- A
show interface terse: Displays summary information about all interfaces
The 'show interface terse' command provides a concise summary of all interfaces, including status and IP addresses.
- B
show route: Displays the routing table
The 'show route' command displays the active routing table, including all known routes.
- C
show configuration: Displays the current active configuration
The 'show configuration' command shows the running configuration of the Junos device.
- D
ping: Tests network connectivity to a remote host
The 'ping' command sends ICMP echo requests to test reachability and measure round-trip time.
- E
show interface terse: Displays detailed interface statistics
Why wrong: Incorrect. 'show interface terse' provides a summary, not detailed statistics. Detailed statistics are shown with 'show interface detail'.
- F
show route: Displays the configuration of routing protocols
Why wrong: Incorrect. 'show route' shows the routing table, not routing protocol configuration. Use 'show protocols ...' for that.
Matching Junos Operational Mode Commands
This JNCIA-JUNOS practice question tests your understanding of user interfaces. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Match each Junos CLI operational mode command to its function.
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
show interface terse: Displays summary information about all interfaces
These are common operational mode commands used for monitoring and troubleshooting in Junos.
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.
- ✓
show interface terse: Displays summary information about all interfaces
Why this is correct
The 'show interface terse' command provides a concise summary of all interfaces, including status and IP addresses.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
show route: Displays the routing table
Why this is correct
The 'show route' command displays the active routing table, including all known routes.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
show configuration: Displays the current active configuration
Why this is correct
The 'show configuration' command shows the running configuration of the Junos device.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
ping: Tests network connectivity to a remote host
Why this is correct
The 'ping' command sends ICMP echo requests to test reachability and measure round-trip time.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
show interface terse: Displays detailed interface statistics
Why it's wrong here
Incorrect. 'show interface terse' provides a summary, not detailed statistics. Detailed statistics are shown with 'show interface detail'.
- ✗
show route: Displays the configuration of routing protocols
Why it's wrong here
Incorrect. 'show route' shows the routing table, not routing protocol configuration. Use 'show protocols ...' for that.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Trap categories for this question
Command / output trap
Incorrect. 'show interface terse' provides a summary, not detailed statistics. Detailed statistics are shown with 'show interface detail'.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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 JNCIA-JUNOS 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 JNCIA-JUNOS exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
- →
User Interfaces — study guide chapter
Learn the concepts, then practise the questions
- →
User Interfaces practice questions
Targeted practice on this topic area only
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FAQ
Questions learners often ask
What does this JNCIA-JUNOS question test?
User Interfaces — This question tests User Interfaces — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: show interface terse: Displays summary information about all interfaces — These are common operational mode commands used for monitoring and troubleshooting in Junos.
What should I do if I get this JNCIA-JUNOS question wrong?
Identify which JNCIA-JUNOS exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This JNCIA-JUNOS practice question is part of Courseiva's free Juniper Networks 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 JNCIA-JUNOS exam.
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