Answer:
Customer(1) - (1) Vehicle.
Explanation:
Cardinality is the mapping of entities or group of entities to a cardinal value. It tries to show the relationship between two objects like a cups in a shelf or plates in racks.
The car dealer in the question, sells one car to a customer and keep or prioritise the record of the main owner of the acquired vehicle. So the maximum cardinality assignment of the customer and vehicle is one (1) to one (1) mapping.
The PHP code is given below:
<h3>PHP code</h3>
if(isset($_REQUEST['login_btn'])){
$email = filter_var(strtolower($_REQUEST['email']),FILTER_SANITIZE_EMAIL); //strtolower changes email to all lower case
$password = strip_tags($_REQUEST['password']);
The remaining code is in the file attached.
Read more about PHP here:
brainly.com/question/27750672
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The answer is <span>Digital data
</span>
Answer:
The correct answer is option (D).
Explanation:
According to the scenario, the most appropriate answer is option (D) because the firewall can be defined as the software program which checks through the network for incoming and outgoing communication on predefined rules.
while the other options are wrong because of the following reasons :
- A sniffer can be defined as the program which is used to check the network traffic but it didn't work on predefined rules.
- An auditor can be defined as a program that is used to analyze the network.
- The hacker can be a person who hacks the system to gain access or gather information.
