Outline and discuss the main fields in Ethernet IEEE 802.3 frame. What are the main objectives of preamble ?233
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 10-6.154
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.105
Subnet the class C network address 126.96.36.199 into eight subnets. Why are the ‘all ones’ and ‘all zeroes’ subnets not used ?246
What do you understand by the term ‘structured cabling’. State the main rules that should be used when installing a cable. 31. Show that maximum cabling area for LAN for horizontal cabling runs is approximately 200m.183
What are the various classes of IP addressing? Calculate the maximum number of class A, B and C network Ids.148
Contrast link state and distance vector routing protocols, giving an example of each.
I have 2 networks. One is LAN & other is Tata Indicom Modem which is connected to USB. The problem is that When USB Modem is using, i am unable to use LAN. And when we use LAN, we cannot use USB Modem. kindly help me.
If the transmitted code word is 10011000 and the received code word is 11001001. What is the error word ? Write transmitted code word , received code word and error word as polynomials.
Explain Salient difference between ISO-OSI and TCP/IP models.
Why is a data link layer switch preferred over a hub ?
Differentiate between Optical fibre and twisted pair
How do cryptography-based keys ensure the validity of data transferred across the network?
what is the command to check how many port numbers are running with their specific protocols in linux pc
Compare satellite with fiber as a communication medium and enumerate the application areas where satellite still holds a niche(or special)marker.
Draw the IP datagram header format. “IP datagram has a checksum field still it is called an unreliable protocol”. Justify?
cat 5E cable with brown colour cable what will be its speed in kbps for internet?
Explain Token ring
What are the basic functions of the data link layer?
how many types of backups are there & explain them in theory mode & practical mode?
whtch file system support the tcp/ip , http protocal and ftp protocal?