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

Wed, 7 Feb 2024 16:00:00 PST

ClamAV OLE2 File Format Parsing Denial of Service Vulnerability

Read more
Wed, 7 Feb 2024 16:00:00 PST

Cisco Expressway Series Cross-Site Request Forgery Vulnerabilities

Read more
Tue, 6 Feb 2024 18:30:17 PST

Multiple Cisco Products Snort 3 Access Control Policy Bypass Vulnerability

Read more
Mon, 5 Feb 2024 17:23:14 PST

Cisco Unity Connection Unauthenticated Arbitrary File Upload Vulnerability

Read more
Wed, 31 Jan 2024 3:16:46 PST

Cisco Unified Communications Products Remote Code Execution Vulnerability

Read more
Thu, 25 Jan 2024 0:00:00 PST

Cisco Unity Connection Cross-Site Scripting Vulnerability

Read more