Datatech Computers System Support Engineer Interview Questions and Answers

CCTV stands for Closed Circuit Television.

• CCTV is a video surveillance system used for security purposes.

• It consists of cameras, monitors, and recording devices.

• CCTV footage can be used as evidence in legal proceedings.

• CCTV is commonly used in public places like airports, banks, and shopping malls.

OTDR stands for Optical Time Domain Reflectometer.

• OTDR is a device used to test and troubleshoot fiber optic networks.

• It sends a pulse of light into the fiber and measures the time and intensity of the reflected signal.

• This information is used to locate faults and determine the quality of the fiber.

• OTDRs are commonly used by network technicians and engineers.

• Example brands of OTDRs include Fluke Networks, EXFO, and Anr

A protocol is a set of rules that governs the communications between computers on a network.

• A protocol is a set of rules that governs the communications between computers on a network.

• It defines the format and sequence of messages exchanged between devices.

• Examples of protocols include TCP/IP, HTTP, FTP, and SMTP.

To create a file system, you need to partition the disk and format it with a file system.

• Partition the disk using a partitioning tool like fdisk or gdisk

• Format the partition with a file system using a tool like mkfs or mkfs.ext4

• Mount the file system to a directory using the mount command

• Add the file system to /etc/fstab to automatically mount it on boot

UCS installation process involves several steps to set up the system.

• Download the UCS ISO image from the official website.

• Create a bootable USB drive or DVD using the ISO image.

• Boot the system from the USB drive or DVD.

• Follow the on-screen instructions to install UCS.

• Configure the network settings and other parameters during the installation process.

• Once the installation is complete, log in to the UCS system and start ...read more

Cloud computing is the delivery of computing services over the internet.

• Cloud computing allows users to access and use computing resources on-demand.

• Types of cloud computing include public, private, and hybrid clouds.

• Public clouds are owned and operated by third-party providers, like Amazon Web Services (AWS) or Microsoft Azure.

• Private clouds are dedicated to a single organization and can be located on-premises or host...read more