Online Access Free XK0-004 Practice Test
| Exam Code: | XK0-004 |
| Exam Name: | CompTIA Linux+ Certification Exam |
| Certification Provider: | CompTIA |
| Free Question Number: | 485 |
| Posted: | Jul 17, 2026 |
A newly deployed application is not able to reach the database that is running on a Linux server. The connection should occur at port 1521/tcp from appsrv 192.168.1.11 to dbsrv 192.168.1.12.
A server administrator runs a few diagnostic commands with following results:
The same command when run from the application server gives the following result:
Both machines are in the same IP subnet, so no external network device is causing the issue.
Which of the following commands BEST solves the connectivity issue at the dbsrv machine? (Select TWO).
A server administrator is given the hash of an account password that needs to be synchronized across all servers.
Which of the following will allow the server administrator to configure the account password?
A systems administrator wants to install a new application that requires the newmod kernel module. Which of the following commands should the systems administrator use?
An administrator is reviewing web application logs and discovers several external addresses are trying to perform port scans, SQL injections, or URL oVectory traversal attacks The administrator is able to create an automated security log for malicious traffic IP addresses and requests The secunty administrator then uses the following information to protect the server:
Which of the following actions should the security administrator recommend to protect the server?