HCL Technologies Limited is a multinational IT services company, headquartered in Noida, Uttar Pradesh, India. It is a subsidiary of HCL Enterprise.

As per your demand here I am providing you list of the questions that may be asked during Network Engineer post interview in this company

-Describe the OSI model.

-What is the difference between a repeater, bridge, router? Relate this to the OSI model.

-Describe an Ethernet switch and where it fits into the OSI model.

-What is a VLAN? What is an ELAN? What is the difference?

-Relate FDDI/ATM/SONET to the OSI model.

-Explain how to configure a host network interface (e.g. IP address, netmask, broadcast address)?

-Describe Ethernet packet contents: min/max size, header.

-Describe TCP/IP and its protocols.

-Describe ATM and what are its current advantages and disadvantages.

-Describe SONET.

-What are the maximum distances for CAT5 cabling?

-Describe UDP and TCP and the differences between the two.

-What is your current IP address? Hoiw do you find that out on different OSs?

-Describe what a broadcast storm is.

-Describe what a runt, a giant, and a late collision are and what causes each of them.

-How do you distinguish a DNS problem from a network problem?

-Describe the Bandwidth Delay problem.

-Describe the principle of multi-layer switching.

-Describe the purpose and basic functionality of things like HSRP, VRRP etc.