CCNA Questions And Answers


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address table but doesn't forward data frames. The forwarding port sends and receives all data frames on
the bridged port. Lastly, A port in the disabled state is virtually nonoperational.
Chapter: 1


11. If a frame is received at a switch and only the destination hardware address is read before the frame is
forwarded, what type of switching method are you using?
A. fast-switch
B. VLSM C. Store and forward
D. cut-through
E. in-out
Answer: D
The cut-through switching method, only the destination hardware address is read before forwarding the
frame.
Chapter: 1


12. Which is true regarding Store-and-forward switching method?

A. Only reads the destination hardware address before forwarding the frame B. Latency varies depending on frame length
C. Default for all Cisco switches D. Latency is constant

Answer: B
The store and forward LAN switch will receive the entire frame, run a CRC, before forwarding the frame out
the destination port. Latency through store-and-forward switches varies depending on frame length.
Chapter: 1


13. Which of the following describes a full-duplex transmission?
A. Uses a single cable
B. Uses a point-to-point connection when only two hosts are present
C. Data transmission in only both directions, but only one way at a time D. Data transmission in only one direction

Answer: B
Full-duplex transmission uses a point-to-point connection from the transmitter of the transmitting station to
the receiver of the receiving station. Host to host means dedicated transmit to receiving pair as well as receiving to transmit pair.