Free Cisco Practice Tests
and Courses

Cisco Learning

LearnCisco.net is a community sharing the information
you need to prepare for your networking exams.

Feel free to spread the word and invite
other learners.

Latest Practice Tests

Newest Courses

Need to know

Router Internal Components Overview

After completing this topic, you should be able to distinguish between the major internal components of a router; describe the functions of ROM in a Cisco router.
Read more

Syslog Overview and Configuration

Match elements of syslog messages to their descriptions in an example. Configure syslog server on Cisco IOS devices.
Read more

PPP authentication. PAP vs CHAP

Describe PAP and CHAP authentication and configure CHAP authentication for PPP.
Read more

Developing an Optimum Design for Layer 2

Typical causes of network congestion. Presenting the bridge and the switch as alternative options to alleviate those issues.
Read more

Exploring the Packet Delivery Process

How packets go through devices at layers 1, 2, and 3. Mapping between layer 2 and 3 addresses by using ARP. Common tools to determine the path across the network.
Read more

Understanding The TCP/IP Transport Layer

How layer 4 can provide connection-oriented and connection-less services via TCP and UDP. A key component of TCP is flow control – sequence numbers, acknowledgement numbers, and slider windows.
Read more

Latest security threats

Tue, 5 Dec 2023 16:00:00 PST

Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Packet Validation Vulnerability

Read more
Tue, 5 Dec 2023 15:50:40 PST

HTTP/2 Rapid Reset Attack Affecting Cisco Products: October 2023

Read more
Fri, 17 Nov 2023 21:04:20 PST

Cisco Secure Web Appliance Content Encoding Filter Bypass Vulnerability

Read more
Thu, 16 Nov 2023 21:10:27 PST

Cisco Firepower Threat Defense Software and Cisco FirePOWER Services ICMPv6 with Snort 2 Denial of Service Vulnerability

Read more
Wed, 15 Nov 2023 16:00:00 PST

Cisco Secure Client Software Denial of Service Vulnerabilities

Read more
Wed, 15 Nov 2023 16:00:00 PST

Cisco IP Phone Stored Cross-Site Scripting Vulnerability

Read more