Q. The physical layer is responsible for
✅ Correct Answer: (D)
all of the mentioned
Data Communication and Networking MCQs and Notes
Q. In asynchronous serial communication the physical layer provides
✅ Correct Answer: (C)
both (a) and (b)
Q. Wireless transmission can be done via
✅ Correct Answer: (D)
all of the mentioned
Q. A single channel is shared by multiple signals by
✅ Correct Answer: (C)
multiplexing
Q. The physical layer translates logical communication requests from the ______ into hardware specific operations.
✅ Correct Answer: (A)
data link layer
Q. Physical layer provides
✅ Correct Answer: (D)
all of the mentioned
Q. Transmission data rate is decided by
✅ Correct Answer: (B)
physical layer
Q. Which address identifies a process on a host?
✅ Correct Answer: (C)
port address
Q. Which address is used in an internet employing the TCP/IP protocols?
✅ Correct Answer: (D)
all of the mentioned
Q. Which layer links the network support layers and user support layers
✅ Correct Answer: (C)
transport layer