How to insert a start point in Selenium IDE? | Selenium Interview Questions

Start point Selenium IDE can be set in two ways:
1. Right click on the command in Selenium IDE and select "Set / Clear Start Point"
2. Select the command in Selenium IDE and press "S" key on the keyboard
3. You can have only one start point
4. If you have already set one start point and you selected other command as start point. Then the first start point will be removed and the new start point will be set
1. Right click on the command in Selenium IDE and select "Inert New Comment"
2. If you want to comment an existing line. You need to follow the below mentioned steps.
a. Select the source tab in IDE
b. Select the line which you want to comment
c. Assume that if you want to comment a open command you need to write like below mentioned code
<tr>
<!--
<td>open&l/td>
<td>/node/304/edit&l/td>
<td></td>
-->
</tr>