What is packet switching ? Explain two different approaches of packet switching. ?
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packet switching methods ?
Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.
What is the average number of transmission required to send a frame of length 1600 bytes correctly, if the bit error rate is 1 x 10-6.
What is the difference between Win xp & win 2003?
Could u Pl. explain all the 7 layers of network?
Give two reasons why PGP compresses messages.
What is the advantage of Ring network ?
Outline and discuss the main fields in Ethernet IEEE 802.3 frame. What are the main objectives of preamble ?
What are the advantages and disadvantages of switch
1).what is forest? 2).what is dns and dhcp port no's? 3).what is file system? 4).what is terminal server?
What are the advantages of cell switching that is used in ATM?
What is virtual channel