Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q271: Fill in the blank: An imaginary connection between each layer in protocol layering is known as a _______.
- A: Logical connection
- B: Physical connection
- C: Data flow
- D: Direct connection
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A
Q272: Which of the following principles is a key aspect of protocol layering?
- A: Two objects under each layer should be identical
- B: One object under each layer should be unique
- C: Each layer communicates independently
- D: Layers communicate in only one direction
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A
Q273: Fill in the blank: In protocol layering, each layer communicates _______ with the other layers.
- A: Bidirectionally
- B: Unidirectionally
- C: Only with adjacent layers
- D: Independently of other layers
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A
Q274: Which of the following is an advantage of having bidirectional communication in protocol layering?
- A: It allows for the sending and receiving of tasks in both directions
- B: It makes the system more complex
- C: It limits communication to one direction
- D: It reduces the efficiency of the system
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A
Q275: Fill in the blank: The concept of two opposite tasks performed by each layer in protocol layering ensures _______.
- A: Efficient data transmission in both directions
- B: Communication only in one direction
- C: Independent operations at each layer
- D: Reduced network congestion
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A
Q276: Which of the following best describes the relationship between layers in a protocol?
- A: Logical connections between layers
- B: Physical dependencies between layers
- C: Each layer has no interaction with others
- D: Layers are connected through real cables
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A
Q277: Fill in the blank: In protocol layering, logical connections ensure _______ between layers.
- A: Proper communication
- B: Data loss
- C: Overlap in functions
- D: Data corruption
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A
Q278: What does the principle of identical objects under each layer ensure in protocol layering?
- A: It ensures compatibility across sites
- B: It reduces the need for separate layers
- C: It simplifies communication between layers
- D: It limits communication to one site
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A
Q279: Fill in the blank: In protocol layering, the requirement for identical objects under each layer ensures _______
- A: Compatibility across different sites
- B: More complex connections
- C: Fewer communication paths
- D: Delays in data transmission
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A
Q280: What is the TCP/IP protocol suite primarily used for?
- A: Internet communication
- B: File sharing
- C: Data encryption
- D: Email services
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A