10+ Bell Teleservices Interview Questions and Answers

Troubleshooting high utilisation

• Identify the source of high utilisation

• Check for any misconfigurations or errors

• Analyze network traffic and system logs

• Optimize system resources or upgrade hardware if necessary

Questions related to MPLS, BGP, VLAN and troubleshooting techniques for BGP

• MPLS is a protocol used for efficient packet forwarding in a network

• BGP AD value is used to determine the best path for routing traffic

• BGP attributes include AS path, next hop, local preference, etc.

• Troubleshooting BGP involves checking for configuration errors, checking BGP neighbor status, checking routing tables, etc.

• Valid VLANs are those that are configured on a switch and are within the range of 1...read more

A network is a group of interconnected devices that can communicate and share resources. There are different types of networks such as LAN, WAN, MAN, etc.

• Network is a collection of devices that are connected to each other to share resources and information.

• Local Area Network (LAN) is a network that connects devices within a small area like an office or a building.

• Wide Area Network (WAN) connects devices across a large geographical area like cities or countries.

• Metropolitan Ar...read more

Capacity is the maximum amount of work that can be done within a given time frame. Trending analysis is the process of analyzing data to identify patterns and trends. SLA and OLA are agreements that define the level of service expected from a provider. Risk is the possibility of harm or loss. Impact is the effect or influence of an event or action.

• Capacity is the maximum amount of work that can be done within a given time frame

• Trending analysis is the process of analyzing dat...read more

Java8 introduced new features like lambda expressions, streams, and functional interfaces.

• Lambda expressions for functional programming

• Streams for efficient processing of large data sets

• Functional interfaces for easy implementation of lambda expressions

• Default methods to add new functionality to existing interfaces

• Date and Time API for improved handling of date and time

• Nashorn JavaScript engine for improved performance of JavaScript code

• Type annotations for improved type chec...read more

BT Group's moto is 'Beyond Limits'

• BT Group's moto is 'Beyond Limits'

• It reflects the company's commitment to pushing boundaries and exceeding expectations

• The moto signifies innovation, progress, and determination