what is the command to check how many port numbers are
running with their specific protocols in linux pc
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Expand IDEA?
Write down the basic features of HDLC protocol? Could HDLC be used as a data link protocol for a LAN? Justify your answer.
We can use Office Communication server instead of any dialer?
What are the reasons for using layered protocols ?
One of my friend told that M.C.A people are not prefered by the companies for networking side requirement is it true? please post your answer.because i want to make my career at networking side.
why we need MAC address in data link layer?
What is count to infinity problem ?
Which one is not done by Data link layer ? bit stuffing, LRC,CRC,parity check
Explain Difference between congestion control and QoS(or Quality of service)
What are the advantages and disadvantages of modem
Is it possible for a User to change Admin Password who is not a part of Admin group if so how is it possible?
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?
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