Online CCNA Courses

Cisco Learning is a community, trying to give you all of the information
that you need to make your first steps into the networking
and to prepare for your future exams.

Feel free to spread the word and invite
other professionals or beginners.

The Newest Courses

CUCM Basics

Need to know

Establishing OSPF Neighbor Adjacencies. Hello Packet

After completing this topic, you should be able to identify information contained in a hello packet.
Read more

Dynamic Trunking Protocol (DTP) Configuration

After completing this topic, you should be able to recognize the characteristics of Dynamic Trunking Protocol (DTP).
Read more

Exploring the Network Routing Process

Here we are exploring the packet routing process from the router's point of view!
Read more

Understanding the Challenges of Shared Local Area Networks

Requirements related to distance limitations and connectivity devices - hubs and switches. How they deal with collisions by defining collision domains.
Read more

Connecting to an Ethernet LAN

Connectivity requirements including the network interface card for hosts; different media like fiber and copper. Straight through and crossover cables.
Read more

Understanding the TCP/IP Internet Layer. Internal IP Addressing

IP protocol as an example of a layer 3 component. Reserved addresses, public and private addressing. Tools to determine the IP address of the host.
Read more

Latest security threats

2021-11-26 22:07:55.0

Multiple Vulnerabilities in Apache HTTP Server Affecting Cisco Products: November 2021

Read more
2021-11-18 22:48:15.0

Cisco Common Services Platform Collector Improper Logging Restriction Vulnerability

Read more
2021-11-18 22:48:14.0

Cisco Common Services Platform Collector Stored Cross-Site Scripting Vulnerability

Read more
2021-11-18 22:48:13.0

Cisco Common Services Platform Collector SQL Injection Vulnerability

Read more
2021-11-12 21:04:10.0

Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability

Read more
2021-11-12 18:15:57.0

Cisco Identity Services Engine Cross-Site Scripting Vulnerabilities

Read more