Princess Nora Bint Abdulrahman UniversityFaculty of Computer and Information SciencesDepartment of Networks and Telecommunications

NET431D-Advanced network servicessecond Semester 1437/1438 HAssignment 2

Q1: How do you correctly compress the following ipv6 address:

a. 2340:lABC:119A:A000:0000:0000:0000:0000

b. 0000:00AA:0000:0000:0000:0000: 119A:A231

c. 2340:0000:0000:0000:0000: 119A:A001:0000

d. 0000:0000:0000:2340:0000:0000:0000:0000

e. 2001:0db8:0000:0000:0000:0000:0000:0c50

Q2: Show the expand (unabbreviated) form of the following ipv6 addresses.a. 0::0b.0:AA::0c. 0:1234::3d. 123::1:2

Q3: What is the type of the following address? FE80::12?

Q4: Compare and contrast the fields in the main headers of IPv4 and IPv6. Make a tablethat shows the presence or absence of each field?

Q5: List three transition strategies to move from IPv4 to IPv6. Explain the differencebetween tunneling and dual stack strategies during the transition period. When iseach strategy used?

Q6: What are the two protocols defined by IPSec? Are both AH and ESP needed for IP security? Why or why not?

Q7: What is a VPN and why is it needed?

Q8: Draw a symmetric-key encryption/decryption between two devices to provide privacy?

Q9: Draw an asymmetric-key encryption/decryption between two devices to provide privacy?

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