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CCNA Network Infrastructure and Connectivity Practice Question
This 200-301 practice question tests your understanding of network infrastructure and connectivity. 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.
Which three of the following are functions of the Dynamic Host Configuration Protocol (DHCP) in a network? (Choose three.)
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
✓
Assigning IP addresses to hosts automatically from a defined pool.
DHCP automates IP address assignment from a defined pool, eliminating manual configuration. It also provides essential network parameters like the default gateway and DNS server via DHCP options (e.g., Option 3 for router, Option 6 for DNS). Additionally, DHCP leases IP addresses for a configurable period, after which the client must renew the lease to continue using the address.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between DHCP providing DNS server information (correct) and DHCP performing DNS resolution (incorrect), as candidates confuse the roles of DHCP and DNS.
Detailed technical explanation
How to think about this question
DHCP uses a four-step process (DORA: Discover, Offer, Request, Acknowledge) to assign IP addresses. The lease time is defined in the DHCP scope and can be set from minutes to days; clients attempt to renew at 50% of the lease duration. In real-world networks, DHCP relay agents (RFC 3046) forward broadcasts across subnets, enabling centralized DHCP servers to serve multiple VLANs.
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 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
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FAQ
Questions learners often ask
What does this 200-301 question test?
Network Infrastructure and Connectivity — This question tests Network Infrastructure and Connectivity — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Assigning IP addresses to hosts automatically from a defined pool. — DHCP automates IP address assignment from a defined pool, eliminating manual configuration. It also provides essential network parameters like the default gateway and DNS server via DHCP options (e.g., Option 3 for router, Option 6 for DNS). Additionally, DHCP leases IP addresses for a configurable period, after which the client must renew the lease to continue using the address.
What should I do if I get this 200-301 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 11, 2026
This 200-301 practice question is part of Courseiva's free Cisco 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 200-301 exam.
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