NA

Correct Option: A

Internet media types are used in Content-Type and Accept header fields. Media types are registered with IANA (Internet Assigned Number Authority). The syntax for a media type is m-type = type “/” subtype *(“;” parameter). The name of subtype, type and parameter attribute all are case sensitive.

NA

Correct Option: C

A character set must know to web browsers to display HTML pages correctly. For the preference of clients we use character sets for specifying characters. The default value is US-ASCII. The valid character sets are ISO-8859-1, US-ASCII or ISO-8859-7.

NA

Correct Option: D

There are basically three main features of HTTP protocol i.e HTTP is media independent, HTTP is connectionless and it is stateless also. Browser initiates HTTP request, and then client disconnects from the server.

NA

Correct Option: D

Network layer is the third layer, it deals with routing across complicated networks, Internet Protocol (IP) is very commonly used at this level. It is capable of traveling across multiple networks. It can also travel through intermediate devices like routers.

NA

Correct Option: D

There are seven layers namely Physical layer, data Link layer, network Layer, transport layer, session layer, presentation layer, and application layer. The physical layer is the first layer, it is used for transmitting electrical signal across the network. Examples are USB, Bluetooth or Ethernet.