Sanrachna Consultants IT Manager Interview Questions and Answers

Network is a collection of computers and other devices connected together to share resources and information.

• Network refers to the infrastructure that allows devices to communicate with each other.

• Networking involves the process of connecting devices within a network to enable communication.

• Examples of networks include LAN (Local Area Network), WAN (Wide Area Network), and the internet.

Routers are networking devices that forward data packets between computer networks. Types include wired, wireless, core, edge, and virtual routers.

• Routers are used to connect multiple networks together

• Wired routers use physical cables to connect devices

• Wireless routers use Wi-Fi to connect devices

• Core routers are used in the backbone of the network

• Edge routers connect the network to external networks

• Virtual routers are...read more

A switch is a networking device that connects devices on a local area network (LAN) and forwards data packets between them.

• Types of switches include managed switches, unmanaged switches, and layer 2/layer 3 switches.

• Managed switches allow for configuration and monitoring of network traffic.

• Unmanaged switches are plug-and-play devices with no configuration options.

• Layer 2 switches operate at the data link layer and use ...read more

OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.

• Physical Layer: Deals with physical connections and transmission of raw data.

• Data Link Layer: Manages data frames and error detection/correction.

• Network Layer: Handles routing and logical addressing.

• Transport Layer: Ensures end-to-end communication a...read more

Zero trust architecture is a security model that eliminates the idea of trust based on network location.

• Zero trust assumes that threats could be both inside and outside the network.

• It requires strict identity verification for anyone trying to access resources.

• Access controls are based on the principle of least privilege.

• Network segmentation is a key component of zero trust architecture.

• Examples of zero trust architectu...read more

SAP BW Modelling involves creating Fact Tables with appropriate ratios.

• Fact Tables are used to store quantitative data in SAP BW.

• They are linked to Dimension Tables which provide context to the data.

• The ratio of Fact Table to Dimension Table should be 1:1 or 1:N.

• This ensures efficient data retrieval and analysis.

• For example, if the Fact Table contains sales data, the Dimension Table could include information about prod

Migrating legacy systems to cloud infrastructure

• Identifying legacy systems and their dependencies

• Designing a cloud infrastructure that meets business requirements

• Ensuring data security and compliance during migration

• Testing and validating the new cloud environment

• Training end-users on the new system