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200-901 Practice Question: Which THREE of the following are valid methods to…
Which THREE of the following are valid methods to automatically assign IP addresses to network hosts?
⚠ Common exam trap
Cisco often tests the distinction between automatic address assignment methods (SLAAC, DHCP, BOOTP) and services that operate at higher layers (DNS) or manual configuration (static), leading candidates to incorrectly include static or DNS as automatic assignment methods.
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
✓
SLAAC
SLAAC (Stateless Address Autoconfiguration) is a valid method for automatically assigning IPv6 addresses to network hosts. It uses ICMPv6 Router Advertisement (RA) messages to provide a prefix, and the host generates its own interface identifier (often based on EUI-64 or privacy extensions) to form a complete IPv6 address without a central server.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Static assignment
Why it's wrong here
Static assignment is manual, not automatic.
- ✓
SLAAC
Why this is correct
Stateless Address Autoconfiguration is used in IPv6 for automatic addressing.
- ✓
DHCP
Why this is correct
Dynamic Host Configuration Protocol automatically assigns IP addresses.
- ✓
BOOTP
Why this is correct
Bootstrap Protocol is a predecessor to DHCP that provides automatic IP assignment.
- ✗
DNS
Why it's wrong here
Domain Name System resolves names to IP addresses, it does not assign them.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 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 200-901 exam.