Computer Network Protocols

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Questions and Answers

What is necessary for two devices to communicate?

They must be in the same location
They must use the same rules (correct)
They must have the same speed
They must be the same size

What is the message source in communication?

The device that receives the message
The device that sends the message (correct)
The language used to convey the message
The channel that carries the message

What are the rules that govern communication?

Protocols (correct)
Networks
Channels
Devices

What is the purpose of protocols in communication?

To ensure successful delivery of messages (C) Signup and view all the answers

What is the channel in communication?

The media that carries the message (A) Signup and view all the answers

What are the requirements for successful communication?

Identified sender, common language, speed, and confirmation (B) Signup and view all the answers

What is the primary function of the Hypertext Transfer Protocol (HTTP)?

Governs the way a web server and a web client interact (D) Signup and view all the answers

Which protocol is responsible for providing guaranteed delivery?

Transmission Control Protocol (TCP) (D) Signup and view all the answers

What is a protocol suite?

A group of inter-related protocols necessary to perform a communication function (C) Signup and view all the answers

Which protocol suite is maintained by the Internet Engineering Task Force (IETF)?

Internet Protocol Suite or TCP/IP (A) Signup and view all the answers

At which layers do TCP/IP protocols operate?

Application, transport, and internet layers (D) Signup and view all the answers

What is the primary function of the Internet Protocol (IP)?

Delivers messages globally from the sender to the receiver (A) Signup and view all the answers

What is the most common LAN protocol?

Ethernet (D) Signup and view all the answers

What is the TCP/IP protocol suite?

A open standard protocol suite that is freely available to the public (C) Signup and view all the answers

What is the purpose of standards organizations?

To develop and promote the concept of open standards (D) Signup and view all the answers

What does the TCP/IP protocol suite include?

Many protocols (A) Signup and view all the answers

What is the advantage of open standards?

To encourage innovation (C) Signup and view all the answers

What is the role of a client in the TCP/IP communication process?

To de-encapsulate the web page for the web browser (A) Signup and view all the answers

What is the function of the default gateway in a LAN?

To act as a 'door' to remote locations (D) Signup and view all the answers

What happens if devices on the LAN do not have the default gateway address?

Their traffic will be confined to the LAN only (B) Signup and view all the answers

What is the role of Layer 2 in the routing process?

To forward traffic to the default gateway (B) Signup and view all the answers

What type of addressing is used in the data link layer?

Local addressing (A) Signup and view all the answers

What is the source MAC address in the first segment?

AA-AA-AA-AA-AA-AA (D) Signup and view all the answers

What remains the same throughout the routing process?

L3 addressing (D) Signup and view all the answers

What happens to a layer's header when it completes its process?

It's stripped off and passed to the next layer (A) Signup and view all the answers

What is the order of the data stream from top to bottom?

Bits, Frame, Packet, Segment, Data (C) Signup and view all the answers

What is the primary responsibility of the Network Layer?

Delivering IP packets from source to destination (A) Signup and view all the answers

What do the Data Link Layer source and destination addresses identify?

Network interfaces on the same network (D) Signup and view all the answers

What is the purpose of the IP address's network portion or prefix?

It indicates the network group which the IP address is a member (D) Signup and view all the answers

What is the host portion of an IPv4 address also known as in IPv6?

Interface ID (D) Signup and view all the answers

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