. Encode the following message in base64 01010111 00001111 11110000 2. The following is a dump (contents) of a UDP header in hexadecimal format 0045DF0000580000 a. what is the source port number? b. what is the destination port number? c. what is the total length of the user datagram? d. what is the length of the data? e. what is the application layer protocol? 3.Why does the network-layer protocol need to provide packetizing service to the transport layer? 4. List four types of delays in a packet-switch network.

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Types Of Protocols

A network protocol is a collection of rules that governs the exchange of data between devices connected to the same network. In other words, network protocols are rules that specify how devices communicate or transfer data over a network. The sender and receiver systems must obey the standards to facilitate communication between them.