NSE.IT Information Technology Support Engineer Interview Questions, Process, and Tips

An IP address is a unique numerical identifier assigned to every device connected to the internet.

• IP stands for Internet Protocol

• It consists of four sets of numbers separated by dots

• There are two types of IP addresses: IPv4 and IPv6

• IPv4 addresses are 32-bit numbers and IPv6 addresses are 128-bit numbers

• Examples of IP addresses are 192.168.1.1 and 2001:0db8:85a3:0000:0000:8a2e:0370:7334

File sharing can be done through various methods.

• One can use cloud storage services like Google Drive, Dropbox, etc.

• File transfer protocols like FTP, SFTP, etc. can be used.

• Peer-to-peer file sharing can be done through applications like BitTorrent.

• File sharing can also be done through network file sharing services like SMB, NFS, etc.

IP addresses can be assigned manually or automatically using DHCP.

• To assign an IP address manually, go to network settings and enter the IP address, subnet mask, default gateway, and DNS server.

• To assign an IP address automatically, enable DHCP on the network and the device will receive an IP address from the DHCP server.

• IP addresses can also be assigned using command line tools such as ipconfig or ifconfig.

Creating a bootable drive involves formatting the drive and copying the operating system files onto it.

• Insert a USB drive or DVD into the computer

• Format the drive using a tool like Rufus or Disk Utility

• Copy the operating system files onto the drive

• Set the computer to boot from the drive in BIOS or UEFI settings

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

• Switches operate at the data link layer of the OSI model.

• They use MAC addresses to forward data to the correct destination device.

• Switches can improve network performance by reducing network congestion and collisions.

• Examples of switches include Cisco Catalyst switches and Netgear ProSAFE

To configure a router, access its web interface and enter the necessary settings.

• Connect to the router's network

• Open a web browser and enter the router's IP address

• Enter the login credentials

• Navigate to the settings page and configure as needed

• Save the changes and restart the router if necessary