How many Hard Difficulty Questions questions are on this page?

This page has 20 Hard Difficulty Questions scenario questions for the 305-300 exam, each with detailed explanations and wrong-answer analysis.

How should I approach 305-300 scenario questions?

Read the full scenario before looking at the answer options. Identify the constraint or requirement in the scenario, then eliminate options that are generally true but wrong for this specific case. Scenario questions reward careful reading over pattern matching.

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Hard Difficulty Questions

Practise LPIC-3 Exam 305: Virtualization and Containerization (305-300) (305-300) practice questions — original exam-style scenarios covering every exam domain, with detailed explanations, wrong-answer analysis, and common exam traps.

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scenario questions

305-300

exam code

LPI

vendor

Scenario guide

How to approach hard difficulty questions

These are the questions most candidates get wrong. They require connecting multiple concepts, reading tricky output, or knowing edge-case behaviour that isn't on most study cards. Practising them trains you to operate under uncertainty — a necessary skill on the real exam.

Quick answer

Hard Difficulty Questions questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Practice scenarios

Question 1hardmultiple choice

Hard Difficulty Questions

How to approach hard difficulty questions

Quick answer

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305-300 scenario practice questions

305-300 troubleshooting practice questions

Practice scenarios

You are using Docker and want to create a volume that is shared between multiple containers and persists even if the containers are deleted. What is the best approach?

Which THREE of the following attributes can be defined within the <memoryBacking> XML block?

Which THREE networking modes are natively supported by Docker?

You are using systemd-nspawn to run a container. You notice the container does not have access to the host's system clock. Which flag must be added to the command to allow access to the system time?

In a FreeBSD Jail, how can you ensure the jail starts automatically at boot?

When configuring a Docker volume that needs to be shared between multiple containers, which storage driver storage path is recommended to ensure persistent data availability if the host reboots?

You are performing a live migration of a VM using libvirt. The source and destination hosts share a common storage pool (NFS). Which option should be used with 'virsh migrate' to ensure only the memory state is transferred?

You are troubleshooting a performance issue and want to pin a VM process to specific physical CPU cores. Which XML element is used?

You are optimizing a Dockerfile to reduce image size. Which THREE of the following practices are recommended?

In an OpenVZ environment, you need to limit the number of processes a container can create. Which parameter in the container configuration file should be modified?

You are troubleshooting a problem where an LXC container cannot access its own /dev/null. What is a common cause in a non-root container?

Which THREE storage drivers are supported by Docker?

You are using systemd-nspawn. How do you create an image of a container to be used as a template?

When migrating a Libvirt domain using 'virsh migrate --live', which option must be specified to ensure the guest's memory state is copied over the network?

You are using an overlay network in Docker Swarm. What is the standard protocol used for the control plane and data plane communication between nodes?

Which THREE items are typically included in an OpenVZ configuration file?

You are configuring an OpenVZ container. Which command is used to set the hostname of the container from the host?

In systemd-nspawn, how do you specify a different root directory for the container?

In a Docker swarm, which mode of service publishing allows incoming traffic to be load-balanced across all healthy container replicas?

Which TWO of the following are true regarding the differences between rkt (Rocket) and Docker?