Option A is correct. A 32-bit IPv4 address is used. An IP address is displayed as d.d.d.d.d, where d is a decimal number, which represents 4 bytes (0 - 255).
Lower order bits serve as the host identifier while high order bits serve as the network identifier. A routing table is a collection of guidelines that determines the direction that data packets traveling across an Internet Protocol (IP) network will take. It is frequently displayed in table format. Routing tables are used by all IP-capable devices, such as switches and routers. A Source Address and a Destination Address are both included in every IP datagram. A specific IP datagram is routed to its destination using the Destination Address.
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