_____are often used to stop bots and other automated programs from using blogs to affect search engine rankings, signing up for e-mail accounts to send out spam or take part in on-line polls.
AMalware
BFirewall
CCAPTCHA
DBiometrics
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
………. refers to sending email to thousands and thousands of users-similar to a chain letter.
_____ is the modification of software to remove or disable features which areundesirable by a person.
Which of the following cannot be a part of an email address?
The founder of Wiki Leaks is :
Unsolicited commercial email is commonly known as: