Configuration network equipment to support basic or complex environments is useless unless an engineer can configure and troubleshoot network applications on end-user PCs.
- [Instructor] It seems that … no matter how high on the ladder of success I climb, … I will always end up walking someone through … the same basic steps to find their IP, DNS servers, … perform a ping or traceroute, and verify their ARP entry. … The domain name system, or DNS, … is a means to refer to an IP address … via an easier-to-remember ASCII name. … If I want to reach my personal web server, … I can browse to it by memorizing the IP, … 184.108.40.20652, … and typing it in, or I can simply browse to gregsolo.com. … In essence, a client device will probe … their configured DNS servers for resolution. … The DNS server will then pass back … the corresponding IP address, … and then the client can continue along their way. … I'll also check the cached entries … in the Address Resolution Protocol table. … When a device on the network wants to … move down the OSI model, it must do a lookup … to find out what MAC address at Layer 2 corresponds … to what IP address at Layer 3. … A device will send an ARP …
Note: A complete overview of the exam and registration instructions can be found at https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/ccna-200-301.html.
- Network models
- Network components
- Troubleshooting the interface and cable issues
- Configuring IPv4 and IPv6 addressing
- Switching concepts
- Switching configuration
- Wireless architectures
- Wireless security
Skill Level Intermediate
Networking Foundations: IP Addressingwith Timothy Pintello2h 35m Intermediate
1. Network Fundamentals
2. Network Access
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