DUP leader Arlene Foster attends vigil for murdered journalist

The video tutorial begins with introductory remarks, followed by a discussion on the second call.

What is the main focus of the introduction section?

• A detailed explanation of a concept

• A brief statement to set the context

• A summary of the entire video

• A question and answer session

What is discussed in the 'Making a Call' section?

• The history of telecommunication

• Different types of calls

• The importance of communication

• How to initiate a call

Which section discusses the initiation of a call?

• None of the above

• Introduction

• Making a Call

• Second Call

What is the focus of the 'Second Call' section?

• The process of making a second call

• The benefits of making multiple calls

• The history of the second call

• The challenges of making a second call

What is the duration of the 'Second Call' section?

• 2000 milliseconds

• 350 milliseconds

• 360 milliseconds

• 1940 milliseconds