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Q. What is Bus Topology?
Multipoint configuration
One cable acts like a backbone to link all devices
Advantages: Effortlessness of installation and less cabling
Disadvantages: Difficult reconnection along with fault isolation a fault/break in the bus cable stops all transmission
ICMP is used to send error and control messages. Ping uses ICMP to carry the echo-request and echo-reply.
Can you define what IPSec is?
Q. Explain Full Duplex data transmission? - Have two separate Communication channels as well as use each one for simplex Data traffic (in different directions). - If this is
Simple Mail Transfer Protocols (SMTP) The application layer protocols for electronic mail is SMTP( Simple mail transfer protocols). Internet electronic mail has man
Describe the main factors of switching delay No. The speed of propagation is 200,000 km/sec or 200 meters/µsec. In 10 µsec signal travels 2 km. Therefore, each switch adds equi
You are a network consultant working for a large European networVservice provider and have been given the task of reviewing the future network requirements of the company for its f
Q. Use of Infrared? - Frequencies among 300 GHz and 400 THz - Short-range communication - High frequencies can't penetrate walls - Necessitate line-of-sight propagati
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
Difference between synchronous tdm and statistical tdm
Advantage of IP sec Tunnelling Mode IP Sec tunnelling mode has the following advantages: a.Security : Ts IP sec tunnelling mode secure somewhat but not the best. In a
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