You can use a RequireJS component or Loader component to load external JS or CSS files.
2. How to debug lightning component controllers in Salesforce?
3. Is it possible to use other frameworks like AngularJs or KendoUI with lightning components?
Yes
4. Is Lightning an MVC framework?
No. It’s a component-based framework.
5. Which parts of Lightning Components are server-side and which are client-side?
Lightning Components use JavaScript on the client-side and Apex on the server-side.
6. What is the use of the aura:method tag in Lightning?
We can Use < aura:method > to define a method as part of a component’s API. This enables us to directly call a method in a component’s client-side controller instead of firing and handling a component event. Using simplifies the code needed for a parent component to call a method on a child component that it contains.
https://www.infallibletechie.com/2016/11/auramethod-in-salesforce.html
7. Can we Include One component to another?
Yes, we can Include one lightning component to another lightning component.
8. How can we deploy components to production org?
We can deploy components by using managed packages, Force.com IDE, Force.com Migration Tool or Change Sets.
9. Difference between REST API and SOAP API?
Varies on records that can be handled. Generally, if we want to access less number of records we go for REST API.
10. What is the maximum allowed time limit while making a callout to external service in apex?
A maximum of 120 seconds time limit is enforced while making a callout to external service.
11. What is the default timeout period while calling web services from Apex.
10 sec.
12. Community User Visibility in Salesforce
https://www.infallibletechie.com/2017/04/community-user-visibility-in-salesforce.html
13. What is the use of the Sharing Set in Salesforce Community?
https://www.infallibletechie.com/2016/09/what-is-use-of-sharing-set-in.html