This is a test homework, it aims to test your ability to solve HomeWorks professionally, the minimum requirements are must.

• No copy pastes (more than 35%) from the Internet or any other source of information is acceptable, you must modify and rephrase the information in your own words.
• You are obliged to write the full reference of your work.
• Wikipedia, encyclopedia, forums, newsgroups are not accepted as a scientific reference.
• Go to research articles, books, big companies, recognized organizations . etc. to reference your work.
• YouTube, or Interviews are not accepted.
• Your work should be uploaded as pdf or word document formats only.
• It is not allowed to submit your homework as an images format.
• Do not share your answers with other students.

The Homework

1. Suppose we have 4 routers between source and destination host, and suppose there are no fragmenation during the whole path. An IP datagram has been sent from the source to the destination. Answer the following questions:
   1. How many interfaces the packet cross?

2. How many forwarding tables will be indexed to get the packet devolvered to the final destinantion.

3. Breifle show, how the CSMA/CD differse from the CSMA/CA?

4. AN IP subnet is specified by 115.1.1.0/24. Answer the following questions:
   3. What is the subnet address?
   4. What is the maximum number of nodes that can be assigned to this subnet?
   5. What is the wildcard Mask?
   6. What is the broadcast address?
   7. What is the network address?
   8. What is the range of available IP addresses

Expanded networks