2.3 Given a scenario, select and configure wireless devices and technologies
Access Point Modes
📘CompTIA Network+ (N10-009)
What Is an Autonomous Access Point?
An Autonomous Access Point (AP) is a wireless access point that works independently.
It does not rely on a central controller or wireless LAN controller (WLC) to operate.
You configure and manage each autonomous AP individually.
It performs all wireless functions on its own, such as:
- Broadcasting the wireless network (SSID)
- Handling authentication
- Managing security settings
- Controlling RF settings (channels, power levels)
- Handling client connections
In other words, each autonomous AP is a self-contained wireless device.
✅ Why Does It Matter for the Exam?
Network+ wants you to understand:
- What autonomous APs are
- When they are used
- Their advantages and disadvantages
- How they compare to controller-based APs
- Configuration concepts important for real IT environments
🔍 Key Characteristics of Autonomous Access Points
1. Standalone Operations
- No central controller needed.
- Each AP contains its own configuration, firmware, and settings.
- Works even if the network has no WLC.
2. Individually Managed
- You must configure every AP one by one.
- If you have many APs, this becomes time-consuming.
3. Fully Featured
Autonomous APs provide all wireless features locally, such as:
- WPA2/WPA3 security
- SSID broadcasting
- VLAN tagging
- QoS settings
- Radio frequency (RF) controls
- MAC filtering
- DHCP relay or forwarding
4. Used in Small or Simple Network Environments
Since there is no central controller, autonomous APs are suitable for:
- Small networks
- Branch offices
- Environments with only a few APs
Large enterprise environments typically use controller-based APs instead.
⚙️ What an Autonomous AP Can Do (Functions)
An autonomous AP handles everything on its own, including:
✔ Wireless Authentication
- Pre-Shared Key (PSK)
- WPA2/WPA3
- RADIUS (Enterprise mode)
✔ Wireless Security Enforcement
- Encryption (AES)
- Access lists
- Filtering
✔ Wireless Management
- Channel selection
- Transmit power adjustment
- Band steering
- Client load handling
✔ Network Integration
- VLAN tagging per SSID
- DHCP relay
- Local routing (in some models)
✔ Monitoring
- Local logs
- Local performance statistics
- Rogue AP detection (basic)
These features exist inside each AP, not centrally.
🔄 Autonomous AP vs. Controller-Based AP (Exam Comparison)
| Feature | Autonomous AP | Controller-Based AP |
|---|---|---|
| Management | Managed individually | Centrally managed through WLC |
| Scalability | Good for small networks | Ideal for medium/large networks |
| Configuration | Manual, per AP | One configuration applied to all |
| Cost | Lower initial cost | Higher cost due to controller |
| Updates | Manual | Centralized updates |
| Roaming | Basic roaming | Advanced fast roaming |
| Security Policies | Set per AP | Central enforcement |
Network+ may ask questions comparing these two modes. Remember:
➡ Autonomous = standalone
➡ Controller-based = centrally managed
🛠️ Common Configuration Settings for an Autonomous AP
When configuring an autonomous AP in an IT environment, you typically set:
1. SSIDs
- Example: “CorpWiFi”, “GuestWiFi”
2. Security Type
- WPA3 or WPA2-Enterprise
- PSK or RADIUS authentication
3. VLAN Assignments
- Each SSID mapped to a VLAN
- Example: Corporate = VLAN 10, Guest = VLAN 20
4. Channel & Power Levels
- Choose channel to reduce interference
- Adjust power for better coverage
5. IP Addressing
- Static or DHCP
- Gateway settings
6. Logging and Monitoring
- Syslog server
- SNMP monitoring
These are exam-relevant concepts.
⭐ Advantages of Autonomous Access Points
✔ 1. No controller required
Simple and cost-effective.
✔ 2. Full control on each AP
Useful when APs have different purposes.
✔ 3. Good for small deployments
Easy to set up when only a few APs are involved.
✔ 4. Works even if other APs fail
Each AP is independent.
⚠️ Disadvantages of Autonomous Access Points
✘ 1. Hard to scale
Managing 10–20+ APs individually is difficult.
✘ 2. Time-consuming configuration
Every AP must be updated one at a time.
✘ 3. Inconsistent settings
Human error may cause mismatched configurations.
✘ 4. Limited roaming features
Clients may not roam smoothly between APs.
✘ 5. Manual firmware updates
No centralized update system.
📘 Autonomous AP – Key Points for the Exam
Make sure you remember:
- Autonomous AP = standalone, individually configured
- Best for small networks
- Provides full local control over wireless features
- Does not rely on a WLC
- Requires more administrative effort
- Less scalable and less efficient for large environments
- Supports all typical wireless functions locally (SSID, authentication, encryption, RF settings)
If the question describes a network with “only a few access points”, “no controller”, or “individual management,” the correct answer is usually:
➡ Autonomous Access Point
📝 Short Summary (Easy to Remember)
- Autonomous AP = works alone, each configured separately
- Good for small networks
- No centralized controller
- More work for administrators
- Fully capable AP with all security and wireless features built in
