Sample Questions and Answers
What is a key consideration when deploying multiple SSIDs on the same AP?
SSIDs have no impact on airtime utilization
B. Each SSID increases beacon overhead and can reduce throughput
C. Multiple SSIDs improve client roaming speed
D. Multiple SSIDs reduce RF interference
Answer: B. Each SSID increases beacon overhead and can reduce throughput
Explanation: More SSIDs cause more management traffic and airtime consumption.
What is the role of Cisco DNA Center in wireless network design?
Provides automated provisioning, assurance, and policy management
B. Acts as a DHCP server
C. Routes client traffic
D. Functions as a WLC
Answer: A. Provides automated provisioning, assurance, and policy management
Explanation: DNA Center automates and simplifies network management.
How does Cisco ClientLink enhance the client experience?
By directing beamforming toward clients to improve signal strength
B. By blocking legacy clients
C. By assigning IP addresses
D. By detecting rogue clients
Answer: A. By directing beamforming toward clients to improve signal strength
Explanation: ClientLink boosts client link quality via beamforming.
Which 802.11 amendment focuses on improving fast roaming capabilities?
802.11k
B. 802.11r
C. 802.11w
D. 802.11ac
Answer: B. 802.11r
Explanation: 802.11r standardizes fast roaming for reduced handoff latency.
Which Cisco wireless security mechanism is used to prevent unauthorized access using MAC addresses?
802.1X authentication
B. MAC filtering
C. WPA2-Enterprise
D. Protected Management Frames
Answer: B. MAC filtering
Explanation: MAC filtering restricts access to devices based on their MAC addresses.
What is the effect of enabling Dynamic Channel Assignment (DCA) on Cisco APs?
Automatically selects optimal channels to reduce interference
B. Disables all non-802.11 clients
C. Forces clients to use the 5 GHz band
D. Increases transmit power
Answer: A. Automatically selects optimal channels to reduce interference
Explanation: DCA dynamically adjusts channels to minimize overlap.
Which of the following best describes Cisco CleanAir technology?
A spectrum intelligence tool for interference detection and mitigation
B. A client authentication protocol
C. An AP mode for mesh networking
D. A fast roaming standard
Answer: A. A spectrum intelligence tool for interference detection and mitigation
Explanation: CleanAir detects RF interference and helps mitigate it.
What Cisco wireless feature helps identify client connectivity issues by monitoring client statistics?
Client Health
B. ClientMatch
C. Rogue Detection
D. FlexConnect
Answer: A. Client Health
Explanation: Client Health monitors client metrics to troubleshoot issues.
In Cisco wireless, what is the purpose of the native VLAN on trunk ports?
To carry untagged traffic
B. To encrypt management frames
C. To route traffic between subnets
D. To block rogue clients
Answer: A. To carry untagged traffic
Explanation: The native VLAN is the default VLAN for untagged frames on trunks.
How does Cisco Wireless LAN Controller handle client load balancing?
By steering clients to less congested APs using ClientMatch
B. By assigning static IP addresses
C. By blocking clients after 10 minutes
D. By increasing AP transmit power
Answer: A. By steering clients to less congested APs using ClientMatch
Explanation: ClientMatch balances client load across APs.
What is the recommended maximum transmit power for 2.4 GHz APs in high-density environments?
20 mW
B. 100 mW
C. 250 mW
D. 500 mW
Answer: A. 20 mW
Explanation: Lower transmit power reduces co-channel interference in dense deployments.
Which Cisco wireless security protocol introduces individualized data encryption with AES?
WPA2-Enterprise
B. WEP
C. WPA-Personal
D. LEAP
Answer: A. WPA2-Enterprise
Explanation: WPA2-Enterprise uses AES encryption with 802.1X authentication.
What Cisco feature allows wireless APs to connect via a wireless backhaul?
FlexConnect Mode
B. Mesh Mode
C. Local Mode
D. Monitor Mode
Answer: B. Mesh Mode
Explanation: Mesh Mode enables APs to form wireless links for backhaul connectivity.
What is the primary purpose of Cisco’s Rogue AP Containment feature?
To prevent unauthorized APs from disrupting the network
B. To assign IP addresses to clients
C. To improve roaming speed
D. To encrypt client traffic
Answer: A. To prevent unauthorized APs from disrupting the network
Explanation: Rogue containment can block rogue AP transmissions.
Which Cisco wireless technology supports zero-touch provisioning of APs?
Cisco DNA Center
B. Cisco Prime Infrastructure
C. Cisco CleanAir
D. FlexConnect
Answer: A. Cisco DNA Center
Explanation: DNA Center automates AP provisioning for large deployments.
What role does 802.1X play in wireless network security?
Port-based network access control for client authentication
B. RF interference mitigation
C. AP channel assignment
D. VLAN tagging
Answer: A. Port-based network access control for client authentication
Explanation: 802.1X authenticates users/devices before granting network access.
What Cisco tool can be used for wireless site surveys and heatmaps?
Cisco Prime Infrastructure
B. Cisco DNA Center
C. Cisco Wireless LAN Controller GUI
D. Cisco Aironet Site Survey Tool (or 3rd-party tools like Ekahau)
Answer: D. Cisco Aironet Site Survey Tool (or 3rd-party tools like Ekahau)
Explanation: These tools help visualize coverage and plan deployments.
Which Cisco wireless client capability can be enhanced by enabling 802.11v?
Network-assisted roaming and BSS transition management
B. Data encryption
C. RF interference detection
D. DHCP address assignment
Answer: A. Network-assisted roaming and BSS transition management
Explanation: 802.11v allows APs to assist clients in selecting better APs.
What Cisco wireless protocol provides per-packet encryption keying to prevent replay attacks?
TKIP
B. CCMP (AES)
C. WEP
D. LEAP
Answer: B. CCMP (AES)
Explanation: CCMP uses AES and unique keys per packet for strong security.
How does Cisco CleanAir differ from standard RF management?
It uses spectrum analysis to detect and classify interference beyond Wi-Fi signals
B. It increases transmit power automatically
C. It authenticates clients
D. It manages VLANs
Answer: A. It uses spectrum analysis to detect and classify interference beyond Wi-Fi signals
Explanation: CleanAir identifies non-Wi-Fi interference sources for troubleshooting.a
Reviews
There are no reviews yet.