Quick Answer
The correct answer is Bridge and Macvlan, as these are the two container networking modes that allow a container to have its own IP address on the host network. Macvlan achieves this by assigning each container a unique MAC and IP address directly from the host’s physical subnet, making the container appear as an independent device on the same network. Bridge mode, by contrast, creates a virtual switch like docker0 and assigns containers IPs from a private subnet, then uses NAT to connect them to the host network—so while the IP is private, it is still the container’s own address on the host’s network. On the CompTIA Linux+ XK0-005 exam, this question tests your understanding of how containers interface with the host’s networking stack, often tripping candidates who confuse host mode (which shares the host’s IP) with these two. A common trap is assuming only Macvlan gives a unique IP, but Bridge does too, just on a different subnet. Remember: “Bridge builds a private block, Macvlan mirrors the main street”—both give the container its own address.
This XK0-005 practice question tests your understanding of scripting, containers and automation. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO container networking modes allow a container to have its own IP address on the host network? (Choose TWO.)
Macvlan
Container gets its own MAC/IP on physical network.
Host
Why wrong: Container uses host's IP, no own IP.
None
Why wrong: No network access.
Overlay
Why wrong: Overlay is for cross-host, but still gives own IP? Actually overlay gives own IP on overlay network, but it's not the host network. The question says 'on the host network'. Overlay is separate. So not correct.
Bridge
Containers get IPs on the bridge network.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Macvlan
Macvlan mode assigns each container a unique MAC address and IP address from the host's physical network, making the container appear as a separate device on the same subnet. Bridge mode creates a virtual bridge (typically docker0) and assigns containers IPs from a private subnet, allowing them to communicate with the host network via NAT. Both modes give the container its own IP address on the host network, though bridge uses a private range while macvlan uses the host's subnet directly.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Macvlan
Why this is correct
Container gets its own MAC/IP on physical network.
Related concept
Read the scenario before looking for a memorised answer.
Host
Why it's wrong here
Container uses host's IP, no own IP.
None
Why it's wrong here
No network access.
Overlay
Why it's wrong here
Overlay is for cross-host, but still gives own IP? Actually overlay gives own IP on overlay network, but it's not the host network. The question says 'on the host network'. Overlay is separate. So not correct.
Bridge
Why this is correct
Containers get IPs on the bridge network.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse 'own IP address' with 'own network namespace'—Host mode gives the container its own namespace but shares the host's IP, while Bridge gives a private IP that is not directly on the host's physical subnet, leading some to incorrectly select Host or Overlay.
Detailed technical explanation
In macvlan mode, the host's physical interface is configured with multiple MAC addresses, and the kernel's bridge/forwarding logic handles traffic without NAT, enabling direct layer-2 connectivity. Bridge mode uses iptables rules for NAT (masquerading) and port mapping, which can introduce performance overhead and complexity in firewall rules. A subtle behavior: macvlan can cause issues with DHCP servers that limit leases per MAC address, and it requires the host's physical interface to be in promiscuous mode.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.
What to study next
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FAQ
Scripting, Containers and Automation — This question tests Scripting, Containers and Automation — Read the scenario before looking for a memorised answer..
The correct answer is: Macvlan — Macvlan mode assigns each container a unique MAC address and IP address from the host's physical network, making the container appear as a separate device on the same subnet. Bridge mode creates a virtual bridge (typically docker0) and assigns containers IPs from a private subnet, allowing them to communicate with the host network via NAT. Both modes give the container its own IP address on the host network, though bridge uses a private range while macvlan uses the host's subnet directly.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This XK0-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-005 exam.
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