chapter 3

Question 1

Packet switching

Answer 1

A method of slicing digital messages into packets, sending the packets along different communication paths as they become available, and then reassembling the packets once they arrive at their destination

Question 2

packets

Answer 2

The discrete units into which digital messages are sliced for transmission over the internet

Question 3

Router

Answer 3

special purpose computer that interconnects the computer networks that make up the internet and routes packets to their ultimate destination as they travel the internet

Question 4

Routing algorithm

Answer 4

Computer program that ensures that packets take the best available path towards their destination

Question 5

Protocol

Answer 5

set of rules and standards for data transfer

Question 6

ransmition control protocol/internet protocol

Answer 6

core communications protocol for the internet

Question 7

TCP

Answer 7

Establishes connections among sending and receiving computers and handles assembly and reassembly of packets

Question 8

iP

Answer 8

provides the internets addressing scheme and is responsible for delivery of packets

Question 9

Network interface layer

Answer 9

Responsible for placing packets on and receiving them from the network medium

Question 10

Internet layer

Answer 10

: Responsible for addressing, packaging, and routing messages on the internet

Question 11

anspoer layer

Answer 11

Responsible for providing communication with other protocols withinTCP/IP suite

Question 12

pplication layer

Answer 12

includes protocols used to provide user services or exchange data

Question 13

order gateway protocol (BGP)

Answer 13

Enables exchange of routing information among systems on the internet

Question 14

IPv4 Internet adress

Answer 14

A method of slicing digital messages into packets, sending the packets along different communication paths as they become available, and then reassembling the packets once they arrive at their destination

Question 15

IPv6 internet adress

Answer 15

Internet adress expressed as a 128 bit number

Question 16

Domain name

Answer 16

IP address expressed in natrual language

Question 17

Domain name system

Answer 17

System for expressing numeric IP addresses in natural language

Question 18

Uniform resource locator

Answer 18

The address used by a web browser to identify the location of content on the web

Question 19

Client/server computing

Answer 19

A model of computing in which client computers are connected in netweork together with one or more servers

Question 20

client

Answer 20

powerful desktop computer that is part of a network

Question 21

server

Answer 21

Networked computer dedicated to common functions that the client computer on the network needs

Question 22

Cloud computing

Answer 22

Model of computing in which computer processing, storage, software and other services are provided as a shared pool of virtualized resources over the internet