Give two examples of a ‘collision-free’ protocol ?

0 Answers  

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Why do data link layer protocols position the checksum in the trailer and not in the header ?

0 Answers  

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waht is DHCP?

8 Answers   Arvind, HCL,

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I need to know the driver name associated with the DSN ? In java we can get it by using getDriverName()(implemented by 3rd party vendors.) method ? but i need the implemetation to get the driver name? so can u give me the code ? how to get the code ?

0 Answers  

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Explain the following ARQ techniques in detail 1. Stop and wait ARQ 2. Selective repeat ARQ

0 Answers  

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Which one is costly - ethernet of ring networks ?

1 Answers   Honeywell,

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1. What is the difference between layer 2 and layer 3 in the OSI model? 2. What is the difference between a hub, switch, and router? 3. What is a VLAN? 4. What is the difference between TCP and UDP? 5. How do you distinguish a DNS problem from a network problem? 6. What is a runt, Giant, and collision? 7. What is a broadcast storm? 8. What is the purpose of VRRP? 9. What is a VPN? 10. What information about a peer would I need to establish a VPN? 11. What is a full-class C in CIDR notation? 12. What is a default route? 13. What is a metric? 14. What is a MAC address? 15. What is ARP/RARP? 16. Describe a TCP connection sequence 17. What is MTU? 18. What other TCP setting can you modify besides MTU to shorten packets?

2 Answers   247Customer, Bharat BPO, Verinon Technology Solutions,

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cat 5E cable with brown colour cable what will be its speed in kbps for internet?

0 Answers   Airtel,

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What is tdm?

0 Answers   Maveric,

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Enumerate the main responsibilities of data link layer ?

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which is true a)bridge connects dissimiler LAN and protocol insensitive b)router connects dissimiler LAN and protocol insensitive c)gateway connects dissimiler LAN and protocol insensitive d)none of the above

2 Answers  

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What do you mean by link to link layers of OSI reference model? Explain their functions briefly?

0 Answers  

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