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Explain Persistence timer?
- ACK are not acknowledged in TCP
- When this goes off send a probe (1 byte of data)
- It is set to the retransmission time & doubled every time a response is not received (until 60 s, then sent every 60 s)
Can you describe static default routes?
Unfortunately, building real-life distributed systems is not easy. It is hard, for instance, to implement instructions such as "send this data structure to be processed on that com
Q. What is Bipolar Encoding? - Uses three voltage levels negative, positive and zero - Zero level represents binary 0; 1s are represented with alternating positive and negat
Describe some common threats to the hardware Theft of a computer, printer, or other resources. Tampering by a disinterested or frustrated employee who takes every chan
write on everything on telecommunication
Twisted Pair Cable Twisted pair cable consists of two insulated copper wires each about 1 mm thick arranged in a regular spiral pattern. The wires are twisted together
Identify and briefly explain any four key requirements that need to be examined when considering deploying a WLAN technology.
Why Routine security audits are essential It is essential that regular security audits are conducted to find out physically which computer is connected and permits access to
PING - Packet Internet Gopher A utility that shows connections to one or more remote hosts. The ping command uses the ICMP echo request and echo reply packets to verify whether
What is the Network Layer of the OSI responsible for? Ans) The Network Layer routes data from single node to another sends data from the source network to the destination networ
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