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Q. Explain about line coding?
Line Coding
Procedure of converting binary data to a digital signal
DC Components
Residual dc (direct-current) components or zero frequencies are undesirable
For VOIP, first you need to consider the codec to use. Although there are many voice codecs, MyCo wants the safest bet and suggests that you design with the most known and oldest c
Question Which elementary logic gate is equivalent to this circuit? Show your working.
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.
Name the two commands that save the running-config to a TFTP server Ans) Two commands are:- a) copy running tftp b) write network
Switched Ethernet In switched networks a switch device identifies the destination address and routes the frame to the specific port to which the destination station is conn
Star Topology Devoted point-to-point links to central controller (hub) Controller acts like exchange Advantages - Less expensive - Robustness Disadv
Coaxial Applications & Performance - Analog plus digital phone networks - Cable TV networks - Traditional Ethernet LANs - Power line and Home Networks-phone line -
What is Piggy Backing? A process called piggybacking is used to get better the efficiency of the bidirectional protocols. When a frame is carrying data from A to B, it can also
Approximately what is the maximum value for Vout?
Can you explain the Authentication Header (AH) Protocol?
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