 2

__________ is not true with respect to network hubs.

Accepted Answer

A)  Each port in a hub has a unique number. 
B)  A good network plan includes hubs in areas, such as a telecommunications wiring closet, in which a network may expand 
C)  Simple hubs are commonly available in 4-, 8-, 16-, and 24-port sizes 
D)  Many hubs act as repeaters or amplifiers 
E)  Hubs provide a complicated way to connect network cables 
A)  Each port in a hub has a unique number. 
B)  A good network plan includes hubs in areas, such as a telecommunications wiring closet, in which a network may expand 
C)  Simple hubs are commonly available in 4-, 8-, 16-, and 24-port sizes 
D)  Many hubs act as repeaters or amplifiers 
E)  Hubs provide a complicated way to connect network cables

Question 3

A hardware device that is not included in a network profile cannot be accessed by another computer on the network.

Accepted Answer

A) True 
 B)False

Question 4

A(n)_____________ is not a common type of dedicated server.

Accepted Answer

A)  file server 
B)  print server 
C)  database server 
D)  collision server 
E)  remote access server 
A)  file server 
B)  print server 
C)  database server 
D)  collision server 
E)  remote access server

Question 5

The DCF function of Wi-Fi resolves the hidden node problem.

Accepted Answer

A) True 
 B)False

Question 6

Give five types of dedicated servers.

Accepted Answer

Dedicated servers are physical servers t

Question 7

Directional antennas signals are much stronger than omnidirectional antennas.

Accepted Answer

A) True 
 B)False

Question 8

The type of logical topology that Ethernet uses is a:

Accepted Answer

A)  ring 
B)  bus 
C)  star 
D)  mesh 
E)  interconnected 
A)  ring 
B)  bus 
C)  star 
D)  mesh 
E)  interconnected

Question 9

Peer-to-peer networks have computers that are permanently assigned as network servers

Accepted Answer

A) True 
 B)False

Question 10

How many channels does the 802.11b standard provide for communication between the access point and clients?

Accepted Answer

A)  assigning each access point a different channel to communicate with clients 
B)  separate each access point by more than 10 meters 
C)  assign the same channel to no more than two access points 
D)  use omnidirectional antennas on some access points and directional on others. 
E)  none of the above 
A)  assigning each access point a different channel to communicate with clients 
B)  separate each access point by more than 10 meters 
C)  assign the same channel to no more than two access points 
D)  use omnidirectional antennas on some access points and directional on others. 
E)  none of the above

Question 11

Compared to 802.11b,802.11g provides fewer channels for stations to communicate with the access point.

Accepted Answer

A) True 
 B)False

Question 12

With _____________,the AP permits the owner to provide a list of valid addresses that can connect.

Accepted Answer

A)  EAP. 
B)  SSID 
C)  WEP 
D)  MAC address filtering 
E)  SWEP 
A)  EAP. 
B)  SSID 
C)  WEP 
D)  MAC address filtering 
E)  SWEP

Question 13

To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the server(s),you can:

Accepted Answer

A)  increase the CPU of the server 
B)  upgrade to a bigger circuit 
C)  increase the number of hard disks on the server 
D)  increase the amount of disk capacity of the server 
E)  increase the amount of memory of the server 
A)  increase the CPU of the server 
B)  upgrade to a bigger circuit 
C)  increase the number of hard disks on the server 
D)  increase the amount of disk capacity of the server 
E)  increase the amount of memory of the server

Question 14

The maximum transmission speed of 802.11a LANs is 11 Mbps.

Accepted Answer

A) True 
 B)False

Question 15

Ethernet LAN was developed by:

Accepted Answer

A)  IBM 
B)  ARPANET 
C)  DEC, Xerox, and Intel 
D)  University of Minnesota 
E)  CERN laboratory in Geneva 
A)  IBM 
B)  ARPANET 
C)  DEC, Xerox, and Intel 
D)  University of Minnesota 
E)  CERN laboratory in Geneva

Question 16

____________ refers to one computer legally sharing a software package,such as Microsoft Word,with other computers on the network to save costs.

