61
The ______ layer adds a header to the packet coming from the upper layer that includes the logical addresses of the sender and receiver.
Answer: network
Questions
62
Which of the following is an application layer service?
Answer: All the above
63
When data are transmitted from device A to device B, the header from A’s layer 4 is read by B’s _______ layer.
Answer: Transport
64
__________ provides full transport layer services to applications.
Answer: TCP
65
The process-to-process delivery of the entire message is the responsibility of the _______ layer.
Answer: Transport
66
The ______ layer is responsible for moving frames from one hop (node) to the next.
Answer: data link
67
The _______ layer is responsible for delivering data units from one station to the next without errors.
Answer: data link
68
The session, presentation, and application layers are the ____ support layers.
Answer: user
69
The physical, data link, and network layers are the ______ support layers.
Answer: network
70
The ________ layer is responsible for the process-to-process delivery of the entire message.
Answer: transport
71
The _______ layer lies between the network layer and the application layer.
Answer: Transport
72
The Internetworking Protocol (IP) is a ________ protocol.
Answer: none of the above
73
The _______ layer links the network support layers and the user support layers.
Answer: transport
76
The _______ layer coordinates the functions required to transmit a bit stream over a physical medium.
Answer: physical
77
The ______ layer is responsible for the source-to-destination delivery of a packet across multiple network links.
Answer: network
78
Mail services are available to network users through the _______ layer.
Answer: Application
79
The ____ created a model called the Open Systems Interconnection, which allows diverse systems to communicate.
Answer: ISO
80
The _______ layer changes bits into electromagnetic signals.
Answer: Physical
