Virtusa Consulting Services Interview Questions and Answers

Call transfers to a different operator involve redirecting the call from one operator to another.

• Call transfer can be initiated by the caller or the current operator.

• The caller can request a transfer by providing the desired operator's extension or department.

• The current operator can transfer the call by using a transfer button or dialing the desired operator's extension.

• During the transfer, the caller may be put on hold or hear a transfer announcement.

• Once the call is transf...read more

VI editor is a text editor used in Unix-like operating systems for editing files.

• VI editor is used for creating, editing, and viewing text files.

• It is a command-line based editor with different modes like command mode, insert mode, and visual mode.

• Commands are used to navigate, search, replace, and perform other editing tasks.

• For example, to open a file in VI editor, you would type 'vi filename' in the terminal.

• To save changes and exit, you would switch to command mode by pre...read more

Antennas are devices used to transmit and receive electromagnetic waves. They come in various types and have different working principles.

• Antennas are used in various applications such as radio and television broadcasting, wireless communication, radar systems, and satellite communication.

• Types of antennas include dipole antennas, loop antennas, patch antennas, parabolic antennas, and Yagi-Uda antennas.

• Antennas work by converting electrical signals into electromagnetic waves ...read more

5G architecture is a network design that allows for faster data speeds, lower latency, and increased capacity.

• 5G architecture includes three main components: user equipment (UE), radio access network (RAN), and core network.

• UE connects to the RAN through wireless links, which then connects to the core network.

• The core network manages the flow of data between the UE and external networks, such as the internet.

• 5G architecture also includes network slicing, which allows for the ...read more

5G is needed to support the increasing demand for high-speed, low-latency connectivity and enable the development of advanced technologies.

• Faster data speeds: 5G offers significantly faster download and upload speeds compared to previous generations of wireless technology.

• Low latency: 5G reduces the delay between sending and receiving data, enabling real-time communication and supporting applications like autonomous vehicles and remote surgery.

• Increased capacity: With more de...read more

Linux File is a data structure used to store information on a computer system.

• Linux files are organized in a hierarchical structure starting from the root directory (/)

• Each file is identified by a unique name within its directory

• Files can be of different types such as regular files, directories, symbolic links, etc.

• Permissions are set for each file to control access by users and groups

2G is based on GSM technology, 3G on UMTS/WCDMA, and 4G on LTE technology.

• 2G (Second Generation) uses GSM technology for digital cellular networks.

• 3G (Third Generation) uses UMTS/WCDMA technology for faster data transmission.

• 4G (Fourth Generation) uses LTE technology for even faster data speeds.

• Each generation offers improvements in speed, capacity, and efficiency.

• 5G is the latest generation, offering even faster speeds and lower latency.