Network Engineer Mock Interview
Practice 30 Network Engineer interview questions covering routing protocols, network security, and troubleshooting scenarios.
Question 30 of 30
What is a common way hackers attempt to shut down an organization's network?
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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.
One of the key functions network engineers perform is to ensure that the company's network is kept secure and always available to authorized users. This requires network engineers to be familiar with various threats hackers use to either penetrate the network or shut it down. Interviewers will ask you about your knowledge of these threats to confirm that you know how to either prevent or remediate them. Since these threats are continually evolving, you may also be asked how you maintain your knowledge of these and stay on top of new ways hackers can infiltrate a network.
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.
"One of the more common ways bad actors attempt to shut down a company's network infrastructure is through Denial-of-Service attacks, also known as DoS. These types of attacks occur when hackers flood the network with a high number of requests. These requests overload the servers and prevent them from processing legitimate network traffic from authorized users. The key to remediate Denial-of-Service attacks is to quickly identify them and route the traffic they are creating outside of the network. I also employ preventive measures such as firewalls and robust user authentication to prevent DoS attacks from occurring."
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A common way hackers attempt to shut down an organization is through Denial of Service and distributed denial of service attacks. A denial of service attack floods a server with traffic, making a website or resource unavailable. A distributed denial of service attack is a DoS attack that uses multiple computers or machines to flood a targeted resource. Both types of attacks overload a server or web application to interrupt services. As the server is flooded with more TCP/UDP packets than it can process, it may crash, the data may become corrupted, and resources may be misdirected or even exhausted to the point of paralyzing the system.
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