Deck 7: The Internet

Question 1

A paradigm for electronic communications where a dedicated path is opened and maintained during the exchange is called _________.

A)message switching
B)circuit switching
C)packet switching
D)data switching

Answer 1

B

Question 2

The Internet is an unusual corporate tool in that it is owned and managed by a single entity.

Answer 2

False

Question 3

DNS is actually a huge collection of servers working together in hierarchy.

Answer 3

True

Question 4

ARPANET was the first message-switching network.

Question 5

The first two important applications developed for the ARPANET were:

A)Telnet and FTP
B)Telnet and email
C)FTP and email
D)email and world-wide-web

Question 6

The Internet is a central component of most enterprise networks.

Question 7

In the Internet,individual hosts and / or local area networks are connected to an Internet services provider through a point-of-presence.

Question 8

Packet switching is like message switching except that the unit of data sent at one time is limited in size,thus requiring larger messages to be broken into pieces.

Question 9

End users typically contact all of the company servers by IP address rather than by name.

Question 10

The National Science Foundation was responsible for many of the policy decisions that led to the modern Internet.

Question 11

The Internet grew out of a Department of Education project.

Question 12

Commercial use of the Internet was discouraged until approximately 1988.

Question 13

Hosts connected to the Internet are identified by a unique 24-bit number that identifies a network and specific host within that network.

Question 14

The first "killer application" for the ARPANET was ________.

A)Telnet
B)FTP
C)email
D)remote login

Question 15

A paradigm for electronic communications where messages are split into blocks of data with limited size,which are then transmitted one-by-one across the network is called _________.

A)message switching
B)circuit switching
C)packet switching
D)data switching

Question 16

The development of an internationally distributed collection of multimedia files addressed using universal resource locators led to the:

A)Telnet package
B)email system
C)world-wide-web
D)FTP package

Question 17

When using message switching instead of packet switching,a dedicated path must be established between the parties for all messages that are sent.

Question 18

A computer connected to the Internet is called a "host".

Question 19

If you receive an IP address automatically,the address of the DNS server can be provided at the same time.

Question 20

When using circuit switching,a dedicated path of transmission facilities is established between the communicating parties.

Question 21

Traditionally,the two primary paradigms for electronic communications were circuit switching and _________ switching.

Question 22

A ________ is a site that has a collection of telecommunications equipment and usually refers to ISP or telephone company sites.

A)POP
B)NSP
C)CPE
D)IXP

Question 23

Each packet includes a unique numeric address of the destination host,which is referred to as an __________ because the address is carried in an IP packet.

Question 24

The key features of the DNA database are:

A)variable-depth hierarchy for names,distributed databases,and name servers
B)resolvers,distributed databases,and name servers
C)distribution controlled by the database,resolvers,and distributed databases
D)variable-depth hierarchy for names,distributed databases,and distribution controlled by the database

Question 25

The layout of the browser display is controlled by the __________ standard,which defines embedded commands in text files that specify features of the browser display,such as the fonts,colors,images and their placement on the display,and the location of the locations where the user can invoke the hyperlinks and their targets.

Question 26

The _________ is the place where telephone companies terminate customer lines and locate switching equipment to interconnect those lines with other networks.

Question 27

Individual hosts and LANs are connected to an Internet Service Provider (ISP)through a __________.

Question 28

The ________ is one of a number of major Internet interconnection points that serve to tie all the ISPs together.

A)CPE
B)POP
C)IXP
D)NSP

Question 29

The ________ is a global information system logically linked together by a globally unique address space based on the Internet Protocol or its subsequent extensions / follow-ons.

Question 30

A company that provides other companies or individuals with access to,or presence on,the Internet is a(n)__________.

A)point of presence
B)ISP
C)network service provider
D)central office

Question 31

The Internet is able to support communications using the ________ suite or its subsequent extensions / follow-ons,and / or other IP-compatible protocols.

Question 32

__________ is telecommunications equipment that is located on the customer's physical location rather than on the provider's premises or in between.

A)CPE
B)ISP
C)CO
D)IXP

Question 33

The problem of using IP numbers for addressing hosts in the Internet are resolved using __________.

A)the concept of domains and the use of domain names
B)the use of Telnet applications
C)the use of email servers
D)splitting IP addresses into four octets

Question 34

The __________ is a communications protocol for use in TCP / IP networks for fetching the files from the appropriate servers as specified by the hyperlinks.

Question 35

The Domain Name System (DNS)is comprised of four elements; which of the following is NOT one of these elements?

A)DNS database
B)IP addresses
C)name servers
D)resolvers

Question 36

The ________ is a company that provides backbone service to an ISP.

A)NSP
B)CO
C)IXP
D)CPE

Question 37

The domain ________ is for network support centers,Internet service providers,and other network-related organizations.

A)org
B)info
C)com
D)net

Question 38

_________ are programs that extract information from name servers in response to client requests.

A)Name servers
B)DNS
C)Resolvers
D)IP datagram

Question 39

_______ provides a universal language for remote computer terminals.

Question 40

The Internet evolved from the _________,which was developed in 1969 by the Advanced Research Projects Agency (ARPA)of the U.S.Department of Defense.

Question 41

An ________ is a physical facility that provides the infrastructure to move data between connected networks.

Question 42

A ________ refers to a group of hosts that are under the administrative control of a single entity,such as a company or government agency.

Question 43

________ is based on a hierarchical database containing resource records that include the name,IP address,and other information about hosts.

Question 44

The most important service an ISP provides is access to other _________ networks.

Question 45

The networks connected at an IXP are owned and operated by _________.