Please solve both Questions carefully.. Thanks 2- A security administrator at th
ID: 3906877 • Letter: P
Question
Please solve both Questions carefully.. Thanks
2- A security administrator at the corporation wishes is to secure Linux server that hosts multiple servers. The administration needs to ensure remote administration services remain accessible. Other services that need to remain accessible are SMTP, TFTP, DNS, and FTP. All other services should be inaccessible from the rest of the network. The administrator runs a network status on the server and receives the following output. PROTO LOCAL ADDRESS FOREIGN ADDRESS STATUS 0.0.0.0:22 0.0.0.0:25 0.0.0.0:53 0.0.0.0:69 0.0.0.0:88 0.0.0.0:110 127.0.0.1:123 127.0.0.1:631 192.168.1.10:20 192.168.1.10:21 192.168.1.10:67 192.168.1.10:143 :1:547 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: 0.0.0.0: LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING LISTENING TCP TCP TCP TCP TCP TCP TCP TCP TCP 0 TCP Which of the following action should the administrator take to meet these requirements? A) Block port 20, 22, 69, 143, and 547 on the host firewall B) Block port 20, 67, 123, 143, and 547 on the host firewall C) Block port 20, 88, 123, 547, and 531 on the host firewall D) Block port 21, 25, 88, 143, and 631 on the host firewall E) Block port 67, 80,110, 143, and 547 on the host firewall 3- separation of duties is considered which of the following control types? A) Responsive B) Technical C) Management D) PhysicalExplanation / Answer
Answer is as follows :
a) For given scenario the Port 20 is related to FTP servers scond connection from client to server and for first connection we use port 21. So in given case FTP are accessible. In given options A,B,C,D aeither port 20 or 21 is present. So we can't block them due to FTP requests. The remaining is option E i.e. correct answer.
The correct option is E
b) The seperation of duties is considered in technical control types.
So correct option is B.
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