Cisco Network Engineer Mock Interview
Master 30 Cisco Network Engineer interview questions covering routing protocols, network security, and troubleshooting scenarios.
Question 16 of 30
What are the IP classes that make up an IP address?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
A key skill every qualified network engineer should possess is to break down complex concepts into understandable terms. A Cisco interviewer may ask you a question like this in order to test your ability to clearly communicate a potentially complex or technical answer. They may not be interested in your specific answer to this question but rather how you go about formulating it. As with most questions, keep your answers direct and to the point, and be prepared for a follow-up question that the interviewer may use to explore the topic in more detail.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"An IP address has four sets or octets of numbers each with a value up to 255. These are known as IP classes. There are three types of IP classes. Each is based on the first octet of IP addresses and is classified as A, B or C. For example, If the first octet begins with 0 bit, then it is of type Class A. Class A has a range up to 127.x.x.x. If it starts with bits 10, it belongs to Class B and ranges from 128.x to 191.x. Finally, the IP class belongs to Class C if the octet starts with bits 110 and has a range from 192.x to 223.x."
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