10+ Interview Questions and Answers

IP address is a unique identifier assigned to devices on a network. There are 4 classes in IPv4 addressing mode with different ranges.

• IP address is a numerical label assigned to each device on a network

• IPv4 addressing mode has 4 classes: A, B, C, and D

• Class A ranges from 1.0.0.0 to 126.0.0.0

• Class B ranges from 128.0.0.0 to 191.255.0.0

• Class C ranges from 192.0.0.0 to 223.255.255.0

• Class D is reserved for multicast addresses

Answering about OSI reference model and its layers

• OSI reference model has 7 layers

• Physical layer deals with physical transmission of data

• Data link layer provides error-free transfer of data

• Network layer handles routing and logical addressing

ITIL is a framework for IT service management. Incident is an unplanned interruption while service request is a planned request.

• ITIL stands for Information Technology Infrastructure Library

• It is a framework for IT service management

• It provides guidelines for delivering IT services efficiently and effectively

• Incident is an unplanned interruption to an IT service or a reduction in the quality of an IT service

• Service request is a formal request from a user for something to be pr...read more

BSOD stands for Blue Screen of Death. It is an error screen displayed on Windows operating systems when a critical system error occurs.

• BSOD is a stop error screen that appears when the Windows operating system encounters a fatal system error.

• It is usually caused by hardware or driver issues, software conflicts, or system file corruption.

• To resolve BSOD, one can try restarting the computer, updating drivers, running hardware diagnostics, or performing a system restore.

• Examples...read more

Active Directory is a directory service that stores information about network resources and enables centralized management.

• Active Directory is used to manage and organize users, computers, and other network resources in a Windows domain.

• It provides authentication and authorization services, allowing users to access resources based on their permissions.

• Active Directory enables single sign-on, where users can log in once and access multiple resources without re-authentication.

• I...read more

Yes, I am familiar with ticketing tools.

• I have experience using ticketing tools such as ServiceNow and JIRA.

• I understand how to create, update, and close tickets.

• I am able to prioritize tickets based on urgency and impact.

• I am familiar with using ticketing tools to track and report on service desk metrics.

Types of networks include LAN, WAN, MAN, WLAN, PAN, SAN, CAN, and VPN.

• LAN (Local Area Network) - a network that connects devices within a limited area

• WAN (Wide Area Network) - a network that connects devices over a large geographical area

• MAN (Metropolitan Area Network) - a network that connects devices within a city or metropolitan area

• WLAN (Wireless Local Area Network) - a LAN that uses wireless connections

• PAN (Personal Area Network) - a network that connects devices within ...read more

To find the IP address of a system, use the command prompt or network settings.

• Open command prompt and type 'ipconfig' to see the IP address

• Go to network settings and click on 'Properties' to see the IP address

• Use a network scanner tool to find IP addresses of all devices on the network

Yes, I know how to create and manage Users and Groups.

• To create a user, use the appropriate command or tool provided by the operating system or directory service.

• To manage users, you can modify their properties, reset passwords, enable or disable accounts, and assign permissions.

• To create a group, use the command or tool provided by the operating system or directory service.

• To manage groups, you can add or remove members, assign permissions, and modify group properties.

• Exampl...read more