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Which of the following commands should be run on each of the testing systems to BEST meet this goal?
A Linux administrator is setting up a testing environment and needs to connect to a separate testing server using the production server name. The administrator needs to override the hostname that the DNS is returning in order to use the test environment. Which of the following commands should be run...
Which of the following commands should be used to rescan the entire SCSI bus?
A Linux engineer is troubleshooting a newly added SCSI device for a Linux server that needed more disk space without rebooting. The engineer discovers that the new device is not visible by the Linux kernel in fdisk -l output. Which of the following commands should be used to rescan the...
Which of the following could be used to install more Linux servers with the same characteristics?
A system administrator has deployed a Linux server based on an Anaconda process with all packages and custom configurations necessary to install a web server role. Which of the following could be used to install more Linux servers with the same characteristics?A . /etc/sysconfig/anaconda/cfg B. /root/anaconda.auto C. /root/anaconda-ks.cfg D. /etc/sysconfig/installation.cfgView...
Which of the following will the administrator use to find all unsuccessful login attempts?
An administrator is analyzing a Linux server which was recently hacked. Which of the following will the administrator use to find all unsuccessful login attempts?A . nsswitch B. faillock C. pam_tally2 D. passwdView AnswerAnswer: C
To perform maintenance, which of the following series of commands can be used to prevent the service from being started?
A configuration management tool running every minute is enforcing the service HTTPd to be started. To perform maintenance, which of the following series of commands can be used to prevent the service from being started?A . systemctl stop httpd && systemctl mask httpd B. systemctl disable httpd && systemctl mask...
Which of the following is the BEST command for adding the proper kernel module to enable external storage modules?
A Linux administrator opens a ticket to have an external hard drive mounted. As a security policy, external storage kernel modules are disabled. Which of the following is the BEST command for adding the proper kernel module to enable external storage modules?A . rmmod /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko B. modinfo /lib/modules/3.6.12-100-generic/kernel/drivers/usb/storage/usb-storage.ko C. depmod...
Which of the following is another way to view the application log on this system?
An administrator needs to look at a log for an application on a systemd-based system. There is no log for this application in /var/log. Which of the following is another way to view the application log on this system?A . tail -f /var/log/secure B. journalctl Cu application C. systemctl application.service...
Which of the following are Linux desktop managers? (Choose two.)
Which of the following are Linux desktop managers? (Choose two.)A . KDE B. GNOME C. GUI D. VNC E. X11 F. SPICEView AnswerAnswer: D,E
Which of the following techniques did the administrator use?
A Linux administrator is using a public cloud provider to host servers for a company’s website. Using the provider’s tools, the administrator wrote a JSON file to define how to deploy the servers. Which of the following techniques did the administrator use?A . Infrastructure as code B. Build automation C....
Which of the following commands will help determine and isolate issues on the network side?
A systems administrator observes high latency values when reaching a remote web server. Which of the following commands will help determine and isolate issues on the network side?A . mtr B. dig C. netstat D. routeView AnswerAnswer: A Explanation: Reference: https://www.keycdn.com/support/what-is-latency
