LPIC-1 Essential System Services and Networking Practice Question
Which THREE steps are required to configure a network interface with a static IP address using the ip command (assuming interface eth0)? (Choose three.)
⚠ Common exam trap
Candidates often confuse the `ip` command with legacy tools like `ifconfig` (option A) or include DNS configuration (option E) as part of the `ip` command workflow, when in fact DNS is handled by separate system services and not by the `ip` command.
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
✓
ip route add default via 192.168.1.1
The `ip route add default via 192.168.1.1` command sets the default gateway for the system, which is essential for routing traffic to networks beyond the local subnet. Without a default route, the static IP configuration would only allow communication within the local network (192.168.1.0/24), making this step mandatory for full network connectivity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
ifconfig eth0 192.168.1.10 netmask 255.255.255.0
Why it's wrong here
ifconfig is deprecated; also not part of ip command.
- ✓
ip route add default via 192.168.1.1
Why this is correct
Adds default gateway.
- ✓
ip addr add 192.168.1.10/24 dev eth0
Why this is correct
Adds IP address.
- ✓
ip link set eth0 up
Why this is correct
Brings interface up.
- ✗
echo 'nameserver 8.8.8.8' > /etc/resolv.conf
Why it's wrong here
Configures DNS, not part of ip command for static IP.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This LPIC-1 practice question is part of Courseiva's free LPI 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 LPIC-1 exam.