QuestionQ322

Application Protocols

John types the URL http://www.cisco.com/web/learning into a web browser. A web page appears after he submits the URL. Which of the following protocols resolves www.cisco.com to the correct IP address?

  • A DNS
  • B SMTP
  • C DHCP
  • D ARP
Explanation

DNS resolves a domain name such as www.cisco.com to the IP address needed to reach the web server.

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