Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
Why is DHCP often preferred over manual addressing on larger user networks?
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
It automates host IP configuration and reduces manual effort and mistakes.
This is correct because DHCP improves consistency and reduces administrative overhead.
B
Distractor review
It replaces DNS completely.
This is wrong because DNS still performs name resolution.
C
Distractor review
It removes the need for default gateways.
This is wrong because hosts still need gateway information for remote traffic.
D
Distractor review
It is required by all routing protocols.
This is wrong because routing protocols do not depend on DHCP existing on user networks.
Common exam trap
Common exam trap: answer the scenario, not the keyword
A common exam trap is selecting options that confuse DHCP with DNS or routing protocols. Some candidates mistakenly believe DHCP replaces DNS or removes the need for default gateways. However, DHCP only automates IP configuration; it does not perform name resolution like DNS, nor does it eliminate the requirement for a default gateway. Another trap is assuming routing protocols depend on DHCP, which is incorrect because routing protocols operate independently of IP address assignment methods. Understanding these distinctions is essential to avoid incorrect answers related to IP services in the CCNA exam.
Technical deep dive
How to think about this question
Dynamic Host Configuration Protocol (DHCP) is a network management protocol used to automate the process of configuring devices on IP networks. DHCP assigns IP addresses, subnet masks, default gateways, and DNS server information to hosts dynamically, eliminating the need for manual configuration. This automation is critical in large networks where manually assigning IP addresses to every device would be time-consuming and error-prone. In Cisco and CCNA contexts, DHCP simplifies network administration by centralizing IP address management. When a device connects to the network, it sends a DHCP request, and the DHCP server responds with the necessary network parameters. This process ensures consistent and accurate IP addressing, reduces configuration errors, and supports efficient IP address reuse through leasing mechanisms. DHCP also supports options that provide additional configuration details, making it versatile for enterprise environments. A common exam trap is confusing DHCP with DNS or assuming DHCP eliminates the need for default gateways. DHCP does not replace DNS; it only provides DNS server addresses to clients. Also, DHCP does not remove the need for default gateways; it actually provides gateway information to hosts so they can communicate outside their local subnet. Understanding these distinctions is crucial for correctly answering questions about IP services in the CCNA exam.
KKey Concepts to Remember
- DHCP automates the assignment of IP addresses and network configuration parameters to hosts, reducing manual configuration errors and administrative overhead.
- In large user networks, DHCP improves scalability by dynamically managing IP address allocation and preventing address conflicts.
- DHCP servers provide essential network information including IP address, subnet mask, default gateway, and DNS server addresses to client devices.
- Manual IP addressing is prone to human error and is inefficient in large networks, making DHCP the preferred method for IP address management.
- DHCP leases IP addresses for a limited time, allowing efficient reuse of IP addresses in dynamic network environments.
- DHCP does not replace DNS; it only provides DNS server information to clients for name resolution.
- Hosts still require default gateway information to route traffic outside their local subnet, which DHCP provides during configuration.
- Routing protocols operate independently of DHCP and do not require DHCP to function on user networks.
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.
Related practice questions
Related 200-301 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
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CCNA NAT practice questions
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CCNA DHCP practice questions
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CCNA show ip route practice questions
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CCNA IPv6 practice questions
Practise IPv6 addressing, routes, neighbour discovery and common IPv6 exam traps.
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 router learns the same prefix from both OSPF and EIGRP. Which route is installed by default?
Question 2
A router shows this output: R1#show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface 10.1.1.2 1 FULL/DR 00:00:34 192.168.12.2 GigabitEthernet0/0 10.1.1.3 1 2WAY/DROTHER 00:00:39 192.168.12.3 GigabitEthernet0/0 Which statement is correct?
Question 3
What is the OSPF metric called?
Question 4
A non-root switch has two uplinks toward the root bridge. One path has a lower total STP cost than the other. What role will the lower-cost uplink have?
Question 5
A router interface applies this ACL inbound: 10 deny tcp any any eq 80 20 permit ip any any A user reports that web browsing to a server by IP address fails, but ping works. Which statement best explains the behavior?
Question 6
A router learns route 198.51.100.0/24 from OSPF with AD 110 and also has a static route to the same prefix configured with AD 150. Which route is installed?
FAQ
Questions learners often ask
What does this 200-301 question test?
DHCP automates the assignment of IP addresses and network configuration parameters to hosts, reducing manual configuration errors and administrative overhead.
What is the correct answer to this question?
The correct answer is: It automates host IP configuration and reduces manual effort and mistakes. — DHCP is often preferred because it automates host configuration and reduces both manual work and configuration mistakes. In practical terms, it is far easier to let endpoints receive addresses, masks, gateways, and DNS settings automatically than to configure each device by hand. This improves scale, consistency, and operational efficiency. That is why DHCP is such a common service in enterprise access networks.
What should I do if I get this 200-301 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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