Date: Fri, 02 Jul 2004 14:51:34 -0500 (CDT)
   From: Mark Jacobson <jacobson@math-cs.cns.uni.edu>
     To: 810-088-81@uni.edu
Subject: [810-088-81] Take home exam...

Hi Karla, Josh, Kasie and Flora,

     I have 3 of the four presentations published and linked
to from our class web page now.  I don't have Kasie's on firewalls there
yet, cause I forgot her diskette at home when I went into Wright Hall.

     The URL for our class is of course:

     http://www.cns.uni.edu/~jacobson/secure/

Take home test questions:

  1.  Suppose you are having a job interview, and the interviewer
      for the job looks over the transcript and sees you have
      taken a class on Network Security during the monsoon summer
      of 2004.   The interviewer asks you the following:

      How will the Network Security class you took benefit our
      organization and help you be a better employee and contribute
      something extra as we do business (or education or provide
      services or marketing or sales) in the 21st century?

      Hint:  The interviewer is looking for an extensive discussion
             that illustrates what you have learned, but also your
             creativity and passion and humor and ability to
             communicate some ideas that will help make the
             organization more effective because you are part of it.

   2.  What subnet mask should we assign for UNI if we want UNI
       to have about 1,500 different subnetworks that we can
       route to within the 134.161.y.z address domain?

       How many hosts can UNI have on EACH subnetwork?

       Draw a diagram and show the binary format of your
       subnet mask and circle bits and describe what it all means.

       Give the entire list of UNI possible subnetwork addresses
                ----------- that have 134.161.105.z as the
                                 first 3 octets.

       In other words, list ALL of the subnet addresses that
       have a 105 as the 3rd octet with the assumption that
       the UNI subnet mask allows the 1,500 subnets.

       Note:  There are only a FEW subnets that have the
              105 as the value of the 3rd octet!  :-)

----------------------------------------------------------------------

More take home questions will be coming your way soon, and be posted
on the web page today and more over the weekend.

Grades have to be turned in by Thursday at noon, so you can turn
in your take home test stapled and neatly written/drawn (with perhaps
some of it word processed, if you wish, but drawings and diagrams
are hard to do to illustrate some of your ideas if you do text editors
and email and word processors).  You can turn it in late Wednesday
afternoon, or by 9 a.m. Thursday morning even is okay.

My office is Wright 106.  For security purposes, slide the test
completely under my door.  It should be stapled and/or in a
manilla folder.  Why?

   1. The Janitor picks things up off the floor and places
      them in random places on my desk or chairs.

   2. If it is not COMPLETELY under my office door, anyone
      could grab it and pull it out, right.  Security awareness!

Mark