Subnetting Questions Answers

1. Default network mask for CLASS A is
1. 255.0.0.0
2. 255.255.0.0
3. 255.255.255.0
4. 255.255.255.255
Answer And Explanation

Answer: Option A
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2. Default network mask for CLASS B is
1. 255.0.0.0
2. 255.255.0.0
3. 255.255.255.0
4. 255.255.255.255
Answer And Explanation

Answer: Option B
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3. Default network mask for CLASS C is
1. 255.0.0.0
2. 255.255.0.0
3. 255.255.255.0
4. 255.255.255.255
Answer And Explanation

Answer: Option C
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4. What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask
1. 14
2. 15
3. 30
4. 62
Answer And Explanation

Answer: Option C
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5. To test the IP stack on your local host, which IP address will you ping
1. 127.0.0.0
2. 1.0.0.127
3. 127.0.0.1
4. 255.255.255.0
Answer And Explanation

Answer: Option C
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6. You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which can be your choise
1. 255.255.255.192
2. 255.255.255.224
3. 255.255.255.240
4. 255.255.255.248
Answer And Explanation

Answer: Option B
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7. What is the subnetwork number of a host with an IP address of 172.16.66.0/21
1. 172.16.64.0
2. 172.16.48.0
3. 172.16.36.0
4. 172.16.0.0
Answer And Explanation

Answer: Option A
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