• New Jersey Institute Of Technology

• IT 331

IT 420 Fall 2021 Homework 5 1. Answer the following questions concerning IPv4 subnetting: 1.1 A network uses 5 subnet id bits. How many possible subnets can be created? a. 5 b. 30 c. 32 d. Cannot be determined 1.2 8 subnets of equal size are created in a /20 network. What is the mask for each subnet? a. /17 b. /19 c. /22 d. /23 1.3 What is an advantage of variable length subnet masks? a. It creates subnets of the same size b. Each subnet uses several different masks c. It can be done automatically by a router d. Each subnet can be of a different size so that each subnet has just the right number of addresses