B.Sc. (Computer Science) Sem 6 Advanced Networking and Security May 2019 ATKT Question Paper - Mumbai University | munotes

Questions asked in this paper

• (2) Figures to the right indicate marks

1. Q1 Attempt the following (any THREE): 15 marks
   • (A) Differentiate between classful and classless addresses
   • (B) Discuss IPv4 protocol packet format
   • (C) note on BGP
   • (D) routing table? how it is used in forwarding a packet to
   • (E) HowRIP works? Explain with an example
   • (F) we need IPv6? Discuss advantages of the same
2. Q2 Attempt the following (any THREE): 15 marks
   • (A) How Process to process delivery happens in an untrusted network
   • (B) UDP, TCP is reliable protocol? Justify your answer
   • (C) note on the following
   • 1. Congestion Control
   • 2. Quality of Service
   • (D) DNS? Explain with neat labeled diagram
   • (E) How HTTP works? Explain with an example
   • (F) Discuss importance of FTP in WWW
3. Q3 Attempt the following (any THREE): 15 marks
   • (A) Discuss different types of security attacks
   • (B) we provide security to our network? Discuss in detail
   • (C) List and explain different types of Malicious software
   • (D) How denial of service attack occurs? Explain with an example
   • (E) Define the term Hacking. What is ethical Hacking?
   • (F) short note on Worm and explain its advantage and
4. Q4 Attempt the following (any THREE): 15 marks
   • (A) Modern Symmetric-Key Cipher in detail with an example
   • (B) State and explain DES algorithm in detail
   • (C) in brief Digital Signature
   • (D) How Asymmetric key cryptography works during encryption and
   • (E) Explain with an example additive cipher and multiplicative cipher
   • (F) Pretty Good Privacy (PGP) Protocol works with e-mail to provide privacy, integrity and authentication
5. Q5 Attempt the following (any THREE): 15 marks
   • (A) How Address Resolution protocols works?
   • (B) Find the error, if any, in the following IPv4 addresses and give a reason for the error
   • (C) Discuss the remote logging facility of Telnet
   • (D) Write a short note on demilitarized zone (DMZ) network
   • (E) Define intruder. List and discuss different classes of intruders
   • (F) Write a short note on IPSec

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