Senior Network Engineer Mock Interview
Master 30 Senior Network Engineer interview questions covering routing protocols, network security, and infrastructure design.
Question 9 of 30
Can you describe what each component of the sub-net mask 255.255.254.0 represents?
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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.
Knowing and describing the components of a subnet mask provided by the interviewer will demonstrate your qualifications in managing networks, IP addresses, and the number of nodes the network can contain. When responding to this question, start by defining a subnet mask and discuss each of the four fields. The interviewer may ask you a follow-up question to clarify your response or explore it in more detail. Try to keep your answers as non-technical as possible, avoiding acronyms and jargon.
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 subnet mask is a 32-bit number which separates the IP address into the network and host addresses. The first 255 in the subnet mask is assigned to a broadcast address, the second 255 is assigned to a network address, while the 254 and 0 are assigned to host addresses. In this address, the last nine bits designated by the 254 and 0 define the number of hosts. Therefore the subnet can contain up to 510 nodes plus the network and broadcast servers."
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