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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.
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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 are the two parts of an IP address?
240-255 (11110000--11111111 binary)
Network address & Host address
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

2. What is the default subnet mask for a Class B IP Address?
Private Use Class C
224-239 (11100000--11101111 binary)
255.0.0.0
255.255.0.0

3. What is the Broadcast address used for?
Class C (11000000--11011111 binary)
1-126 (00000001--01111110 binary)
192-223 (11000000--11011111 binary)
To send messages to all hosts on the network at the same time.

4. What do you get if you set the Host address to all one?
The Broadcast address for the associated network.
Loopback
The Host address on the local network?
N/a

5. What is the default subnet mask for a Class D IP Address?
Class A (00000001--01111110 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
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

6. What is 10.0.0.0 to 10.255.255.55 reserved for?
192-223 (11000000--11011111 binary)
Private Use Class A
Multicast groups
The last octet is 255. (Verify)

7. What is the default subnet mask for a Class E IP Address?
N/a
To send messages to all hosts on the network at the same time.
The Host address on the local network?
The last octet is 255. (Verify)

8. If the first bits of the first octet are '110' what type of address is it?
The Host address on the local network?
The last octet is 255. (Verify)
128-191 (10000000--10111111 binary)
Class C (11000000--11011111 binary)

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

10. What do you get when you set the Network portion of the address to 0s?
Private Use Class C
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 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

11. What are Class D addresses reserved for?
Multicast groups
128-191 (10000000--10111111 binary)
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.

12. What is the IP address range for Class B?
To send messages to all hosts on the network at the same time.
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)
128-191 (10000000--10111111 binary)

13. What is 127.16.0.0 to 127.31.255.255 reserved for?
192-223 (11000000--11011111 binary)
Private Use Class B
N/a
The Host address on the local network?

14. What is 127.0.0.0 reserved for?
Class A (00000001--01111110 binary)
128-191 (10000000--10111111 binary)
Loopback
224-239 (11100000--11101111 binary)

15. What is the IP address range for Class E?
To send messages to all hosts on the network at the same time.
The Broadcast address for the associated network.
Private Use Class B
240-255 (11110000--11111111 binary)

16. What is the default subnet mask for a Class C IP Address?
255.255.255.0
255.0.0.0
N/a
Private Use Class C

17. What are Class E addresses reserved for?
Experimental Use
Network address & Host address
224-239 (11100000--11101111 binary)
255.255.0.0

18. If the first bits of the first octet are '1110' what type of address is it?
192-223 (11000000--11011111 binary)
Class A (00000001--01111110 binary)
Class D (11100000--11101111 binary)
255.255.255.0

19. What is an address of 0.0.0.0 used for?

20. If the first bits of the first octet are '10' what type of address is it?
255.0.0.0
Private Use Class B
Private Use Class C
Class B (10000000--10111111 binary)

21. What does the subnet mask and/or the address class specify?
128-191 (10000000--10111111 binary)
Loopback
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

22. If the first bit of the first octet is '0' 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
N/a
Class A (00000001--01111110 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

23. What do you see in a Broadcast address regardless of format?
The last octet is 255. (Verify)
128-191 (10000000--10111111 binary)
Class B (10000000--10111111 binary)
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.

24. How do routers generally handle Private use addresses?
1-126 (00000001--01111110 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
255.255.255.0
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.

25. What is the default subnet mask for a Class A IP Address?
255.0.0.0
224-239 (11100000--11101111 binary)
Class B (10000000--10111111 binary)
Class A (00000001--01111110 binary)

26. What is 192.168.0.0 to 192.168.255.255 reserved for? reserved for?
To send messages to all hosts on the network at the same time.
Class C (11000000--11011111 binary)
The last octet is 255. (Verify)
Private Use Class C

27. What is the IP address range for Class D?
Class A (00000001--01111110 binary)
192-223 (11000000--11011111 binary)
Loopback
224-239 (11100000--11101111 binary)

28. What is the IP address range for Class C?
Routers connected to the Internet typically filter messages within these ranges and prevent them from being propagated to the Internet.
192-223 (11000000--11011111 binary)
1-126 (00000001--01111110 binary)
Private Use Class B

29. What is the IP address range for Class A?
128-191 (10000000--10111111 binary)
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
1-126 (00000001--01111110 binary)

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

31. What is the characturistic of a network address?