Category: Security

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QUESTION 54
Four weeks ago, a network administrator applied a new IDS and allowed it to gather baseline data. As rumors of a layoff began to spread, the IDS alerted the network administrator that access to sensitive client files had risen far above normal. Which of the following kind of IDS is in use?
A. Protocol based
B. Heuristic based
C. Signature based
D. Anomaly based
Correct Answer: D Explanation  c2020-703 exam
QUESTION 55
An organization recently switched from a cloud-based email solution to an in-house email server. The firewall needs to be modified to allow for sending and receiving email. Which of the following ports should be open on the firewall to allow for email traffic? (Select THREE).
A. TCP 22
B. TCP 23
C. TCP 25

D. TCP 53
E. TCP 110
F. TCP 143
G. TCP 445
Correct Answer: CEF Explanation
QUESTION 56
A new web server has been provisioned at a third party hosting provider for processing credit card transactions. The security administrator runs the netstat command on the server and notices that ports 80, 443, and 3389 are in a ‘listening’ state. No other ports are open. Which of the following services should be disabled to ensure secure communications?
A. HTTPS
B. HTTP
C. RDP
D. TELNET
Correct Answer: B Explanation https://certification.comptia.org/certifications/security
QUESTION 57
A company hosts its public websites internally. The administrator would like to make some changes to the
architecture.
The three goals are:

(1)
reduce the number of public IP addresses in use by the web servers

(2)
drive all the web traffic through a central point of control

(3)
mitigate automated attacks that are based on IP address scanning

A.

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