CCNA Network Infrastructure and Connectivity Practice Question
Which three of the following are functions of the Dynamic Host Configuration Protocol (DHCP) in a network? (Choose three.)
⚠ Common exam trap
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.
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.
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IPv4 Addressing and Address Classes
Key term
DNS
DNS is the system that translates human-friendly domain names like example.com into machine-readable IP addresses so computers can find each other on a network.
Key term
IP address
An IP address is a unique numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.