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Q: How many subnets and hosts per subnts can you get from 172.30.0.0?
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How many subnets and hosts per subnet can you get from the network 172.16.0.0?

There are 16 bits available; it is up to you how many of those bits you reserve for the subnet, and how many for the individual hosts within each subnet.


How many subnets of 300 hosts can be created on a network of IP address 172.16.1.0?

1


In a class A how many subnet bits are needed to make at least 365 useable hosts or subnets?

You would need at least 9 bits to borrow. Since 8 bits gives only 255 the additional bit will get you 256. Adding 256 + 128 gives you at least 384 subnets or hosts.


Given class C address with a default subnet mask How many possible subnets and usable hosts if 4 bits were borrowed?

that gives you 16 subnets with 14 usable IPs for hosts that is because one is for subnet and one for broadcas in that subnet for example: 192.168.1.0/28 - subnet number 192.168.1.15 -broadcast number usable IPs for hosts - IPs between them that is 14


How Given a Class C network 200.1.1.0 We want 5 subnets each with 30 hosts on it. How many bits to borrow How many bits to leave What is the subnet mask ( in dot notation and in CIDR notation)?

Given a Class C network: 200.1.1.0 We want 5 subnets, each with 30 hosts on it. How many bits to borrow ? How many bits to leave? What is the subnet mask? ( in dot notation and in CIDR notation)


How many /64 subnets are available in a /48 prefix?

There are 65,536 subnets available in an IPv6 /48 block.


If you have the following Network ID 131.112.0.0 You need at least 500 hosts per network How many networks can you create What subnet mask will you use?

If you need to divide it up into the maximum number of subnets containing at least 500 hosts each, you should use a /23 subnet mask. This will provide you with 128 networks of 510 hosts each. If you used a /24 mask, you would be limited to 254 hosts. Similarly, a /22 mask would be wasteful, allowing you 1022 hosts.


How many bits must be reallocated from host ID to network ID to createe 16 subnets?

you need to reallocate 4 bits to creat 16 subnets. how do I get that? easy! 2 to the power of 4 gives us 16 subnets.


How many subnets are on a broadcast address of 205.61.128.64?

At least one.


How many subnets are required to support three networks?

3


How many bits are borrowed from a class B host address to create 30 new subnets?

5 bits are necessary to create up to 30 subnets.


How many subnets are available in prefix?

It depends on how many bits you are using for the network prefix. The formula is 2n - 2 for the number of subnets available in a prefix, or 2n if you allow the use of the 0th subnet.