Tag Archives: protocol

Cisco DHCP Configuration

Dynamic Host Configuration Protocol (DHCP) is a protocol used by networked devices to obtain information required to operate on an Internet Protocol network. When a DHCP client is first switched on, it sends a broadcast packet on the network with … Continue reading

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Using POP3 not SMTP to retrieve email

The Post Office Protocol version 3 (POP3) as defined in RFC1939 is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection. The protocol defines how the server responds … Continue reading

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Protocol Data Unit (PDU) – Process of Network Data Encapsulation

Within the layer in the OSI Reference Model, the communication between layers higher than layer one is logical; the only hardware connection is at the physical layer. Communication take the form of some sort of message that is sent between … Continue reading

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