Answer:
Step 1: Visit iCloud.com and log in with your Apple ID and password
At the same time, a window also pops up on iDevice
you need to click "Allow"
Copy the code from your phone to icloud.com
Step 2: Once signed in, select Settings on homepage
Step 3: Click "Manage" Apple ID.
Step 4: You will be directed to another site – appleid.apple.com
input your password to log in and verify it with Apple ID verification code.
Step 5: Then you will enter the manage page.
Click "Edit" in Security column.
Step 6: Click "Turn Off Two-Factor Authentication"
then confirm it.
Step 7: Then you need to select your security questions and answer them
click "Continue" after confirming your birthday and rescue email.
After all of these steps, you have turned off two factor authentication for Apple ID successfully.
Source : https://www.imobie.com/guide/anytrans/how-to-turn-off-two-step-verification-in-icloud.htm
Answer:
Purposes of Data Layer, in the Layered model for web applications are as following:-
1. The data Layer,is the third layer and it takes care of the all the operations concerning the database level.
2. This data layer gets a command from the application layer to send a query to the database and will process this command according to the type of database that is used.
3. It will ensure that the correct connections to the database are set.
4. It is represented by the Database.
Many admins set their firewalls to drop echo-request packets to prevent their networks from being mapped via "Ping Sweeps".
A remote possibility is that there's too many hops between the source and target and the packet's TTL expires.