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C. The Class of address D. The amount of hosts needed
Answer: C
Given the answers listed only the class of the address can determine which portion is used for the network. If a subnet mask were provided that would further define the network and node.
Chapter: 4
173. PDU's at the Network layer of the OSI are called what?
A. Transport
B. Frames C. Packets
D. Segments
Answer: C
Each layer has a packet data unit descriptor. The Network layer's is the packet.
Chapter: 4
174. Which two statements about a reliable connection-oriented data transfer are true?
A. Receiving hosts acknowledge receipt of data
B. When buffers are full, packets are discarded and are not retransmitted C. Windowing is used to provide flow control and unacknowledged data segments
D. If the transmitting host's timer expires before receipt of an acknowledgement, the transmitting host drops
the virtual circuit Answer: A, C
When a virtual circuit is created, windowing is used for flow control and acknowledgement of data
Chapter: 4
175. PDU's at the Data Link layer are named what?
A. Transport B. Frames
C. Packets
D. Segments
Answer: B
Each layer has a packet data unit descriptor. The Data-Link layer's is the frame.
Chapter: 4