Network Operations Interview Questions

8,259 network operations interview questions shared by candidates

Explain TCP handshakes, VPN configurations and implementations.  Experience with TCP/IP protocols HTTP, DNS, UDP, TCP, SMTP, DHCP, and FTP including RIP, OSPF.  Troubleshooting of infrastructure systems such as DNS, and firewalls.  Traffic Analyzing tools like Wireshark.  Cisco ASA deployment and configuration for Nationwide VPN connectivity to business partners.  Migrates Satellite Stations management server to CMA (DMS) in the Data Center Multi-Domain Manager (MDM) (Provider-1)
avatar

Network Security Engineer

Interviewed at Comet Networks

5
Nov 27, 2023

Explain TCP handshakes, VPN configurations and implementations.  Experience with TCP/IP protocols HTTP, DNS, UDP, TCP, SMTP, DHCP, and FTP including RIP, OSPF.  Troubleshooting of infrastructure systems such as DNS, and firewalls.  Traffic Analyzing tools like Wireshark.  Cisco ASA deployment and configuration for Nationwide VPN connectivity to business partners.  Migrates Satellite Stations management server to CMA (DMS) in the Data Center Multi-Domain Manager (MDM) (Provider-1)

1. What is Nexus? 2. What is VPC? 3. What is a port channel and its protocols? 4. What is Route Reflector and Confederations? 5. What is Source based routing/Destination based routing? 6. What is an ACL 7. What is NAT/PAT 8. Why is BGP stuck in Active state? 9. What are private VLANs 10. Do you know how to crimp a cable? 11. Do you prefer Vijayawada/Hyderabad? 12. What is BGP Full Mesh Rule? 13. Some basic questions on MPLS? 14. What is difference between a router and Switch? 15. Explain about broadcasting? 16. What is a VxLAN 17. What is IPv6 ? and you can expect many other questions. Although these are not necesary for the job. They ask for elemination purposes. So you are not expected to know all the answers.
avatar

Network Administrator

Interviewed at Akshara Enterprises

3.5
Aug 23, 2020

1. What is Nexus? 2. What is VPC? 3. What is a port channel and its protocols? 4. What is Route Reflector and Confederations? 5. What is Source based routing/Destination based routing? 6. What is an ACL 7. What is NAT/PAT 8. Why is BGP stuck in Active state? 9. What are private VLANs 10. Do you know how to crimp a cable? 11. Do you prefer Vijayawada/Hyderabad? 12. What is BGP Full Mesh Rule? 13. Some basic questions on MPLS? 14. What is difference between a router and Switch? 15. Explain about broadcasting? 16. What is a VxLAN 17. What is IPv6 ? and you can expect many other questions. Although these are not necesary for the job. They ask for elemination purposes. So you are not expected to know all the answers.

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