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CompTIA Security+ Certification Sample Questions:

1. Which of the following ports is used for SSH, by default?

A) 12
B) 22
C) 32
D) 23

2. Which of the following BEST describes part of the PKI process?

A) User1 decrypts data with User2's private key
B) User1 encrypts data with User2's public key
C) User1 hashes data with User2's private key
D) User1 hashes data with User2's public key

3. Which of the following firewall rules only denies DNS zone transfers?

A) deny udp any any port 53
B) deny all dns packets
C) deny tcp any any port 53
D) deny ip any any

4. A system administrator has noticed vulnerability on a high impact production server. A recent update was made available by the vendor that addresses the vulnerability but requires a reboot of the system afterwards. Which of the following steps should the system administrator implement to address the vulnerability?

A) Test the update in a lab environment, schedule downtime to install the patch, install the patch and reboot the server and monitor for any changes
B) Test the update in a lab environment, backup the server, schedule downtime to install the patch, install the update, reboot the server, and monitor for any changes
C) Backup the server, schedule downtime to install the patch, installs the patch and monitor for any changes
D) Test the update in a lab environment, backup the server, schedule downtime to install the patch, install the patch, and monitor for any changes

5. A security administrator has configured FTP in passive mode. Which of the following ports should the security administrator allow on the firewall by default?

A) 21
B) 22
C) 20
D) 23

Solutions: