Posted by : Anonymous Friday, 25 January 2013



Question 1                                                                                                                                          [10 Marks]

Given the IP address 20.1.1.0/20 you are required to calculate the following,

1.      Number of bits for hosts and subnets
2.      Number subnets
3.      Number of Hosts per subnet
4.      Useable IP address range
5.      Wildcard Mask

Question 2                                                                                                                                          [5 Marks]

DoS attacks often send TCP SYN segments. Can an attacker also create a DoS attack by sending TCP data segments? Explain (not more than 5 lines)

Leave a Reply

Subscribe to Posts | Subscribe to Comments

- Copyright © virtual university of pakistan - Skyblue - Powered by Blogger - Designed by Johanes Djogan -