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QUESTION
a) Security is a very crucial component in a Distributed System. Describe three properties of a secure channel.
b) During packet transmission, messages are subdivided into packets. Give two reasons why restricted length of packets are used.
c) Differentiate between Packet and Circuit Switching.
d) Explain the term "Virtual Circuit Packet Delivery".
e) The Network Time Protocol service can be used to synchronize computer clocks. Explain why, even with this service, no guaranteed bound given for the difference between two clocks.
a) Give three UDP features and three TCP features.
b) Give three main sources of overhead.
c) Is it conceivably useful for a port to have several receivers?
d) Define the semantics for and design a protocol for a group form of request reply interaction, for example using IP multicast.
100Base-TX Uses two category 5 UTP cable pairs or else two STP cable pairs to connect stations to a hub (star) One pair holds frames from station to hub one pair from
"arpa" is used by the Cisco IOS for which encapsulation types Ans) Ethernet_II
Explain how Tracert actually work?
Functions and features of the IPMonitor program are as follows: a) This program should be able to list out detail information of IP traffic which includes source IP address an
Operating system for Clients All of the clients running popular operating systems such as Microsoft Windows, Mac OS, UNIX, etc., could be used to function as backbone software
The disadvantages and advantages of Private and Public networks are shown in the table below:
A logic gate drives a load, which has a resistance of 1 kÙ and a capacitance of 20 pF. The printed circuit track connecting the gate to its load has an 40 pF capacitance to ground.
Q. Show about Alternate mark inversion? Bipolar AMI - Neutral, zero voltage represents binary 0 - Binary 1s symbolized by alternating positive and negative voltages
So how packets do determines their way across the Internet? Does each computer linked to the Internet know where the other computers are? Do packets just get 'broadcast' to every c
importance of mail server ,proxy server ,modem ,intranet and web site
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