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READ Free Dumps For CISCO- 100-105





Question ID 14512

Which two statements describe the IP address 10.16.3.65/23? (Choose two.)

Option A

 The subnet address is 10.16.3.0 255.255.254.0.

Option B

The lowest host address in the subnet is 10.16.2.1 255.255.254.0.

Option C

The last valid host address in the subnet is 10.16.2.254 255.255.254.0

Option D

The broadcast address of the subnet is 10.16.3.255 255.255.254.0.

Option E

The network is not subnetted.

Correct Answer B,D
Explanation Explanation: The mask 255.255.254.0 (/23) used with a Class A address means that there are 15 subnet bits and 9 host bits. The block size in the third octet is 2 (256 - 254). So this makes the subnets in 0, 2, 4, 6, etc., all the way to 254. The host 10.16.3.65 is in the 2.0 subnet. The next subnet is 4.0, so the broadcast address for the 2.0 subnet is 3.255. The valid host addresses are 2.1 through 3.254


Question ID 14513

Given a Class C IP address subnetted with a /30 subnet mask, how many valid host IP
addresses are available on each of the subnets?

Option A

1

Option B

2

Option C

4

Option D

8

Option E

252

Option F

254

Correct Answer B
Explanation Explanation: /30 CIDR corresponds to mask 55.255.255.252 whose binary is 11111100 which means 6 subnet bits and 2 host bits which means 62 subnets and 2 hosts per subnet.

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