Senior Tech Support Interview Questions and Answers

ls -ll displays detailed information about files in a directory in long format.

• Displays file permissions, number of links, owner, group, file size, last modified date, and file/directory name

• Useful for viewing detailed information about files in a directory

• Example: ls -ll /home/user/Documents

Linux runs DHCP using a DHCP client to request an IP address from a DHCP server and configure network settings.

• Linux uses a DHCP client to send a DHCPDISCOVER broadcast message to discover DHCP servers on the network.

• The DHCP server responds with a DHCPOFFER message containing an available IP address.

• The DHCP client then sends a DHCPREQUEST message to request the offered IP address.

• Finally, the DHCP server sends a DHCPACK message to confirm the IP address assignment and the c...read more

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

• DHCP stands for Dynamic Host Configuration Protocol

• It allows devices to obtain IP addresses and other network configuration information dynamically

• DHCP servers assign IP addresses to devices within a specific range called a DHCP pool

• DHCP lease time determines how long a device can use an assigned IP address

• DHCP uses a client-server model where the client requests an IP address and the s...read more