iOPEX Technologies System Engineer Interview Questions and Answers

IPsec is a protocol suite used to secure internet protocol (IP) communications by authenticating and encrypting each IP packet of a communication session.

• IPsec stands for Internet Protocol Security.

• It provides security services at the IP layer by enabling secure communication over the Internet.

• Packet flow in IPsec involves encryption, authentication, and encapsulation of IP packets.

• IPsec operates in two modes: Transpor...read more

DHCP (Dynamic Host Configuration Protocol) automates IP address assignment in networks, simplifying device connectivity.

• DHCP assigns IP addresses dynamically to devices on a network, reducing manual configuration.

• It operates on a client-server model where the DHCP server manages IP address allocation.

• DHCP leases IP addresses for a specified time, after which they can be reassigned.

• Example: When a laptop connects to Wi-...read more

ARP (Address Resolution Protocol) maps IP addresses to MAC addresses in a local network.

• ARP operates at the link layer of the OSI model.

• It uses broadcast messages to discover the MAC address associated with an IP address.

• Example: A device sends an ARP request to find the MAC address of 192.168.1.1.

• ARP cache stores IP-to-MAC address mappings to reduce network traffic.

• ARP can be exploited in ARP spoofing attacks, leading...read more

I left my last job to pursue new challenges and opportunities for growth in a dynamic environment that aligns with my career goals.

• Career Growth: I felt that I had reached a plateau in my previous role and was seeking opportunities that would allow me to expand my skill set.

• New Challenges: I wanted to work on more complex projects that would push my technical abilities and provide a chance to innovate.

• Cultural Fit: The...read more

The pay offered is below market standards for a System Engineer.

• The pay offered is significantly lower than the industry average for a System Engineer.

• I would like to discuss the salary further to understand the compensation package and benefits.

• Considering my qualifications and experience, I believe I deserve a higher salary.

• I am open to negotiation and would like to explore the possibility of a higher pay.

• A fair and ...read more

A computer network is a group of interconnected devices that can communicate with each other and share resources.

• Computer network allows devices to share data, resources, and information.

• Examples of computer networks include LAN, WAN, and the Internet.

• Linux is an open-source operating system that is widely used in computer networks.

• OSI Layers are a set of protocols that define how data is transmitted over a network.

• The...read more

Yes, I am comfortable with rotational shifts and the offered package.

• I have prior experience working in rotational shifts and can manage my schedule accordingly.

• I am open to learning and adapting to new work environments.

• The offered package is acceptable to me based on my skills and experience.

• I am excited about the opportunity to work as a System Engineer and contribute to the company's success.