1. There is _____ Classes of IP address version 4.
a. 5
b. 5
c. 3
d. 2
2. What range of addresses can be used in the first octet of a Class C address?
a. 129-192
b. 192-223
c. 1-127
d. 204-223
3. Which of the following is the INCORRECT IP address?
a. 213.231.56.4
b. 176.9.59.4
c. 253.251.256.0
d. 188.40.139.40
4. The IP 123.213.321.1 belongs to what class?
a. Class A
b. Class B
c. class C
d. Class D
5. To which IP Class does 236.128.192.142 belong?
a. Class A
b. Class B
c. Class C
d. Class D
6. Which option shows the proper notation for an IPv6 address?
a. 2001,0db8,3c55,0015,abcd,ff13
b. 2001-0db8-3c55-0015-abcd-ff13
c. 2001.0db8.3c55.0015.abcd.ff13
d. 2001:0db8:3c55:0015:abcd:ff13
7. Which device should be used for enabling a host communicate with another host on a different network?
a. switch
b. hub
c. router
d. host​