AP CSP 2017 1st Sem. Final Review

CSS rules have a selector that defines which HTML elements the rule applies to.
  We’ve learned about the following CSS Selectors:
•  Select by tag name
•  Select by class name
•  Select by id name
Which of the following ranks the selectors from highest precedence to lowest precedence?

• Select by tag name, select by class name, select by id name
• Select by id name, select by tag name, select by class name
• Select by id name, select by class name, select by tag name
• Select by class name, select by id name, select by tag name

Which of the following is a valid CSS rule?

• h1 {
    color: blue;
  }
• <h1> {
  color: blue;
  }
• h1 {
  color="blue";
  }
• h1 {
  color=blue;
  }

An image is hosted at
https://upload.wikimedia.org/wikipedia/commons/6/62/Big_and_little_dog.jpg
Which of the following is the proper HTML code to display this image on your webpage?

• <a href="https://upload.wikimedia.org/wikipedia/commons/6/62/Big_and_little_dog.jpg">Image</a>
• <img>https://upload.wikimedia.org/wikipedia/commons/6/62/Big_and_little_dog.jpg</img>
• <img src="https://upload.wikimedia.org/wikipedia/commons/6/62/Big_and_little_dog.jpg">
• <img src="https://upload.wikimedia.org/wikipedia/commons/6/62/Big_and_little_dog.jpg"></img>

Which of the following classifies as metadata about a webpage?

• The tags that make up the body of the webpage
• A table on a webpage
• A list on a webpage
• The title of the webpage

What is the domain of this URL:
www.example.com/home.html

• www
• home.html
• www.example.com
• HTML

Biologists often attach tracking collars to wild animals. For each animal, the following geolocation data is collected at frequent intervals.
•  The time
•  The date
•  The location of the animal
Which of the following questions about a particular animal could NOT be answered using only the data collected from the tracking collars?

• Approximately how many miles did the animal travel in one week?
• Does the animal travel in groups with other tracked animals?
• Do the movement patterns of the animal vary according to the weather?
• In what geographic locations does the animal typically travel?

Which of the following is a true statement about data compression?

• Data compression is only useful for files being transmitted over the Internet.
• Regardless of the compression technique used, once a data file is compressed, it cannot be restored to its original state.
• Sending a compressed version of a file ensures that the contents of the file cannot be intercepted by an unauthorized user.
• There are trade-offs involved in choosing a compression technique for storing and transmitting data.

According to the domain name (DNS), which of the following is a subdomain of the domain example.com?

• about.example.com
• example.co.uk
• example.com.org
• example.org

Under which of the following conditions is it most beneficial to use a heuristic approach to solve a problem?

• When the problem can be solved in a reasonable time and an approximate solution is acceptable
• When the problem can be solved in a reasonable time and an exact solution is needed
• When the problem cannot be solved in a reasonable time and an approximate solution is acceptable
• When the problem cannot be solved in a reasonable time and exact solution is needed.

Which of the following are true statements about digital certificates in Web browsers?
I.  Digital certificates are used to verify the ownership of encrypted keys used in secured communication.
II.  Digital certificates are used to verify that the connection to a Web site is fault tolerant.

• I only
• II only
• I and II
• Neither I and II