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CCNP Collaboration Question of the Week: CLI Command
You are troubleshooting video quality issues on a Cisco TelePresence system. Which CLI command shows the number of lost video packets and jitter during a call in progress? A. Show call statistics...
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CCNP Collaboration Question of the Week: PSTN Gateway
Two phones in the same cluster and location have a call currently connected. The site PSTN gateway loses connection with the Cisco Unified Communications Manager. Which two results do you expect?...
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CCNA Collaboration Question of the Week: Cisco TelePresence SX Endpoint
You want to configure a Cisco TelePresence SX endpoint to use static IP addressing for the TFTP server. Which path will you use to complete this configuration? A. Network Services > Network 1 >...
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Know Your Options Before Selecting a Routing Protocol
Routers and switches make up the bulk of the network infrastructure and are vulnerable to attack. In a previous article, I talked about some of the different ways of hardening your network devices. In...
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How to Reach Devices in Other Domains with IGP Route Redistribution
One size does not always fit all. At times there’s a need to run more than one routing protocol and have more than one routing domain: multivendor shops, migration from one protocol to another,...
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How to Troubleshoot Cisco’s Dynamic Multipoint VPN (DMVPN)
Dynamic Multipoint Virtual Private Network (DMVPN) is a network solution for those that have many sites that need access to either a hub site or to each other. It was designed by Cisco to help reduce...
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Tips for Implementing Network Programmability on Cisco Devices
As the size of data networks and data centers grow, so too does the burden on engineers who have to implement changes. Many organizations have hundreds and even thousands of networking devices....
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What’s New with Cisco Data Center Version 6.0 Certifications?
Starting off 2017 the right way, Cisco fully updated and released the new training program for the CCNA and CCNP Data Center certification tracks. The global market share of Cisco Nexus and UCS...
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How Precision Time Protocol (PTP) is Improving Accuracy One Clock at a Time
Precision Time Protocol (PTP) is a protocol designed to go beyond what Network Time Protocol (NTP) can offer relative to accuracy. PTP is IEEE standard 1588 that can give local computing systems...
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A Guide to Network Time Protocol (NTP)
What is Network Time Protocol (NTP)? Well, it’s a network protocol used to synchronize clocks between computing systems over a packet switched network. It’s been around since the mid-1980s and was...
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How to Control IGP Updates with Route Maps and Distribute Lists
The purpose of Interior Routing Protocols (IGP), and routing protocols more generally, is to advertise the existence of destination networks. All protocols then have some method of picking what they...
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Cisco Certifications are the Secret to Driving Success
Highly Motivated, Cross-Certified and Efficient: A Look into Cisco-Certified Professionals According to the 2017 Global Knowledge IT Skills and Salary Report, 86 percent of the more than 14,000...
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The Benefits of Cisco ACI in the Data Center
In 2013, Cisco released their Software Defined Networking (SDN) solution for the data center known as Cisco Application Centric Infrastructure (ACI). For many years, the networking industry has been...
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CCNA Data Center Question of the Week: VSAN
Pop quiz, hotshot! Are you preparing for CCNA Data Center certification? Take a minute to refresh your knowledge of Virtual Storage Area Networks (VSANs) with this question designed to test your...
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CCNA Data Center Question of the Week: Cisco Nexus Switch
Pop quiz, hotshot! Are you preparing for CCNA Data Center certification? Take a minute to refresh your knowledge of Cisco Nexus switches with this question designed to test your knowledge of material...
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CCNA Data Center Question of the Week: FabricPath
Pop quiz, hotshot! Are you preparing for CCNA Data Center certification? Take a minute to refresh your knowledge of FabricPath with this question designed to test your knowledge of material likely to...
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CCNA Collaboration Question of the Week: Cisco Unified Communications Components
Class is in session! Are you preparing for CCNA Collaboration certification? Take a minute to refresh your knowledge of Cisco Unified Communications components with this question designed to test your...
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CCNA Collaboration Question of the Week – End User Configuration
Class is in session! Are you preparing for CCNA Collaboration certification? Take a minute to refresh your knowledge of Cisco Unified Communications components with this question designed to test your...
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How Data is Delivered
Every second of every day, data is being sent and received. Billions of data packets are processed by your company’s network every day. In fact, you received dozens of packets just to read this...
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CCNA Collaboration Question of the Week: Out-of-Band Management
Class is in session! Are you preparing for CCNA Collaboration certification? Take a minute to refresh your knowledge of Cisco Unified Communications components with this question designed to test your...
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