RHCSA Redhat Questions & Verified Answers
List enabled packages with yum Correct Ans-yum repolist
Search for a package with yum Correct Ans-yum search <string>
Update installed packages with yum Correct Ans-yum update
Create necessary file structure for repo dir Correct Ans-createrepo -v <path>
List yum history Correct Ans-yum history list all
cmd for yum GUI Correct Ans-gnome-packagekit
Package update GUI Correct Ans-gpk-update-viewer
Package database location for rpm Correct Ans-/var/lib/rpm
List yum history Correct Ans-yum history list all
cmd to download files or entire dir trees over FTP or HTTP sites Correct Ans-wget
,KVM Correct Ans-Kernel-based Virtual Machine
QEMU Correct Ans-Quick Emulator
The proxy between virt OS requests and the virt-physical interface. It emulates a full system.
libvirt Correct Ans-Virtualization and management library
Virtualization daemon Correct Ans-libvirtd
Determine host system hardware's ability for virtualization support Correct Ans-run lscpu,
look for VT-x for Intel processors and AMD-V for AMD processors
or
crep /proc/cpuinfo for vmx or svm attributes
Virtualization Hypervisor Correct Ans-Provides the foundation to host VMs. Includes libvirt
and qemu-kvm packages
Virtualization Client Correct Ans-Provides the support to install and manage virtual machines,
includes virsh, virt-install, virt -manager, virt-top, and virt-viewer packages
,Virtualization Platform Correct Ans-Provides an interface to access and control virtual
machines. Includes the libvirt, libvirt-client, and virt-who packages
virtbr0 Correct Ans-Virtual switch created on the host when the libvirtd daemon is running
Default mode of op for virtbr0 Correct Ans-NAT with IP masquerading
dnsmasq Correct Ans-libvirt uses dnsmasq to enable DHCP and NS on the virtual switch
Default RHEL 7 hypervisor for VMs Correct Ans-libvirt
GUI for VM manager Correct Ans-virt-manager
Default storage location for VMs Correct Ans-/var/lib/libvirt/images
cmd for management and monitoring of hypervisor and VMs Correct Ans-virsh
hint-virt show
virsh subcommand for basic info of the domain Correct Ans-dominfo
virsh subcommand for current state of the domain Correct Ans-domstate
, virsh subcommand to reboot or shutdown a domain gracefully Correct Ans-reboot /
shutdown
virsh subcommand to start up an inactive domain Correct Ans-start
virsh subcommand for setting a virt network to autostart at reboot Correct Ans-net-autostart
virsh subcommand for displaying a list of active virt networks Correct Ans-net-list
virsh subcommand to start an inactive virt network Correct Ans-net-start
virsh subcommand for showing basic info about a pool Correct Ans-pool-info
virsh subcommand for displaying a list of active volumes Correct Ans-vol-list
VM install cmd which specifies path for installation image Correct Ans-virt-install --location
/mnt/images
cmd for management and monitoring of hypervisor and VMs Correct Ans-virsh
List enabled packages with yum Correct Ans-yum repolist
Search for a package with yum Correct Ans-yum search <string>
Update installed packages with yum Correct Ans-yum update
Create necessary file structure for repo dir Correct Ans-createrepo -v <path>
List yum history Correct Ans-yum history list all
cmd for yum GUI Correct Ans-gnome-packagekit
Package update GUI Correct Ans-gpk-update-viewer
Package database location for rpm Correct Ans-/var/lib/rpm
List yum history Correct Ans-yum history list all
cmd to download files or entire dir trees over FTP or HTTP sites Correct Ans-wget
,KVM Correct Ans-Kernel-based Virtual Machine
QEMU Correct Ans-Quick Emulator
The proxy between virt OS requests and the virt-physical interface. It emulates a full system.
libvirt Correct Ans-Virtualization and management library
Virtualization daemon Correct Ans-libvirtd
Determine host system hardware's ability for virtualization support Correct Ans-run lscpu,
look for VT-x for Intel processors and AMD-V for AMD processors
or
crep /proc/cpuinfo for vmx or svm attributes
Virtualization Hypervisor Correct Ans-Provides the foundation to host VMs. Includes libvirt
and qemu-kvm packages
Virtualization Client Correct Ans-Provides the support to install and manage virtual machines,
includes virsh, virt-install, virt -manager, virt-top, and virt-viewer packages
,Virtualization Platform Correct Ans-Provides an interface to access and control virtual
machines. Includes the libvirt, libvirt-client, and virt-who packages
virtbr0 Correct Ans-Virtual switch created on the host when the libvirtd daemon is running
Default mode of op for virtbr0 Correct Ans-NAT with IP masquerading
dnsmasq Correct Ans-libvirt uses dnsmasq to enable DHCP and NS on the virtual switch
Default RHEL 7 hypervisor for VMs Correct Ans-libvirt
GUI for VM manager Correct Ans-virt-manager
Default storage location for VMs Correct Ans-/var/lib/libvirt/images
cmd for management and monitoring of hypervisor and VMs Correct Ans-virsh
hint-virt show
virsh subcommand for basic info of the domain Correct Ans-dominfo
virsh subcommand for current state of the domain Correct Ans-domstate
, virsh subcommand to reboot or shutdown a domain gracefully Correct Ans-reboot /
shutdown
virsh subcommand to start up an inactive domain Correct Ans-start
virsh subcommand for setting a virt network to autostart at reboot Correct Ans-net-autostart
virsh subcommand for displaying a list of active virt networks Correct Ans-net-list
virsh subcommand to start an inactive virt network Correct Ans-net-start
virsh subcommand for showing basic info about a pool Correct Ans-pool-info
virsh subcommand for displaying a list of active volumes Correct Ans-vol-list
VM install cmd which specifies path for installation image Correct Ans-virt-install --location
/mnt/images
cmd for management and monitoring of hypervisor and VMs Correct Ans-virsh
