Sify Technologies Network Engineer Interview Questions and Answers for Freshers

Q1. OS upgrade process of F5 devices
Ans. 
The OS upgrade process for F5 devices involves careful planning, execution, and validation to ensure network reliability.
• Backup current configuration and data before starting the upgrade.

• Download the latest OS version from the F5 support site.

• Use the F5 Configuration Utility or CLI to upload the new OS image.

• Verify the integrity of the uploaded image using checksum.

• Schedule a maintenance window to minimize impact on us...read more
Answered by AI
Add your answer
Q2. How to troubleshoot APM sign on issues
Ans. 
Troubleshooting APM sign-on issues involves checking configurations, logs, and network connectivity.
• Verify user credentials: Ensure the username and password are correct.

• Check APM configuration: Review the APM settings for any misconfigurations.

• Inspect logs: Look at the APM logs for error messages or warnings.

• Network connectivity: Ensure there are no network issues preventing access.

• Test with different browsers: Someti...read more
Answered by AI
Add your answer

Q1. Packet flow in PALO ALTO FIREWALL?
Ans. 
Packet flow in Palo Alto Firewall involves multiple stages including ingress, policy lookup, security policy enforcement, NAT, and egress.
• Packet enters the firewall through an ingress interface

• Firewall performs policy lookup to determine if the packet should be allowed or denied

• If allowed, the packet goes through security policy enforcement which includes threat prevention, URL filtering, etc.

• NAT (Network Address Trans...read more
Answered by AI
Add your answer
Q2. Ospf states and explain?
Ans. 
OSPF (Open Shortest Path First) is a routing protocol used to determine the best path for data packets in a network.
• OSPF is a link-state routing protocol

• It uses Dijkstra's algorithm to calculate the shortest path

• OSPF routers exchange link-state advertisements (LSAs)

• It supports VLSM (Variable Length Subnet Masking)

• OSPF areas are used to divide large networks into smaller segments
Answered by AI
Add your answer
Q3. Election of DR AND BDR IN OSPF?
Ans. 
DR and BDR in OSPF are elected based on priority values, with the highest priority becoming the DR and the second highest becoming the BDR.
• DR and BDR are elected within the OSPF network to ensure efficient communication and redundancy.

• The election process is based on priority values assigned to each router, with the highest priority becoming the DR and the second highest becoming the BDR.

• If two routers have the same pr...read more
Answered by AI
Add your answer

English , GK, arithmetic

Q1. Asking interview questions
Add your answer
Q2. Company culture and values
Add your answer
Q3. Benifits of a device bias
Ans. 
Device bias can lead to improved performance, efficiency, and user experience in network engineering.
• Device bias can result in optimized network traffic routing, leading to faster data transmission.

• It can enhance security measures by prioritizing certain devices for access control and monitoring.

• Device bias can improve overall network stability and reliability by allocating resources more effectively.

• For example, imple...read more
Answered by AI
Add your answer