WorksheetsChoose the correct answer!
Total questions: 12
Worksheet time: 6mins
What is (PPP)
Point-to-Point Protocol
Pay per performance
Public private partnership
This design for . . . . ?
Go-Back-N ARQ
Selective Repeat ARQ
Stop- and- wait ARQ protocol
What is the relationship between the Stop-and-Wait ARQ protocol and the Go-Back-N ARQ protocol?
Stop-and-Wait ARQ is completely independent of Go-Back-N ARQ
Stop-and-Wait ARQ is a special case of Go-Back-N ARQ where the window size is 1
Go-Back-N ARQ is a special case of Stop-and-Wait ARQ where the window size is 1
What characterizes the simplest protocol in communication?
Complex data encryption
Multi-channel transmission
No flow or error control
In selection repeat ARQ, the size of the sender and receiver window must be at most one-half of 2^m (2^m-1)
True
False
in the selective-repeate protocol, an acknowledgement number defines the sequence number of the error-free packet received
True
False
(HDLC) is a bit oriented protocol for communication over point-to-point and multipoint links
True
False
What is (ARQ) ?
Automatic Repeat Request
Advanced Repeat Request
immediate frame retransmission
This design for . . . ?
Receive window for selective Repeat ARQ
Windows size for Go-Back-N ARQ
Window size for Selection Rapet
This design for . . . ?
Go-Back-N ARQ
Selective Repeat ARQ
Stop-and-wait ARQ
error correction in stop and wait ARQ is done by keeping a copy of the sent frame and retransmitting of the frame when the timer expires
True
False
1+1= ?
2
1
0
