A network technician is configuring a new subnet on the distribution switch to support 15 network printers. Which of the following available subnets is the best choice to support all 15 printers on the LAN?
GUYS WEVE GOT 15 PRINTERS SO 10.1.15.0/27 IS THE CORRECT ANSWER COZ 2^5=32
32-2 FOR NETWORK ID AN BROADCAST ITS GONNA BE 30 HOST EVEN IF IT IS MORE THAN ENOUGH BUT THAT THE ANSWER /28 IT WILL GIVE YOU 16-2 = 14 WE NOW SHOT WITH 1 HOST SO A IS THE ANSWER FELLAS
To support 15 network printers, you need a subnet with enough host addresses. The number of available host addresses in each subnet is given by 2^(32 - subnet mask). Let's evaluate the options:
A. 10.1.15.0/27 - 2^(32-27) = 2^5 = 32 host addresses (more than needed)
B. 10.8.4.0/30 - 2^(32-30) = 2^2 = 4 host addresses (not enough)
C. 10.10.8.0/28 - 2^(32-28) = 2^4 = 16 host addresses (sufficient)
D. 10.15.1.0/29 - 2^(32-29) = 2^3 = 8 host addresses (not enough)
Therefore, option C (10.10.8.0/28) is the best choice as it provides enough host addresses to support the 15 network printers while minimizing address wastage.
In your formula it should be 2^(32 - subnet) - 2 (the subtract of 2 account for network and broadcast address). So Options would not have enough host to accommodate 15 hosts. Therefore options A is suitable for 15 hosts
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