Answer:
Passive security attack are the unauthorized disclosure in the network attack. In this type of security attack a system are use for monitoring and sometimes scanning the open port. It basically include the monitoring the unprotected data and traffic analysis.
On the other hand, active security system modify the transmitted data and gain the unauthorized access from the computer system.
This type of security attack basically monitor the file transfer and electronic mail from the attacks which can be pass in the form of viruses in the computer system.
Answer:
ATM card and the pin number, the status of the bank account and the total of the purchase and the account and method of payment.
Explanation:
The POS or point of service is a device that allows the purchase of product from a commercial store to be done wirelessly and cashless.
It promotes The cashless policy to reduce the circulating physical currency. The POS electromagnetic wave to wirelessly access bank database to retrieve bank account information.
It takes in the smart card, and with the command, retrieves the bank account information addressed on the card. The cashier types the total price of purchased product and it is automatically minus and updated on the account database. Then the invoice of the transaction is issued to the customer.
C) Filters make it easier to find specific information in large databases.
