Designing a basic network for 3 buildings indicating how many routers, hubs etc are required for each floor as well as the system used to connect them.

Design a basic network suggesting how many routers and hubs etc for each floor. As well, determine what to use to connect i.e. Cat5 wire,etc. Building A: Main building 7 stories 1 Basement 6 Normal floors There are 350 people in the building 30 in basement 40 1st floor 60 2nd floor 60 3rd floor 70 4th floor 50 5th floor 40 6th floor 3rd floor contains Data Center Computers and phones 4 Servers (Main server room) There are 300 computers in this building (20 are public access terminals) There are 350 phones and 10 fax lines in the building Each floor has a communications closet Building B 4 stories 1 Basement 3 normal floors There are 300 people in thi... click for more

The differences between the internet, the world wide web, and an intranet.

What are the definitions and explanations of the internet, the world wide web and an intranet?

Tips on Applet Servlet Communication In Java.

Communicating with a servlet from an applet can be quite an ordeal if you dont know the nitty gritties. Here are some tips which should make it pretty straight forward.

Network security

I need detailed answers for these 2 questions. 1.Suppose we wish to use Kerberos for securing electronic mail. The obvious way of accomplishing this is for Alice, when sending a message to Bob, to obtain a ticket for Bob and include that in the email message, and to encrypt and/or integrity-protect the email message using the key in the ticket. The problem with this is that then the KDC would give Alice a quantity encrypted with Bob's password-derived master key, and then Alice could do off-line password guessing. How might Kerberos be extended to secure email without allowing off-line password guessing? (Hint: Issue human users an extra, unguessable master key for use with mail, and ex... click for more

Network Secuirty/design for clipper/Alice-Bob communcaition

Greatly appreacieted if someone can provide help on this problem.Not able to follow. 1.How to Propose an alternative design for Clipper, where each chip knows only a public key and the government holds the corresponding private key, and where each party sends the session key encrypted under the public key as part of its transmission. How might Bob verify that the LEAF in your design is correct?