Question 345 of 2,152
DHCP (IPv4 and IPv6)mediumMultiple ChoiceObjective-mapped

Quick Answer

The correct statement is that DHCP snooping is enabled and has recorded bindings for three clients. This is evident because the `show ip dhcp snooping binding` output displays three entries, each with a MAC address, IP address, lease duration, and the interface and VLAN where the client was learned, with the type field explicitly showing "dhcp-snooping" to confirm these are dynamically recorded from DHCP messages. On the Cisco CCNP ENARSI 300-410 exam, this command tests your ability to interpret DHCP snooping bindings output and understand that multiple clients can legitimately share the same interface (like GigabitEthernet0/1) as long as they belong to the same VLAN—a common trap is assuming each interface can only host one binding. A key memory tip: the "dhcp-snooping" type means the binding was learned from a DHCP ACK, not statically configured, so always check the type column first to distinguish dynamic from static entries.

300-410 DHCP (IPv4 and IPv6) Practice Question

This 300-410 practice question tests your understanding of dhcp (ipv4 and ipv6). Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.

A network engineer runs the following command on Router R1:

R1# show ip dhcp snooping binding

MacAddress IpAddress Lease(sec) Type VLAN Interface AA:BB:CC:01:02:03 192.168.1.10 86400 dhcp-snooping 10 GigabitEthernet0/1 AA:BB:CC:01:02:04 192.168.1.11 86400 dhcp-snooping 10 GigabitEthernet0/1 AA:BB:CC:01:02:05 192.168.1.12 86400 dhcp-snooping 10 GigabitEthernet0/2

Based on this output, which statement is correct?

Question 1mediummultiple choice
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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

DHCP snooping is enabled and has recorded bindings for three clients.

Option A is correct because the output shows three DHCP snooping bindings with MAC addresses, IP addresses, lease times, and associated VLANs and interfaces, which indicates that DHCP snooping is enabled and has successfully recorded these bindings for clients. The 'dhcp-snooping' type confirms these are dynamically learned from DHCP messages, and the presence of multiple clients on the same interface (GigabitEthernet0/1) is valid as long as they are on the same VLAN.

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.

  • DHCP snooping is enabled and has recorded bindings for three clients.

    Why this is correct

    The table shows valid bindings.

    Related concept

    Read the scenario before looking for a memorised answer.

  • DHCP snooping has detected a rogue DHCP server on GigabitEthernet0/1.

    Why it's wrong here

    No indication of a rogue server.

  • DHCP snooping is not functioning because the bindings are not trusted.

    Why it's wrong here

    Bindings are recorded; trust is per interface.

  • DHCP snooping has a conflict because two clients are on the same interface.

    Why it's wrong here

    Multiple clients on the same interface is normal.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the misconception that multiple DHCP clients on the same interface indicate a conflict or misconfiguration, but DHCP snooping bindings can legitimately show multiple entries per interface as long as they are in the same VLAN and have unique MAC/IP pairs.

Detailed technical explanation

How to think about this question

DHCP snooping operates by building a binding database from DHCPACK messages, using the client's MAC address, assigned IP, lease time, VLAN, and receiving interface; it enforces security by allowing only trusted ports to send DHCP server messages and dropping DHCP offers from untrusted ports. In this output, all bindings are on VLAN 10, and the interface GigabitEthernet0/1 has two clients, which is typical for a switchport connecting to a hub or multiple devices. A real-world scenario where this matters is when troubleshooting IP address conflicts or verifying DHCP activity in a secure network segment.

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 help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.

What to study next

Got this wrong? Here's your next step.

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FAQ

Questions learners often ask

What does this 300-410 question test?

DHCP (IPv4 and IPv6) — This question tests DHCP (IPv4 and IPv6) — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: DHCP snooping is enabled and has recorded bindings for three clients. — Option A is correct because the output shows three DHCP snooping bindings with MAC addresses, IP addresses, lease times, and associated VLANs and interfaces, which indicates that DHCP snooping is enabled and has successfully recorded these bindings for clients. The 'dhcp-snooping' type confirms these are dynamically learned from DHCP messages, and the presence of multiple clients on the same interface (GigabitEthernet0/1) is valid as long as they are on the same VLAN.

What should I do if I get this 300-410 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: Jun 24, 2026

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