Online CCNA Courses

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The Newest Courses

CUCM Basics

Need to know

Managing Cisco IOS Image Files

Describe the process of locating the Cisco IOS image. Explain an IOS image filename. Sequence the steps to upgrade Cisco IOS images.
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Router Power-On Boot Sequence. Configuration Register Values.

Sequence the events that occur during a router boot. Identify the correct change to the boot information in the configuration register in a scenario.
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PPP authentication. PAP vs CHAP

Describe PAP and CHAP authentication and configure CHAP authentication for PPP.
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OSPF Data Overview

Recognize advantages of link-state routing protocols over distance vector routing protocols; apply the OSPF metric to compare two paths.
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Network Address Translation

Providing Internet access by configuring network address translation (NAT) in your Internet router. Port address translation (PAT) explained.
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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.
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Latest security threats

Thu, 08 Dec 2016 15:19:38 CST

Cisco IOS and IOS XE Software IPv6 First Hop Security Denial of Service Vulnerabilities

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Wed, 07 Dec 2016 23:32:28 CST

Cisco Email Security Appliance Content Filter Bypass Vulnerability

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Wed, 07 Dec 2016 21:31:06 CST

Vulnerability in Linux Kernel Affecting Cisco Products: October 2016

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Wed, 07 Dec 2016 17:03:49 CST

Cisco IOS Software and IOS XE Software Internet Key Exchange Version 2 Denial of Service Vulnerabilities

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Wed, 07 Dec 2016 16:00:00 CST

Cisco AnyConnect Secure Mobility Client Local Privilege Escalation Vulnerability

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Wed, 07 Dec 2016 16:00:00 CST

Cisco Web Security Appliance Drop Decrypt Policy Bypass Vulnerability

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