Inggris version

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WAN : Subnetting-Vlsm

  

Part 1

1.      Below are some practice problems. Take out a sheet of paper and calculate …

no	Ip Add	Bits borrowed	Second  subnet address	Broadcast address
0	192.168.15.0/26	2	192.168.15.64	192.168.15.63
1	220.75.32.0/30
2	200.39.79.0/29
3	132.59.0.0/19
4	19.0.0.0/16
5	129.50.0.0/20
6	100.100.0.0/17
7	29.0.0.0/18
8	210.100.100.0/27
9	168.100.56.0/28
10	10.0.0.0/21

2.      Given the subnet address, broadcast address, and valid host range each IP address …

a.       172.16.10.17/30

b.      192.168.100.66/27

c.       10.10.10.5/30

d.      200.100.100.0/26

e.       130.100.0.0/25

Part II

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

a.       172.16.10.20 through 172.16.10.22

b.      172.16.10.1 through 172.16.10.255

c.       172.16.10.16 through 172.16.10.23

d.      172.16.10.17 through 172.16.10.31

e.       172.16.10.17 through 172.16.10.30.

2.      What is broadcast address of the subnet  address 172.16.8.159  255.255.255.192?

a.       172.16.255.255

b.      172.16.8.127

c.       172.16.8.191.

d.      172.16.8.255

e.       172.16.8.158

3.      What is broadcast address of the subnet  address 192.168.10.33  255.255.255.248?

a.       192.168.10.40

b.      192.168.10.255

c.       192.168.255.255

d.      172.16.8.39.

e.       192.168.10.50

4.      If you wanted to have 12 subnets with a class C network ID, which subnetmask would you use?

a.       255.255.255.248

b.      255.255.255.192

c.       255.255.255.224

d.      255.255.255.252

e.       255.255.255.240.

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

a.       255.255.255.192

b.      255.255.255.128.

c.       255.255.255.0

d.      255.255.255.255

e.       255.255.255.240

Part III

Variable Length Subnet Mask (VLSM)

Given network 200.100.150.0/24

Design the addressing scheme for topology bellow

Network / Host	Network address	Subnet Mask	First usable address	Last usable address	Broadcast address