What is trigger.old and when do you normally use it?
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List things that can be customized for page layouts?
Explain 'master-detail relationship' in salesforce ?
What is the validation rule
What is an sobject type?
How will you deploy? Have you ever involved in deployment?
What are the different types of custom settings in salesforce?
What are some best practices when writing test classes?
Can we include external javascript/css libraries in components ? : salesforce lightning component
What will happen if we delete child object in case of look up relationship and master detail relationship? : salesforce objects & fields
When is best to use profiles instead of permission sets?
Which parts of lightning components are server-side and which are client-side ? : salesforce lightning component
What are email services in salesforce and explain how we can use them in code?