Interview Questions

One of the main causes of congestion is that traffic is often busy. If hosts could be made to transmit at a uniform rate, congestion would be less common. Another open loop method to help manage congestion is forcing the packet to be transmitted at a more predictable rate. This is called traffic shaping.

Android is a stack of software for mobile devices which has Operating System, middleware and some key applications. The application executes within its own process and its own instance of Dalvik Virtual Machine. Many Virtual Machines run efficiently by a DVM device. DVM executes Java language’s byte code which later transforms into .dex format files.

Features of Android :

- Components can be reused and replaced by the application framework.
- Optimized DVM for mobile devices
- SQLite enables to store the data in a structured manner.
- Supports GSM telephone and Bluetooth, WiFi, 3G and EDGE technologies
- The development is a combination of a device emulator, debugging tools, memory profiling and plug-in for Eclipse IDE.

Android Application Architecture has the following components:
* Services – like Network Operation
* Intent - To perform inter-communication between activities or services
* Resource Externalization - such as strings and graphics
* Notification signaling users - light, sound, icon, notification, dialog etc.
* Content Providers - They share data between applications

To insert a NULL, move -1 to the null indicator

To insert a valid value, move 0 to the null indicator

Amazon S3 provides uploading of large files and retrieve small offsets for end-to-end transfer data rates. The large file gets stored into small files that are smaller in size. Amazon S3 stores multiple of files together in a bundle or in a compressed form, For example in .gzip or .gz format and then convert them into Amazon S3 objects. The files get uploaded on the Amazon server by the use of FTP or another protocol and then retrieved through the HTTP GET request. The request includes the defined parameters like URL, offset (byte-range) and size (length).

There are 2 documents: 

FRD (functional requirement document) 

SDD (system design document) which can also be called TRS (Technical requirements specifications) 

1. Collection of attendance / collation of attendance

2. Scrutunizing the received attendance 

3. Calculating the salary as per the attendance, based on LOP received

4. Once the Payroll Processing is over, the gross salary should be checked with Master Data of salary.

5. Netpay has to request for bank transfers / cheque 

6. Need to take care of statutories like PF / ESI / PT / Income Tax

7. While processing salary, statutory deductions like PF / ESIC / PT and income tax calculations tobe taken care.

8. Arriving the salary structure for New Joiners

9. F&F tobe done for resigned employees

10. PF & ESI Nomination has to take care for the new joiners

11. PF Settlement / PF transfer has to take care for the resigned employees after 60days from the date of resignation.