Latest Cisco CCIE 350-050 Real Exam Download 251-260

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QUESTION 251

In the Cisco Unified Wireless Network (CUWN) model, which of the following mappings is correct at the AP level?

 

A.

The AP maps IP DSCP 46 (EF) to IEEE 802.11e UP CoS 6.

B.

The AP maps IP DSCP 46 (EF) to IEEE 802.11e UP CoS 5.

C.

The AP maps IEEE 802.11e UP CoS 6 to 802.1p UP CoS 5.

D.

The AP maps IEEE 802.11e UP CoS 5 to 802.1p UP CoS 6.

 

Answer: A

 

 

QUESTION 252

You enabled CAC on your autonomous AP. Which two of these statements are true? (Choose two.)

 

A.

If WMM is enabled, non-WMM clients are still able to prioritize voice packets.

B.

If WMM is disabled, the AP will prioritize voice packets.

C.

If WMM is enabled, the AP will prioritize voice packets.

D.

If WMM is disabled, WMM clients are still able to prioritize voice packets internally.

 

Answer: CD

 

 

QUESTION 253

A network administrator is trying to convert a Cisco Aironet 1250 Series Lightweight Access Point back to autonomous mode using a TFTP server and AP mode button. DHCP Option 43 is configured, but the AP is not connected to the controller. Console and physical access to the AP has been established. The TFTP server is local to the PC and the directory has the original image of “c1250-k9w7-tar.124-10b.JDA3.tar,” downloaded from Cisco.com. The PC is directly connected to the access point, but the conversion is failing. Which one of these statements is a possible reason for the failure?

 

A.

The 1250 Series AP is a lightweight-only AP and needs a WLC.

B.

The image filename is incorrect.

C.

The lightweight AP has to be joined to the WLC and then converted, using the config ap tftp- downgrade

command.

D.

Telnet is not enabled on the AP or WLC.

E.

The network administrator needs to use the archive command directly on the AP for this procedure to complete.

 

Answer: B

 

 

QUESTION 254

Company XYZ needs to establish network connectivity to a newly acquired, adjacent building less than 1 kilometer (3280 feet) away. The project calls for implementing a wireless solution using autonomous access points in a point-to-point bridging solution using external antennas on interface dot11radio1. You need to secure the bridge link with strong EAP, DOT1x, and WPA methods, using a local RADIUS server. However, the link cannot be established and the following message is observed in the logs: “DOT1X_SHIM-3-SUPP_START_FAIL: Unable to start supplicant on Dot11Radio1.” What is most likely the root cause?

 

A.

The non-root bridge is not configured for WPA key management.

B.

There is RF interference corrupting the 802.11b/g RF signal.

C.

The non-root bridge does not have the correct authentication credentials configured.

D.

The RADIUS service on the root bridge is not started or needs to be restarted.

 

Answer: C

 

 

QUESTION 255

Company ABC is implementing a point-to-point bridging solution to a building approximately 3 kilometers (1.86 miles) away. The equipment used will be two autonomous access points set to frequency 2412 Mhz with external antennas. The bridge link will be authenticated using an external RADIUS server. While looking at the interface statistics, the network administrator observes duplicate frames in the receive counters. What is most likely the root cause of these duplicate frames?

 

A.

The antennae are not installed on the primary port.

B.

The counters on interface dot11radio1 are most likely due to the RF signal being corrupted by an

outside interference source.

C.

The non-root bridge is failing the authentication process and, as a result, sending and receiving intermittently.

D.

The distance parameter is not configured.

E.

There is no clear LOS between the two buildings. The access points need to be mounted on higher

masts to obtain the proper clearance.

 

Answer: D

 

 

QUESTION 256

Which three of the below statements is true about Radio Resource Management Neighbor messages? (Choose three.)

 

A.

they are transmitted at minimum power

B.

they are transmitted at maximum power

C.

they are transmitted at the highest data rate

D.

they are transmitted at the lowest supported data rate

E.

they are transmitted on all serviced channels

F.

they are transmitted every 60 seconds

 

Answer: BDF

 

 

QUESTION 257

A user reported that, when viewing a video over the wireless network, the video keeps dropping every 30 minutes. What is the most likely cause?

 

A.

Interference is causing the connection to drop.

B.

The default session timeout is deauthenticating the client.

C.

The WLC, by default, changes channel every 30 minutes.

D.

The idle timeout is disassociating the client.

 

Answer: B

 

 

QUESTION 258

You have been hired by an organization that would like to grow their wireless deployment from 150 to 300 users. They only have 200 available addresses on the current wireless subnet and are looking for recommendations on how to overcome this limitation. They have already created a second interface in another subnet that provides 200 additional addresses to accommodate the additional users. Which two of the below actions would you recommend? (Choose two.)

 

A.

Use the local DHCP server on the WLC to assign addresses.

B.

Create AP groups, assign APs to the groups and assign different interfaces to the WLAN for each group.

C.

Configure LACP on the WLC.

D.

Change the default maximum number of allowed clients.

E.

Create an interface group and assign the interface group to the WLAN.

F.

Configure Passive Client on the WLAN.

 

Answer: BE

 

 

QUESTION 259

Which WLC feature allows an administrator to limit a wireless client to trigger a change in the AP power settings?

 

A.

Wireless Protection Policies

B.

Management Frame Protection

C.

Cisco Aironet Extensions

D.

Coverage Hole Detection

E.

Transmit Power Control

 

Answer: D

 

 

QUESTION 260

Which three of these options are variables used within the TPC algorithm to determine the transmit power? (Choose three.)

 

A.

antenna gain (dBi)

B.

antenna gain (dBm)

C.

RSSI of third highest neighbor above the threshold

D.

SNR of third highest neighbor above the threshold

E.

Tx power control threshold

F.

client SNR cutoff value

G.

number of neighbors

H.

Tx Max

 

Answer: CEH

 

 

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