Free Lpi 304-200 Exam Dumps Questions & Answers

CORRECT TEXT
In the command
vzctl ____ 105 /usr/bin/apt-get install wget
which subcommand of vzctl is missing in order to install wget in the OpenVZ container 105?

When preparing a public machine image for the provisioning of new cloud computing instances, which of the following steps should be done? (Choose TWO correct answers.)

• A.  Remove all private SSH keys from the image.
• B.  Remove all confidential data from the image.
• C.  Remove all default users and groups, including root and nobody.
• D.  Remove all configuration files from /etc/ that were not manually modified.
• E.  Remove all remote login services (i.e. SSH) from the image.

Which of the following components are parts of XAPI? (Choose TWO correct answers.)

• A.  The XADB configuration management database.
• B.  The xm command.
• C.  The xapi daemon.
• D.  The xe command.
• E.  The XAPI virtual file system available at /xen.

What is true for a virtual IP address in the context of keepalived? (Choose TWO correct answers.)

• A.  The distinct IP addresses of all backend servers are called virtual IP addresses.
• B.  keepalived uses VRRP to ensure the availability of the virtual IP address.
• C.  Every server running keepalived has exactly one virtual IP address and cannot have any additional virtual IP addresses.
• D.  Within the whole LVS cluster managed by keepalived, the virtual IP address never appears on any network interface.
• E.  The virtual IP address is the address to which incoming connections are made in order to reach the load balancer.

What is XAPI?

• A.  The internal messaging system within the Xen hypervisor.
• B.  The communication interface between a paravirtualized Linux Kernel and the Xen hypervisor.
• C.  A ReSTful API which is used by xl to communicate with the Xen hypervisor.
• D.  A high level tool chain which provides advanced management tools and interfaces for Xen.
• E.  An extension of libvirt which adds live migration of virtual servers between arbitrary hypervisors.