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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What is the use of abap data dictionary? : abap data dictionary
Explain what is difference between arp & rarp? How both of these protocols will work, and where it will use?
Write a function to perform the substraction of two numbers. Eg: char N1="123", N2="478", N3=-355(N1-N2).
Clarify what a task tracker is in hadoop?
What are the main differences between laravel 4 and laravel 5.x?
diff. between tension mode & speed mode
What is the difference between an Abstract class and Interface?
So how quickly you can scale the ec2 capacity for scale up as well as scale down?
What is vacuuming in postgresql?
How can a developer utilize hive?
What type of information do you enter to define for a server definition?
which methods is most likely an event handler? : Adobe flash
Which built-in method returns the calling string value converted to lower case?
What is the function of a domain?
Explain the role of ISO in quality assurance.
