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Cisco Certification IP Address

Instructions:

Answer 31 questions in 15 minutes.
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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 do you get if you set the Host address to all one?
The Broadcast address for the associated network.
255.0.0.0
Class C (11000000--11011111 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

2. What is the default subnet mask for a Class E IP Address?
N/a
The Broadcast address for the associated network.
To send messages to all hosts on the network at the same time.
Private Use Class C

3. What is the Broadcast address used for?
Experimental Use
The Host address on the local network?
N/a
To send messages to all hosts on the network at the same time.

4. What are the two parts of an IP address?
Network address & Host address
Class C (11000000--11011111 binary)
Class D (11100000--11101111 binary)
Loopback

5. What is 10.0.0.0 to 10.255.255.55 reserved for?
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
128-191 (10000000--10111111 binary)
1-126 (00000001--01111110 binary)
Private Use Class A

6. What are Class E addresses reserved for?
255.0.0.0
Class C (11000000--11011111 binary)
Experimental Use
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

7. What is the IP address range for Class B?
Class C (11000000--11011111 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
128-191 (10000000--10111111 binary)
Class E (11110000--11111111 binary)

8. What is the default subnet mask for a Class A IP Address?
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
255.0.0.0
Class A (00000001--01111110 binary)
Private Use Class A

9. What is the IP address range for Class D?
224-239 (11100000--11101111 binary)
255.0.0.0
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
To send messages to all hosts on the network at the same time.

10. What is the default subnet mask for a Class B IP Address?
255.255.255.0
224-239 (11100000--11101111 binary)
255.255.0.0
Class C (11000000--11011111 binary)

11. If the first bits of the first octet are '1111' what type of address is it?
Class E (11110000--11111111 binary)
Class C (11000000--11011111 binary)
255.255.0.0
128-191 (10000000--10111111 binary)

12. What do you see in a Broadcast address regardless of format?
N/a
The last octet is 255. (Verify)
224-239 (11100000--11101111 binary)
Network address & Host address

13. What is 192.168.0.0 to 192.168.255.255 reserved for? reserved for?
Class D (11100000--11101111 binary)
255.255.0.0
N/a
Private Use Class C

14. What is the IP address range for Class A?
To send messages to all hosts on the network at the same time.
The last octet is 255. (Verify)
Multicast groups
1-126 (00000001--01111110 binary)

15. If the first bits of the first octet are '1110' what type of address is it?
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
Private Use Class C
Class D (11100000--11101111 binary)
N/a

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

17. What is the characturistic of a network address?

18. What are Class D addresses reserved for?
192-223 (11000000--11011111 binary)
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
Multicast groups
To send messages to all hosts on the network at the same time.

19. What does the subnet mask and/or the address class specify?
255.0.0.0
Class C (11000000--11011111 binary)
Private Use 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

20. If the first bits of the first octet are '110' what type of address is it?
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
Class C (11000000--11011111 binary)
Class A (00000001--01111110 binary)
255.255.0.0

21. What is the default subnet mask for a Class C IP Address?
Class D (11100000--11101111 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
Network address & Host address
255.255.255.0

22. If the first bit of the first octet is '0' what type of address is it?
Class A (00000001--01111110 binary)
Class B (10000000--10111111 binary)
The last octet is 255. (Verify)
255.0.0.0

23. What is an address of 0.0.0.0 used for?

24. What is 127.0.0.0 reserved for?
128-191 (10000000--10111111 binary)
Class C (11000000--11011111 binary)
Loopback
Private Use Class C

25. What do you get when you set the Network portion of the address to 0s?
To send messages to all hosts on the network at the same time.
128-191 (10000000--10111111 binary)
Multicast groups
The Host address on the local network?

26. What is the default subnet mask for a Class D IP Address?
Experimental Use
255.255.0.0
224-239 (11100000--11101111 binary)
N/a

27. How do routers generally handle Private use addresses?
Loopback
255.255.0.0
240-255 (11110000--11111111 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.

28. What is the IP address range for Class C?
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
255.0.0.0
192-223 (11000000--11011111 binary)
To send messages to all hosts on the network at the same time.

29. What is the IP address range for Class E?
Loopback
The Broadcast address for the associated network.
255.255.0.0
240-255 (11110000--11111111 binary)

30. What is 127.16.0.0 to 127.31.255.255 reserved for?
255.255.0.0
To send messages to all hosts on the network at the same time.
128-191 (10000000--10111111 binary)
Private Use Class B

31. If the first bits of the first octet are '10' what type of address is it?
Class B (10000000--10111111 binary)
Loopback
1-126 (00000001--01111110 binary)
255.255.255.0