How to get detailed information about docker installed on the system including the kernel version, number of containers and images, etc.
Anonymous Quiz
56%
$ docker --info
7%
$ docker information
37%
$ docker info
π1
Which command is used to encrypt a partition in Ubuntu using LUKS?
Anonymous Quiz
65%
Use 'sudo cryptsetup luksFormat /dev/sdX'
13%
Run 'encrypt-partition sdX'
17%
Type 'luks-encrypt partition'
5%
Use 'secure-drive luks'
β€1
What OpenShift resource should be used to manage encryption and decryption of sensitive data, like database passwords?
Anonymous Quiz
22%
ConfigMap
63%
Secret
13%
DeploymentConfig
2%
Role
β€1π1
What does the 'top' command display in Linux?
Anonymous Quiz
77%
Running processes
10%
Disk usage
9%
Memory usage
4%
Network connections
π1
Which are the notable application areas for Docker?
Anonymous Quiz
86%
Simplifying configuration, Code pipelines management, Debugging capabilities and Rapid deployment.
14%
Robust, Transparency, code illustrator and slow deployment
β€5
Applications inside the containers accept configuration parameters in the form of environment variables. These variables can tell the app to listen on a specific port but you can't use a specific password.
Anonymous Quiz
66%
True
34%
False
β€3
Which command is used to install new software from the command line in Ubuntu?
Anonymous Quiz
94%
Use 'sudo apt install package_name'
3%
Run 'newpkg package_name'
1%
Type 'installsoft package_name'
1%
Use 'pkgadd package_name'
π3π³2β€1
How do you list all USB devices connected to your Ubuntu system?
Anonymous Quiz
73%
Use 'lsusb'
13%
Run 'usbdevices list'
5%
Type 'showusb'
8%
Use 'usbinfo'
β€2π1
How do you enable packet forwarding permanently in Ubuntu?
Anonymous Quiz
85%
Edit '/etc/sysctl.conf' and set 'net.ipv4.ip_forward=1', then run 'sysctl -p'
5%
Run 'enableforward -perm'
5%
Type 'netforward persist'
5%
Use 'sysctl forward-permanent'
β€1
What is the purpose of the `docker pull` command?
Anonymous Quiz
15%
It uploads an image to the registry
80%
It downloads an image from the registry
2%
It removes an image from the local system
4%
It builds an image from a Dockerfile
π3
Which command allows you to export the entire list of installed packages in Ubuntu?
Anonymous Quiz
62%
Use 'dpkg --get-selections > installed_packages.txt'
11%
Run 'pkglist export'
7%
Type 'exportpackages -all'
21%
Use 'dpkg-list -output'
β€2
Which command is used to create a snapshot of an LVM volume in Ubuntu?
Anonymous Quiz
79%
Use 'lvcreate --snapshot -n snapshot_name -L size /dev/vg_name/lv_name'
16%
Run 'lvm-snapshot create'
1%
Type 'createsnap lv'
3%
Use 'lvbackup -snap'
π2
What is the purpose of the oc describe command in OpenShift?
Anonymous Quiz
81%
It provides a detailed description of an OpenShift resource, including its status and events
13%
It only lists pods in a project
5%
It configures a new project namespace
2%
It automatically updates all project pods
β€2
What are the API versions available?
Anonymous Quiz
54%
Alpha level, Beta level and Stable level. All these version features are in multiple standards.
29%
Pod level, Stage level and Sigma level. All these version features are in multiple standards.
17%
Single level, High level and Multi level. All these version features are in multiple standards.
π4
What are the Namespaces in Docker?
Anonymous Quiz
74%
Namespaces in Docker are a technology for the facility of containers in Docker.
26%
Namespaces in Docker are a technology for the facility of images in Docker.
π2
How do you enable automatic security updates in Ubuntu?
Anonymous Quiz
68%
Edit '/etc/apt/apt.conf.d/20auto-upgrades' to include 'APT::Periodic::Unattended-Upgrade "1";'
18%
Run 'autoupdate-config enable'
2%
Type 'set-sec-update'
12%
Use 'apt-auto-upgrade'
β€2
What is unique about OpenShiftβs approach to supporting containers compared to other platforms?
Anonymous Quiz
23%
It doesnβt support multi-cloud environments
66%
It adds a developer-focused experience with integrated CI/CD and streamlined deployment pipelines
4%
It limits the types of applications that can run
7%
It only works on private cloud environments
β€4
How do you set up a PXE boot server in Ubuntu?
Anonymous Quiz
72%
Install 'dnsmasq' and configure '/etc/dnsmasq.conf' for PXE
16%
Run 'pxe-setup'
7%
Type 'netboot-config'
5%
Use 'pxeinit -network'
π3
How do you make a file executable in Ubuntu?
Anonymous Quiz
90%
Use 'chmod +x filename'
4%
Run 'setexec filename'
4%
Type 'make-run filename'
1%
Use 'execperm filename'
β€3π1
Which command is used to display information about mounted filesystems in Ubuntu?
Anonymous Quiz
55%
Use 'mount'
21%
Run 'fs-info'
17%
Type 'list-mounts'
6%
Use 'show-filesystems'
β€2