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How many usable hosts are available? seenagapeMarch 16, 2014 You have been allocated a 192.168.100.0/22 network. How many usable hosts are available? A.510 B.512 C.1022 D.1024 Explanation: Show Answer
rachid says: February 14, 2015 at 8:26 am BitsMask Mask IPs Hosts DottedDecimalMask Classful /8 8 16,777,216 16,777,214 255.0.0.0 ClassANetwork /16 16 65,536 65,534 255.255.0.0 ClassBNetwork /17 17 32,768 32,766 255.255.128.0 /18 18 16,384 16,382 255.255.192.0 /19 19 8,192 8,190 255.255.224.0 /20 20 4,096 4,094 255.255.240.0 /21 21 2,048 2,046 255.255.248.0 /22 22 1,024 1,022 255.255.252.0 /23 23 512 510 255.255.254.0 /24 24 256 254 255.255.255.0 ClassCNetwork /25 25 128 126 255.255.255.128 /26 26 64 62 255.255.255.192 /27 27 32 30 255.255.255.224 /28 28 16 14 255.255.255.240 /29 29 8 6 255.255.255.248 /30 30 4 2 255.255.255.252 /31 31 0 255.255.255.254 /32 32 1 1 255.255.255.255 SingleHostAddress 0 0
rachid says: February 14, 2015 at 8:55 am 192.168.100.0/22 Network Address:192.168.100.0 Subnet Mask:’ 255.255.252.0 11111111.11111111.11111100.00000000 subnet:2^6=64 ” 6is the number od 1s on the third octet” Hosts:2^10 – 2 = 1022 “10 is the number 0s “ 0 0
BitsMask Mask IPs Hosts DottedDecimalMask Classful
/8 8 16,777,216 16,777,214 255.0.0.0 ClassANetwork
/16 16 65,536 65,534 255.255.0.0 ClassBNetwork
/17 17 32,768 32,766 255.255.128.0
/18 18 16,384 16,382 255.255.192.0
/19 19 8,192 8,190 255.255.224.0
/20 20 4,096 4,094 255.255.240.0
/21 21 2,048 2,046 255.255.248.0
/22 22 1,024 1,022 255.255.252.0
/23 23 512 510 255.255.254.0
/24 24 256 254 255.255.255.0 ClassCNetwork
/25 25 128 126 255.255.255.128
/26 26 64 62 255.255.255.192
/27 27 32 30 255.255.255.224
/28 28 16 14 255.255.255.240
/29 29 8 6 255.255.255.248
/30 30 4 2 255.255.255.252
/31 31 0 255.255.255.254
/32 32 1 1 255.255.255.255 SingleHostAddress
0
0
192.168.100.0/22
Network Address:192.168.100.0
Subnet Mask:’ 255.255.252.0
11111111.11111111.11111100.00000000
subnet:2^6=64 ” 6is the number od 1s on the third octet”
Hosts:2^10 – 2 = 1022 “10 is the number 0s “
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0