Uniform Resource Locator (URL) structure

An URL is a string of characters that contains information about how to fetch a resource from its location. An URL specifies the primary access mechanism and the network location of a resource. A typical URL consists of the following components:

  1. the protocol used to connect to the server (e.g. HTTPS)
  2. the server hostname (e.g. geek-university.com)
  3. the document path (e.g. /course)


Here is a graphical representation of these components:

URL structure

URLs can also be used to reference documents other than the web sites. Here are some examples of using URLs to reference an FTP resource, mail address and local files:

  • ftp://www.geek-university.com/uploads.zip – refers to the uploads.zip file on the geek-university.com server that can be accessed using FTP
  • mailto:tuna@geek-university.com – a hyperlink that allows users to to send emails to tuna@geek-university.com using their default email client program.
  • file://C:\\images – used to open the C:\\images folder on the local computer

Prerequisites for 200-301

200-301 is a single exam, consisting of about 120 questions. It covers a wide range of topics, such as routing and switching, security, wireless networking, and even some programming concepts. As with other Cisco certifications, you can take it at any of the Pearson VUE certification centers.

The recommended training program that can be taken at a Cisco academy is called Implementing and Administering Cisco Solutions (CCNA). The successful completion of a training course will get you a training badge.

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