This browser is no longer supported.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
Choose the best response for each question, and then select Check your answers.
Which directive do you use to iterate through a list of items?
Which directive do you use to determine whether you should display data?
Which directive do you use to implement Boolean logic?
You must answer all questions before checking your work.
Need help? See our troubleshooting guide or provide specific feedback by reporting an issue.