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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 is the default subnet mask for a Class D IP Address?
Class A (00000001--01111110 binary)
The Host address on the local network?
N/a
224-239 (11100000--11101111 binary)

2. How do routers generally handle Private use addresses?
The Host address on the local network?
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
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

3. What is the default subnet mask for a Class C IP Address?
Loopback
Class E (11110000--11111111 binary)
255.255.255.0
To send messages to all hosts on the network at the same time.

4. What is 192.168.0.0 to 192.168.255.255 reserved for? reserved for?
Class C (11000000--11011111 binary)
Class B (10000000--10111111 binary)
Private Use Class C
Private Use Class A

5. What is the Broadcast address used for?
To send messages to all hosts on the network at the same time.
Experimental Use
Private Use Class A
Class D (11100000--11101111 binary)

6. If the first bits of the first octet are '1111' what type of address is it?
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 E (11110000--11111111 binary)
192-223 (11000000--11011111 binary)
Class A (00000001--01111110 binary)

7. What is 127.0.0.0 reserved for?
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)
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
Loopback

8. If the first bit of the first octet is '0' what type of address is it?
Multicast groups
Class A (00000001--01111110 binary)
Class C (11000000--11011111 binary)
Private Use Class C

9. What is the IP address range for Class C?
Private Use Class C
Class E (11110000--11111111 binary)
192-223 (11000000--11011111 binary)
N/a

10. What are Class E addresses reserved for?
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
Experimental Use
240-255 (11110000--11111111 binary)
The Broadcast address for the associated network.

11. What does the subnet mask and/or the address class specify?
N/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
240-255 (11110000--11111111 binary)
Experimental Use

12. If the first bits of the first octet are '10' what type of address is it?
224-239 (11100000--11101111 binary)
N/a
Class E (11110000--11111111 binary)
Class B (10000000--10111111 binary)

13. What do you see in a Broadcast address regardless of format?
The last octet is 255. (Verify)
192-223 (11000000--11011111 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
Private Use Class A

14. What do you get if you set the Host address to all one?
Network address & Host address
Class D (11100000--11101111 binary)
Class C (11000000--11011111 binary)
The Broadcast address for the associated network.

15. What is the characturistic of a network address?

16. What is the default subnet mask for a Class A IP Address?
Class D (11100000--11101111 binary)
Experimental Use
Class A (00000001--01111110 binary)
255.0.0.0

17. What is 127.16.0.0 to 127.31.255.255 reserved for?
255.255.255.0
Private Use Class B
192-223 (11000000--11011111 binary)
Class E (11110000--11111111 binary)

18. What is the IP address range for Class D?
224-239 (11100000--11101111 binary)
192-223 (11000000--11011111 binary)
128-191 (10000000--10111111 binary)
The last octet is 255. (Verify)

19. What is the default subnet mask for a Class E IP Address?
The Broadcast address for the associated network.
Class E (11110000--11111111 binary)
N/a
Private Use Class A

20. What are Class D addresses reserved for?
Multicast groups
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)
N/a

21. What is the IP address range for Class B?
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.
255.255.255.0
255.0.0.0
128-191 (10000000--10111111 binary)

22. If the first bits of the first octet are '1110' what type of address is it?
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
The Host address on the local network?
Class D (11100000--11101111 binary)

23. What are the two parts of an IP address?
Loopback
Private Use Class C
N/a
Network address & Host address

24. What do you get when you set the Network portion of the address to 0s?
Class D (11100000--11101111 binary)
1-126 (00000001--01111110 binary)
Private Use Class A
The Host address on the local network?

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

26. What is 10.0.0.0 to 10.255.255.55 reserved for?
Class E (11110000--11111111 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
Private Use Class A
N/a

27. What is the IP address range for Class A?
255.255.0.0
Private Use Class C
1-126 (00000001--01111110 binary)
Experimental Use

28. What is the default subnet mask for a Class B IP Address?
255.255.0.0
Class B (10000000--10111111 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
The Broadcast address for the associated network.

29. What is an address of 0.0.0.0 used for?

30. If the first bits of the first octet are '110' what type of address is it?
N/a
Class B (10000000--10111111 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
Class C (11000000--11011111 binary)

31. What is the IP address range for Class E?
240-255 (11110000--11111111 binary)
128-191 (10000000--10111111 binary)
224-239 (11100000--11101111 binary)
Network address & Host address