Accepted Answer

A)  Software metering 
B)  Information sharing 
C)  Resource sharing 
D)  Software pirating 
E)  Network routing 
A)  Software metering 
B)  Information sharing 
C)  Resource sharing 
D)  Software pirating 
E)  Network routing

Question 17

A(n)___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.

Accepted Answer

A)  Ethernet NIC 
B)  antennae 
C)  wireless NIC 
D)  access point 
E)  hub 
A)  Ethernet NIC 
B)  antennae 
C)  wireless NIC 
D)  access point 
E)  hub

Question 18

The frequency ranges of some access points are the same as some cordless telephones.

Accepted Answer

A) True 
 B)False

Question 19

_____________ refers to having users access the same data files,exchange information via electronic mail,or search the Internet for information.

Accepted Answer

A)  Resource sharing 
B)  User grouping 
C)  User profiling 
D)  Information sharing 
E)  Data pirating 
A)  Resource sharing 
B)  User grouping 
C)  User profiling 
D)  Information sharing 
E)  Data pirating

Question 20

Describe how you might secure your home wireless network.

Accepted Answer

Securing your home wireless network is e

Which of the following is not true about CSMA/CD?

__________ is not true with respect to network hubs.

A hardware device that is not included in a network profile cannot be accessed by another computer on the network.

A(n)_____________ is not a common type of dedicated server.

The DCF function of Wi-Fi resolves the hidden node problem.

Give five types of dedicated servers.

Directional antennas signals are much stronger than omnidirectional antennas.

The type of logical topology that Ethernet uses is a:

Peer-to-peer networks have computers that are permanently assigned as network servers

How many channels does the 802.11b standard provide for communication between the access point and clients?

Compared to 802.11b,802.11g provides fewer channels for stations to communicate with the access point.

With _____________,the AP permits the owner to provide a list of valid addresses that can connect.

To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the server(s),you can:

The maximum transmission speed of 802.11a LANs is 11 Mbps.

Ethernet LAN was developed by:

____________ refers to one computer legally sharing a software package,such as Microsoft Word,with other computers on the network to save costs.

A(n)___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.

The frequency ranges of some access points are the same as some cordless telephones.

_____________ refers to having users access the same data files,exchange information via electronic mail,or search the Internet for information.

Describe how you might secure your home wireless network.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Design

Network Management

Filters

Exam 6: Wired and Wireless LANs

Which of the following is not true about CSMA/CD?

__________ is not true with respect to network hubs.

A hardware device that is not included in a network profile cannot be accessed by another computer on the network.

A(n)_____________ is not a common type of dedicated server.

The DCF function of Wi-Fi resolves the hidden node problem.

Give five types of dedicated servers.

Directional antennas signals are much stronger than omnidirectional antennas.

The type of logical topology that Ethernet uses is a:

Peer-to-peer networks have computers that are permanently assigned as network servers

How many channels does the 802.11b standard provide for communication between the access point and clients?

Compared to 802.11b,802.11g provides fewer channels for stations to communicate with the access point.

With _____________,the AP permits the owner to provide a list of valid addresses that can connect.

To increase the volume of simultaneous messages the LAN circuit can transmit from network clients to the server(s),you can:

The maximum transmission speed of 802.11a LANs is 11 Mbps.

Ethernet LAN was developed by:

____________ refers to one computer legally sharing a software package,such as Microsoft Word,with other computers on the network to save costs.

A(n)___________ is a radio transceiver that plays the same role as a hub or switch in a wired network and connects the WLAN to the wired network.

The frequency ranges of some access points are the same as some cordless telephones.

_____________ refers to having users access the same data files,exchange information via electronic mail,or search the Internet for information.

Describe how you might secure your home wireless network.

Introduction to Data Communications

Application Layer

Physical Layer

Data Link Layer

Network and Transport Layers

Backbone Networks

Wide Area Networks

The Internet

Network Security

Network Design

Network Management

Filters