MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Distributed Operating System knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In the bash shell, command history is controlled by which group of the following environment variables? |
| A. | HISTFILE, HISTFILESIZE, EDITOR |
| B. | HISTFILE, HISTSIZE, HISTFILESIZE |
| C. | HISTSIZE, HISTFILESIZE, EDITOR |
| D. | HISTSIZE, HISTOPTIONS, EDITOR |
| Answer» C. HISTSIZE, HISTFILESIZE, EDITOR | |
| 2. |
You do not know which NIC you have in your workstation. You only know that it is a PCI NIC. Which command(s) can help you find out more? |
| A. | devscan pci |
| B. | lspci |
| C. | ioscan -funC lan |
| D. | cat /proc/pci | more |
| Answer» C. ioscan -funC lan | |
| 3. |
Your /etc/securetty file contains the following line:tty1Also your /etc/pam.d/login file has the following line at the top:auth sufficient /lib/security/pam_securetty.soThis means that: |
| A. | Only root can login at tty1 without password |
| B. | All users can login without passwords |
| C. | All users excluding root can login at tty1 without passwords |
| D. | No user can login at tty1 without password |
| Answer» C. All users excluding root can login at tty1 without passwords | |
| 4. |
WHICH_IS_NOT_AN_EXAMPLES_OF_STATE_INFORMATION_??$ |
| A. | Mounting information |
| B. | Description of HDD space |
| C. | Session keys |
| D. | Lock status |
| Answer» C. Session keys | |