Online CCNA Courses

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The Newest Courses

CUCM Basics

Need to know

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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OSPFv3 Configuration for Multiarea

Describe the key characteristics of OSPFv3, configure OSPFv3, verify OSPFv3 configuration in multi-area deployment.
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How to Install Cisco Unified Communications Manager

A very detailed step-by-step guide of how to install the latest Cisco Unified Communications Manager (CUCM) on virtual environment. We need it for the lab used in the course.
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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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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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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

Fri, 31 Jul 2020 22:35:48 PDT

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Trustpoint Configuration Defaults

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Thu, 30 Jul 2020 17:13:13 PDT

Cisco SD-WAN Solution Software Buffer Overflow Vulnerability

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Wed, 29 Jul 2020 16:24:11 PDT

Cisco TelePresence Management Suite Web Services

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Wed, 29 Jul 2020 16:09:58 PDT

Multiple Vulnerabilities in Treck IP Stack Affecting Cisco Products: June 2020

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Wed, 29 Jul 2020 16:00:00 PDT

Cisco Data Center Network Manager Authentication Bypass Vulnerability

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Wed, 29 Jul 2020 16:00:00 PDT

Cisco SD-WAN vManage Software Authorization Bypass Vulnerability

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