Sample Questions and Answers
Which wireless client roaming method provides the fastest handoff?
A) 802.11r Fast Roaming
B) Layer 3 Roaming
C) Standard Re-association
D) DHCP Release/Renew
Answer: A) 802.11r Fast Roaming
Explanation: 802.11r speeds up handoff by pre-authenticating clients.
Which Cisco wireless controller interface connects to the wired LAN?
A) Dynamic Interface
B) Management Interface
C) AP Manager Interface
D) Service Port
Answer: A) Dynamic Interface
Explanation: Dynamic Interface maps to VLANs and handles wired LAN traffic.
Which wireless standard operates only in the 5 GHz band?
A) 802.11a
B) 802.11b
C) 802.11g
D) 802.11n
Answer: A) 802.11a
Explanation: 802.11a operates exclusively in the 5 GHz band.
Which Cisco wireless security protocol is deprecated due to weak security?
A) WEP
B) WPA2
C) WPA3
D) EAP-TLS
Answer: A) WEP
Explanation: WEP is vulnerable to attacks and no longer recommended.
What is the purpose of the Cisco WLC AP Manager Interface?
A) To manage CAPWAP control traffic with APs
B) To carry client data traffic
C) To provide admin management access
D) To assign IP addresses to clients
Answer: A) To manage CAPWAP control traffic with APs
Explanation: It handles AP control communications.
What Cisco wireless mode is used when the AP tunnels all client data to the WLC?
A) Local Mode
B) FlexConnect Mode
C) Monitor Mode
D) Sniffer Mode
Answer: A) Local Mode
Explanation: In Local Mode, APs tunnel client data to the WLC.
What is the primary difference between WPA and WPA2?
A) WPA2 uses AES encryption, WPA uses TKIP
B) WPA2 uses WEP, WPA uses AES
C) WPA2 is for personal use only
D) WPA2 supports only 2.4 GHz
Answer: A) WPA2 uses AES encryption, WPA uses TKIP
Explanation: WPA2 improved security with AES encryption.
Which Cisco wireless feature enables guest access without compromising internal network?
A) Guest LAN and VLAN Segmentation
B) FlexConnect
C) Local Mode
D) CleanAir
Answer: A) Guest LAN and VLAN Segmentation
Explanation: Segregates guest traffic from corporate networks.
What is the maximum number of VLANs supported by a Cisco WLC per AP?
A) 16
B) 64
C) 32
D) 8
Answer: A) 16
Explanation: A Cisco WLC supports up to 16 VLANs per AP for multiple SSIDs.
Which Cisco wireless security protocol supports mutual authentication with certificates?
A) EAP-TLS
B) LEAP
C) PEAP
D) WPA
Answer: A) EAP-TLS
Explanation: EAP-TLS uses certificates for both client and server authentication.
Which interface on a Cisco WLC handles administrative management?
A) Management Interface
B) AP Manager Interface
C) Dynamic Interface
D) Service Port
Answer: A) Management Interface
Explanation: The Management Interface is used for admin access to the WLC.
What does the acronym CAPWAP stand for?
A) Control and Provisioning of Wireless Access Points
B) Cisco Access Point Wireless
C) Centralized Access Provisioning Wireless AP
D) Control Access Point Wireless Protocol
Answer: A) Control and Provisioning of Wireless Access Points
Explanation: CAPWAP is the protocol used for communication between APs and the WLC.
Which Cisco wireless feature improves client experience by forcing dual-band clients onto 5 GHz?
A) Band Steering
B) Load Balancing
C) CleanAir
D) WIPS
Answer: A) Band Steering
Explanation: Band steering pushes capable clients to 5 GHz for better performance.
Which mode allows a Cisco lightweight AP to capture wireless traffic for troubleshooting?
A) Sniffer Mode
B) Monitor Mode
C) Local Mode
D) FlexConnect Mode
Answer: A) Sniffer Mode
Explanation: Sniffer Mode allows APs to capture packets for analysis.
How does Cisco RRM optimize the wireless network?
A) By automatically adjusting power levels and channels
B) By blocking rogue APs
C) By enforcing user authentication
D) By assigning IP addresses
Answer: A) By automatically adjusting power levels and channels
Explanation: RRM dynamically optimizes RF settings for performance.
What is the default encryption type for WPA2 on Cisco WLC?
A) AES-CCMP
B) TKIP
C) WEP
D) DES
Answer: A) AES-CCMP
Explanation: WPA2 uses AES encryption with CCMP for security.
