Small Terms

Question 1

FTP

Answer 1

File transfer protocol

Used for the transfer of computer files between a client and server on a computer network.

Question 2

HTTP

Answer 2

Hypertext transfer protocol

Transfers text, pictures and other data from the server to a client computer, which uses a web browser to view datas.

Question 3

ICMP

Answer 3

Internet Control Message Protocol

Used by network devices including routers error indicating that a requested service is not available or host or router could not be reached.

Question 4

DHCP

Answer 4

Dynamic Host Configuration Protocol

Automatically assign unique IP addresses to devices on a network, saving time and risk of conflicts.

Operates on client server model.
Leases IP addresses to clients for specific period of time, after which Client must renew the lease or obtain a new IP address.

Can be used in small home as well as large entreprise.

Question 5

DNS

Answer 5

Domain Name System
Allows mapping of human readable domain names to IP addresses that computers use to communicate with each other over internet.

Question 6

Proxy Server

Answer 6

An intermediate server that acts as a mediator between client device and the internet.

Allows client device to access to website without revealing its own IP address or location.

Also provides caching, filtering and security.

Question 7

WEB SCRAPER

Answer 7

Is to extract data.
Examples: Data mining, Evidence gathering, Archiving

Question 8

ISP

Answer 8

Internet Service Provider
Is an organization that provides services for accessing, using and participating in the internet.

Question 9

TLS

Answer 9

Transport Layer Security
Provides end to end communication security over networks and is widely used for internet communications and online transactions.

Question 10

Content Length

Answer 10

It is number of bytes the body of the request is.

Question 11

Connection Oriented

Answer 11

A connection establish beforehand.

Question 12

Well formed XML

Answer 12

It is a document with correct syntax.

Question 13

HTTPs

Answer 13

used to protect sensitive information such as passwords, credit card numbers, and other personal data.

Data encrypted using SSL/TLS (Secure Socket Layer/Transport Layer Security) to prevent interception, tampering, or eavesdropping by third parties.

When visiting a website using HTTPS, your browser will display a padlock icon in the address bar to indicate that the connection is secure.

Question 14

Mail Relay

Answer 14

Routes an email to the correct destination.

Used within local networks to transmit emails among local users.

Question 15

SMTP

Answer 15

Set of communication guidelines to transfer email over internet.

Use only for outgoing messages.

Question 16

URL

Answer 16

Uniform Resource Locator

Usually use address bar to find a link or webpage or websites by typing whatever you are searching.

Question 17

P2P

Answer 17

Peer to Peer

Each participant workstation (computer) has same capabilites,privileges and responsibilities.

All computers interact and share resources as equals.

Are simpler but their performance decreases when there is heavy load.

Question 18

Ping

Answer 18

Uses ICMP,a simple error report Protocol to enable computers to report routing errors.

Question 19

Web service

Answer 19

Enable communication and exchange of data between different applications or platforms over Internet.

Question 20

Valid XML

Answer 20

It is well formed and conforms to its Document Type Definition (DTD)

Question 21

SOAP

Answer 21

Simple Object Accesss Protocol

XML based messaging protocol for exchanging information among computers.

It uses standard HTTP request/response model.

Question 22

Internet Protocol

Answer 22

IP uses set of rules to send and receive messages at internet address level.

Question 23

WWW

Answer 23

a system of interconnected hypertext documents and resources that are accessed through the Internet using HTTP and HTTPs.

Is collection of information and resources that can be accessed and navigated using web browers over internet.

Question 24

WEB PORTAL

Answer 24

Allows access to diverse information from the web in a unified way.

EX: yahoo, MSM

Often show features like news, weather, stock quotes.

Question 25

Main Characteristics of Web portal

Answer 25

Consistent look and feel
Personalization
Search and navigation
Performance
Security

Question 26

World Wide Web Consortium W3C

Answer 26

Develops standards for WWW.

Question 27

ICANN- Internet Coorporation for Assigned Names and Numbers

Answer 27

coordinates DNS and IP addressing.

Question 28

Bandwidth

Answer 28

Maximum amount of data that can be transmitted over a network in given amount of time.

Measured in bits per second.

Question 29

VPN

Answer 29

Virtual Private Network

allows you to create a secure and private network connection over a public network as if your computing device is directly connected to private network.

Encrypts your internet traffic, makes it difficult for anyone to intercept or access data.

Question 30

GPS

Answer 30

navigation system using a receiver and algorithms to synchronise location, velocity and time data for air,sea and land travel.

Question 31

3 benefits of XML

Answer 31

User defined tags

Human and machine can read it.

Allows for data to be exchanged across incompatible system.

Question 32

3 types of CSS

Answer 32

External

Internal

Inline

Question 33

Type of CSS recommended for designing websites:

Answer 33

External
Make one change,reflected everywhere.

Question 34

Box model in CSS and what it consist of ?

Answer 34

Box that wraps around each HTML element.

Consists of margins,borders,padding and content.

Question 35

Benefits of CSS

Question 36

WIKI

Answer 36

can be collectively worked on,allowing users to add or edit content.