Wipro Desktop Support Engineer Interview Questions and Answers

VPN stands for Virtual Private Network. It allows users to securely access a private network over a public network.

• Encrypts data to ensure privacy and security

• Allows users to access network resources remotely

• Helps bypass geo-restrictions and censorship

• Protects against cyber threats when using public Wi-Fi

• Examples: NordVPN, ExpressVPN, Cisco AnyConnect

Static IP remains constant, while dynamic IP changes frequently.

• Static IP is manually assigned and does not change, while dynamic IP is assigned by a DHCP server and can change.

• Static IP is typically used for servers, printers, and network devices that need a consistent address.

• Dynamic IP is commonly used for devices that connect to the internet and do not require a fixed address.

• Static IP provides better security and ...read more

CPU 4BPP refers to a graphics mode that supports only 16 colors.

• 4BPP stands for 4 bits per pixel, which means each pixel can have one of 16 colors

• This graphics mode is outdated and not commonly used anymore

• The problem could be related to outdated hardware or software that does not support this mode

Router configuration involves setting up and managing network devices to ensure proper communication between devices.

• Access the router's web interface using a web browser

• Configure basic settings such as network name and password

• Set up port forwarding to allow external access to specific devices

• Create and manage VLANs to segment network traffic

• Enable and configure security features such as firewalls and VPNs

CCNA networking router configuration involves setting up and managing routers for efficient network communication.

• CCNA certification is required for router configuration

• Configuration involves setting up IP addresses, subnet masks, and default gateways

• Routing protocols like OSPF and EIGRP are used for efficient routing

• Security measures like access control lists (ACLs) are implemented to protect the network

• Examples of ro...read more

Understanding DNS, telnet, server, and router configuration is crucial for effective network management.

• DNS (Domain Name System) translates domain names to IP addresses, enabling users to access websites using easy-to-remember names.

• Telnet is a network protocol used to remotely access and manage devices like servers and routers via command line.

• To configure a router, access its web interface or use telnet/SSH, then set...read more

To rejoin a domain, you need to disjoin the computer from the domain first and then rejoin it.

• First, disjoin the computer from the domain by going to System Properties > Computer Name > Change > select Workgroup and restart the computer.

• Next, rejoin the computer to the domain by going to System Properties > Computer Name > Change > select Domain and enter the domain name.

• You will need domain admin credentials to rejoin...read more

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized database for managing network resources

• Stores information about users, computers, groups, etc.

• Allows for authentication and authorization of users

• Enables administrators to manage and secure network resources

• Supports single sign-on for users across different applications

To troubleshoot system slowness, check for resource usage, run diagnostics, update software, and optimize settings.

• Check CPU, memory, and disk usage to identify resource bottlenecks

• Run system diagnostics to identify any hardware issues

• Update software and drivers to ensure system is running on the latest versions

• Optimize system settings such as startup programs and background processes

• Consider checking for malware or vi...read more

DHCP is a network protocol that automatically assigns IP addresses to devices on a network.

• Automatically assigns IP addresses to devices on a network

• Helps in reducing manual configuration errors

• Uses a lease mechanism to manage IP address assignments

• Commonly used in home networks, corporate networks, and internet service providers

Troubleshooting a system that fails to boot involves checking hardware, software, and configuration issues.

• Check power supply: Ensure the system is plugged in and the power outlet is functional.

• Inspect hardware connections: Verify that all cables and components (RAM, HDD) are securely connected.

• Listen for beep codes: If the system beeps on startup, refer to the motherboard manual for error codes.

• Boot in Safe Mode: Atte...read more

Configuring Outlook involves setting up email accounts, adding signatures, and customizing settings.

• Open Outlook and click on File

• Click on Add Account and enter email credentials

• Customize settings such as signature and automatic replies

• Set up rules for organizing emails

• Troubleshoot any issues with connectivity or syncing

• Regularly update and maintain Outlook for optimal performance