View Full Cisco CCNP Wireless 350-101 Exam Dumps and Practice Test Dumps

 

Question 181: Which Cisco AP mode allows an access point to provide normal wireless client access while participating in centralized controller management?

1. Monitor mode
2. Local mode
3. Sniffer mode
4. Rogue Detector mode

Correct Answer: 2. Local mode

Explanation:

Local mode is the traditional operating mode for Cisco lightweight access points in controller-based deployments. The AP provides wireless client access while maintaining a CAPWAP relationship with the wireless LAN controller. The controller manages configuration and centralized wireless functions while the AP provides radio connectivity to clients. Monitor mode is primarily used for wireless monitoring rather than normal client service, Sniffer mode captures wireless traffic for analysis, and Rogue Detector mode focuses on identifying unauthorized devices. Therefore, Local mode is the appropriate choice when an AP must provide normal wireless access under centralized controller management.

Question 182: Which authentication framework is commonly used with WPA2-Enterprise wireless networks?

1. 802.1X
2. NAT
3. WMM
4. CAPWAP

Correct Answer: 1. 802.1X

Explanation:

WPA2-Enterprise commonly uses IEEE 802.1X for network access control and authentication. The 802.1X framework works with an Extensible Authentication Protocol (EAP) method and typically uses a RADIUS server as the backend authentication system. This allows individual users or devices to authenticate rather than relying on one shared wireless password. CAPWAP provides AP-to-controller communication, WMM provides wireless QoS, and NAT performs address translation. Therefore, 802.1X is the authentication framework most directly associated with WPA2-Enterprise deployments.

Question 183: Which EAP method commonly uses a protected TLS tunnel to secure an inner username/password authentication exchange?

1. EAP-TLS
2. EAP-MD5
3. PEAP
4. PAP

Correct Answer: 3. PEAP

Explanation:

Protected Extensible Authentication Protocol (PEAP) establishes a TLS-protected tunnel between the client and authentication server and then performs an inner authentication exchange inside that protected tunnel. A common deployment uses username and password credentials for the inner authentication method. EAP-TLS instead relies on client and server certificates, while EAP-MD5 does not provide the same protected tunnel architecture. PAP is a basic authentication method rather than a complete EAP framework. Therefore, PEAP is the EAP method most directly associated with protecting an inner credential exchange inside a TLS tunnel.

Question 184: Which Cisco wireless redundancy technology helps reduce controller downtime by maintaining synchronized state between redundant controllers?

1. SSO
2. DFS
3. AVC
4. CleanAir

Correct Answer: 1. SSO

Explanation:

Stateful Switchover (SSO) is a Cisco redundancy mechanism designed to reduce service interruption by maintaining synchronized operational state between an active controller and its standby peer. When supported and properly configured, the standby unit can take over if the active controller fails, reducing the impact of controller failure. DFS is associated with radar detection and channel management, AVC provides application visibility, and CleanAir provides RF interference analysis. Therefore, SSO is the technology most directly associated with controller redundancy and state synchronization.

Question 185: Which method can allow a Cisco AP to discover a wireless LAN controller by resolving a controller hostname through DNS?

1. DHCP Option 82
2. DNS discovery
3. RADIUS accounting
4. WMM

Correct Answer: 2. DNS discovery

Explanation:

Cisco access points can use DNS-based discovery as one method for locating a wireless LAN controller. The AP can resolve an appropriate controller hostname through DNS and then attempt to establish CAPWAP communication with the discovered controller. DHCP-related options can also provide controller discovery information in supported deployments, but they are separate from DNS discovery. RADIUS accounting is used for AAA-related records, and WMM manages wireless traffic prioritization. Therefore, DNS discovery is the mechanism specifically associated with using DNS name resolution to locate a controller.

Question 186: What is the primary purpose of a Cisco mobility anchor for a guest WLAN?

1. To increase antenna gain
2. To provide centralized termination of guest traffic
3. To assign RF channels
4. To authenticate APs using certificates

Correct Answer: 2. To provide centralized termination of guest traffic

Explanation:

A mobility anchor can provide a centralized point where guest WLAN traffic is terminated. Foreign controllers can establish mobility tunnels toward the anchor, allowing guest traffic to be forwarded to a designated network while maintaining the desired guest isolation and centralized policy. Antenna gain and RF channel assignment are unrelated to mobility anchoring, and AP authentication is handled through other controller and security mechanisms. Centralized guest traffic termination is therefore the primary purpose of using a mobility anchor in this type of wireless architecture.

Question 187: Which Cisco wireless feature is primarily used to identify and mitigate non-Wi-Fi interference affecting wireless channels?

1. CleanAir
2. RADIUS
3. DHCP Proxy
4. 802.1X

Correct Answer: 1. CleanAir

Explanation:

Cisco CleanAir provides RF intelligence designed to detect, classify, and help mitigate sources of interference, including non-Wi-Fi interference. It uses supported AP hardware and spectrum-related information to provide visibility into interference sources and their impact on wireless operation. RADIUS provides AAA services, DHCP Proxy assists with IP address assignment, and 802.1X provides network access authentication. Therefore, CleanAir is the Cisco wireless capability most directly associated with identifying and analyzing non-Wi-Fi interference.