Which Cisco wireless technology provides the ability to detect and mitigate RF interference?
A) CleanAir
B) Band Steering
C) WIPS
D) FlexConnect
Answer: A) CleanAir
Explanation: CleanAir technology detects interference from non-Wi-Fi devices.
What command on a Cisco WLC CLI displays all connected APs?
A) show ap summary
B) show client summary
C) show wlan summary
D) show wireless stats
Answer: A) show ap summary
Explanation: Displays a summary of all APs connected to the controller.
Which wireless standard introduced OFDM (Orthogonal Frequency-Division Multiplexing)?
A) 802.11a
B) 802.11b
C) 802.11g
D) 802.11n
Answer: A) 802.11a
Explanation: 802.11a introduced OFDM for higher data rates.
What is the function of the Service Port on Cisco WLC?
A) Out-of-band management access
B) Client traffic forwarding
C) CAPWAP control traffic
D) SSID configuration
Answer: A) Out-of-band management access
Explanation: Service Port provides direct management access separate from client data.
Which Cisco wireless controller interface handles CAPWAP control traffic?
A) AP Manager Interface
B) Management Interface
C) Dynamic Interface
D) Service Port
Answer: A) AP Manager Interface
Explanation: The AP Manager Interface handles control communication with APs.
What type of authentication does Cisco LEAP provide?
A) Username and password-based
B) Certificate-based
C) Token-based
D) Biometric
Answer: A) Username and password-based
Explanation: LEAP uses credentials for authentication but is less secure.
Which feature on Cisco WLC allows traffic to be locally switched at the AP?
A) FlexConnect
B) Local Mode
C) Sniffer Mode
D) Monitor Mode
Answer: A) FlexConnect
Explanation: FlexConnect supports local switching when disconnected from the controller.
Which Cisco wireless security protocol is recommended over LEAP?
A) PEAP or EAP-TLS
B) WEP
C) WPA TKIP
D) WPA-PSK
Answer: A) PEAP or EAP-TLS
Explanation: These provide stronger security than LEAP.
What is the primary benefit of 802.11r?
A) Fast secure roaming
B) Higher throughput
C) Lower power consumption
D) Extended range
Answer: A) Fast secure roaming
Explanation: 802.11r enables quicker handoffs between APs.
Which Cisco WLC interface handles client data forwarding?
A) Dynamic Interface
B) Management Interface
C) AP Manager Interface
D) Service Port
Answer: A) Dynamic Interface
Explanation: Dynamic Interface maps VLANs and handles client data.
What does WIPS stand for?
A) Wireless Intrusion Prevention System
B) Wireless Internet Provisioning Service
C) Wired Internet Protection Service
D) Wireless IP Service
Answer: A) Wireless Intrusion Prevention System
Explanation: WIPS detects and blocks rogue APs and clients.
Which wireless frequency band has more available channels but shorter range?
A) 5 GHz
B) 2.4 GHz
C) 900 MHz
D) 1.2 GHz
Answer: A) 5 GHz
Explanation: 5 GHz has more channels but less range than 2.4 GHz.
What type of antenna pattern is typically used for omnidirectional coverage?
A) Dipole Antenna
B) Yagi Antenna
C) Patch Antenna
D) Parabolic Antenna
Answer: A) Dipole Antenna
Explanation: Dipole antennas radiate signal uniformly in all directions.
Which wireless standard supports both 2.4 GHz and 5 GHz bands?
A) 802.11n
B) 802.11a
C) 802.11b
D) 802.11g
Answer: A) 802.11n
Explanation: 802.11n is dual-band supporting both frequency bands.
What is the purpose of the Cisco WLC’s Mobility Domain?
A) Defines a roaming group for seamless client mobility
B) Maps VLANs to SSIDs
C) Controls AP power levels
D) Provides guest access
Answer: A) Defines a roaming group for seamless client mobility
Explanation: Mobility Domain groups controllers/APs for client roaming.
Which Cisco wireless feature allows creation of multiple WLANs with different policies?
A) Virtual AP (VAP)
B) FlexConnect
C) CleanAir
D) WIPS
Answer: A) Virtual AP (VAP)
Explanation: VAPs allow multiple SSIDs on one AP with different configs.
What does the acronym RRM stand for in Cisco Wireless?
A) Radio Resource Management
B) Remote Router Management
C) Real-time Resource Monitoring
D) Rapid Roaming Mechanism
Answer: A) Radio Resource Management
Explanation: RRM optimizes channel and power settings automatically.
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