Question 1

Broadband communications have transmission speeds in excess of ________.

Accepted Answer

A) 256 kbps 
B) 512 kbps 
C) 1024 kbps 
D) 1)2 terabps 
A) 256 kbps 
B) 512 kbps 
C) 1024 kbps 
D) 1)2 terabps A

Question 2

Which is a special version of asymmetric encryption that is popular on the Internet?

Accepted Answer

A) public key/private key 
B) Cramer Shoup encryption 
C) Secure Socket Layer 
D) Transport Layer Security 
A) public key/private key 
B) Cramer Shoup encryption 
C) Secure Socket Layer 
D) Transport Layer Security A

Question 3

List the functions of an ISP.

Accepted Answer

An ISP has three important functions.First,it provides you with a legitimate Internet address.Second,it serves as your gateway to the Internet.The ISP receives the communications from your computer and passes them on to the Internet,and it receives communications from the Internet and passes them on to you.Finally,ISPs pay for the Internet.They collect money from their customers and pay access fees and other charges on your behalf.

Question 4

Which of the following is true of DSL modems?

Accepted Answer

A) DSL modems use cable lines for data transmission. 
B) Their signals do not interfere with voice telephone service. 
C) Protocols used by DSL modems for data transmission are based on user requirements. 
D) DSL service and speed are standardized across applications. 
A) DSL modems use cable lines for data transmission. 
B) Their signals do not interfere with voice telephone service. 
C) Protocols used by DSL modems for data transmission are based on user requirements. 
D) DSL service and speed are standardized across applications.

Question 5

Describe the major protocols of a LAN.

Accepted Answer

For a LAN to work,all devices on the LAN

Question 6

_____ are special purpose computers that move network traffic between nodes.

Accepted Answer

A) Modems 
B) Routers 
C) PSDNs 
D) VPNs 
A) Modems 
B) Routers 
C) PSDNs 
D) VPNs

Question 7

Leased lines may be a good option if there is a large amount of traffic between a small number of locations.

Accepted Answer

A) True 
 B)False

Question 8

A ________ must be used to convert an analog signal to a digital one,when trying to transmit data over a typical phone line.

Accepted Answer

A) fiber optic switch 
B) DSL 
C) modem 
D) tunnel 
A) fiber optic switch 
B) DSL 
C) modem 
D) tunnel

Question 9

A(n)________ is a computing device that prevents unauthorized network access.

Accepted Answer

A) router 
B) switch 
C) SSL 
D) firewall 
A) router 
B) switch 
C) SSL 
D) firewall

Question 10

There is one standard protocol,EVDO,which is used by all of the wireless providers for WAN connections.

Accepted Answer

A) True 
 B)False

Question 11

To provide seamless flow to networks that comprise an Internet an elaborate scheme called a(n)________ is used.

Accepted Answer

A) layered protocol 
B) networking protocol 
C) ISDN 
D) Ethernet 
A) layered protocol 
B) networking protocol 
C) ISDN 
D) Ethernet

Question 12

A(n)________ uses the Internet or other internet to create the appearance of private,point-to-point connections.

Accepted Answer

A) VPN 
B) ATM 
C) SMTP 
D) Ethernet 
A) VPN 
B) ATM 
C) SMTP 
D) Ethernet

Question 13

One disadvantage of using VPN is that customers cannot use the VPN from their own sites.

Accepted Answer

A) True 
 B)False

Question 14

________ is the dominant WLAN standard today.

Accepted Answer

A) IEEE 802.11a 
B) IEEE 802.11b 
C) IEEE 802.11g 
D) IEEE 802.11n 
A) IEEE 802.11a 
B) IEEE 802.11b 
C) IEEE 802.11g 
D) IEEE 802.11n

Question 15

In most cases,the speed of cable modems and DSL modems is about the same.

Accepted Answer

A) True 
 B)False

Question 16

Whether it is a DSL line,a cable TV line,or a wireless satellite connection,all of them require a modem.

