Certified Advanced Networking and System Architect (CANSA)
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Certified Advanced Networking and System Architect (CANSA)
- Cosmic Infosolutions
- March 02, 2025
1. Network Fundamentals
- Introduction to computer networks and their applications in real-world environments.
- Components of data communication: sender, receiver, transmission medium, message, and protocol.
- Communication modes: Simplex, Half-Duplex, Full-Duplex.
- Types of physical topologies: Mesh, Star, Ring, Bus, Hybrid.
- Overview of networking cables: Coaxial, Twisted Pair, Fiber Optics, RJ-45 connectors.
- Client-server vs. peer-to-peer architectures.
- LAN, MAN, WAN – Definitions and use cases.
2. OSI and TCP/IP Models
- Deep dive into the OSI 7-layer model: role and function of each layer.
- Understanding protocol encapsulation, headers, footers, and payloads.
- TCP/IP 4-layer architecture and comparison with OSI.
- Common protocols and their layers: HTTP, FTP, TCP, UDP, ICMP, etc.
3. Internet and Protocols
- History and evolution of the Internet (ARPANET to TCP/IP).
- Domain Name System (DNS) and IP address resolution.
- Introduction to protocols: HTTP, SMTP, FTP, DNS, and more.
- Understanding IP addressing and ports (well-known, registered, and ephemeral).
4. IPv4 and IPv6 Addressing
- IPv4 address structure, classes, and subnetting.
- CIDR notation, private/public IP ranges.
- Fragmentation and reassembly of IP packets.
- IPv6 overview, benefits, addressing, and transition from IPv4.
5. Subnetting, Supernetting, and VLSM
- Subnetting theory and practical examples.
- Variable Length Subnet Masking (VLSM).
- Supernetting and address aggregation.
- Calculating subnets, ranges, and broadcast addresses.
6. Routing and Switching
- Static vs Dynamic Routing.
- Routing protocols: RIP, OSPF, BGP.
- Switching basics, VLANs, VTP, and trunking.
- Layer 2/3 switching concepts and devices.
7. Network Security and Access Control
- Network Address Translation (NAT) and types.
- Virtual Private Network (VPN) concepts and tunneling protocols.
- Access Control Lists (ACLs) – standard, extended, and named.
- Introduction to firewalls, IDS/IPS (including Snort), and IPTables.
8. Packet Analysis and Network Tools
- Understanding network packets and headers (TCP, UDP, IP, ICMP).
- Tools: Wireshark for deep packet inspection.
- Ping, Traceroute, Netstat, Netsh, and Ipconfig for troubleshooting.
- Packet capturing and analysis for incident response.
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