which layer of osi model ensures reliable trasnmission of data

6 Answers  

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What are the advantages and disadvantages of NIC

4 Answers   Apple, Cisco,

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Which is the protocol used in ethernet. (CSMA/CD) Why is it called so ?

2 Answers  

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systems on the same switch: A can talk to B; A can talk to C; B cannot talk to C. How do you troubleshoot the problem?

1 Answers  

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why we need MAC address in data link layer?

2 Answers   TeleTech,

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Define Enterprise Networks

0 Answers   Hughes,

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How many layers are there in OSI ?

11 Answers   Honeywell,

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Checksum in IP packet is

3 Answers   Hughes,

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Explain the advantage and disadvantage of ethernet ?

0 Answers   Cap Gemini, Infosys,

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Write down the basic features of HDLC protocol? Could HDLC be used as a data link protocol for a LAN? Justify your answer.

0 Answers  

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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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What is the basic requirement of a real-time network ?

7 Answers   Honeywell,

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