Technical Support Associate Interview Questions and Answers for Freshers

A router connects multiple devices to a network and directs traffic, while a modem connects a network to the internet.

• A router is used to create a local area network (LAN) and connect multiple devices to it.

• A modem is used to connect a network to the internet.

• A router directs traffic between devices on the network and manages the flow of data.

• A modem converts digital signals from the network into analog signals that can be transmitted over a phone or cable line.

• Examples of ro...read more

Hubs broadcast data to all connected devices, while switches only send data to the intended recipient.

• Hubs operate at the physical layer of the OSI model, while switches operate at the data link layer.

• Hubs are less expensive than switches, but switches offer better performance and security.

• Hubs are often used in small networks, while switches are used in larger networks.

• Example of a hub: Netgear 5-Port Fast Ethernet Unmanaged Switch

• Example of a switch: Cisco Catalyst 2960 Ser...read more

MAC address is a unique identifier assigned to network interfaces for communications on the physical network segment.

• MAC stands for Media Access Control

• It is a 48-bit address

• It is used to identify devices on a network

• It cannot be changed permanently, but can be spoofed temporarily

• Example: 00:1A:C2:7B:00:47

The OSI model is a conceptual framework that standardizes the functions of a communication system into seven layers.

• The OSI model stands for Open Systems Interconnection model.

• It was developed by the International Organization for Standardization (ISO) in 1984.

• The model is divided into seven layers, each responsible for specific functions.

• The layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer interacts with the layer above a...read more

Command to check IP address

• Use 'ipconfig' command on Windows

• Use 'ifconfig' command on Linux/Mac

• Check 'ip addr show' on Ubuntu

GIS stands for Geographic Information System. It is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.

• GIS is used in various fields such as urban planning, environmental management, and disaster management.

• It involves the use of maps, satellite imagery, and other geographical data to create visual representations of data.

• GIS software includes ArcGIS, QGIS, and Google Earth.

• GIS can be used to analyze data such as populatio...read more

List is mutable, tuple is immutable in Python.

• List can be modified after creation, tuple cannot.

• List uses square brackets [], tuple uses parentheses ().

• List is used for collections of items that may change, tuple for fixed collections.

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)

Linux commands are used to interact with the operating system and perform various tasks.

• ls - list directory contents

• cd - change directory

• pwd - print working directory

• mkdir - make directory

• rm - remove files or directories

• cp - copy files or directories

• mv - move files or directories

• grep - search for patterns in files

• chmod - change file permissions

• sudo - execute a command as a superuser