Tutorial 8.1 Subnetting Class A B C .docx - Tutorial 8.1:...

Tutorial 8.1: Subnetting IP Networks (Class A, B, C) – SAMPLE STUDENT SOLUTIONS
Q1. The network of Dimension International School is subnetted based on an IPv4 address of
192.168.3.0/24. The School consists of 20 classroom and 5 offices. Each classroom and office
requires a subnet to support the teaching and administrative works. Answer the following
questions.
(i) How many subnets are needed?
(201705 TAR UC, resit)
(1 mark)
(ii) How many bits must be borrowed to support the required number of subnets? (iii) How many usable host addresses per subnet?
(201705 TAR UC, resit)
(2 marks)
(iv) Compute the decimal value of the new subnet mask.
(201705 TAR UC, resit)
(2 marks)