Question 188: In a Cisco wireless network, what is the purpose of DHCP Proxy on a controller?

1. To provide RF channel selection
2. To encrypt CAPWAP traffic
3. To assist in forwarding DHCP requests between wireless clients and the DHCP server
4. To perform application classification

Correct Answer: 3. To assist in forwarding DHCP requests between wireless clients and the DHCP server

Explanation:

DHCP Proxy on a Cisco wireless LAN controller can assist with DHCP communication between wireless clients and DHCP servers. The controller can receive client DHCP requests and forward them toward the configured DHCP server, helping maintain the expected client address-assignment process in controller-based deployments. RF channel selection is handled by wireless RF management functions, CAPWAP provides AP-controller communication, and application classification is associated with features such as AVC. Therefore, DHCP Proxy is primarily associated with handling DHCP communication for wireless clients.

Question 189: Which wireless design issue can occur when an AP transmits at unnecessarily high power compared with neighboring APs?

1. Reduced cell size
2. Excessive cell overlap and increased co-channel contention
3. Elimination of all interference
4. Automatic improvement of roaming decisions

Correct Answer: 2. Excessive cell overlap and increased co-channel contention

Explanation:

Excessive AP transmit power can cause wireless cells to become larger than intended. This may increase overlap between neighboring APs and cause more devices to hear the same RF channels, increasing co-channel contention and potentially affecting capacity. High transmit power does not automatically improve roaming because client transmit power and roaming behavior must also be considered. It does not eliminate interference either. Proper transmit-power planning is therefore important for maintaining appropriately sized cells and controlling unnecessary RF overlap in a wireless deployment.

Question 190: Which wireless technology allows an AP to transmit to multiple clients simultaneously using different spatial streams?

1. MU-MIMO
2. PMF
3. DFS
4. TWT

Correct Answer: 1. MU-MIMO

Explanation:

Multi-User Multiple-Input Multiple-Output (MU-MIMO) enables a compatible access point to communicate with multiple clients simultaneously using separate spatial streams. This can improve wireless efficiency and capacity when supported by the AP, clients, and RF environment. PMF provides management-frame protection, DFS manages channels subject to radar-detection requirements, and TWT coordinates scheduled client wake periods. MU-MIMO should not be confused with OFDMA, which divides a channel into smaller frequency resource units. Therefore, MU-MIMO is the technology directly associated with simultaneous multi-client transmission through spatial streams.

Question 191: Which Cisco wireless feature allows an administrator to apply customized RF parameters to groups of access points serving a particular deployment type?

1. RADIUS
2. RF Profile
3. Mobility Anchor
4. CAPWAP Discovery

Correct Answer: 2. RF Profile

Explanation:

An RF Profile allows administrators to define a set of radio configuration parameters and apply those parameters to groups of access points. This can be useful when different areas of an organization require different RF behavior, such as high-density environments, offices, warehouses, or other specialized deployment types. RADIUS provides AAA services, Mobility Anchors support traffic tunneling, and CAPWAP Discovery helps APs locate controllers. Therefore, an RF Profile is the appropriate Cisco feature for applying customized RF parameters to groups of APs.

Question 192: Which 802.11ax feature helps reduce contention by allowing an access point to schedule transmissions for multiple clients using smaller frequency resource units?

1. OFDMA
2. 802.11r
3. PMF
4. BSS Coloring

Correct Answer: 1. OFDMA

Explanation:

Orthogonal Frequency-Division Multiple Access (OFDMA) allows an 802.11ax access point to divide a channel into smaller resource units and allocate those resources to multiple clients. This can improve efficiency, particularly when several clients have relatively small amounts of data to transmit. BSS Coloring improves spatial reuse by helping devices distinguish transmissions from overlapping BSSs, while 802.11r focuses on fast roaming and PMF protects management frames. Therefore, OFDMA is the Wi-Fi 6 technology directly associated with allocating smaller frequency resources to multiple clients.

Question 193: Which RF measurement is most useful for determining whether a received wireless signal is strong relative to background noise?

1. RSSI
2. EIRP
3. SNR
4. Channel number

Correct Answer: 3. SNR

Explanation:

Signal-to-Noise Ratio (SNR) compares the strength of the desired received signal with the surrounding RF noise. A higher SNR generally indicates that the receiver can distinguish the desired signal more effectively from background noise. RSSI provides information about received signal strength but does not by itself describe the noise environment. EIRP represents effective radiated transmit power, while a channel number identifies the RF channel in use. Therefore, SNR is the most useful measurement when evaluating signal quality relative to the noise floor.

Question 194: Which wireless feature allows supported clients to sleep for scheduled periods to conserve battery power?

