Subnetting and Supernetting
In a network with a subnet mask of 255.255.255.192, how many valid IP addresses are available in each subnet?
126
64
32
62
What is the purpose of subnetting in networking?
To improve network security
To connect different types of networks together
To increase the number of available IP addresses
To divide a large network into smaller, manageable subnetworks
Which subnet mask corresponds to a network with 6 subnet bits?
255.255.240.0
255.255.252.0
255.255.248.0
255.255.254.0
What is the subnet address of the IP address 192.168.10.67/28?
192.168.10.32
192.168.10.48
192.168.10.0
192.168.10.64
Which of the following subnet masks would allow for the most hosts per subnet?
255.255.255.248
255.255.255.252
255.255.255.254
255.255.255.240
Supernetting is also known as:
Classful addressing
ARP
Subnet aggregation
CIDR
What is the minimum number of bits required to create 8 subnets?
4
3
2
1
Which subnet mask is typically used for a Class B network if it is subnetted?
255.255.255.0
255.255.0.0
It depends on the number of subnets and hosts required
255.0.0.0
Given a network address of 172.16.0.0/23, how many subnets and hosts per subnet are possible?
512 subnets, 254 hosts
128 subnets, 510 hosts
512 subnets, 510 hosts
256 subnets, 254 hosts
What is the broadcast address of the subnet 192.168.1.32/27?
192.168.1.31
192.168.1.33
192.168.1.63
192.168.1.95
Which of the following IP addresses is not usable in a subnet with a /28 prefix length?
192.168.1.14
192.168.1.31
192.168.1.62
192.168.1.34
What is the CIDR notation for the subnet mask 255.255.255.248?
/27
/22
/29
/33
In a network with a subnet mask of 255.255.255.224, what is the maximum number of hosts per subnet?
16
62
14
30
Which type of IP addressing scheme allows for more efficient use of IP addresses and reduces routing table size?
Classful addressing
Classless Inter-Domain Routing (CIDR)
Dynamic Host Configuration Protocol (DHCP)
Address Resolution Protocol (ARP)
What is the network address of the IP address 192.168.5.150/26?
192.168.5.32
192.168.5.64
192.168.5.128
192.168.5.0
How many subnets and hosts per subnet are possible with the network address 10.10.0.0/17?
128 subnets, 510 hosts
512 subnets, 32,766 hosts
256 subnets, 510 hosts
256 subnets, 128 hosts
In a network with a subnet mask of 255.255.255.240, what is the broadcast address of the subnet 192.168.1.32/28?
192.168.1.31
192.168.1.15
192.168.1.63
192.168.1.47
What is the subnet mask of a network that requires 60 subnets and each subnet must support at least 14 hosts?
255.255.255.240
255.255.255.192
255.255.255.224
255.255.255.248
Which of the following statements about supernetting is true?
Supernetting reduces the number of available IP addresses
Supernetting is another term for subnetting
Supernetting allows multiple Class C addresses to be combined into a single, larger network
Supernetting only works with Class A networks
How many IP addresses are wasted in a network that has 8 subnets and uses a /28 subnet mask?
8
16
32
64
Which of the following subnet masks would allow for the most subnets?
255.255.255.240
255.255.255.252
255.255.255.254
255.255.255.248
What is the subnet address of the IP address 172.16.10.250/29?
172.16.10.240
172.16.10.0
172.16.10.248
172.16.10.128
Which subnet mask would you use to create 64 subnets for a Class B network?
255.255.255.224
255.255.255.128
255.255.255.0
255.255.255.192
What is the broadcast address of the subnet 192.168.1.16/29?
192.168.1.23
192.168.1.31
192.168.1.15
192.168.1.32
Which of the following is not a valid subnet mask?
255.255.192.0
255.255.224.0
255.255.255.252
255.255.240.0
How many hosts are available per subnet in a network with a subnet mask of 255.255.255.224?
6
30
14
62
What is the subnet address of the IP address 10.20.30.40/26?
10.20.30.128
10.20.30.64
10.20.30.32
10.20.30.0
Which subnet mask would you use to create 8 subnets for a Class C network?
255.255.255.0
255.255.255.224
255.255.255.248
255.255.255.240
What is the maximum number of hosts per subnet with a subnet mask of 255.255.255.224?
30
62
254
16
What is the CIDR notation for the subnet mask 255.255.255.192?
/26
/24
/28
/25
In a network with a subnet mask of 255.255.255.240, what is the broadcast address of the subnet 192.168.1.16/28?
192.168.1.31
192.168.1.15
192.168.1.23
192.168.1.19
Which subnet mask allows for the most hosts per subnet?
255.255.255.224
255.255.255.240
255.255.255.248
255.255.255.252
How many subnets are created when you subnet a Class B network with a /26 mask?
128
256
64
512
How many subnets are created when you subnet a Class B network with a /26 mask?
172.16.30.48
172.16.30.16
172.16.30.0
172.16.30.32
Which subnet mask would you use to create 16 subnets for a Class C network?
255.255.255.0
255.255.255.240
255.255.255.224
255.255.255.248
What is the broadcast address of the subnet 192.168.1.48/27?
192.168.1.31
192.168.1.47
192.168.1.63
192.168.1.32
Which of the following is a private IP address?
128.192.1.1
200.200.1.1
172.16.1.1
172.32.1.1
How many usable IP addresses are there in a subnet with a /29 mask?
8
6
4
2
What is the subnet address of the IP address 192.168.10.100/27?
192.168.10.32
192.168.10.0
192.168.10.96
192.168.10.64
Which of the following subnet masks would you use for a network that requires 60 subnets and each subnet must support at least 14 hosts?
255.255.255.240
255.255.255.192
255.255.255.224
255.255.255.248
What is the maximum number of subnets created with a /26 subnet mask?
256
64
32
128
Which of the following is a valid subnet mask?
255.255.255.255
255.255.255.257
255.255.255.248
255.255.255.254
What is the broadcast address of the subnet 10.0.0.0/28?
10.0.0.14
10.0.0.16
10.0.0.31
10.0.0.15
How many hosts are available per subnet with a /27 subnet mask?
30
14
62
16
What is the subnet address of the IP address 172.16.20.100/26?
172.16.20.32
172.16.20.64
172.16.20.0
172.16.20.96
Which subnet mask would you use to create 4 subnets for a Class B network?
255.255.255.0
255.255.252.0
255.255.255.224
255.255.255.240
What is the broadcast address of the subnet 192.168.1.64/26?
192.168.1.63
192.168.1.32
192.168.1.127
192.168.1.95
How many IP addresses are wasted in a network that has 6 subnets and uses a /29 subnet mask?
6
14
30
62
Which of the following is a valid supernet?
192.168.0.0/24
10.0.0.0/8
172.16.0.0/16
192.168.1.0/24
What is the subnet address of the IP address 10.30.40.50/27?
10.30.40.32
10.30.40.0
10.30.40.16
10.30.40.34
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