Inventum Technologies Interview Questions and Answers

To configure DHCP in Linux, you need to modify the configuration file and restart the DHCP service.

• Edit the /etc/dhcp/dhcpd.conf file to configure DHCP settings

• Specify the range of IP addresses to be leased to clients

• Set the subnet mask, default gateway, DNS servers, and other options

• Restart the DHCP service after making changes to the configuration file

HTTP clients are software applications that allow users to send and receive HTTP requests and responses.

• HTTP clients are used to communicate with web servers by sending HTTP requests and receiving HTTP responses.

• They can be implemented in various programming languages such as Python, Java, and JavaScript.

• Popular HTTP client libraries include requests in Python, OkHttp in Java, and Axios in JavaScript.

• HTTP clients can handle different types of requests such as GET, POST, PUT, ...read more

The OSI Model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven distinct layers.

• The OSI Model stands for Open Systems Interconnection Model.

• It helps in understanding how different networking protocols work together.

• The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has specific functions and communicates with the adjacent layers.

• For example, HTTP operate...read more

SCP in Linux stands for Secure Copy Protocol, used to securely transfer files between a local and remote host.

• SCP is a command-line tool included in most Linux distributions for securely copying files over SSH.

• It uses the SSH protocol for data transfer and provides encryption and authentication.

• Syntax: scp [options] [source] [destination]

• Example: scp file.txt user@remotehost:/path/to/destination

A linked list is a data structure where each element points to the next one.

• Linked list consists of nodes with data and a pointer to the next node.

• Insertion and deletion can be done easily in a linked list.

• Traversal of a linked list is done using a loop until the end is reached.

Sanity testing is a subset of regression testing that quickly checks if the critical functionalities of an application are working after minor changes.

• Sanity testing is performed to ensure that the application is stable enough for further testing.

• It focuses on testing the core features and functionalities of the software.

• It is usually performed after a new build or a minor change to verify if the system is still functioning as expected.

• Sanity testing is not exhaustive and doe...read more