Mid Term (Chapter 2)

Question 1

Client-Server Architecture

Answer 1

One of the two paradigms where the host is ‘always ON’

Question 2

P2P (Peer to Peer)

Answer 2

One of the two paradigms which the role of host and server are not fixed

Question 3

What is a Socket

Answer 3

Programming construct whereby running processes on one machine communicate with other processes in another

Question 4

What parameters are in a Socket

Answer 4

(IP address, Port number, Transport protocol)

Question 5

What is Reliable

Answer 5

TCP delivers in sequence, no duplicates and no errors

Question 6

UDP?

Answer 6

User Datagram Protocol

Question 7

TCP?

Answer 7

Transmission Control Protocol

Question 8

Application Layer

Answer 8

The layer which programmers can only control

Question 9

What is the World Wide Web

Answer 9

a Structure that is built on top of the Internet

Question 10

What are the two transport layer protocols avaible in applications

Answer 10

TCP and UDP

Question 11

Web Pages

Answer 11

Its objects such as JPEG,PNG or GIF images all addressable by a single URL that points to the base HTML file

Question 12

What is HTML

Answer 12

Hyper-text Markup Language(programming language)

Question 13

Persistent Connections

Answer 13

Phone call is always open and closes when prompted to

Question 14

Non-Persistent Connections

Answer 14

Start a phone call and the server hangs up upon completing the client request

Question 15

Is Email asynchronous or synchronous

Answer 15

It is asynchronous

Question 16

Web Caching

Answer 16

Having Proxy Servers act as a cache for a website

Question 17

SMTP

Answer 17

Simple Mail Transfer Protocol

Question 18

POP3

Answer 18

Post Office Protocol(Access Protocol method)

Question 19

What does POP3 not allow

Answer 19

Allow Hierarchical structure to be created on the server

Question 20

IMAP

Answer 20

Internet Mail Access Protocol

Question 21

MIME

Answer 21

Multipart Internet Mail Extensions

Question 22

What does MIME use

Answer 22

The mail to access mail via HTTP port 80

Question 23

What is telnet

Answer 23

Application Protocol that provides a bidrectional interactive text-oriented communication over TCP

Question 24

Cookies what are they?

Answer 24

The memory saved to customize experience for users

Question 25

Which protocols are pull protocols

Answer 25

POP3 and IMAP

Question 26

Which protocols are push protocols

Answer 26

SMTP

Question 27

DNS means

Answer 27

Domain Name System

Question 28

What is an example of a hostname

Answer 28

www.google.com

Question 29

What is an example of IP

Answer 29

172.217.5.13

Question 30

Host/Mail Server Aliasing

Answer 30

DNS provides this as to simplify host names for users

Question 31

Domain

Answer 31

A network under some single administrative authority