Question 1

A system administrator has encountered an issue with a Linux server that has been running fine for several months. The system has become unresponsive, and while attempting to diagnose the problem, the administrator discovered that the cause of the problem is related to the system swap space. What command can the administrator use to determine the amount of swap space currently being used by the server?

Options :

A : free

B : top

C : iostat

D : sar

Answer: A

Question 2

Which command is used to create a new physical volume in Linux?

Options :

A : pvcreate

B : vgcreate

C :

lvcreate

D : mkfs

Answer: A

Question 3

Which of the following commands can be used to set the managed mode for a power domain?

Options :

A : poweroff

B : powercfg

C : powerstat

D : powertop

Answer: B

Question 4

Which command can be used to create a new Kubernetes namespace on an Oracle Linux 8 system?

Options :

A : kubectl apply -f new-namespace.yaml

B : kubectl create namespace new-namespace

C : sudo mkdir /etc/kubernetes/namespaces/new-namespace

D : kubectl edit configmap new-namespace

Answer: B

Question 5

Which command is used to send a signal to a process?

Options :

A : kill

B : stop

C : resume

D : restart

Answer: A

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