Network Protocols and Communication
Practice Exercises & Quiz + correction
Exercise 1: (10 pts)
Tick the right answer(s) :
1. How many usable subnet addresses are available on the 192.168.1.0/27 network?
● 256
● 30
● 6
● 9
2. Which subnet mask should be used if an IPv4 network contains 64 machines requiring
IP addresses and want to avoid wasting address space?
● 255.255.255.224
● 255.255.255.240
● 255.255.255.128
● 255.255.255.192
3. Which of the following addresses are valid private addresses?
● 198.168.1.245
● 128.107.12.117