What are the reasons for using layered protocols ?
If A sends a message to B with encryption then key is a)A public key b)B public key c)A private key d)B private key
Tell the correct definition of router, hub and switch and where do we use these?
What is the advantage of Ring network ? Compare it with ethernet
1.what is ram , hard disk ,processor,motherboard ,bios and use of
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,
how many host we can add for network 172.112.0.1/20 ? and which is the broadcast address for above network ?
What is Semaphore? What is deadlock?
Explain leaky bucket algorithm and compare it with token bucket algorithm.
What is Brouter (Bridge Router)
Differentiate between static and dynamic channel allocation.
How data flow from source to destination please Explain each step from layer to layer?
What is the Rule of 17 concerning mapping devices to FAs?