Advanced Networking Technologies - Dec 2014

Electronics Engineering (Semester 8)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1 (a) Explain in brief the various security threats(5 marks) 1 (b) State the principle of WDM and advantages of DWDM.(5 marks) 1 (c) Describe an ATM cell in detail(5 marks) 1 (d) Compare TCP/lP and OSI model(5 marks) 2 (a) What is the role played by repeaters, hubs, routers, switches and gateways(10 marks) 2 (b) Describe ubiquitous and hierarchical access and compare them.(10 marks) 3 (a) How does frame relay provide congestion control and quality of service? Explain with its frame structure.(10 marks) 3 (b) What is the role of VPI and VCI in ATM. Explain ATM adaptation layer(10 marks) 4 (a) List all the hardware used in SONET and describe their role with the help of a block diagram.(10 marks) 4 (b) State the benefits of RMON and explain(10 marks) 5 (a) Describe the security safeguards used in networking, also explain Firewalls.(10 marks) 5 (b) Discuss on OAMP with respect to network management.(10 marks) 6 (a) Explain Inknetting and supernetting with an example.(10 marks) 6 (b) Explain the IPv4 header format and compare it with IPv6.(10 marks)

Write short notes on the following

7 (a) MAC sub-layers of 802.11(5 marks) 7 (b) Packet Filtering(5 marks) 7 (c) NAT(5 marks) 7 (d) DMZ(5 marks)