Sigma-Byte Computers Interview Questions and Answers

A camera is a device used to capture images or videos by recording light onto a photosensitive surface.

• Cameras come in various types such as digital cameras, DSLRs, mirrorless cameras, and smartphone cameras.

• They consist of components like a lens, image sensor, and image processor.

• Cameras can be used for photography, videography, surveillance, and live streaming.

Yes, I am familiar with crimping RJ45 connectors.

• I have experience crimping RJ45 connectors in previous roles.

• I am familiar with the T568A and T568B wiring standards for Ethernet cables.

• I know how to use a crimping tool to secure the wires in the connector.

• I understand the importance of properly crimping the connector to ensure a reliable connection.

There are multiple types of readers, including casual readers, avid readers, speed readers, etc.

• Casual readers

• Avid readers

• Speed readers

• Visual readers

• Auditory readers

DNS (Domain Name System) translates domain names into IP addresses, enabling browsers to load Internet resources.

• DNS acts like a phonebook for the Internet, mapping human-friendly domain names (e.g., www.example.com) to IP addresses (e.g., 192.0.2.1).

• It consists of a hierarchy of servers, including root servers, TLD servers, and authoritative name servers.

• DNS caching improves performance by storing previously resolved ...read more

Metasploit is a penetration testing framework used for developing and executing exploit code against remote targets.

• Open-source framework for security testing and vulnerability assessment.

• Includes a vast collection of exploits, payloads, and auxiliary modules.

• Used by security professionals to simulate attacks and assess system security.

• Example: Exploiting a known vulnerability in a web application to test defenses.

• Supp...read more

Email requesting information

• Start with a polite greeting

• Clearly state the purpose of the email and what information is needed

• Provide any relevant context or background information

• Request a specific deadline for the response

• Thank the recipient for their assistance