Accepted Answer

A) True 
 B)False

Question 17

Optical fiber cables are wrapped in a cladding to contain the light signals.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following WAN protocols has the greatest potential for speed?

Accepted Answer

A) IEEE 802.3 
B) WiMax 
C) HSDPA 
D) EVDO 
A) IEEE 802.3 
B) WiMax 
C) HSDPA 
D) EVDO

Question 19

What is a network? Describe the various networks.

Accepted Answer

A computer network is a collection of co

Question 20

A modem converts a TCP/IP signal to a wireless format.

Accepted Answer

A) True 
 B)False

Broadband communications have transmission speeds in excess of ________.

Which is a special version of asymmetric encryption that is popular on the Internet?

List the functions of an ISP.

Which of the following is true of DSL modems?

Describe the major protocols of a LAN.

_____ are special purpose computers that move network traffic between nodes.

Leased lines may be a good option if there is a large amount of traffic between a small number of locations.

A ________ must be used to convert an analog signal to a digital one,when trying to transmit data over a typical phone line.

A(n)________ is a computing device that prevents unauthorized network access.

There is one standard protocol,EVDO,which is used by all of the wireless providers for WAN connections.

To provide seamless flow to networks that comprise an Internet an elaborate scheme called a(n)________ is used.

A(n)________ uses the Internet or other internet to create the appearance of private,point-to-point connections.

One disadvantage of using VPN is that customers cannot use the VPN from their own sites.

________ is the dominant WLAN standard today.

In most cases,the speed of cable modems and DSL modems is about the same.

Whether it is a DSL line,a cable TV line,or a wireless satellite connection,all of them require a modem.

Optical fiber cables are wrapped in a cladding to contain the light signals.

Which of the following WAN protocols has the greatest potential for speed?

What is a network? Describe the various networks.

A modem converts a TCP/IP signal to a wireless format.

The Importance of Mis

Collaboration Information Systems

Information Systems for Competitive Advantage

Hardware and Software

Database Processing

How the Internet Works

Business Process Management

E-Commerce and Web 2.0

Business Intelligence Systems

Managing Development

Information Systems Management

Information Security Management

International Dimension 1 - the Global Economy

International Dimension 2 - Global Communication

International Dimension 3 - Global Is and the Value Chain

International Dimension 4 - International It Management and Development

Filters

Exam 6: Data Communications

Broadband communications have transmission speeds in excess of ________.

Which is a special version of asymmetric encryption that is popular on the Internet?

List the functions of an ISP.

Which of the following is true of DSL modems?

Describe the major protocols of a LAN.

_____ are special purpose computers that move network traffic between nodes.

Leased lines may be a good option if there is a large amount of traffic between a small number of locations.

A ________ must be used to convert an analog signal to a digital one,when trying to transmit data over a typical phone line.

A(n)________ is a computing device that prevents unauthorized network access.

There is one standard protocol,EVDO,which is used by all of the wireless providers for WAN connections.

To provide seamless flow to networks that comprise an Internet an elaborate scheme called a(n)________ is used.

A(n)________ uses the Internet or other internet to create the appearance of private,point-to-point connections.

One disadvantage of using VPN is that customers cannot use the VPN from their own sites.

________ is the dominant WLAN standard today.

In most cases,the speed of cable modems and DSL modems is about the same.

Whether it is a DSL line,a cable TV line,or a wireless satellite connection,all of them require a modem.

Optical fiber cables are wrapped in a cladding to contain the light signals.

Which of the following WAN protocols has the greatest potential for speed?

What is a network? Describe the various networks.

A modem converts a TCP/IP signal to a wireless format.

The Importance of Mis

Collaboration Information Systems

Information Systems for Competitive Advantage

Hardware and Software

Database Processing

How the Internet Works

Business Process Management

E-Commerce and Web 2.0

Business Intelligence Systems

Managing Development

Information Systems Management

Information Security Management

International Dimension 1 - the Global Economy

International Dimension 2 - Global Communication

International Dimension 3 - Global Is and the Value Chain

International Dimension 4 - International It Management and Development

Filters