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IP plus port (IP on layer 3 and port on Layer 4 - In Encapsulation, socket base decision on Network Layer -Layer 3)
Q. What do you understand by OSI? Ans: The Open System Interconnection (OSI) reference model illustrates how information from a software application in one computer goes throug
Prepare the Network Step 1: Disable all ports by using the shutdown command. Ensure that the initial switch port states are inactive with the shutdown command. Use the inter
Q. Show the Parity Check - Performance? Parity Check - Performance Is able to detect all single-bit errors Can as well detect burst errors if the total number of
What is a binary semaphore? What is its use? A binary semaphore is takes only 0 and 1 as values. They are used to execute mutual exclusion and synchronize concurrent p
FCS= Frame Check Sequence CRC (Cyclic Redundancy Check) algorithm runs in switch that known as FCS (Frame Check Sequence)
Q. Illustrate the Model for Network Security? - A message is transferred from one party (Principal) to another. - A logical information channel is founded between the t
Can you describe the concept of TTL?
Question: (a) What is a script kiddie? Is it a significant security threat, and why? (b) Assume that UNIX uses the user login name in lieu of the traditional salt, what is
Difference between Unicast and Anycast Unicast: An identifier for a single interface. A packet sent to a unicast address is delivered to the interface identified by that addres
Q. Describe Flow and Error Control Mechanisms? Flow and Error Control Mechanisms - Stop and Wait ARQ - Go-Back ARQ - Selective Repeat ARQ
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