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?

<p>To ensure successful delivery of messages (C)</p> Signup and view all the answers

What is the channel in communication?

<p>The media that carries the message (A)</p> Signup and view all the answers

What are the requirements for successful communication?

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

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

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

Which protocol is responsible for providing guaranteed delivery?

<p>Transmission Control Protocol (TCP) (D)</p> Signup and view all the answers

What is a protocol suite?

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

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

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

At which layers do TCP/IP protocols operate?

<p>Application, transport, and internet layers (D)</p> Signup and view all the answers

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

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

What is the most common LAN protocol?

<p>Ethernet (D)</p> Signup and view all the answers

What is the TCP/IP protocol suite?

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

What is the purpose of standards organizations?

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

What does the TCP/IP protocol suite include?

<p>Many protocols (A)</p> Signup and view all the answers

What is the advantage of open standards?

<p>To encourage innovation (C)</p> Signup and view all the answers

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

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

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

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

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

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

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

<p>To forward traffic to the default gateway (B)</p> Signup and view all the answers

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

<p>Local addressing (A)</p> Signup and view all the answers

What is the source MAC address in the first segment?

<p>AA-AA-AA-AA-AA-AA (D)</p> Signup and view all the answers

What remains the same throughout the routing process?

<p>L3 addressing (D)</p> Signup and view all the answers

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

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

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

<p>Bits, Frame, Packet, Segment, Data (C)</p> Signup and view all the answers

What is the primary responsibility of the Network Layer?

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

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

<p>Network interfaces on the same network (D)</p> Signup and view all the answers

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

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

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

<p>Interface ID (D)</p> Signup and view all the answers

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