Question 1hardmultiple choice
Full question →hardmultiple choiceObjective-mapped
A network administrator is configuring a monitoring system to collect metrics from network devices. The administrator needs to ensure that the monitoring system can automatically discover the devices and obtain detailed information about their configuration and status, such as interface descriptions and software versions. Which protocol is best suited for this purpose?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
SNMP
SNMP (especially with SNMPv2c or v3) allows a management station to query device MIBs for detailed information such as interface descriptions, software versions, and status. It can also be used for discovery by polling known community strings.
B
Distractor review
LLDP
LLDP is used to advertise and discover directly connected neighbors (device ID, port ID, capabilities). It does not provide detailed configuration or status information about non-neighbor devices.
C
Distractor review
NetFlow
NetFlow is used for traffic flow analysis (IP traffic statistics). It does not provide device configuration or inventory data.
D
Distractor review
Syslog
Syslog is used for collecting log messages from devices. While it may contain some informational messages, it is not designed for structured inventory or configuration polling.
Common exam trap
Common exam trap: OSPF can fail even when IP connectivity looks correct
OSPF neighbour formation depends on matching areas, timers, network type, authentication and passive-interface behaviour. Do not choose an answer only because the devices can ping.
Technical deep dive
How to think about this question
OSPF questions usually test the details that control adjacency and route selection. Read the neighbour state, area, router ID and interface configuration before deciding what is wrong.
KKey Concepts to Remember
- OSPF neighbours must agree on key parameters.
- Router ID selection can affect neighbour relationships and LSDB output.
- OSPF cost influences the preferred path.
- A route can appear in OSPF information but not become the installed route.
TExam Day Tips
- Check area mismatch first when OSPF adjacency fails.
- Review passive interfaces when a network is advertised but no neighbour forms.
- Use show ip ospf neighbor and show ip route clues carefully.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A network engineer needs to connect two switches located 400 meters apart. The cable run includes high electromagnetic interference from nearby machinery. The engineer decides to use fiber optic cabling. Which transceiver type and fiber combination should be used to ensure the link reaches 400 meters while remaining cost-effective?
Question 2
A network engineer is designing a new switched network and needs to ensure that broadcast traffic from one department does not reach another department's workstations. The engineer plans to use VLANs. Which of the following must be configured on the switches to isolate broadcast domains as intended?
Question 3
A security engineer is configuring a site-to-site VPN between two branch offices. The requirement is to encrypt all traffic between the two networks using IPsec. Which IPsec mode should be used to encrypt the entire IP packet including the original header?
Question 4
A network administrator is connecting two switches to increase bandwidth and provide redundancy. Which technology should be used to combine multiple physical links into a single logical link?
Question 5
A network administrator is experiencing issues where unauthorized devices are offering IP addresses to clients, causing connectivity problems. Which security feature should be enabled on switches to prevent this?
Question 6
A network administrator is troubleshooting a connectivity issue and suspects the problem is related to the physical cabling. At which layer of the OSI model should the administrator begin their investigation?
FAQ
Questions learners often ask
What does this N10-009 question test?
OSPF neighbours must agree on key parameters.
What is the correct answer to this question?
The correct answer is: SNMP — SNMP (Simple Network Management Protocol) is used to gather information from network devices. SNMP can be used to poll devices (via GET requests) and receive traps. For automatic discovery and detailed configuration information, SNMP with MIB (Management Information Base) browsing is effective. LLDP is for discovering directly connected neighbors, not for pulling detailed config and status from many devices. NetFlow is for traffic analysis. Syslog is for log messages. SNMPv2c or v3 with appropriate MIBs allows polling interface descriptions, software versions, etc.
What should I do if I get this N10-009 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
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