Online CCNA Courses

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that you need to make your first steps into the networking
and to prepare for your future exams.

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The Newest Courses

CUCM Basics

Need to know

Cisco IOS Licensing Overview

After completing this topic, you should be able to recognize features of different technology package licenses, how to obtain and how to apply your IOS licenses.
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IPv6 Unicast Addressing

After completing this topic, you should be able to describe IPv6 unicast addresses and EUI-64 interface ID assignment.
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Understanding Switch Security

Switch security from various levels - physical perspective, port end device level. The best practices to mitigate threats.
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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.
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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.
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Network Topologies and Functions

Fundamentals of computer networking. List of common components of a typical network and network diagrams. The network is all about transporting applications.
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Latest security threats

Thu, 13 Dec 2018 20:58:56 CST

Texas Instruments Bluetooth Low Energy Denial of Service and Remote Code Execution Vulnerability

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Mon, 10 Dec 2018 18:27:03 CST

Cisco Prime License Manager SQL Injection Vulnerability

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Wed, 05 Dec 2018 16:34:38 CST

Apache Struts Commons FileUpload Library Remote Code Execution Vulnerability Affecting Cisco Products: November 2018

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Tue, 04 Dec 2018 16:00:00 CST

Cisco Energy Management Suite Default PostgreSQL Password Vulnerability

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Tue, 27 Nov 2018 16:01:05 CST

Cisco Webex Meetings Desktop App Update Service Command Injection Vulnerability

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Tue, 20 Nov 2018 18:27:05 CST

Cisco TelePresence Video Communication Server Test Validation Script Issue

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