TDC 375-701
Worksheet 2
2009-09-16

* NOTE: assume all questions pertain only to IPv4 *

From TCP/IP Protocol Suite, 4th Edition, answer:
5.9, Questions 2, 3, 10, 22, 24, 35

Also answer the following questions:

Q. From the text section 5.9, answer question 11, but assume the
    netmasks are as follows for each:

   a. /16
   b. /24
   c. /28
   d. /30


Q. What is the directed broadcast address of each of the following:

   a. 140.192.12.254/25
   b. 192.168.12.88/23
   c. 10.0.5.0/28
   d. 169.254.57.8/16
   e. 208.76.3.12/18


Q. For each source and destination pair of addresses, determine
   whether they are on the same subnet or not (from the perspective
   of the source address).

   a. source: 192.0.2.1/24        destination: 192.0.2.248
   b. source: 140.192.0.6/25      destination: 140.192.127.6
   c. source: 129.105.68.5/23     destination: 129.105.69.5
   d. source: 127.0.0.1/8         destination: 127.255.255.255
   e. source: 10.58.6.9/28        destination: 10.58.6.72
   f. source: 172.16.58.153/12    destination: 172.19.3.198


Q. How many addresses can be assigned to hosts in a /28 network?


Q. Which of the following are impermissible source addresses on the
   public Internet?

   a. 140.192.255.255/16
   b. 127.64.59.1/8
   c. 192.0.2.5/24
   d. 255.255.255.255/32
   e. 238.77.128.1/24
   f. 0.1.2.3/8
   g. 10.1.2.3/8
   h. 169.254.76.5/24


Q. Describe what a netmask of '/0' or '/32' means.  Where might you
   see those?



$Id: worksheet2.txt,v 1.1 2009/09/16 15:39:13 jtk Exp $