what is the command to check how many port numbers are
running with their specific protocols in linux pc
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Write short note on any four of the following:
what does FTP and TFTP stands for ?
In which of the 7 layers of OSI will a service handling conversion of characters is from EBCDIC to ASCII be normally implemented ?
Explain different kinds of Switching techniques.
not able to connect to SBI Visa payment server...Getting message like "Server not found"...."proxy protected by firewall"....how to resolve this issue?
I want to known comparative networking features of windows and linux.
How many layers are there in OSI ? Why is it called OSI model ?
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?
Explain Salient difference between ISO-OSI and TCP/IP models.
Why transport layer protocols like TCP and UDP are called end-to-end protocols. What is the difference between them?
What is the difference between Win xp & win 2003?
Contrast link state and distance vector routing protocols, giving an example of each.