The type of attack that the hacker performed is Domain Name System (DNS) server cache poisoning.
<h3>What is DNS poisoning?</h3>
In Domain Name System (DNS) server cache poisoning, the hackers often enter into a DNS server because they want to make an adjustment to its directory so that it can point the domain name users enter to a wrong, IP address.
Note that Domain Name Server (DNS) poisoning is a form of system attack in which there is the change of DNS records which are then used to redirect online traffic to a wrong website.
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Answer:
The purpose of the backup is to create a copy of data that can be recovered in the event of a primary data failure. Primary data failures can be the result of hardware or software failure, data corruption, or a human-caused event, such as a malicious attack (virus or malware), or accidental deletion of data.
Answer:
Explanation:
pop(): Remove an item from the end of an array
push(): Add items to the end of an array
shift(): Remove an item from the beginning of an array
unshift(): Add items to the beginning of an array
Answer: Identifying sequences
Explanation:
Since the user wants to know if there are any particular activities that the customers engage in, or the types of purchases made in the month before or after purchasing select items from your store, therefore, the data mining software can be used in identifying sequences.
In this case, the data mining software can't be used in classifying data whether into structured or unstructured data. Furthermore, the identification of clusters and associations aren't the correct answers.
Therefore, the best option is B.
