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Q. Show the Flow characteristics?
Flow characteristics
Reliability - if lacking means that packets or ACKs are lost
- more important with FTP, SMTP than with audio conferencing
Delay - source to destination delay
- telephony, audio & video conferencing more prone to delay
Jitter - variation in delay for packets belonging to the same flow
- real-time audio & video cannot tolerate high jitter
Bandwidth
Q. Calculate Utilization percentage of the link? - System: Stop and wait ARQ - Bandwidth: 1Mbps - Round trip for one bit: 20ms - Frame length: 1000 bits Utilizatio
Q. Explain the Types of Security Service? Security Services fall into one of the subsequent categories - Confidentiality: Confirms that the info in a system and transm
Q. What is Transmission Media? - Actually situated below the physical layer - Directly controlled through the physical layer - Data should be converted into electromagnet
802.11 DSSS a) Direct sequence spread spectrum in a 2.4 GHz band b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer c) Se
Ring: It is a simple linear array where end nodes are associated. It is equal to a mesh with wrap around connections. The data transfer in a ring is generally one direction. So,
Name the activities does routing protocol perform?
UNIX For Multiprocessor System:- The UNIX operating system for a multiprocessor system has a number of additional features as compared to the normal UNIX operating system. Let
Question: a) (i) Describe the entire process of credit card processing, identifying the different steps and parties involved. (ii) What are the roles of the acquiring ban
Q. Show the Model for Network Access Security? Model for Network Access Security (1) Gatekeeper functions comprise Password-based login authentications. (2)
Explain the Physical layer The Physical layer of the OSI model sets standards for sending and receiving electrical signals among devices. It explains how digital data (bits) ar
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