Pergunta de entrevista da empresa Barracuda Networks

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