Advanced Networking Technologies - May 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 the strategies for transition from IPv4 to Ipv6.(5 marks) 1 (b) Compare ubiquitous and hierarchical access in Access Network Design.(5 marks) 1 (c) Compare. IPv4 and IPv6(5 marks) 1 (d) Explain frame format of Frame relay(5 marks) 2 (a) Explain ATM cell format in detail and compare Frame delay and ATM.(10 marks) 2 (b) What a neat flowchart, explain how CSMA/CA is implemented in WLAN why CSMA/CD cannot be implemented in WLAN(10 marks) 3 (a) Explain the importance of DCF, PCF, NAV vector with respect to IEEE 802.11 bringing out the importance of the protocol(10 marks) 3 (b) What are the hardware components of DWDM? Explain the technology with a neat diagram(10 marks) 4 (a) Explain the packet filtering and layer-7 filtering and bring out the advantages and disadvantages by comparing them.(10 marks) 4 (b) Explain the functional layers of SONET and elaborate on the hardware components 'used in the technology.(10 marks) 5 (a) What is a firewall? What are the capabilities and limitations of firewall? Explain different types of firewalls with their advantages and pitfalls.(10 marks) 5 (b) Explain the AAL5 layer and bring out the advantages of this layer with respect to other layers(10 marks) 6 (a) Explain fragmentation with respect to Ipv4 and elaborate with an example(10 marks) 6 (b) With a neat sketch, elaborate the function of OSI layer and compare it with TCP/IP layers.(10 marks) 7 (a) Explain different security threats, mentioning the need for network security(5 marks) 7 (b) Write short notes on RMON.(5 marks) 7 (c) Explain the functions of routers, bridges and switches in networking(5 marks) 7 (d) Explain ATM logical connections.(5 marks)