Experts Response Required on below questions

1- If you have a standard controller and a custom extension, in Visual Force page and you have save(Action) method defined in extension as well. If we put {!save} in our VF page, what will happen
a- Both save action methods from standard and extension will be executed one by one ?
b- Only extension Save action will execute?
c- Only standard controller Save action will execute?

2- Bulk orders imported to Salesforce. If we want to match email field against contact and opportunity then what will be the best approach to do it
a- Workflow
b- process builder
c- Apex

3- With which on these options can we run tests
a- MetaData API
b- Bulk API
c- Tooling API

4- Can we use InlineCSS in salesforce visual force page?

5- If we have SelectOptions tag in visualforce page and we only want to display the selected option data in page, what can be the best approach
a- using custom controller with data in lists for each option?
b- on page rendering

6- If you have lightening component with a list of account.How can you enable havor for it?

7- if you have a related field compnaignmanager in Lead object. and when you convert Lead to new Account.Opportunity,contact then where will the compaignmanager will show as Lookup field
a- Account
b- Opportuntiy
c- contact

8- What is the SOQL command to be used for controlling SQL injections?

9- To access owner from accounts object in a visual force page(Standard controller = contact), use {!contact.account.owner}. True/False?

10- What is the best approach to display list of account on a VF page.
a- Extension Controller
b- List Controller
c- Custom Controller

Experts Response Required on below questions

1- If you have a standard controller and a custom extension, in Visual Force page and you have save(Action) method defined in extension as well. If we put {!save} in our VF page, what will happen
a- Both save action methods from standard and extension will be executed one by one ?
b- Only extension Save action will execute?
c- Only standard controller Save action will execute?

2- Bulk orders imported to Salesforce. If we want to match email field against contact and opportunity then what will be the best approach to do it
a- Workflow
b- process builder
c- Apex

3- With which on these options can we run tests
a- MetaData API
b- Bulk API
c- Tooling API

4- Can we use InlineCSS in salesforce visual force page?

5- If we have SelectOptions tag in visualforce page and we only want to display the selected option data in page, what can be the best approach
a- using custom controller with data in lists for each option?
b- on page rendering

6- If you have lightening component with a list of account.How can you enable havor for it?

7- if you have a related field compnaignmanager in Lead object. and when you convert Lead to new Account.Opportunity,contact then where will the compaignmanager will show as Lookup field
a- Account
b- Opportuntiy
c- contact

8- What is the SOQL command to be used for controlling SQL injections?

9- To access owner from accounts object in a visual force page(Standard controller = contact), use {!contact.account.owner}. True/False?

10- What is the best approach to display list of account on a VF page.
a- Extension Controller
b- List Controller
c- Custom Controller