Interview Questions

Q:

Who calls the main function of app during the app launch cycle?

Answer

During app launching, the system creates a main thread for the app and calls the app’s main function on that main thread. The Xcode project's default main function hands over control to the UIKit framework, which takes care of initializing the app before it is run.

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Subject: IOS

2 3114
Q:

Keeping the actoins and attributes together under a single unit is called 

A) Encapsulation B) Information Hiding
C) Polymorphism D) Inheritance
 
Answer & Explanation Answer: A) Encapsulation

Explanation:

Encapsulation is a process of binding the data objects together under a single unit.It is one ofthe elements of oops

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Filed Under: Java

0 3113
Q:

What is a REPL in context of Node.js?

Answer

Read - Reads users input, parse the input into JavaScript data-structure and stores in memory


Eval - Evaluates the data structure


Print - Prints the result


Loop - Loops the above command until user press ctrl-c twice

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Subject: Web Technology
Job Role: Software Architect

0 3111
Q:

How does the PeopleSoft database interact with the Oracle?

Answer

A Peoplesoft database is expression which point out a database containing Peoplesoft objects. For Oracle and only for Oracle, Peoplesoft consists in 3 schemas namely:


- PS (PSDBOWNER table owner),


- PEOPLE (for connection checking) and


- SYSADM (by default), the last one contains all the objects/data.


One of the database objects is connected with single Oracle schema, and all processes that connect to the database use the standard PSFT login procedure. PSFT login is used because to refer to the collection of tables in the administrative schema within an Oracle database. Every process that makes a 2-tier connection to the database identifies itself with a PSFT user or operator ID. Hence the interaction goes.

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Subject: Oracle

0 3106
Q:

What does destination scan mean?

A) The shipment has arrived at a UPS facility. B) The shipment has departed a UPS facility and is on its way to the next UPS facility.
C) The shipment has arrived at the local UPS facility responsible for final delivery. D) UPS has received the shipment.
 
Answer & Explanation Answer: C) The shipment has arrived at the local UPS facility responsible for final delivery.

Explanation:

Shipment movement information is captured each time a tracking label is scanned in the UPS delivery system. There may be several days between scans if the shipment is going cross-country or moving between countries.

 

Destination Scan: The shipment has arrived at the local UPS facility responsible for final delivery.

Arrival Scan: The shipment has arrived at a UPS facility.

Departure Scan: The shipment has departed a UPS facility and is on its way to the next UPS facility.

Origin Scan: UPS has received the shipment.

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Filed Under: Marketing and Sales

0 3103
Q:

Which among the following validators validates controls if controls contain data?

A) CompareValidator B) RangeValidator
C) RequiredFieldValidator D) None
 
Answer & Explanation Answer: C) RequiredFieldValidator

Explanation:

RequiredFieldValidator is used to validate the controls if they contain data

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Filed Under: .NET
Job Role: Software Architect

0 3101
Q:

In Windows XP , what does the letter XP stands for?

Answer

The letters XP actually stands for eXPerience. It was designed as an enhancement of Windows 2000, with a totally different and more attractive user interface/console.

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0 3100
Q:

Describe the foreign key columns in fact table and dimension table.

Answer

The primary keys of entity tables are the foreign keys of dimension tables.


The Primary keys of fact dimensional table are the foreign keys of fact tablels.

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