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CompTIA Security+ Certification Sample Questions:

1. Input validation is an important security defense because it:

A) enables verbose error reporting.
B) protects mis-configured web servers.
C) prevents denial of service attacks.
D) rejects bad or malformed data.

2. During a penetration test from the Internet, Jane, the system administrator, was able to establish a connection to an internal router, but not successfully log in to it. Which ports and protocols are MOST likely to be open on the firewall? (Select FOUR).

A) 21
B) Rlogin
C) Rsync
D) Telnet
E) 69
F) SSH
G) 3389
H) 23
I) Terminal services
J) 22

3. Which of the following can be used to maintain a higher level of security in a SAN by allowing isolation of mis-configurations or faults?

A) VSAN
B) Protocol security
C) Port security
D) VLAN

4. A company's employees were victims of a spear phishing campaign impersonating the CEO. The company would now like to implement a solution to improve the overall security posture by assuring their employees that email originated from the CEO. Which of the following controls could they implement to BEST meet this goal?

A) Digital signatures
B) Digital certificates
C) Antivirus software
D) Spam filter

5. A security administrator forgets their card to access the server room. The administrator asks a coworker if they could use their card for the day. Which of the following is the administrator using to gain access to the server room?

A) Spoofing
B) Tailgating
C) Man-in-the-middle
D) Impersonation

Solutions: