Online CCNA Courses

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The Newest Courses

ICND1 / CCENT
CCNA Voice

Need to know

Syslog Overview and Configuration

Match elements of syslog messages to their descriptions in an example. Configure syslog server on Cisco IOS devices.
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Multiarea OSPF Configuration and Verification

After completing this topic, you should be able to describe commands used to configure and verify a multiarea OSPF.
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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.
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The IPv6 Address

After completing this topic, you should be able to describe the features of IPv6 that make it an improvement on IPv4; recognize the shorthand notations for IPv6 addresses.
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Spanning-Tree Protocol Types

After completing this topic, you should be able to describe the characteristics of the different spanning-tree protocol types.
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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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Latest security threats

Mon, 02 Mar 2015 19:41:31 PST

GNU Bash Environment Variable Command Injection Vulnerability

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Fri, 27 Feb 2015 20:57:43 PST

GNU glibc gethostbyname Function Buffer Overflow Vulnerability

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Fri, 27 Feb 2015 15:19:43 PST

SSL Padding Oracle On Downgraded Legacy Encryption (POODLE) Vulnerability

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Mon, 02 Mar 2015 21:04:20 PST

Cisco Unified Web Interaction Manager Cross-Site Scripting Vulnerability

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Fri, 27 Feb 2015 18:50:44 PST

Cisco ACE 4710 Application Control Engine and Application Networking Manager Cross-Site Request Forgery Vulnerability

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Fri, 27 Feb 2015 18:17:06 PST

Cisco Common Services Cross-Site Scripting Vulnerability

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