A network technician is creating a new subnet for 488 host machines.
The technician is told to use a class B address scheme when making the subnet and is instructed to leave as much room as possible for additional subnets of the same size.
Which of the following subnets would fulfill these requirements?
A.
10.5.4.0/22 B.
10.233.2.0/23 C.
172.16.0.0/22 D.
172.18.0.0/23 E.
192.168.25.0/24
D.
A network technician is creating a new subnet for 488 host machines.
The technician is told to use a class B address scheme when making the subnet and is instructed to leave as much room as possible for additional subnets of the same size.
Which of the following subnets would fulfill these requirements?
A.
10.5.4.0/22
B.
10.233.2.0/23
C.
172.16.0.0/22
D.
172.18.0.0/23
E.
192.168.25.0/24
D.
In this scenario, the network technician needs to create a new subnet that can accommodate 488 host machines using a class B address scheme. A class B address scheme means that the first two octets of the IP address are used to identify the network portion, while the remaining two octets are used to identify hosts.
To determine the best subnet for this scenario, we need to consider the number of host machines required, as well as the amount of space required for additional subnets.
First, let's determine the number of host machines that can be accommodated in each subnet based on the given subnet masks:
A. 10.5.4.0/22 - This subnet allows for 1022 host addresses (2^10 - 2), which is more than enough to accommodate 488 host machines.
B. 10.233.2.0/23 - This subnet allows for 510 host addresses (2^9 - 2), which is also more than enough to accommodate 488 host machines.
C. 172.16.0.0/22 - This subnet allows for 1022 host addresses (2^10 - 2), which is more than enough to accommodate 488 host machines.
D. 172.18.0.0/23 - This subnet allows for 510 host addresses (2^9 - 2), which is more than enough to accommodate 488 host machines.
E. 192.168.25.0/24 - This subnet allows for 254 host addresses (2^8 - 2), which is not enough to accommodate 488 host machines.
Now let's consider the amount of space required for additional subnets of the same size. The subnet mask determines the number of bits used to identify the network portion of the IP address. The remaining bits are used to identify hosts. In this case, we need to leave as much room as possible for additional subnets of the same size.
A. 10.5.4.0/22 - This subnet uses a 22-bit subnet mask, leaving 10 bits for host addresses. This allows for 1024 subnets (2^10).
B. 10.233.2.0/23 - This subnet uses a 23-bit subnet mask, leaving 9 bits for host addresses. This allows for 512 subnets (2^9).
C. 172.16.0.0/22 - This subnet uses a 22-bit subnet mask, leaving 10 bits for host addresses. This allows for 1024 subnets (2^10).
D. 172.18.0.0/23 - This subnet uses a 23-bit subnet mask, leaving 9 bits for host addresses. This allows for 512 subnets (2^9).
E. 192.168.25.0/24 - This subnet uses a 24-bit subnet mask, leaving 8 bits for host addresses. This allows for only one subnet.
Based on these considerations, option D. 172.18.0.0/23 is the best subnet for this scenario. It provides more than enough space for 488 host machines and allows for 512 subnets of the same size, leaving plenty of room for future growth.