<span>Ports are used to distinguish among multiple destination processes in a single host computer.</span>
UDP (User Datagram Protocol)<span> port 500 is used for i k e traffic from VPN client to server.
</span><span>This port is used during the establishment of secure VPN tunnels.
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Answer:
A. an instance of the same data is stored in two or more places in the database.
Explanation:
Giving that Update Anomalies usually occur when the designated user person in keeping records or record master stored a particular data in more than one in a database. This is what is called duplication of data and is termed an irregularity on the part of the record keeper.
Hence, the correct answer to the question is " A. an instance of the same data is stored in two or more places in the database."
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