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Q1. What advantages do you see in having a layered concept of computer networks? Which layers or OSI structure deals with identification of a host? Explain the proces
What is use of Carrier sense multiple access Carrier sense multiple access with collision detection (CSMA/CD) is a form of medium access control in which a station listens to
State the process of calculate the drift rate A drift rate of 10 -9 means 1 second in 109 seconds or 1 nsec every second. At OC-1 speed, say 50 Mbps for simplicity, a bit las
State about the Packet filter firewalls They remain the most common type of firewall in use as of today. They were the earliest firewalls developed and were capable of permitt
What do mean by tunnel mode? This is a mode of data exchange wherein two communicating computers do not use IPSec themselves. Instead, the gateway that is linking their LANs to
Which type of Ethernet framing is used for TCP/IP and AppleTalk Ans)Ethernet SNAP
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Unguided Media: Wireless - A Wireless communication transporting electromagnetic waves without a physical conductor Wireless Propagation Methods - Ground - radio
What is horizontal and vertical parity A single error can cause both horizontal and vertical parity checks to be wrong. Two errors can also be easily detected. If they are not
What are the two broad class classifications under which Networks can be divided? All computer networks fit in one of the two dimensions namely: a) Transmission Technol
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