CCNA

ARP (Address Resolution Protocol) is a Layer 2 Protocol. Layer 2 uses Physical addresses (MAC addresses) for the communication. Here, ARP Protocol is used to convert a given IP address 
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Like millions of people on the world, as a network engineer we are also using Internet. But a little different from other people, we also need to know some common 
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There are different transmission techniques in communication if we divide communication according to the receivers. These communication techniques are: Unicast Multicast Broadcast Anycast   Unicast is the communication that there 
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TCP vs UDP Before, we have talked about TCP and UDP as an overview. Here, we will compare these two protocols’s main characteristics and we will see TCP vs UDP. 
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UDP Protocol UDP Protocol (User Datagram Protocol) is another Tranport Layer Protocol. It is simpler than TCP. We will also see the differences of these two protocols in TCP vs 
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