A Linux administrator needs to create an image named sda.img from the sda disk and store it in the /tmp directory. Which of the following commands should be used to accomplish this task?

A.

dd of=/dev/sda if=/tmp/sda.img

B.

dd if=/dev/sda of=/tmp/sda.img

C.

dd --if=/dev/sda --of=/tmp/sda.img

D.

dd --of=/dev/sda --if=/tmp/sda.img

A systems administrator is tasked with creating a cloud-based server with a public IP address.

Which of the following technologies did the systems administrator use to complete this task?

A.

Puppet

B.

Git

C.

Ansible

D.

Terraform

A Linux administrator needs to analyze a failing application that is running inside a container. Which of the following commands allows the Linux administrator to enter the running container and analyze the logs that are stored inside?

A.

docker run -ti app /bin/sh

B.

podman exec -ti app /bin/sh

C.

podman run -d app /bin/bash

D.

docker exec -d app /bin/bash

A Linux administrator is creating a primary partition on the replacement hard drive for an application server. Which of the following commands should the administrator issue to verify the device name of this partition?

A.

sudo fdisk /dev/sda

B.

sudo fdisk -s /dev/sda

C.

sudo fdisk -l

D.

sudo fdisk -h

A cloud engineer needs to block the IP address 192.168.10.50 from accessing a Linux server. Which of the following commands will achieve this goal?

A.

iptables -F INPUT -j 192.168.10.50 -m DROP

B.

iptables -A INPUT -s 192.168.10.30 -j DROP

C.

iptables -i INPUT --ipv4 192.168.10.50 -z DROP

D.

iptables -j INPUT 192.168.10.50 -p DROP

Which of the following tools is BEST suited to orchestrate a large number of containers across many different servers?

A.

Kubernetes

B.

Ansible

C.

Podman

D.

Terraform

An administrator is trying to diagnose a performance issue and is reviewing the following output:

System Properties:
CPU: 4 vCPU
Memory: 40GB
Disk maximum IOPS: 690
Disk maximum throughput: 44Mbps | 44000Kbps
Based on the above output, which of the following BEST describes the root cause?

A.

The system has reached its maximum IOPS, causing the system to be slow

B.

The system has reached its maximum permitted throughput, therefore iowait is increasing.

C.

The system is mostly idle, therefore the iowait is high.

D.

The system has a partitioned disk, which causes the IOPS to be doubled.

A systems administrator is tasked with installing GRUB on the legacy MBR of the SATA hard drive. Which of the following commands will help the administrator accomplish this task?

A.

grub-install /dev/hda

B.

grub-install /dev/sda

C.

grub-install /dev/sr0

D.

grub-install /dev/hd0,0

A Linux system is getting an error indicating the root filesystem is full. Which of the following commands should be used by the systems administrator to resolve this issue? (Choose three.)

A.

df -h /

B.

fdisk -1 /dev/sdb

C.

growpart /dev/mapper/rootvg-rootlv

D.

pvcreate /dev/sdb

E.

lvresize –L +10G -r /dev/mapper/rootvg-rootlv

F.

lsblk /dev/sda

G.

parted -l /dev/mapper/rootvg-rootlv

H.

vgextend /dev/rootvg /dev/sdb

Rugged appliances are small appliances with ruggedized hardware and like Quantum Spark appliance they use which operating system?

A.

Centos Linux

B.

Gaia embedded

C.

Gaia

D.

Red Hat Enterprise Linux version 5

A systems administrator is tasked with mounting a USB drive on a system. The USB drive has a single partition, and it has been mapped by the system to the device /dev/sdb. Which of the following commands will mount the USB to /media/usb?

A.

mount /dev/sdb1 /media/usb

B.

mount /dev/sdb0 /media/usb

C.

mount /dev/sdb /media/usb

D.

mount -t usb /dev/sdb1 /media/usb

A Linux administrator needs to connect securely to a remote server in order to install application software. Which of the following commands would allow this connection?

A.

scp "ABC-key.pem" root@10.0.0.1

B.

sftp rooteiO.0.0.1

C.

telnet 10.0.0.1 80

D.

ssh -i "ABC-key.pem" root@10.0.0.1

E.

sftp "ABC-key.pem" root@10.0.0.1