COMPUTER FUNDAMENTALS

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COMPUTER NETWORKS AND COMMUNICATIONS

NETWORK SECURITY AND CYBERSECURITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A hacker uses hundreds of different IP addresses to overrun a bank’s website with requests. This effectively shuts down the website and prevents any Internet users from accessing it. Which of the following is the name for this kind of attack?
A
DNS Spoofing
B
404 Error
C
Denial of service
D
Distributed denial of service
Explanation: 

Detailed explanation-1: -What is a DNS spoofing attack? A hacker overwrites the data for a given domain name in a DNS servers, causing the IP for that domain to point to the hacker’s website rather than the intended website. Ransomware is a relatively new form of attack on a computer system.

Detailed explanation-2: -In a distributed denial-of-service (DDoS) attack, multiple compromised computer systems attack a target and cause a denial of service for users of the targeted resource. The target can be a server, website or other network resource.

Detailed explanation-3: -Which of the following best explains the relationship between the Internet and the World Wide Web? The Internet is a network of interconnected networks, and the World Wide Web is a system of linked pages, programs, and files that are accessed via the Internet.

Detailed explanation-4: -Which of the following situations describes the human component of phishing? A hacker identifies a company to impersonate, then develops a believable email to distribute to a mass address list.

There is 1 question to complete.
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