Overview
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Explore the main methods for troubleshooting network connectivity issues using different protocols and command-line (CLI) tools
Syllabus
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Introduction
- Networking protocols and CLI tools
- What you should know
- Protocols
- Connection-oriented vs. connectionless protocols
- Port addresses
- The difference between packets and frames
- Understand ARP and RARP
- Utilizing ICMP
- How IGMP is used with multicast
- DNS and NetBIOS in your environment
- HTTP operation
- HTTPS's role in securing browsing
- Exchanging email with POP, IMAP, and SMTP
- VoIP protocols (voice over a network)
- Transferring files via FTP and TFTP
- Network files via SMB
- Secure network communication via SSH
- Remote desktops: RDP, VNC, and cloud based
- Network management via SNMP
- DHCP's role in modern networks
- Using ipconfig and ifconfig to verify IP settings
- Utilizing network tools: ping, tracert, and pathping
- Verify address mapping via the ARP command
- The Telnet tool's multiple uses
- Netstat's operation
- Networking next steps
