Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Multiple Choice Questions
Q221: Which sublayer of the data link layer defines the software processes for network layer protocols?
- A: Logical Link Control (LLC)
- B: Media Access Control (MAC)
- C: Physical Layer
- D: Network Interface Layer
View Answer
A
Q222: Fill in the blank: The Media Access Control (MAC) sublayer provides ________ and delimiting of data according to the physical signaling requirements.
- A: data link layer addressing
- B: network layer addressing
- C: error detection
- D: flow control
View Answer
A
Q223: What does the Frame Check Sequence (FCS) field in a data link layer frame do?
- A: Calculates a logical summary of the frame contents
- B: Indicates the frame's destination address
- C: Shows the start of the frame
- D: Determines the type of upper layer service
View Answer
A
Q224: Fill in the blank: The ________ field in a data link layer frame is used to indicate the beginning of the frame.
- A: Start Frame
- B: Priority/Quality of Service
- C: Logical Connection Control
- D: Flow Control
View Answer
A
Q225: Which field in a data link layer frame indicates the source and destination nodes on the media?
- A: Source and Destination Address field
- B: Type field
- C: Start Frame field
- D: Priority/Quality of Service field
View Answer
A
Q226: Fill in the blank: The Frame Check Sequence (FCS) field compares the CRC value of the received frame to the CRC calculated at the ________.
- A: source node
- B: destination node
- C: sender's end
- D: receiver's end
View Answer
B
Q227: What is the purpose of the Priority/Quality of Service field in some data link layer protocols?
- A: Indicate a particular type of communication service
- B: for error detection
- C: Determine the frame's start
- D: Provide source and destination addresses
View Answer
A
Q228: Fill in the blank: The Logical Connection Control field is used to establish a ________ between nodes.
- A: .logical connection
- B: media link
- C: error detection flow
- D: control path
View Answer
A
Q229: What is the function of the Start Frame field in a data link layer frame?
- A: Indicates the beginning of the frame
- B: Shows the type of upper layer service
- C: Provides flow control
- D: Establishes a logical connection
View Answer
A
Q230: Fill in the blank: The data link layer separates media transitions from the communication processes of ________.
- A: upper layers
- B: lower layers
- C: physical layers
- D: hardware components
View Answer
A