FUNDAMENTALS OF COMPUTER

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WEB BROWSERS TECHNOLOGY

THE INTERNET

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The various protocols in use on the Internet are said to operate in layers in which the protocol(s) at each layer solve one problem related to networked communication, and higher layers are built on top of, and rely on, the lower layers to do their jobs. From the list provided CHOOSE THE TWO (2) answers that correctly describe which internet protocol relies on the other. For example, if protocol A relies on protocol B, it means that A is a higher level of protocol than B, and thus protocol B must exist and work properly in order for protocol A to do its job. Select two answers
A
TCP/IP relies on HTTP
B
HTTP relies on TCP/IP
C
DNS relies on TCP/IP
D
TCP/IP relies on DNS
Explanation: 

Detailed explanation-1: -Which of the following BEST describes how protocols on the Internet (e.g. IP, TCP, HTTP) make use of abstraction to accomplish their respective purposes? Low level protocols can provide functionality to high level protocols without revealing the details of how this is accomplished.

Detailed explanation-2: -Internet Layer. This layer, also known as the network layer, accepts and delivers packets for the network. It includes the powerful Internet protocol (IP), the Address Resolution Protocol (ARP) protocol, and the Internet Control Message Protocol (ICMP) protocol.

Detailed explanation-3: -The 4 layers of the TCP/IP model The application layer provides applications with standardized data exchange. Its protocols include HTTP, FTP, Post Office Protocol 3, Simple Mail Transfer Protocol and Simple Network Management Protocol.

Detailed explanation-4: -SMTP. The Simple Mail Transfer Protocol (SMTP) is used for sending and receiving e-mail between e-mail clients and servers.

There is 1 question to complete.
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