1. Which of the following service may under anti-DDOS attack? (the number of correct answers: 3)(Select 3answers)
A) any device internet reachable B) public DNS service C) servers in VPC only configured with private network D) offline servers E) government website
2. Which of following statements about the possible reasons that cause web server vulnerabilities are true? (the number of correct answers: 2)(Select 2answers)
A) Bugs generated during common component development B) Hardware configuration is not up to date C) End user didn't follow the user manual D) Software used or OS itself contain some logic flaw
3. Alibaba Cloud offers different security protection plans to different tenant accounts. Which of the following is NOT a security plan offered by Alibaba Cloud?
A) Password-free login B) Phone or email verification for password resetting C) Two-factor authentication D) Phone number binding
4. Which Internet protocol is used to implement Linux shell command 'ping'?
A) ICMP B) PING C) UDP D) TCP
5. Which of the following issues will NOT be an issue anymore using Alibaba Cloud ECS server?
A) hardware disk or memory broken B) infection by Trojan Virus C) application vulnerability being leveraged by hackers D) server is under brute force password hacking
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