#Sitesucker windows genealogy how to

> Understand which device operates at which OSI layer: Hub Switch / Managed vs Unmanaged - Firewall - IDS/IPS

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> How to read packet headers - Know common packet header information for IP, TCP, UDP > Troubleshooting Methodology: Understanding of Network Address Translation (NAT) / Port Address Translation (PAT) / Understanding of Proxies / Overview of Virtual Private Networks (VPNs) > Active vs Passive data transfer / SSH / SSH handshake / Telnet /Telnet Handshake / SMTP / SMTP handshake (Mail from/ RCPT ) / How attachments are handled Network > Understanding of major (everyday Layer 7) services/protocols: DNS DHCP HTTP HTTP Header Fields HTTP Status Codes - How HTTP maintains state - HTTPS vs HTTP / FTP > Overview of TCP/IP Layer model: ARP / Client & Server communication model / Ports common services run on / Ephemeral port vs Well known ports > Networking: Good understanding of OSI layer model / Communication flow through each layer / Functions of each layer / Major protocols in each layer / In-depth understanding Layer 3 & Layer 4 protocols / IP, ICMP Protocols (layer 3) / TCP, UDP Protocols (layer 4) # These are the basic competencies expected (and tested for during the in-person technical interview) by one of the largest, most visible InfoSec companies # on Earth. # Basic knowledge requirements for Red Teaming, PenTesting, Hacking & Cybersecurity The arsenal, armory & library by Maderas #CyberpunkisNow)