A Linux administrator booted up the server and was presented with a non-GUI terminal. The administrator ran the command systemctl isolate graphical.target and rebooted the system by running systemctl reboot, which fixed the issue. However, the next day the administrator was presented again with a non-GUI terminal. Which of the following is the issue?

A.

The administrator did not reboot the server properly.

B.

The administrator did not set the default target to basic.target.

C.

The administrator did not set the default target to graphical.target.

D.

The administrator did not shut down the server properly.

At what point is the Internal Certificate Authority (ICA) created?

A.

During the primary Security Management Server installation process.

B.

Upon creation of a certificate

C.

When an administrator decides to create one

D.

When an administrator initially logs into SmartConsole.

A Linux administrator is trying to remove the ACL from the file /home/user/data. txt but receives the following error message:

Which of the following is causing the error message?

A.

The administrator is not using a highly privileged account

B.

The filesystem is mounted with the wrong options.

C.

SELinux file context is denying the ACL changes

D.

File attributes are preventing file modification

In order to copy data from another VLAN, a systems administrator wants to temporarily assign IP address 10.0.6 5/24 to the newly added network interface enp1s0f1. Which of the following commands should the administrator run to achieve the goal?

A.

ip addr add 10.0.6.5/24 dev enpls0f1

B.

echo "IPV4_ADDRESS=10.0.6.5/24" > /etc/sysconfig/network-scripts/ifcfg-enplsOfl

C.

ifconfig 10.0.6.5/24 enpsIs0f1

D.

nmcli conn add lpv4.address-10.0.6.5/24 ifname enpls0f1

A Linux administrator is tasked with adding users to the system. However, the administrator wants to ensure the users’ access will be disabled once the project is over. The expiration date should be 2021-09-30. Which of the following commands will accomplish this task?

A.

sudo useradd -e 2021-09-30 Project_user

B.

sudo useradd -c 2021-09-30 Project_user

C.

sudo modinfo -F 2021-09-30 Project_uses

D.

sudo useradd -m -d 2021-09-30 Project_user

A Linux administrator was asked to run a container with the httpd server inside. This container should be exposed at port 443 of a Linux host machine while it internally listens on port 8443. Which of the following commands will accomplish this task?

A.

podman run -d -p 443:8443 httpd

B.

podman run -d -p 8443:443 httpd

C.

podman run –d -e 443:8443 httpd

D.

podman exec -p 8443:443 httpd

A systems administrator is receiving tickets from users who cannot reach the application app that should be listening on port 9443/tcp on a Linux server. To troubleshoot the issue, the systems administrator runs netstat and receives the following output:

Based on the information above, which of the following is causing the issue?

A.

The IP address 0.0.0.0 is not valid.

B.

The application is listening on the loopback interface.

C.

The application is listening on port 1234.

D.

The application is not running.

A Linux system is failing to start due to issues with several critical system processes. Which of the following options can be used to boot the system into the single user mode? (Choose two.)

A.

Execute the following command from the GRUB rescue shell: mount -o remount,
ro/sysroot.

B.

Interrupt the boot process in the GRUB menu and add systemd.unit=single in the kernel line.

C.

Interrupt the boot process in the GRUB menu and add systemd.unit=rescue.target in the kernel line.

D.

Interrupt the boot process in the GRUB menu and add single=user in the kernel line.

E.

Interrupt the boot process in the GRUB menu and add init=/bin/bash in the kernel line.

F.

Interrupt the boot process in the GRUB menu and add systemd.unit=single.target in the kernel line.

A server is experiencing intermittent connection issues. Some connections to the Internet work as intended, but some fail as if there is no connectivity. The systems administrator inspects the server configuration:

Which of the following is MOST likely the cause of the issue?

A.

An internal-only DNS server is configured.

B.

The IP netmask is wrong for ens3.

C.

Two default routes are configured.

D.

The ARP table contains incorrect entries.

A cloud engineer needs to remove all dangling images and delete all the images that do not have an associated container. Which of the following commands will help to accomplish this task?

A.

docker images prune -a

B.

docker push images -a

C.

docker rmi -a images

D.

docker images rmi --all