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| Certification Vendor: | Linux Professional Institute (LPI) |
|---|---|
| Exam Name: | LPIC-3 Exam 305: Virtualization and Containerization |
| Exam Number: | 305-300 |
| Certificate Validity Period: | 5 years |
| Exam Duration: | 90 minutes |
| Passing Score: | 500 (scaled score, range 200-800) |
| Exam Format: | Multiple choice, Fill-in-the-blank |
| Real Exam Qty: | 60 |
| Exam Price: | $200 USD |
| Available Languages: | Japanese, English |
| Related Certifications: | LPIC-3 Mixed Environments LPIC-3 High Availability and Storage Clusters LPIC-2 LPIC-3 Security |
| Recommended Training: | LPI Official Training Resources |
| Exam Registration: | Pearson VUE LPI Official Registration |
| Sample Questions: | Lpi 305-300 Sample Questions |
| Exam Way: | Online proctored (OnVUE) or at Pearson VUE test centers |
| Pre Condition: | Must hold an active LPIC-2 certification |
| Official Syllabus URL: | https://www.lpi.org/our-certifications/exam-305-objectives/ |
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Lpi 305-300 (LPIC-3 Exam 305: Virtualization and Containerization) Exam is designed to test the knowledge and skills of IT professionals in the field of virtualization and containerization. 305-300 exam is intended for those who have already achieved the LPIC-2 certification and have experience in the implementation and management of virtualization and containerization technologies.
NEW QUESTION # 93
Which of the following commands are needed to establish a private network between two (or more) KVM virtual machines that is not visible to other KVM instances on the same KVM host? (Choose THREE correct answers.)
Answer: B,C,D
Explanation:
To establish aprivate, isolated networkbetween KVM virtual machines on the same host, Linux networking tools are used to create and managevirtual network bridges and TAP interfaces. According to KVM and Linux virtualization documentation, the core components required arebrctl,tunctl, andifconfig(or the modern ip command).
Thebrctlutility is used to create and manage Linux bridge interfaces, which act as virtual switches connecting multiple virtual machines.tunctlis used to create TAP interfaces that allow virtual machines to connect to the bridge.ifconfigis used to bring interfaces up and assign network parameters.
ebtablesis not strictly required for creating a private network; it is used for filtering Ethernet frames.ipconfig is a Windows networking command and is not applicable to Linux systems.
Therefore, the correct and documented answers areB, D, and E.
NEW QUESTION # 94
How can data be shared between several virtual machines running on the same Linux-based host system?
Answer: A
Explanation:
Explanation
The correct way to share data between several virtual machines running on the same Linux-based host system is by using a network file system or file transfer protocol. A network file system (NFS) is a distributed file system protocol that allows a user on a client computer to access files over a network in a manner similar to how local storage is accessed1. A file transfer protocol (FTP) is a standard network protocol used for the transfer of computer files between a client and server on a computer network2. Both methods allow data to be shared between virtual machines regardless of their underlying file systems or virtualization technologies. The other options are incorrect because they either do not work or are not feasible. Option A is wrong because each virtual machine has its own file system that is not directly accessible by other virtual machines. Option B is wrong because there is no such device as /dev/virt-disks/remote/ that can be used to mount other virtual machines' file systems. Option C is wrong because a ramdisk is a volatile storage device that is not suitable for sharing data between virtual machines. Option E is wrong because attaching the same virtual hard disk to multiple virtual machines can cause data corruption and conflicts, and EXT4 does not have any sharing extensions that can prevent this. References:https://kb.vmware.com/s/article/1012706
https://bing.com/search?q=data+sharing+between+virtual+machines
NEW QUESTION # 95
Which of the following statements are true regarding resource management for full virtualization? (Choose two.)
Answer: A,C
NEW QUESTION # 96
FILL BLANK
Which subcommand ofvirshopens the XML configuration of a virtual network in an editor in order to make changes to that configuration? (Specify ONLY the subcommand without any parameters.)
Answer:
Explanation:
net-edit
Explanation:
The subcommand of virsh that opens the XML configuration of a virtual network in an editor in order to make changes to that configuration is net-edit1. This subcommand takes the name or UUID of the network as a parameter and opens the network XML file in the default editor, which is specified by the $EDITOR shell variable1. The changes made to the network configuration are applied immediately after saving and exiting the editor1.
:
1: net-edit - libvirt.
NEW QUESTION # 97
The commandvirsh vol-list vmsreturns the following error:
error: failed to get pool 'vms'
error: Storage pool not found: no storage pool with matching name 'vms ' Given that the directory/vmsexists, which of the following commands resolves this issue?
Answer: C
Explanation:
Explanation
The command virsh pool-create-as vms dir --target /vms creates and starts a transient storage pool named vms of type dir with the target directory /vms12. This command resolves the issue of the storage pool not found error, as it makes the existing directory /vms visible to libvirt as a storage pool. The other commands are invalid because:
* dd if=/dev/zero of=/vms bs=1 count=0 flags=name:vms is not a valid command syntax. The dd command does not take a flags argument, and the output file /vms should be a regular file, not a directory3.
* libvirt-poolctl new --name=/vms --type=dir --path=/vms is not a valid command name. There is no such command as libvirt-poolctl in the libvirt package4.
* qemu-img pool vms:/vms is not a valid command syntax. The qemu-img command does not have a pool subcommand, and the vms:/vms argument is not a valid image specification5.
* touch /vms/.libvirtpool is not a valid command to create a storage pool. The touch command only creates an empty file, and the .libvirtpool file is not recognized by libvirt as a storage pool configuration file6.
References:
* 1: virsh - difference between pool-define-as and pool-create-as - Stack Overflow
* 2: dd(1) - Linux manual page - man7.org
* 3: 12.3.3. Creating a Directory-based Storage Pool with virsh - Red Hat Customer Portal
* 4: libvirt - Linux Man Pages (3)
* 5: qemu-img(1) - Linux manual page - man7.org
* 6: touch(1) - Linux manual page - man7.org
NEW QUESTION # 98
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