Test your basic knowledge |

Cisco Certification IP Address

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is the IP address range for Class E?
255.255.255.0
The range of IP addresses available to be assigned to network hosts.Example: Class A 115.0.0.0=host range 115.0.0.1 to 115.255.255.254. Class B 154.90.0.0=host range 154.90.0.1 to 154.90.255.254. Class C 221.65.244.0=host range 221.65.244.1 to 221.65
Network address & Host address
240-255 (11110000--11111111 binary)

2. In addition to setting the Host address to All 1s - what other formats/short cuts might you see for hosts on this network?

3. What is the default subnet mask for a Class D IP Address?
Setting the Network address to all 0s designation means 'the broadcast address for this network.' (0.0.255.255 ) - 255.255.255.255 indicates a broadcast message intended for all hosts on this network
255.0.0.0
Private Use Class A
N/a

4. What is the IP address range for Class B?
Class A (00000001--01111110 binary)
Private Use Class A
128-191 (10000000--10111111 binary)
The Broadcast address for the associated network.

5. What is the default subnet mask for a Class E IP Address?
Private Use Class B
N/a
Class D (11100000--11101111 binary)
128-191 (10000000--10111111 binary)

6. What is the IP address range for Class D?
224-239 (11100000--11101111 binary)
The Host address on the local network?
The range of IP addresses available to be assigned to network hosts.Example: Class A 115.0.0.0=host range 115.0.0.1 to 115.255.255.254. Class B 154.90.0.0=host range 154.90.0.1 to 154.90.255.254. Class C 221.65.244.0=host range 221.65.244.1 to 221.65
255.255.0.0

7. What is the IP address range for Class A?
The range of IP addresses available to be assigned to network hosts.Example: Class A 115.0.0.0=host range 115.0.0.1 to 115.255.255.254. Class B 154.90.0.0=host range 154.90.0.1 to 154.90.255.254. Class C 221.65.244.0=host range 221.65.244.1 to 221.65
The Broadcast address for the associated network.
1-126 (00000001--01111110 binary)
N/a

8. What is the default subnet mask for a Class B IP Address?
Class A (00000001--01111110 binary)
255.255.0.0
Multicast groups
To send messages to all hosts on the network at the same time.

9. What is the default subnet mask for a Class A IP Address?
192-223 (11000000--11011111 binary)
Private Use Class B
255.0.0.0
N/a

10. If the first bit of the first octet is '0' what type of address is it?
Class A (00000001--01111110 binary)
Class C (11000000--11011111 binary)
Class D (11100000--11101111 binary)
Class E (11110000--11111111 binary)

11. What is the default subnet mask for a Class C IP Address?
255.255.255.0
N/a
Class B (10000000--10111111 binary)
N/a

12. How do routers generally handle Private use addresses?
Loopback
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
Network address & Host address
Class D (11100000--11101111 binary)

13. What is the IP address range for Class C?
N/a
192-223 (11000000--11011111 binary)
255.255.255.0
Private Use Class B

14. If the first bits of the first octet are '110' what type of address is it?
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
Network address & Host address
Class C (11000000--11011111 binary)
N/a

15. If the first bits of the first octet are '1111' what type of address is it?
128-191 (10000000--10111111 binary)
255.255.255.0
Loopback
Class E (11110000--11111111 binary)

16. What is 192.168.0.0 to 192.168.255.255 reserved for? reserved for?
Loopback
Private Use Class C
240-255 (11110000--11111111 binary)
Class A (00000001--01111110 binary)

17. What is 10.0.0.0 to 10.255.255.55 reserved for?
Used by routers to specify the 'default' route. Generic value reduces the number of routing table entries. Some older routers use this address as a broadcast address.
Class A (00000001--01111110 binary)
Private Use Class A
The Broadcast address for the associated network.

18. What are Class D addresses reserved for?
N/a
240-255 (11110000--11111111 binary)
Multicast groups
Private Use Class B

19. What do you get when you set the Network portion of the address to 0s?
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
The range of IP addresses available to be assigned to network hosts.Example: Class A 115.0.0.0=host range 115.0.0.1 to 115.255.255.254. Class B 154.90.0.0=host range 154.90.0.1 to 154.90.255.254. Class C 221.65.244.0=host range 221.65.244.1 to 221.65
224-239 (11100000--11101111 binary)
The Host address on the local network?

20. What do you get if you set the Host address to all one?
The Broadcast address for the associated network.
Multicast groups
Experimental Use
Setting the Network address to all 0s designation means 'the broadcast address for this network.' (0.0.255.255 ) - 255.255.255.255 indicates a broadcast message intended for all hosts on this network

21. What is 127.0.0.0 reserved for?
255.255.0.0
Loopback
192-223 (11000000--11011111 binary)
Setting the Network address to all 0s designation means 'the broadcast address for this network.' (0.0.255.255 ) - 255.255.255.255 indicates a broadcast message intended for all hosts on this network

22. What is 127.16.0.0 to 127.31.255.255 reserved for?
Private Use Class A
Private Use Class B
Multicast groups
255.255.0.0

23. What is an address of 0.0.0.0 used for?

24. If the first bits of the first octet are '10' what type of address is it?
Class B (10000000--10111111 binary)
Loopback
The last octet is 255. (Verify)
The range of IP addresses available to be assigned to network hosts.Example: Class A 115.0.0.0=host range 115.0.0.1 to 115.255.255.254. Class B 154.90.0.0=host range 154.90.0.1 to 154.90.255.254. Class C 221.65.244.0=host range 221.65.244.1 to 221.65

25. What does the subnet mask and/or the address class specify?
The network address is first followed by 0's. examples: Class A network address: 115.0.0.0 - Class B network address: 154.90.0.0 - Class C network address: 221.65.244.0
Class E (11110000--11111111 binary)
The range of IP addresses available to be assigned to network hosts.Example: Class A 115.0.0.0=host range 115.0.0.1 to 115.255.255.254. Class B 154.90.0.0=host range 154.90.0.1 to 154.90.255.254. Class C 221.65.244.0=host range 221.65.244.1 to 221.65
192-223 (11000000--11011111 binary)

26. What is the Broadcast address used for?
Private Use Class C
255.0.0.0
To send messages to all hosts on the network at the same time.
Class A (00000001--01111110 binary)

27. What is the characturistic of a network address?

28. What are the two parts of an IP address?
224-239 (11100000--11101111 binary)
Experimental Use
Network address & Host address
The Broadcast address for the associated network.

29. If the first bits of the first octet are '1110' what type of address is it?
Network address & Host address
1-126 (00000001--01111110 binary)
Class D (11100000--11101111 binary)
224-239 (11100000--11101111 binary)

30. What do you see in a Broadcast address regardless of format?
The last octet is 255. (Verify)
Class A (00000001--01111110 binary)
255.255.0.0
Experimental Use

31. What are Class E addresses reserved for?
128-191 (10000000--10111111 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
1-126 (00000001--01111110 binary)
Experimental Use