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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. If the first bits of the first octet are '1110' what type of address is it?
255.0.0.0
The Host address on the local network?
Class D (11100000--11101111 binary)
Class B (10000000--10111111 binary)

2. What are Class E addresses reserved for?
Experimental Use
Private Use Class A
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
N/a

3. What is the default subnet mask for a Class C IP Address?
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 C (11000000--11011111 binary)
255.255.255.0
240-255 (11110000--11111111 binary)

4. What are the two parts of an IP address?
Experimental Use
Loopback
The Broadcast address for the associated network.
Network address & Host address

5. What is the default subnet mask for a Class E IP Address?
Class C (11000000--11011111 binary)
To send messages to all hosts on the network at the same time.
N/a
The Host address on the local network?

6. What is the IP address range for Class C?
192-223 (11000000--11011111 binary)
Network address & Host 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
N/a

7. If the first bit of the first octet is '0' 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.
Class A (00000001--01111110 binary)
Private Use Class A
224-239 (11100000--11101111 binary)

8. What is the default subnet mask for a Class B IP Address?
The Broadcast address for the associated network.
Private Use Class B
Multicast groups
255.255.0.0

9. What do you get if you set the Host address to all one?
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
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.

10. What is the characturistic of a network address?

11. What is an address of 0.0.0.0 used for?

12. If the first bits of the first octet are '10' what type of address is it?
N/a
Class B (10000000--10111111 binary)
128-191 (10000000--10111111 binary)
255.255.255.0

13. What is the IP address range for Class B?
128-191 (10000000--10111111 binary)
255.255.0.0
Private Use Class B
Network address & Host address

14. If the first bits of the first octet are '110' what type of address is it?
Class C (11000000--11011111 binary)
224-239 (11100000--11101111 binary)
Class D (11100000--11101111 binary)
Private Use Class C

15. What is 127.0.0.0 reserved for?
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
255.255.0.0
Loopback

16. What are Class D addresses reserved for?
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
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.
Multicast groups

17. What do you see in a Broadcast address regardless of format?
N/a
Class B (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
The last octet is 255. (Verify)

18. If the first bits of the first octet are '1111' what type of address is it?
Class D (11100000--11101111 binary)
240-255 (11110000--11111111 binary)
Class E (11110000--11111111 binary)
128-191 (10000000--10111111 binary)

19. What is the IP address range for Class E?
240-255 (11110000--11111111 binary)
255.255.0.0
N/a
Experimental Use

20. What is the IP address range for Class D?
128-191 (10000000--10111111 binary)
224-239 (11100000--11101111 binary)
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.

21. How do routers generally handle Private use addresses?
Multicast groups
1-126 (00000001--01111110 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
Private Use Class C

22. What is the IP address range for Class A?
Class A (00000001--01111110 binary)
Class D (11100000--11101111 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
1-126 (00000001--01111110 binary)

23. What is 127.16.0.0 to 127.31.255.255 reserved for?
Class D (11100000--11101111 binary)
Private Use Class B
Experimental Use
Class E (11110000--11111111 binary)

24. What is the default subnet mask for a Class A IP Address?
Multicast groups
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.
255.0.0.0
224-239 (11100000--11101111 binary)

25. What does the subnet mask and/or the address class specify?
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.
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 A (00000001--01111110 binary)
Class B (10000000--10111111 binary)

26. What is the Broadcast address used 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.
1-126 (00000001--01111110 binary)
To send messages to all hosts on the network at the same time.
The last octet is 255. (Verify)

27. What do you get when you set the Network portion of the address to 0s?
Network address & Host address
The Host address on the local network?
The last octet is 255. (Verify)
Class E (11110000--11111111 binary)

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

29. What is the default subnet mask for a Class D IP Address?
To send messages to all hosts on the network at the same time.
The last octet is 255. (Verify)
N/a
Class E (11110000--11111111 binary)

30. What is 192.168.0.0 to 192.168.255.255 reserved for? reserved for?
The Broadcast address for the associated network.
Class E (11110000--11111111 binary)
Private Use Class C
240-255 (11110000--11111111 binary)

31. What is 10.0.0.0 to 10.255.255.55 reserved for?
255.255.0.0
N/a
Private Use Class A
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.