Deck 13: How the Internet Works

Question 1

Public IP addresses are valid within:

A) a LAN.
B) a root server.
C) the Internet.
D) a WAN.
E) a system.

Answer 1

C

Question 2

A service that provides temporary private IP addresses to computer users is called:

A) LAN IP.
B) DNS.
C) DHCP.
D) TCP/IP.

Answer 2

C

Question 3

The is the process of changing public IP addresses into private IP addresses.

A) conversion
B) IEEE
C) NAT
D) OSI
E) MAC addresses

Answer 3

C

Question 4

Routers and other devices provide the service of:

A) URL registration.
B) traffic maintenance.
C) NAT.
D) programming support.
E) query support.

Question 5

Switches work with at Layer 2.

A) NAT
B) MAC addresses
C) ISPs
D) frames
E) packets

Question 6

The Internet is based on a packet- switching protocol called:

A) NAT.
B) SOHO.
C) SMTP.
D) ftp.
E) TCP/IP.

Question 7

208.77.188.103 is an example of a(n) .

A) Domain registration
B) DNS
C) IP address
D) Domain name

Question 8

Routers work with at Layer 3.

A) frames
B) MAC addresses
C) packets
D) NAT
E) ISPs

Question 9

licenses other agencies to register unique domain names and their associated IP addresses.

A) SOHO
B) DNS
C) ICANN
D) IETF
E) DSL

Question 10

A document's address on the web is its .

A) DNR
B) ICAAN
C) TLD
D) DNS
E) URL

Question 11

is a standard email protocol.

A) FTP
B) HTTP
C) TCP/IP
D) OSI
E) SMTP

Question 12

A resolves domain names into IP addresses.

A) DHCP
B) DNS
C) LAN IP
D) TCP/IP

Question 13

A(n) program examines your email and attachments and breaks a lengthy message into pieces called segments.

A) SMTP
B) ftp
C) http
D) OSI
E) TCP

Question 14

Every domain name in the world is .

A) resolved
B) unique
C) saved on every computer
D) available

Question 15

ICANN manages thirteen _ that maintain a list of IP addresses of servers that resolve each type of TLD.

A) TLD servers
B) DNS servers
C) URL servers
D) root servers
E) cache servers

Question 16

Public IP addresses are converted to private ones and vice versa using:

A) ATM.
B) NAT.
C) )NET.
D) MAC.
E) PSDN.

Question 17

Private IP addresses are valid within:

A) the Internet.
B) a system.
C) a LAN.
D) a WAN.
E) a root server.

Question 18

The protocol is used for the processing of Web pages.

A) social
B) TCP/IP
C) ftp
D) http
E) OSI

Question 19

administers domain name registration.

A) ICAAN
B) URL
C) TLD
D) ICANN
E) DNR

Question 20

In the various layers of a network architecture, a is a set of rules that accomplish the tasks assigned to that layer.

A) protocol
B) frame
C) models
D) logic
E) segment

Question 21

IP addresses are also called _.

Question 22

The network architecture is divided into five layers.

Question 23

The process of changing a name into its IP address is called the domain name.

Question 24

TCP is a communications protocol that helps break messages and files into .

Question 25

A picture file attached to an email message will probably be broken into chunks or
of data when transmitted over a variety of networks to its eventual destination.

Question 26

Domain names are resolved into IP addresses by the _ _.

Question 27

is a protocol used to copy files from one computer to another.

Question 28

The last letters in any domain name are referred to as the _ .

Question 29

maintain lists of IP addresses that resolve each type of top- level domain.

Question 30

URL stands for .

Question 31

A network

Question 32

The converts user- friendly names into their IP addresses.

Question 33

provides temporary private IP addresses to computer users.

Question 34

A network is a set of rules for accomplishing the functions of a particular layer.

Question 35

SMTP is an example of a network .

Question 36

Network devices have two addresses; a physical MAC address and a logical .

Question 37

is an unrestricted top- level domain that was intended for network providers.

Question 38

The letters in a domain name are known as the top- level domain name.

Question 39

A network has a table of data to help route traffic to the right destination.

Question 40

is a nonprofit organization that is responsible for administering the registration of domain names.

Question 41

Email programs operate primarily at the transport layer.

Question 42

File Transfer Protocol is an application- layer protocol.

Question 43

The Internet has adopted the TCP/IP- OSI architecture.

Question 44

Every NIC is given a MAC address at the factory.

Question 45

Switches employ a table to tell it where to direct traffic.

Question 46

The Internet Engineering Task Force developed a five layer protocol architecture known as TCP/IP- OSI.

Question 47

The ISO developed TCP/IP layered protocol.

Question 48

In most cases, when you plug your computer into a network, a program in Windows or other operating system will search that network for a DHCP server.

Question 49

Not every layer has a protocol associated with it.

Question 50

The DNS converts IP addresses into user- friendly domain names.

Question 51

IP addresses are not permanently associated with a given hardware device.

Question 52

A protocol is a standardized means for coordinating an activity between two or more entities.

Question 53

The TCP program breaks messages down into packets.

Question 54

Routers use a routing table to tell it where to send traffic.

Question 55

The TCP layer packages each segmane into packets.

Question 56

A communications protocol is used to coordinate activity between a computer and a router.

Question 57

The process of changing public IP addresses into private IP addresses is called Network Address Translation (NAT).

Question 58

IP addresses are also called physical addresses.

Question 59

SMTP and HTTP are examples of Layer 5 protocols.

Question 60

In a private network, administrators cannot manually assign IP addresses.

Question 61

You are a master of the Japanese art of calligraphy. All your friends and family have told you that you should start a business selling your calligraphy on the Web. You would like to call it "Magic Strokes". Explain how you would go about deciding on a top- level- domain and registering your name. Go to icann.org and see if it is available and how much it would cost.

Question 62

What is a DNS and how does it work with IP addresses?

Question 63

What are the two kinds of IP addresses and how do they work?

Question 64

What is the TCP/IP- OSI architecture? Briefly describe how the five layers work.