Cisco CCIE Wireless lab exam Exam Practice Test
The CCIE Wireless lab practice page addresses enterprise WLAN engineering across radio behavior, access point and controller connectivity, client onboarding, and mobility. Practice scenarios include regulatory-domain mismatches, channel changes after radar detection, VLAN carriage, DHCP forwarding, and factors that affect negotiated 802.11 data rates.
Exam overview
About the Cisco CCIE Wireless lab exam Exam
Wireless troubleshooting requires separating RF conditions from configuration and wired-network causes. Scenarios in the question bank ask you to assess how a country code affects permitted operation, what Dynamic Frequency Selection (DFS) does when radar is detected, and how a client’s negotiated rate influences unicast throughput. Other items connect WLAN operation to IPv4 routing, switch-port VLAN configuration, tagged controller links, and DHCP handling in centrally switched deployments. Mobility questions draw attention to consistent WLAN settings across access points, while a location-estimation scenario introduces wireless positioning. Work through each case by identifying the failing layer or decision point, then tracing the relevant path—from client association and addressing to controller reachability and wired VLAN delivery—before choosing a corrective check.
Sample Practice Questions
Review a selection from this exam's published US Practice Tests practice bank.
A controller-based access point is configured with a country code that does not match the regulatory domain of its physical location. What is the most appropriate operational concern?
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Correct answer: ARegulatory domain settings govern permitted channels and transmit behavior. A mismatch can prevent radio operation or result in noncompliant channel use, so the configured country must match the deployment location.
In an IPv4 network, an access point has a valid address and can communicate with its local subnet, but it cannot reach a controller on another subnet. Which Layer 3 setting should be verified first?
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Correct answer: AThe default gateway provides the next hop for traffic destined outside the local subnet. Without a correct gateway, the access point can communicate locally but cannot route to a controller on a different subnet.
A network team needs to distinguish traffic belonging to a voice WLAN from traffic belonging to a data WLAN after both traverse a switch trunk. Which mechanism commonly carries the WLAN-to-VLAN association across the trunk?
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Correct answer: AA WLAN is commonly mapped to a VLAN, and IEEE 802.1Q tags identify VLAN membership on a trunk link. DHCP, NTP, and ARP inspection serve different purposes and do not provide the trunk's VLAN identification mechanism.
An engineer is troubleshooting a client that has joined a WLAN but receives very low throughput despite a clean RF channel. The client and access point negotiate a low 802.11 data rate. Which factor most directly determines the rate selected for a unicast transmission?
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Correct answer: AThe PHY data rate is selected from rates and modulation/coding capabilities supported by both endpoints, with link conditions influencing which rate is usable. VLAN and IP settings do not select the radio transmission rate.
A wireless client associates to an access point but cannot obtain an IPv4 address. The WLAN uses a centrally switched data path. Which device typically forwards the client's DHCP request from the access point toward the wired network?
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Correct answer: AWith centrally switched client traffic, the access point encapsulates client data to the controller, which bridges or routes it toward the wired network. The gateway and DNS server do not relay the initial client request in this path, and RADIUS handles authentication rather than DHCP forwarding.
A Cisco wireless controller is connected to a Layer 2 switch, and an access point’s management traffic must reach it over a tagged link that also carries several client VLANs. Which switch-port mode is appropriate for the controller-facing link?
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Correct answer: BA trunk can carry the controller management VLAN and multiple client VLANs using 802.1Q tags. An access port carries traffic for only one VLAN, while the other choices do not meet the multi-VLAN requirement.
A client roams between two access points that advertise the same WLAN. Which configuration is most important for the client to treat them as part of the same basic service set infrastructure for roaming?
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Correct answer: AClients generally identify a WLAN by its SSID and must be able to use compatible security and authentication settings at the destination access point. Management addresses and radio MAC addresses must remain unique, and using the same channel is not required for roaming.
How to use this practice test
Access is free. The bank contains 50 questions; each session presents up to 20 random questions and shows results afterward. Use a session to test how well you distinguish RF, client, controller, and switching causes. Review missed items by tracing the relevant configuration or traffic path, rather than memorizing a choice.
Preparation tips
- For controller reachability problems, trace the access point’s management VLAN, IPv4 address, subnet mask, and default gateway before testing remote controller access.
- Draw the client DHCP path for centrally switched WLAN traffic, identifying the access point, controller, and wired network forwarding points.
- Compare WLAN and switch-trunk configurations to verify that client VLANs and WLAN-to-VLAN mappings are carried on the intended links.
- For low-throughput scenarios, distinguish channel cleanliness from the negotiated 802.11 rate and consider the client and access point capabilities involved.
- Review how country-code limits and DFS radar detection affect channel availability and access point channel changes.