About This Domain
Domain 2 — Network Access — accounts for 20% of the CCNA certification exam. This domain evaluates your understanding of configure and verify vlans spanning multiple switches (access ports, trunk ports, 802.1q, dtp), configure and verify inter-vlan routing (router-on-a-stick, layer 3 switch, svi), configure and verify etherchannel (lacp), and related concepts. Domain 2 focuses on VLANs, inter-VLAN routing, EtherChannel, Spanning Tree Protocol, and wireless LAN concepts. To pass this section you need practical knowledge of how these services and patterns work together in real-world architectures.
What You'll Be Tested On
- Configure and verify VLANs spanning multiple switches (access ports, trunk ports, 802.1Q, DTP)
- Configure and verify inter-VLAN routing (router-on-a-stick, Layer 3 switch, SVI)
- Configure and verify EtherChannel (LACP)
- Describe need for and basic operations of STP, RSTP
- Compare Cisco Wireless architectures and AP modes
- Describe physical infrastructure connections of WLAN components (AP, WLC)
Key Cisco Technologies in This Domain
Study Strategy for Domain 2
While 20% might seem like a smaller portion of the exam, every point counts toward the passing score. Focus on understanding core concepts and common exam scenarios for this domain.
Exam Tips for Domain 2
Know the difference between access and trunk ports — trunk ports carry multiple VLANs.
LACP is the industry standard for EtherChannel; PAgP is Cisco proprietary.
STP root bridge election is based on lowest bridge priority (default 32768).
Understand lightweight AP vs autonomous AP and the role of WLC.
Frequently Asked Questions
How many questions on the CCNA exam come from Domain 2?
Domain 2 (Network Access) makes up 20% of the CCNA exam. The exam has 65 scored questions, so approximately 13 questions will come from this domain.
What services should I focus on for Domain 2?
The key services for this domain include Switching, STP, EtherChannel, Inter-VLAN Routing, Wireless. Make sure you understand how each service works, its use cases, and how they integrate with one another.
How should I prepare for Network Access questions?
Start by reviewing the key topics listed above, then practice with domain-specific questions. Focus on understanding real-world scenarios rather than memorizing facts.
What's the best order to study the CCNA domains?
Many candidates start with the highest-weighted domains first. For the CCNA exam, the domains in order of weight are: Network Fundamentals (20%), Network Access (20%), IP Connectivity (25%), IP Services (10%), Security Fundamentals (15%), Automation and Programmability (10%).
Practice Domain 2 Questions
Test your knowledge of Network Access with practice questions from our CCNA question bank.
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