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What the single origin policy in JavaScript?

Question : What the single origin policy in JavaScript? : 83691

What is the single origin policy in JavaScript?

A script can only be used (referenced) by single web page

A script can only load data from the same web site that it was loaded from

A script can only access its own web page once; it cannot access its page twice or more

A script can only access its own web page; it cannot ask the server for more data

What effect, if any, would the single origin policy have on your PHP’s ability to send emails?

Your PHP may only send emails to users on the same domain as the website

Your PHP may send emails to any users, but it may not send text messages

Your PHP may only make server-to-server connections to servers on the same domain

The single origin policy only affects JavaScript, and it has no effect on PHP at all

Suppose that you have a PHP that sends out some emails, and you want your PHP to save a copy of every email in your database before it sends out that email. Which of the following is most likely to be true?

Your database will probably have at least one blob (or clob) column

Your database will definitely have at least one auto-increment column

Your PHP code definitely does not use any prepared statements

Your PHP code will probably need to send a regular expression to the database

What is the difference between cookies and sessions?

Sessions are little pieces of data that flow back and forth between the client and server; cookies only exist on the client side

Sessions are little pieces of data that flow back and forth between the client and server; cookies only exist on the server side

Cookies are little pieces of data that flow back and forth between the client and server; sessions only exist on the client side

Cookies are little pieces of data that flow back and forth between the client and server; sessions only exist on the server side

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