VLSM-Quiz

What is the maximum subnets you would get following address 172.16.0.0/19

What are the subnet ID’s/Address you would obtain from the following 172.16.0.0/19

Give the network 172.16.0.0/19 find the subnet mask, subnets and IP address range for each network
Network	# of Hosts	CIDR	Dotted Decimal	Network Address	IP Address Range
Network A	20 hosts
Network B	14 hosts
Network C	6 hosts
Network D	2 hosts

Network A: CIDR=/27; Dotted Decimal=255.255.255.224; Network Address=172.16.0.0/27; IP Address Range=172.16.0.1 to 172.16.0.30
Network A: CIDR=/28; Dotted Decimal=255.255.255.240; Network Address=172.16.0.32/28; IP Address Range=172.16.0.33 to 172.16.0.46
Network A: CIDR=/29; Dotted Decimal=255.255.255.248; Network Address=172.16.0.48/29; IP Address Range=172.16.0.49 to 172.16.0.54
Network A: CIDR=/30; Dotted Decimal=255.255.255.252; Network Address=172.16.0.56/30; IP Address Range=172.16.0.57 to 172.16.0.58

ive the network 172.16.0.0/19 find the subnet mask, subnets and IP address range for each network
Network	# of Hosts	CIDR	Dotted Decimal	Network Address	IP Address Range
Network A	20 hosts
Network B	14 hosts
Network C	6 hosts
Network D	2 hosts

Network B: CIDR=/27; Dotted Decimal=255.255.255.224; Network Address=172.16.0.0/27; IP Address Range=172.16.0.1 to 172.16.0.30
Network B: CIDR=/28; Dotted Decimal=255.255.255.240; Network Address=172.16.0.32/28; IP Address Range=172.16.0.33 to 172.16.0.46
Network B: CIDR=/29; Dotted Decimal=255.255.255.248; Network Address=172.16.0.48/29; IP Address Range=172.16.0.49 to 172.16.0.54
Network B: CIDR=/30; Dotted Decimal=255.255.255.252; Network Address=172.16.0.56/30; IP Address Range=172.16.0.57 to 172.16.0.58

ive the network 172.16.0.0/19 find the subnet mask, subnets and IP address range for each network
Network	# of Hosts	CIDR	Dotted Decimal	Network Address	IP Address Range
Network A	20 hosts
Network B	14 hosts
Network C	6 hosts
Network D	2 hosts

Network D: CIDR=/27; Dotted Decimal=255.255.255.224; Network Address=172.16.0.0/27; IP Address Range=172.16.0.1 to 172.16.0.30
Network D: CIDR=/28; Dotted Decimal=255.255.255.240; Network Address=172.16.0.32/28; IP Address Range=172.16.0.33 to 172.16.0.46
Network D: CIDR=/29; Dotted Decimal=255.255.255.248; Network Address=172.16.0.48/29; IP Address Range=172.16.0.49 to 172.16.0.54
Network D: CIDR=/30; Dotted Decimal=255.255.255.252; Network Address=172.16.0.56/30; IP Address Range=172.16.0.57 to 172.16.0.58

ive the network 172.16.0.0/19 find the subnet mask, subnets and IP address range for each network
Network	# of Hosts	CIDR	Dotted Decimal	Network Address	IP Address Range
Network A	20 hosts
Network B	14 hosts
Network C	6 hosts
Network D	2 hosts

Network C: CIDR=/27; Dotted Decimal=255.255.255.224; Network Address=172.16.0.0/27; IP Address Range=172.16.0.1 to 172.16.0.30
Network C: CIDR=/28; Dotted Decimal=255.255.255.240; Network Address=172.16.0.32/28; IP Address Range=172.16.0.33 to 172.16.0.46
Network C: CIDR=/29; Dotted Decimal=255.255.255.248; Network Address=172.16.0.48/29; IP Address Range=172.16.0.49 to 172.16.0.54
Network C: CIDR=/30; Dotted Decimal=255.255.255.252; Network Address=172.16.0.56/30; IP Address Range=172.16.0.57 to 172.16.0.58

Which subnet mask will place all hosts on Network B in the same subnet with the least amount of wasted addresses?

Network B=65 hosts

Network C= 300 hosts

What addressing scheme would you use if:

VLAN 1: 80 hosts; One host has the IP address 150.10.1.125

VLAN 10: 110 hosts; One host has the IP address 150.10.1.130