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Network And Security Engineer Interview Questions

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606 network and security engineer interview questions shared by candidates

Can you explain your experience with network security protocols and technologies? How do you approach identifying and mitigating security vulnerabilities in a network? Describe a challenging security incident you resolved. What was your role, and what steps did you take? How do you stay updated on the latest trends and threats in network security? Can you discuss your experience with firewall configuration and rule management? In what ways do you ensure compliance with security policies and industry regulations? Describe a time when you collaborated with other teams to enhance overall network security. How do you handle security incidents and communicate with stakeholders during and after an incident? Can you explain your experience with intrusion detection and prevention systems? How would you approach designing and implementing a secure network architecture?
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Network Security Engineer

Interviewed at Nutanix

3.8★
Nov 16, 2023

Can you explain your experience with network security protocols and technologies? How do you approach identifying and mitigating security vulnerabilities in a network? Describe a challenging security incident you resolved. What was your role, and what steps did you take? How do you stay updated on the latest trends and threats in network security? Can you discuss your experience with firewall configuration and rule management? In what ways do you ensure compliance with security policies and industry regulations? Describe a time when you collaborated with other teams to enhance overall network security. How do you handle security incidents and communicate with stakeholders during and after an incident? Can you explain your experience with intrusion detection and prevention systems? How would you approach designing and implementing a secure network architecture?

1. OSI Ref Model/TCP-IP Model · Explanation of each layer · Protocols at each layer 2. ARP · Packet structure ARP, GARP · Diff between ARP & GARP 3. Ethernet Frame · Fields in Ethernet II frame · Size of Ethernet Frame · LLC & MAC Sublayer 4. IP · Fields in IP header · Importance of Identification field, Flags, Fragment Offset · Fragmentation-Importance, Detailed understanding of how packet is reassembled · Path MTU Discovery 5. TCP · 3 way handshake · Parameters Informed, negotiated in TCP
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Network Security

Interviewed at Barracuda Networks

3.2★
Sep 19, 2016

1. OSI Ref Model/TCP-IP Model · Explanation of each layer · Protocols at each layer 2. ARP · Packet structure ARP, GARP · Diff between ARP & GARP 3. Ethernet Frame · Fields in Ethernet II frame · Size of Ethernet Frame · LLC & MAC Sublayer 4. IP · Fields in IP header · Importance of Identification field, Flags, Fragment Offset · Fragmentation-Importance, Detailed understanding of how packet is reassembled · Path MTU Discovery 5. TCP · 3 way handshake · Parameters Informed, negotiated in TCP

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