Case 9-2 Ethan Has Some Questions About HTML Forms That He Addresses

question 116

Multiple Choice

Case 9-2
Ethan has some questions about HTML forms that he addresses to his sister Kyra,who has a lot of experience in Web design.
-Ethan is not sure which attribute he needs to define for the default option in the drop-down list box.He asks Kyra to help him.Which of the following is correct?

• A) <option value="New Jersey" checked="selected">New Jersey</option>
• B) <option value="New Jersey" checked="checked">New Jersey</option>
• C) <option value="New Jersey" selected="selected">New Jersey</option>
• D) <option value="New Jersey" selected="checked">New Jersey</option>

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Definitions:

ControlNet Protocol

A network protocol used in industrial automation environments designed to allow real-time, high-speed data exchange between control devices like PLCs and SCADA systems.

High-Speed Link

A communication connection that allows for rapid data transfer between devices or systems.

SERCOS Standard

An open standard for data exchange between drives and controls in industrial applications, facilitating real-time communication.

Field Devices

Equipment such as sensors, valves, actuators, and transmitters located in the physical area being monitored or controlled.