1. TWT
2. CleanAir
3. AVC
4. DFS

Correct Answer: 1. TWT

Explanation:

Target Wake Time (TWT) is an 802.11ax capability that allows supported clients and access points to coordinate scheduled wake periods. A client can remain in a lower-power state outside its scheduled communication period, which can reduce unnecessary radio activity and improve battery efficiency. CleanAir focuses on RF interference, AVC provides application visibility and control, and DFS manages certain 5-GHz channels affected by radar requirements. Therefore, TWT is the feature most directly associated with scheduled client wake periods and wireless power efficiency.

Question 195: Which wireless security mechanism provides protection for management frames such as deauthentication and disassociation messages?

1. DHCP Proxy
2. Protected Management Frames
3. RRM
4. RADIUS Accounting

Correct Answer: 2. Protected Management Frames

Explanation:

Protected Management Frames (PMF), associated with IEEE 802.11w, provide cryptographic protection for supported wireless management frames. This helps reduce attacks that rely on forged management messages, including certain deauthentication and disassociation attacks. RRM manages RF resources, DHCP Proxy assists with DHCP communication, and RADIUS Accounting records AAA-related information. PMF is therefore the security mechanism specifically designed to protect supported management traffic from spoofing and unauthorized modification.

Question 196: What is the primary purpose of an 802.11k Neighbor Report?

1. To provide a client with information about nearby candidate APs
2. To encrypt wireless data
3. To assign an IP address
4. To authenticate the client through RADIUS

Correct Answer: 1. To provide a client with information about nearby candidate APs

Explanation:

An 802.11k Neighbor Report provides wireless clients with information about nearby access points that may be suitable roaming candidates. This can reduce the amount of time a client needs to spend scanning channels to discover neighboring APs and can help improve roaming efficiency. 802.11k does not provide encryption, DHCP services, or RADIUS authentication. Those functions belong to other wireless and network mechanisms. Therefore, providing clients with information about nearby candidate APs is the primary purpose of the 802.11k Neighbor Report.

Question 197: Which Cisco wireless capability provides application-level traffic visibility and can help prioritize or control applications?

1. AVC
2. DFS
3. PMF
4. AP Fallback

Correct Answer: 1. AVC

Explanation:

Application Visibility and Control (AVC) provides visibility into application traffic and can support application-aware policies within supported Cisco wireless deployments. This allows administrators to understand which applications are consuming network resources and, where supported, apply appropriate traffic-management or quality-of-service policies. DFS addresses radar-related channel requirements, PMF protects management frames, and AP Fallback concerns controller redundancy behavior. Therefore, AVC is the capability most directly associated with application-level visibility and control.

Question 198: Which condition is most likely to cause a wireless client to experience poor performance even when its RSSI is strong?

1. Low channel utilization and low noise
2. High SNR
3. High channel utilization or significant RF interference
4. Excellent RF isolation

Correct Answer: 3. High channel utilization or significant RF interference

Explanation:

A strong RSSI does not necessarily mean that a client has a healthy wireless connection. If channel utilization is high, many devices may be competing for airtime, reducing the amount of time available for the client to transmit. Significant RF interference can also reduce effective signal quality and increase retransmissions even when the desired signal is strong. SNR, channel utilization, noise, and retransmission behavior should therefore be considered together when troubleshooting wireless performance. High channel utilization or significant interference can explain poor performance despite a strong RSSI reading.

Question 199: Which Cisco wireless feature can automatically adjust AP transmit power and channel assignments based on changing RF conditions?

1. RRM
2. SSO
3. RADIUS
4. Bonjour Gateway

Correct Answer: 1. RRM

Explanation:

Radio Resource Management (RRM) continuously evaluates RF conditions and can dynamically adjust parameters such as AP transmit power and channel assignments according to configured policies and detected RF conditions. This helps the wireless infrastructure adapt to changes in interference, coverage, and neighboring AP behavior. SSO provides controller redundancy, RADIUS provides AAA services, and Bonjour Gateway supports service discovery across network boundaries. Therefore, RRM is the Cisco wireless capability most directly associated with automated RF channel and transmit-power management.

Question 200: Which design approach is most appropriate when planning wireless coverage for a high-density environment?

1. Maximize transmit power on every AP
2. Use the widest possible channels everywhere
3. Reduce the number of APs to minimize RF devices
4. Design smaller cells with appropriate channel reuse and capacity planning

Correct Answer: 4. Design smaller cells with appropriate channel reuse and capacity planning

Explanation:

High-density wireless environments require capacity planning rather than simply maximizing coverage. Smaller, appropriately designed cells can distribute clients and airtime across more access points, while careful channel reuse helps control co-channel contention. Channel width should also be selected according to available spectrum and capacity requirements rather than automatically using the widest option. Excessive transmit power can enlarge cells and increase contention, while reducing the number of APs can concentrate too many clients onto limited airtime. Therefore, smaller cells combined with appropriate channel reuse and capacity planning are important elements of high-density wireless design.