CNE Question - kavediasir

childrenpenNetworking and Communications

Oct 26, 2013 (4 years and 6 months ago)




Q1. What is topology? List & describe different types of topology?

Q2. State advantages & disadvantages of different topologies

Q3. Trouble


if ring n/w is easy or difficult? Justify your answer ? list

all causes of failure of
ring topology? State the types of ring topology i.e point to point or broadcast?

Q4. Describe n/w topology for a telemarketing formed; under what circumstance ring will be less
then star ?

Q5. Problem on topologies &

n/w asked in exams ?

Q6. State whether bus is active or passive n/w justify it & compare bus with ring on the basis of cable
used faults tolerance ?

Q7. Which of the following n/w topologies degrades most grace fully in high n/w load situation star ,

, mesh, bus ?

Q8. Topology identification question from question papers ?

Q9. Mesh topology is preferably used for very small n/w. state this statement is true or false with your
justification ?




Q1. What is modem?





Q2. State which device work on which layer repeater, bridge, switch, gateway ?

Q3. What is hub ? state how they are classified ?

Q4. Describe what is gateway ? state the situation under which gateways are necessary in the n/w ?

Q5. Desc
ribe repeater? State situations under which
it is necessary in network ?

Q6. Describe role of modem in x mission?

Q7. List the different types of connector used in communication ? state its uses ?

Q8. Compare hub switch & repeater ?

Q9. With the help of ne
at diagram describe the working of router & list type of router ?

Q10. What is NIC ? state its function ?

Q11. Give classification of networking devices ?

Q12. What is bridge ? describe its functioning ? state types of bridge ?

Q13. State necessity of hub,

bridge, switch, repeater, router ?



Q1. Compare of OSI & TCPIP reference model ?

Q2. Explain horizontal & vertical communication ?

Q3. Describe bit staffing with example ?

Q4. Which of following layer is faster ICMP, TCP,

Q5. Describe working of following protocol ICMP, ARP, PPP, SMTP ?

Q6. Describe & list protocol associated with application, session, transport & n/w layer of OSI model ?

Q7. Describe TCPIP model & state function of transport layer ?

Q8. Explain i
n detail IDU & PDU ?

Q9. Describe OSI reference model in detail ?

Q10. Describe data encapsulation in OSI model ?

Q11. Describe important design issues for various layers ?

Q12. Describe packet, frame, datagram & fragment ?

Q13. List & describe various f
unctions of DLL ? explain framing, addressing & address control ?

Q14. What is MAC
explain in detail ?

Q15. Describe what is routing & its types ?



Q1. List & describe DHCP protocol ?

Q2. What is subnet masking explain with example ?

Q3. L
ist function of ARP MESSAGE FIELD ?

Q4. What is IP address ? list and describe various IP address classes ?

Q5. What is SUP protocol ? list and describe problem related to SL & P ?

Q6. Compare IPV4 & IPV6 ?

Q7. What is PPP ? describe its frame format ?

8. Describe flow diagram of PPP connection ?

Q9. Compare PPP & SLIP ?

Q10. State disadvantages of IPV4 ?

Q11. What is IPV6 and list and describe IPV6 address ?

Q12. Describe ICMP ?

Q13. What is TCP & UDP ? compare TCP & UDP ?

Q14. Describe how TCP provide flow control ?

Q15. Describe structure of TCP , IP & UDP ?