- A
teamd
Why wrong: Used for teaming, but nmcli is the primary management tool.
- B
ip link
Why wrong: Can configure bonding manually but not the recommended tool.
- C
brctl
Why wrong: Used for bridging, not bonding.
- D
nmcli
NetworkManager command-line tool, recommended for configuring bonds.
Question 35 of 537
Configure Network Bonding with nmcli
This EX200 practice question tests your understanding of operate running systems. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
An administrator needs to combine two physical network interfaces into a single logical interface for redundancy. Which RHEL tool is recommended to configure this in RHEL 8/9?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
nmcli
In RHEL 8/9, NetworkManager is the default networking service, and `nmcli` is its command-line tool. For bonding (combining two physical interfaces into a single logical interface for redundancy or increased throughput), the recommended approach is to use `nmcli` to create a bond connection, which uses the Linux kernel bonding driver. The `teamd` service was deprecated in RHEL 8 and removed in RHEL 9, making `nmcli` the correct and supported method.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
teamd
Why it's wrong here
Used for teaming, but nmcli is the primary management tool.
- ✗
ip link
Why it's wrong here
Can configure bonding manually but not the recommended tool.
- ✗
brctl
Why it's wrong here
Used for bridging, not bonding.
- ✓
nmcli
Why this is correct
NetworkManager command-line tool, recommended for configuring bonds.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates familiar with older RHEL versions (RHEL 7 or earlier) may remember `teamd` as the recommended tool for teaming, but RHEL 8/9 deprecated and removed it, making `nmcli` the correct answer for bonding.
Detailed technical explanation
How to think about this question
Under the hood, `nmcli` creates a bond connection that configures the kernel bonding driver (mode 1 for active-backup or mode 4 for 802.3ad LACP). The bond interface appears as a single logical interface (e.g., bond0) with its own MAC address, and the slave interfaces (e.g., eth0, eth1) are enslaved to it. In a real-world scenario, using `nmcli` ensures the bond survives reboots and integrates with NetworkManager's policy-based routing and connection profiles, whereas manual `ip link` commands would be lost after a restart.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the EX200 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this EX200 question test?
Operate running systems — This question tests Operate running systems — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: nmcli — In RHEL 8/9, NetworkManager is the default networking service, and `nmcli` is its command-line tool. For bonding (combining two physical interfaces into a single logical interface for redundancy or increased throughput), the recommended approach is to use `nmcli` to create a bond connection, which uses the Linux kernel bonding driver. The `teamd` service was deprecated in RHEL 8 and removed in RHEL 9, making `nmcli` the correct and supported method.
What should I do if I get this EX200 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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