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1Z0-821 · Question #104

Subnets are created by using________.

The correct answer is B. netmask. The process of subnetting involves the separation of the network and subnet portion of an address from the host identifier. This is performed by a bitwise AND operation between the IP address and the (sub)network prefix. The result yields the network address or prefix, and the…

Configuring and Administering Networks

Question

Subnets are created by using________.

Options

  • Asubnet
  • Bnetmask
  • Cunicast
  • Dbroadcast

How the community answered

(17 responses)
  • B
    82% (14)
  • C
    12% (2)
  • D
    6% (1)

Explanation

The process of subnetting involves the separation of the network and subnet portion of an address from the host identifier. This is performed by a bitwise AND operation between the IP address and the (sub)network prefix. The result yields the network address or prefix, and the remainder is the host identifier. The routing prefix of an address is written in a form identical to that of the address itself. This is called the network mask, or netmask, of the address. For example, a specification of the most- significant 18 bits of an IPv4 address, 11111111.11111111.11000000.00000000, is written as

Topics

#subnets#netmask#IP networking#subnetting

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