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Hierarchical Network Design To meet a customer's business and technical goals for a corporate network design, you might need to recommend a  network topology  consisting of many interrelated components. This task is made easier if you can "divide and conquer" the job and develop the design in layers.  Network design experts have developed the  hierarchical network design model  to help you develop a  topology  in discrete layers.  A hierarchical network design model breaks the complex problem of network design into smaller, more manageable problems. Each level, or tier in the hierarchy addresses a different set of problems. This helps the designer optimize network hardware and software to perform specific roles. For example, devices at the lowest tier are optimized to accept traffic into a network and pass that traffic to the higher layers. Cisco offers a three-tiered hierarchy as the preferred approach to network design. In the three-layer network design model,

Here are few python codeexamples, you can check them online. 1. Password Generator. 2. Web Scraping.

Excel Spell Number Function Excel Functions:                                   A  formula  is an expression which calculates the value of a cell.  Functions  are predefined formulas and are already available in  Excel. These functions and formulas are predefine and limited so what if your desire Function is not available in excel? For our desire output or Function we use VBA Visual Basic for Application and write code for our Macro that return our required output .  Visual Basic for Applications  ( VBA ) is an implementation of  Microsoft 's  event-driven programming  language  Visual Basic  6, which was discontinued in 2008, and its associated  integrated development environment  (IDE). Although Visual Basic is no longer supported or updated by Microsoft, the VBA programming language was upgraded in 2010 with the introduction of Visual Basic for Applications 7 in Microsoft Office applications. Click here to Download SpellNumber Add-ins and watch a video tutorial how to

What is Web Scraping?        Web Scraping is known by many other names, depending on how a company likes to call it, Screen Scraping, Web Data Extraction, Web Harvesting and more, is a technique employed to extract large amounts of data from websites. Web scraping is a term for various methods used to collect information from across the Internet. Generally, this is done with software that simulates human Web surfing to collect specified bits of information from different websites. Web scraping is about downloading structured data from the web, selecting some of that data, and passing along what you selected to another process. Web scraping is essentially a form of data mining.  Items like weather reports, auction details, market pricing, or any other list of the collected data can be sought in Web scraping efforts. Data displayed by most websites can only be viewed using a web browser. They do not offer the functionality to save a copy of this data for personal use. Th

What is Data Science and a Data Scientist ? Hi, this is Sami Zain , in this article I’m going to talk about the data scientist. So what is a data scientist? A data scientist is a professional responsible for collecting, analyzing and interpreting large amounts of data to identify ways to help a business improve operations and gain a competitive edge over rivals. The area of study which involves  extracting knowledge from data  is called Data Science  and people practicing in this field are called as  Data Scientists. Data scientists are a new breed of analytical data expert who have the technical skills to solve complex problems – and the curiosity to explore what problems need to be solved. They’re the part of the mathematician, part of the computer scientist, and part trend-spotter. And, because they straddle both the business and IT worlds, they’re highly sought-after and well-paid. Who  wouldn’t  want to be one? They’re also a sign of the times. Data scientists weren’

Free Download CCNA Dumps, Security Handouts,Lab Practice, Python Guide, Important Questions answers and many more at one place. Download method: 1. Click on any required book link 2. Wait 5 sec to preview ad. Note: "You must have turn off ad blocker if using any" 3. Click on "Skip Ad " button to go on real link 4. Wait to load mega page 5. Click on "Download" button if you are on computer or click on "Open in browser" button in mobile.  Note: This is Half material we will upload more soon....  Building Cisco Multilayer Switched Networks Vol.2. 9.0 MB  http://zipansion.com/3rNhM Building Cisco Remote Access Networks.pdf 5.8 MB  http://zipansion.com/3rNii Building Secure Wireless Networks with 802.11.pdf 5.8 MB  http://zipansion.com/3rNj5 Building the Network of the Future_ Getting Smarter, Faster, and More Flexible with a Software Centric Approach.pdf 36.8 MB  http://zipansion.com/3rNk9 Cabling - The C