Layered Internet Protocol Stack

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What is the primary function of the network core?

To provide content
To interconnect routers (correct)
To provide wireless access
To provide access to the internet

What protocol is used for web browsing?

4G
Skype
TCP
HTTP (correct)

What is the function of a router in a home network?

To provide wireless access
To provide a firewall
To connect devices to the internet (correct)
To provide NAT

What is the purpose of encapsulation?

To provide routing information (B) Signup and view all the answers

What is the function of the link layer?

To provide physical transmission (D) Signup and view all the answers

What is the purpose of a protocol?

To control the sending and receiving of messages (D) Signup and view all the answers

What is the primary function of protocols in a network?

To define the format, order of messages sent and received among network entities, and actions taken on message transmission, receipt (B) Signup and view all the answers

What is the main benefit of using a layered approach to organize network protocols?

It provides a standardized framework for developing and implementing network protocols (D) Signup and view all the answers

Which layer of the TCP/IP model is responsible for routing of datagrams from source to destination?

Network layer (C) Signup and view all the answers

What is the purpose of the transport layer protocol in the TCP/IP model?

To provide reliable data transfer between processes (C) Signup and view all the answers

What is the primary concern of the transport layer protocol in a network?

Ensuring the reliable transfer of data between devices (A) Signup and view all the answers

In the TCP/IP model, which layer is responsible for data transfer between neighboring network elements?

Link layer (A) Signup and view all the answers

What is the process of adding headers and trailers to data packets at each layer of the protocol stack?

Encapsulation (D) Signup and view all the answers

What is the result of encapsulating a transport-layer segment with a network-layer header?

A network-layer datagram (A) Signup and view all the answers

What is the primary function of the link layer protocol in a network?

Providing a physical connection between devices in a network (D) Signup and view all the answers

In the TCP/IP model, which layer is responsible for providing services to network applications?

Application layer (C) Signup and view all the answers

What is the purpose of the link-layer protocol in the TCP/IP model?

To encapsulate datagrams with a link-layer header (C) Signup and view all the answers

In the TCP/IP model, which layer is responsible for transferring data bits 'on the wire'?

Physical layer (C) Signup and view all the answers

What is the result of encapsulating an application-layer message with a transport-layer header?

A transport-layer segment (D) Signup and view all the answers

In the TCP/IP model, which layer is responsible for process-process data transfer?

Transport layer (B) Signup and view all the answers

What is the purpose of encapsulation in the TCP/IP model?

To allow data transmission across different layers (A) Signup and view all the answers