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When an intranet is extended outside the corporate walls to include suppliers,customers,or other external agents,it becomes a(n)____________________.

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____ is the electronic selling and buying of merchandise using the Web.


A) VoIP
B) E-retailing
C) E-mail
D) IM

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

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Every device that has a connection to the Internet is assigned an IP address.

A) True
B) False

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________________________________________ is the software that allows the user to save e-mail messages in a server mailbox and download them when desired from the server.

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Post Office Protocol...

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The Hypertext Transfer Protocol,or HTTP,is a transport layer protocol.

A) True
B) False

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The ____ is a large,distributed database of Internet addresses and domain names.


A) Uniform Resource Locator (URL)
B) Domain Name System (DNS)
C) Hypertext Transfer Protocol (HTTP)
D) Hypertext Markup Language (HTML)

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

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A company can use IP for transmission of data within its own network,but use traditional telephone lines outside the company network.Many people are now beginning to call such systems ____.


A) private VoIP
B) public VoIP
C) remote VoIP
D) distributed VoIP

E) A) and B)
F) C) and D)

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The most popular protocol that handles dynamic assignment of IP addresses is ________________________________________.

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Dynamic Host Configu...

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The IPv4 ____ field enables the network to discard a datagram that has been traveling the Internet for too long.


A) Time to Live
B) Service Type
C) Total Length
D) IP Options

E) None of the above
F) A) and B)

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____ takes an IP address in an IP datagram and translates it into the appropriate medium access control layer address for delivery on a local area network.


A) Transport Control Protocol (TCP)
B) User Datagram Protocol (UDP)
C) Network Address Translation (NAT)
D) Address Resolution Protocol (ARP)

E) A) and B)
F) B) and D)

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How does a TCP make a network more reliable?

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To make a network more reliable,TCP (as ...

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The protocol that resides at the ____ layer in the TCP/IP protocol suite is called Internet Protocol (IP) .


A) application
B) transport
C) network
D) network access

E) All of the above
F) C) and D)

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There are six basic forms of a classful IPv4 address: Class A,B,C,D,E,and F.

A) True
B) False

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The National Science Foundation funded the creation of a new high-speed,cross-country network backbone called the ____.


A) MILNET
B) NSFnet
C) CampusNET
D) DoDNET

E) B) and C)
F) A) and D)

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H.323 was originally designed for TCP/IP networks.

A) True
B) False

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Using a Web browser,you can download and view Web pages on a personal computer.

A) True
B) False

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IP is the protocol used by most networks and network applications to create an error-free,end-to-end network connection.

A) True
B) False

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Types of listserv software include mailserv,majordomo,and almanac.

A) True
B) False

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Intranets use essentially the same hardware and software that is used by other network applications.

A) True
B) False

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___________________________________ was introduced in 1998 by the Internet Engineering Task Force specifically for supporting the transfer of voice over the Internet.

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Session Initiation P...

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