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By expanding your personal professional network on LinkedIn


A) you are taking advantages of technology.
B) you are taking advantage of network externalities.
C) you are taking advantages of your professional contacts.
D) you are creating a local network.
E) you have joined the trend of collaboration.

F) B) and D)
G) C) and D)

Correct Answer

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A computer___________ is a collection of computers that communicate with one another over transmission lines.


A) server
B) database
C) application
D) network
E) system

F) B) and E)
G) A) and C)

Correct Answer

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DSL is implemented in ___________ media.


A) optical fiber cable
B) UTP
C) wireless
D) Ethernet
E) transmission

F) C) and E)
G) B) and D)

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Narrowband transmission speeds typically do not exceed 56 kbps.

A) True
B) False

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Computers at different geographic locations are connected with a(n)__________ .

Correct Answer

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ISPs are rarely willing to make performance guarantees that commit them to levels of network service quality.

A) True
B) False

Correct Answer

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Many organization use collaboration because


A) the infrastructure to use collaboration exist in the organization.
B) it makes for more effective business processes.
C) it takes advantages of business graduates excellent communication skills.
D) the results can be greater than the results produced by a single individual.
E) workflow control software exists.

F) A) and B)
G) A) and C)

Correct Answer

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The Internet has probably decreased the number of degrees that separate us from everyone else.Why is this so? Could it also increase our separation? Why or why not?

Correct Answer

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This is a question with many right answe...

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The fastest WLAN standard in use today is 802.11n.

A) True
B) False

Correct Answer

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Networks like LinkedIn are not limited in their growth.

A) True
B) False

Correct Answer

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What is a VPN and how does it work? Give an example of how it is used in business.

Correct Answer

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VPN stands for a "virtual private network." This is one alternative to a WAN.A VPN takes advantage of the Internet or leased lines to create the appearance of private,point -to -point connections.Being "virtual" simply means that it appears to exist to the users,but does not actually exist.In business,if a manufacturer needs to maintain a steady connection to their suppliers,they might set up a VPN with them.This is because they are more stable and offer much better security,yet they are relatively inexpensive and quite flexible and easy to set up.

Broadband lines include dial -up and cable modems.

A) True
B) False

Correct Answer

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Twisted pair copper lines are used with DSL modems.

A) True
B) False

Correct Answer

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HTTPS is a protocol for secure communication over the Internet.

A) True
B) False

Correct Answer

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A(n) ___________ is a network of networks.


A) Internet
B) transmission network
C) intranet
D) LAN
E) WAN

F) B) and E)
G) A) and B)

Correct Answer

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A

Which of the following applies to asymmetric encryption?


A) It is used in IM.
B) Only one key is used.
C) It is simpler than symmetric encryption.
D) It is faster than symmetric encryption.
E) One key encodes the message,one key decodes the message.

F) A) and E)
G) C) and E)

Correct Answer

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The difference between a SDSL connection and a ADSL connection is


A) ADSL lines have different upload and download speeds.
B) ADSL and SDSL are the same.
C) DSL lines have different upload and download speeds.
D) data transmission and voice transmission can occur at the same time with ADSL and not with SDSL.
E) data transmission and voice transmission can occur at the same time with SDSL and not with ADSL.

F) A) and C)
G) C) and E)

Correct Answer

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100 Mbps stands for


A) 1 073 741 824 bit per second.
B) 100 000 bit per second.
C) 1 048 576 bit per second.
D) 100 000 000 bit per second.
E) 100 000 000 000 bit per second.

F) A) and E)
G) C) and D)

Correct Answer

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Describe two different WAN alternatives.

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By definition a WAN connects computers t...

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A(n) __________ provides you with a legitimate Internet address and serves as your gateway to the Internet.


A) TCP/IP
B) VPN
C) ISP
D) SMTP
E) switch

F) A) and C)
G) C) and D)

Correct Answer

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C

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