Question 1,577 of 2,152

Network Logging and Syslog →hardMultiple ChoiceObjective-mapped

300-410 Network Logging and Syslog Practice Question

This 300-410 practice question tests your understanding of network logging and syslog. 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 engineer configures EIGRP named mode on two routers. The engineer notices that route summarization configured under the interface does not generate a summary route in the routing table, even though the component routes are present. The engineer confirms that the summary address is correct and the interface is up. Which is the most likely explanation?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1hardmultiple choice

Study the full EIGRP explanation →

A
The interface is not configured under the EIGRP address-family in named mode
Correct. In named mode, the interface must be explicitly enabled under the address-family for summary-address to work.
B
The summary-address command must be configured under the EIGRP process, not the interface
Why wrong: In named mode, summary-address is configured under the interface, but the interface must be part of the address-family.
C
The component routes have a higher administrative distance than the summary
Why wrong: Administrative distance does not affect summary generation; the summary is generated based on the presence of component routes.
D
The summary-address command requires the 'leak-map' option to be specified
Why wrong: The leak-map is optional and used to advertise specific component routes, not required for summary generation.

Full breakdown with real-world context →

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

✓

The interface is not configured under the EIGRP address-family in named mode

In EIGRP named mode, route summarization is configured under the interface configuration mode using the 'summary-address' command, but it requires that the interface is part of the EIGRP address-family under that named mode. If the interface is not explicitly configured under the address-family, the summary-address command is accepted but does not take effect. This is a common edge case because the CLI accepts the command without error, but the summary is not generated.

Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✓
The interface is not configured under the EIGRP address-family in named mode
Why this is correct
Correct. In named mode, the interface must be explicitly enabled under the address-family for summary-address to work.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Authentication checks who the user is.
✗
The summary-address command must be configured under the EIGRP process, not the interface
Why it's wrong here
In named mode, summary-address is configured under the interface, but the interface must be part of the address-family.
✗
The component routes have a higher administrative distance than the summary
Why it's wrong here
Administrative distance does not affect summary generation; the summary is generated based on the presence of component routes.
✗
The summary-address command requires the 'leak-map' option to be specified
Why it's wrong here
The leak-map is optional and used to advertise specific component routes, not required for summary generation.

Common exam traps

Common exam trap: authentication is not authorization

Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.

Detailed technical explanation

How to think about this question

This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.

KKey Concepts to Remember

Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.

TExam Day Tips

Do not assume successful login means full administrative access.
Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
Separate login problems from permission problems before choosing the answer.

Key takeaway

Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.

Real-world example

How this comes up in practice

A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.

What to study next

Got this wrong? Here's your next step.

Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related 300-410 questions on access control and AAA configuration.

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FAQ

Questions learners often ask

What does this 300-410 question test?

Network Logging and Syslog — This question tests Network Logging and Syslog — Authentication checks who the user is..

What is the correct answer to this question?

The correct answer is: The interface is not configured under the EIGRP address-family in named mode — In EIGRP named mode, route summarization is configured under the interface configuration mode using the 'summary-address' command, but it requires that the interface is part of the EIGRP address-family under that named mode. If the interface is not explicitly configured under the address-family, the summary-address command is accepted but does not take effect. This is a common edge case because the CLI accepts the command without error, but the summary is not generated.

What should I do if I get this 300-410 question wrong?

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Authentication checks who the user is.

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