Answer:
Explanation:
Gas Filling Station has pumps. Pumps have credit card readers. Driver can able to swipe their cards, pumps have Fuel. Pumps card readers communicate with Credit Company. Driver interacts with pump for fuel and credit card.
In this situation the following we need to treat as objects.
They are Pump, Card reader, Fuel tank, communication system, system controller and price table.
Design pattern for the following system is attached below
Answer:
The correct answer to the following question will be "Anonymous logon".
Explanation:
- Windows would never let anyone sign in interactively with an anonymous logon to the device, a person who has linked to the device without a login and password being given.
- So they won't have to verify to an account of the user just whether you are running any shares.r document, let everyone log into the machine collaboratively with such a logon.
Therefore, Anonymous logon is the right answer.
Answer:d)Use online databases to update and backup the data.
Explanation: Data backup is the creation of copy of the data to be stored in the secondary memory.This data is utilized when the data is lost or deleted from original positional and thus gets restored . Database are used for the updating the backed-up data on online mode.
Other options are incorrect because it does not creates copies for the offices members to take home, no data storage is created in following organization and does not store data in external disk.Thus, the correct option is option(d).
Answer:
Security in communication between applications and sites in m-commerce can use SSL technology.
Explanation:
While developing an app, developers have to perform several checks and ensure that the server has a legitimate certificate.