HCLTech Interview Questions and Answers

To search for a keyword in a file in Ubuntu/Linux, you can use the 'grep' command.

• Open the terminal in Ubuntu/Linux

• Navigate to the directory where the file is located

• Use the 'grep' command followed by the keyword and the file name

• The command will display the lines containing the keyword in the file

DNS stands for Domain Name System. It is a decentralized naming system that translates domain names into IP addresses.

• DNS is used to resolve domain names to IP addresses.

• It helps in the efficient routing of internet traffic.

• DNS servers store DNS records that contain information about domain names and their corresponding IP addresses.

• Some popular DNS servers include Google DNS, OpenDNS, and Cloudflare DNS.

There are several DNS providers available, such as Google Cloud DNS, Amazon Route 53, and Cloudflare DNS.

• Google Cloud DNS is a reliable and scalable DNS service provided by Google.

• Amazon Route 53 is a highly available and scalable DNS web service provided by Amazon Web Services.

• Cloudflare DNS is a fast and secure DNS service that offers privacy and protection against DDoS attacks.

PXE (Preboot Execution Environment) is a network protocol that allows a computer to boot and install an operating system remotely. Configuration Manager is a software tool used for managing and deploying software, updates, and operating systems across a network.

• PXE enables computers to boot from a network server instead of a local hard drive.

• It is commonly used in large-scale IT environments for automated OS installations.

• Configuration Manager, also known as SCCM (System Cent...read more

Yes, I have experience in scripting.

• I have been scripting for over 5 years.

• I am proficient in Python, JavaScript, and Bash scripting.

• I have developed automation scripts for various tasks.

• I have experience with data manipulation and analysis using scripting languages.

• I have used scripting to streamline processes and improve efficiency.

• I am familiar with version control systems like Git for managing scripts.

• I have integrated scripts with APIs and databases for data retrieval an...read more