Computer Science - Networking - Discussion

Discussion Forum : Networking - Section 3 (Q.No. 8)
8.
You have a network ID of 134.57.0.0 and you need to divide it into multiple subnets in which at least 600 host IDs for each subnet are available. You desire to have the largest amount of subnets available. Which subnet mask should you assign?
255.255.224.0
255.255.240.0
255.255.248.0
255.255.255.0
255.255.255.255
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
13 comments Page 1 of 2.

Elias Ahmed said:   2 years ago
According to me, the correct answer will be 255.255.252.0.
(1)

Pakhi said:   4 years ago
But guys I have a doubt the method which you are using is for the given subnets not for the given hosts.

In question, there is 600 hosts, not 600 subnet.

Anyone, please clarify this.
(1)

Shubhangi kharche said:   7 years ago
Yes, the correct answer is 255.255.252.0 as minimum 10 bits are required in host ID part to have at least 600 hosts.

(2^10-2=1022, 2^9 -2 =512 (does not satisfy 600 hosts).

6 bits in network ID makes a mask of 252 in third octet of class B.

Iglooroy said:   8 years ago
The answer will be 255.255.252.0.

Yogesh Singh said:   8 years ago
255.255.252.0 is correct as 10 bits for required host.

Nikkey said:   8 years ago
The correct answer is option C.

GS Baloch said:   9 years ago
The correct answer is 255.255.252.0.

But it is not in the given options.

Yogesh said:   9 years ago
255.255.255.252 will be the answer.

10 bits would be in host part.
(1)

Chetan said:   9 years ago
The answer is wrong because at least 600 hosts mean we need more than 9 bits that are 10 bit. So the subnet should be 255.255.252.0 and less than 252. So if we go with the option than maximum subnet option will be C that is 248.

GURPREET SINGH said:   10 years ago
You have a network ID of 134.57.0.0 and you need to divide it into multiple subnets in which at least 600 host IDs for each subnet are available. You desire to have the largest amount of subnets available. Which subnet mask should you assign?

IP belongs to class B. So 255.255.0.0 mask and for that 16 bits.

Remaining bits are 16 out of 16, and now we want 600 host per subnet for that we required 10 bit for host.

So, mask becomes 1111 1111.1111 1111.1111 1100.0000 0000 for subnet 134.57.252.0. is a correct answer.
(1)


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