Diebold Nixdorf Process Associate Interview Questions and Answers

Angular has several lifecycle methods that are called at different stages of a component's life.

• ngOnInit() - called after the component is initialized

• ngOnChanges() - called when the component's input properties change

• ngDoCheck() - called during every change detection cycle

• ngAfterViewInit() - called after the component's view has been initialized

• ngOnDestroy() - called just before the component is destroyed

Pipes are a feature in Angular that allow for data transformation before displaying it in the view.

• Pipes are used to format data in the view

• They can be used to filter, sort, and transform data

• Examples include the date pipe, currency pipe, and uppercase pipe

Global error handling in Angular can be done using ErrorHandler class.

• Create a class that implements the ErrorHandler interface

• Override the handleError() method to handle errors globally

• Provide the ErrorHandler class in the providers array of AppModule

• Use the error handling service to log errors or display error messages

Custom directives are a way to extend HTML with new attributes and functionality.

• Types of custom directives are attribute, element, and class directives.

• Attribute directives modify the behavior of existing HTML elements.

• Element directives create new HTML elements.

• Class directives modify the behavior of existing HTML elements based on their class.

• To create a custom directive, use the directive() method of the AngularJS ...read more

BPO stands for Business Process Outsourcing. It involves contracting a third-party service provider to handle specific business processes.

• BPO is a cost-effective way for companies to outsource non-core business functions such as customer service, data entry, and accounting.

• BPO providers are typically located in countries with lower labor costs, such as India and the Philippines.

• BPO services can be categorized into back...read more

I will listen to their concerns, empathize with them, and offer a solution to their problem.

• Listen actively to their complaints

• Empathize with their situation

• Apologize for any inconvenience caused

• Offer a solution to their problem

• Follow up to ensure their satisfaction