Computers and Technology, 20.07.2019 00:10 kalo1023

Given the ip address and subnet mask 192.168.10.0 and255.255.255.224
a) what is the maximum number of subnets in the network?
b) what is the number of hosts?
c) what are the valid subnets?
it is requested pls. give details how u have calculated?

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Answers

Answer from: lily3934

a) Maximum subnets=8

b) if there is no subnet , no. of hosts will be 32-2 = 30. If there are 8 subnets as above, then no. of hosts will b 4-2=2.

c) Valid subnets are 6

192.168.10.32

192.168.10.64

192.168.10.96

192.168.10.128

192.168.10.160

192.168.10.192

Explanation:

a) Maximum number of sub nets in the network

For number of sub nets in a network , which class this ip address belongs to

IP address 192.168.10.0

subnet mask 255.255.255.224

192 in ip address means it is a class C address.

In class C address -

Network address-24 bits

Host address-8bits

For number of subnets we check last block of subnet mask.

224 -covert this into binary

11100000

From binary form ,we can conclude that 3 bits are used for sub network as only 3 are 1.

=2^n

= 2^3 =8

b) Number of hosts

In a network,

Number of hosts is (2^host no -2)

We have subtracted 2 because out of these hosts two are used in broadcasting and other purposes.

Host number is equal to the 0's in the Subnet mask

255.255.255.224

convert this into binary number i.e

11111111.11111111.11111111.11100000

So,5 0's are there

Number of valid hosts= 2^5 -2

= 32-2

= 30

c) The Valid subnets are

For valid we have to perform Logical AND with IP Address and subnet mask.

IP address 192.168.10.0

subnet mask 255.255.255.224

Convert these in binary -

IP address 11000000.10101000.00001010.00000000

Subnet mask 11111111.11111111.11111111.11100000

after performing And operation- 11000000.10101000.00001010.00000000

192.168.10.0

this is the host address

192.168.10.224 this is the broadcast address

These are the valid sub nets

192.168.10.32

192.168.10.64

192.168.10.96

192.168.10.128

192.168.10.160

192.168.10.192

Answer from: Quest

Ithink it is a thermometer.

Answer from: Quest

the right answer is false

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Given the ip address and subnet mask 192.168.10.0 and255.255.255.224
a) what is the maximum nu...

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