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Q. Illustrate about Sliding Window Protocols?
- Sliding window
- Keeps the unacknowledged outstanding frames in sender
- Keeps the expected frames in receiver
- Sequence numbers
- Sent frames are numbered in sequentially
- If the numeral of bits in the header is m then sequence number goes from 0 to 2m - 1
- Protocols
confiriguration,capabilities,implementation
Which layers are network support layers? a. Physical Layer b. Data link Layer and c. Network Layers
What is multicast routing? Sending a message to a group is known as multicasting, and its routing algorithm is known as multicast routing.
modern technology in world of 21 century
Question: a) Compare Bluetooth and WIFI based networks over the following factors: Data rate, Range, Application Focus, Battery Power, Frequency Band, Security. b) Differe
Q. Show the Error Correction by Hamming Code? Hamming Code is able to be applied to data units of any length and uses the relationship between data and redundancy bits For i
DISTANCE-VECTOR ROUTING: It is easy to implement. Packet switch modifies its own routing table first. It is used in RIP. LINK-STATE ALGORITHM: It is ve
Q. Example on Multiplicative Decrease? w = 1 for (each new ACK received) w = w+1 until (loss detected or w >= ssthresh) Not so slow - Exponential increase
Q. Show Nonreturn to Zero encoding? - Value of signal is for all time positive or negative - NRZ-L Signal level depends on bit represented; positive typically means 0
What is a pseudo tty? A pseudo tty or false terminal enables external machines to connect by Telnet or rlogin. Without a pseudo tty, no connection can take place.
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