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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.
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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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PPP authentication. PAP vs CHAP

Describe PAP and CHAP authentication and configure CHAP authentication for PPP.
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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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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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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.
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Latest security threats

Wed, 29 Mar 2023 21:04:31 PST

Cisco Application Policy Infrastructure Controller and Cisco Cloud Network Controller Cross-Site Request Forgery Vulnerability

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Tue, 28 Mar 2023 21:05:11 PST

Cisco Secure Network Analytics Remote Code Execution Vulnerability

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Mon, 27 Mar 2023 21:11:52 PST

Cisco SD-WAN vManage Software Cluster Mode Cross-Site Request Forgery Vulnerability

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Mon, 27 Mar 2023 12:00:00 PST

Framing Frames: Bypassing Wi-Fi Encryption by Manipulating Transmit Queues Affecting Multiple Cisco Products

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Fri, 24 Mar 2023 19:59:49 PST

Cisco IOS XE Software Privilege Escalation Vulnerability

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Fri, 24 Mar 2023 18:16:56 PST

Cisco FXOS Software and UCS Manager Software Configuration Backup Static Key Vulnerability

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