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What is a subnet? What is a 255.255 subnet? What is a class A subnet? What is a class B subnet? What is a class

  1. What is a subnet?
  2. What is a 255.255 subnet?
  3. What is a class A subnet?
  4. What is a class B subnet?
  5. What is a class C subnet?
  6. What class is this subnet?

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7. What port is port 25 and why is it important to protect? 

8. What are the 7 layers of the OSI Model? 

9. What is the function of the layer link?  Please reference image below.

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Internet Protocol version 4 (IPV4) 128 64 32 16 8 Class A 0.0.0.0 127.255.255.255.255 sub - Class B 128.0.0.0 191.255.255.255 sub 25 1 Class C 192.0.0.0 - 223.255.255.255 sub 255 55.255. Class D 224.0.0.0-239.255.255.255 reserved for multicasting Class E 240.0.0.0 - 255.255.255.255 Experimental / Research

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Lets break down the questions 1 What is a subnet A subnet is a subdivision of an IP network which is a logical division of an IP address A subnet is c... blur-text-image

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