What valid host range is the ip address 172.16.10.22 255.255.255.240 a part of?

4. If a host broadcasts a frame that includes a source and destination hardware address, and its purpose is to assign IP addresses to itself, which protocol at the Network layer does the host use?

5. If a router interface is congested, which protocol in the IP suite is used to tell neighbor routers?

6. What is the valid host range the IP address 172.16.10.22 255.255.255.240 is a part of?

1. 172.16.10.20 through 172.16.10.22
2. 172.16.10.1 through 172.16.10.255
3. 172.16.10.16 through 172.16.10.23
4. 172.16.10.17 through 172.16.10.31
5. 172.16.10.17 through 172.16.10.30
6. Ans- E

7. What range of addresses can be used in the first octet of a Class B network address?

1. 1–126
2. 1–127
3. 128–190
4. 128–191
5. 129–192
6. 192–220
7. Ans- D

8. What range of addresses can be used in the first octet of a Class C address?

1. 1–127
2. 129–192
3. 203–234
4. 192–223
5. Ans- D

9. How many bytes is an Ethernet address?

10. What protocol is used to find the hardware address of a local device?

11. Which of the following is the broadcast address for a Class B network ID using the default subnet mask?

1. 172.16.10.255
2. 172.16.255.255
3. 172.255.255.255
4. 255.255.255.255
5. Ans- B

12. Which class of IP address provides a maximum of only 254 host addresses per network ID?

13. What is the broadcast address of the subnet address 10.254.255.19 255.255.255.248?

1. 10.254.255.23
2. 10.254.255.24
3. 10.254.255.255
4. 10.255.255.255
5. Ans- A

14. What is the broadcast address of the subnet address 172.16.99.99 255.255.192.0?

1. 172.16.99.255
2. 172.16.127.255
3. 172.16.255.255
4. 172.16.64.127
5. Ans- A

15. If you wanted to have 12 subnets with a Class C network ID, which subnet mask would you use?

1. 255.255.255.252
2. 255.255.255.248
3. 255.255.255.240
4. 255.255.255.255
5. Ans- C

16. What is the port number range that a transmitting host can use to set up a session with another host?

1. 1–1023
2. 1024 and above
3. 1–256
4. 1–65534
5. Ans- B

17. Which of the following ranges are considered well-known port numbers?

1. 1–1023
2. 1024 and above
3. 1–256
4. 1–65534
5. Ans- A

18. What is the broadcast address of the host subnet address 10.10.10.10 255.255.254.0?

1. 10.10.10.255
2. 10.10.11.255
3. 10.10.255.255
4. 10.255.255.255
5. Ans- B

19. What broadcast address will the host 192.168.210.5 255.255.255.252 use?

1. 192.168.210.255
2. 192.168.210.254
3. 192.168.210.7
4. 192.168.210.15
5. Ans- C

20. If you need to have a Class B network address subnetted into exactly 510 subnets, what subnet mask would you assign?

Question:
What is the valid host range the IP address 172.16.10.22 255.255.255.240 is a part of?

Option A):
172.16.10.17 through 172.16.10.31
Option B):
172.16.10.1 through 172.16.10.255
Option C):
172.16.10.17 through 172.16.10.30
Option D):
172.16.10.20 through 172.16.10.22
Option E):
172.16.10.16 through 172.16.10.23

Correct Answer is Option C):
172.16.10.17 through 172.16.10.30

About IPv4 Subnet Calculator

Enter IP address and netmask (decimal separated by dots (e.g. 255.255.255.0), CIDR (e.g. 29) or a Cisco wildcard (e.g. 0.0.0.31) and the IPv4 subnet calculator will calculate the broadcast, network, Cisco wildcard mask, host range and quantity of hosts. Online and for free. The wildcard is the inverse netmask used for access control lists (ACL's) in Cisco routers.
This free online IPv4 subnet calculator also can be used as a teaching tool and presents the subnetting results as easy-to-understand binary values.
We can see two things: all host bits are zeroes in a network address, in a broadcast address they are all set. First bits determine the class of your network from A to E. A, B and C are commonly used. Each class has a range of valid IP addresses.
Address Range of Class A - 1.0.0.1 to 126.255.255.254 (supports 16 million hosts on each of 127 networks).
Class B - 128.1.0.1 to 191.255.255.254 (65,000 hosts on each of 16,000 networks).
Class C - 192.0.1.1 to 223.255.254.254 (254 hosts on each of 2 million networks).
Class D - 224.0.0.0 to 239.255.255.255 (address range reserved for multicast groups).
Class E - 240.0.0.0 to 254.255.255.254 (reserved for future use, research and development purposes).

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