VLSM Quiz: Can You Subnet Variably?

1. Which routing protocol best supports VLSM?

RIPv1

IGRP

OSPF

EGP

Submit

4. Which organization standardized CIDR and VLSM concepts?

IEEE

IETF

ISO

ICANN

5. True or False: Classless routing protocols are required to support VLSM.

True

False

Submit

7. What is the network address of 192.168.5.130/25?

192.168.5.0

192.168.5.64

192.168.5.128

192.168.5.192

8. How many /28 subnets can be created from a single /24 network?

4 subnets

8 subnets

16 subnets

32 subnets

9. True or False: VLSM reduces IP address waste by allowing flexible subnet sizing.

True

False

Submit

11. What is the primary advantage of VLSM in network design?

Eliminates the need for routing protocols

Allows different subnet mask lengths within the same network

Increases packet transmission speed

Reduces the number of routers needed

12. The subnet 192.168.1.0/27 contains how many addresses in total?

16 addresses

32 addresses

64 addresses

128 addresses

13. A department needs 50 hosts. What is the minimum subnet mask required?

/25

/26

/27

/28

14. True or False: VLSM requires all subnets within a network to use the same subnet mask length.

True

False

15. What is the subnet mask for a /30 network?

255.255.255.192

255.255.255.224

255.255.255.240

255.255.255.252

Submit

17. Which of the following subnet masks is valid for VLSM implementation?

/24 and /25 in the same network

Only /24 subnets

Only Class B networks

Classful subnets only

Submit

19. How many usable hosts does a /29 subnet provide?

2 hosts

4 hosts

6 hosts

8 hosts

20. If you have a /24 network and need to create subnets with /26, /27, and /28 masks, which technology enables this?

CIDR

VLSM

Classful routing

Static routing

VLSM Quiz: Can You Subnet Variably?

1. Which routing protocol best supports VLSM?

2.

What first name or nickname would you like us to use?

2. In VLSM design, subnets should be allocated from largest to smallest to ____.

3. The prefix length /32 represents a ____ host address.

4. Which organization standardized CIDR and VLSM concepts?

5. True or False: Classless routing protocols are required to support VLSM.

6. A /31 subnet is typically used for ____.

7. What is the network address of 192.168.5.130/25?

8. How many /28 subnets can be created from a single /24 network?

9. True or False: VLSM reduces IP address waste by allowing flexible subnet sizing.

10. In the network 10.0.0.0/22, the broadcast address of the first /24 subnet is ____.

11. What is the primary advantage of VLSM in network design?

12. The subnet 192.168.1.0/27 contains how many addresses in total?

13. A department needs 50 hosts. What is the minimum subnet mask required?

14. True or False: VLSM requires all subnets within a network to use the same subnet mask length.

15. What is the subnet mask for a /30 network?

16. In VLSM, the first step when subnetting is to identify ____.

17. Which of the following subnet masks is valid for VLSM implementation?

18. A /25 subnet mask in dotted decimal notation is ____.

19. How many usable hosts does a /29 subnet provide?

20. If you have a /24 network and need to create subnets with /26, /27, and /28 masks, which technology enables this?