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问题 #1

Clustering Cisco WLCs into a single RF group enables the RRM algorithms to scale beyond the capabilities of a single Cisco WLC. How many WLC and APs in an RF group can the controller software scale up to in WLC release 8.9 depending on the platform?

A. up to 20 WLCs and 1000 APs

B. up to 20 WLCs and 3000 APs

C. up to 20 WLCs and 4000 APs

D. up to 20 WLCs and 6000 APs

正确答案：A

问题 #2

A network engineer is configuring high availability on an access point. What is the maximum number of controllers that can be configured?

A. 1

B. 2

C. 3

D. 4

正确答案：ACD

问题 #3

An engineer must create data-link redundancy for the company’s Cisco Wireless LAN Controller. The engineer has decided to configure LAG-based redundancy instead of port-based redundancy. Which three features of LAG-based redundancy influenced this decision? (Choose three.)

A. Packets are always sent out on the same port they are received on.

B. All interface traffic passes as long as one port is up.

C. The same port has multiple untagged dynamics interfaces.

D. Interface connection to two separate nonstacked switches is available.

E. Full bandwidth of all links is available.

F. Ports are grouped into multiple LAGs.

正确答案：A

问题 #4

What is the recommended cell overlap when designing a wireless network for Cisco Hyperlocation?

A. 20%

B. 30%

C. 40%

D. 50%

正确答案：AC

问题 #5

An engineer has performed a predictive site survey for high-speed data and voice in an indoor office. What is the recommended data rate with -67 dBm signal level for optimal VoWLAN design?

A. 6 Mbps on 802.11 bgn

B. 24 Mbps on 802.11 bgn

C. 12 Mbps on 802.11 an

D. 24 Mbps on 802.11 an

正确答案：B

问题 #6

An engineer has successfully configured high availability and SSO using two Cisco 5508 Wireless LAN Controllers. The engineer can access the Active Primary WLC, but the Secondary Standby WLC is not accessible. Which two methods allow access to the standby unit? (Choose two.)

A. via the console connection

B. SSH to the redundancy management interface of the primary WLC

C. SSH to the service port interface

D. SSH to the virtual interface of the secondary WLC

E. SSH to the management interface of the primary WLC

正确答案：B

问题 #7

A wireless engineer is performing a post verification of a wireless network. Which two metrics does the engineer verify to ensure that the wireless network can support voice services? (Choose two.)

A. The coverage area must have a noise floor that does not exceed -87 dBm.

B. The client device must have at least an -67 dBm RSSI.

C. The rate of retransmitted packets must be 15 percent or below.

D. The rate of retransmitted packets must be 20 percent or below.

E. The client device must have at least an -65 dBm RSSI.

正确答案：BE

问题 #8

An engineer must speed up the reauthentication delays that are being experienced on the wireless infrastructure by deploying a key-caching mechanism. Which mechanism must be configured?

A. PEAP

B. FT

C. PMF

D. GTK-randomization

正确答案：D

问题 #9

A wireless deployment in a high-density environment is being used by vendors to process credit card payment transactions via handheld mobile scanners. The scanners are having problems roaming between access points in the environment. Which feature on the wireless controller should have been incorporated in the design?

A. RX SOP

B. 802.11w

C. AP Heartbeat Timeout

D. Application Visibility Control

正确答案：B

问题 #10

An engineer is designing a wireless deployment for a university auditorium. Which two features can be used to help deal with the issues introduced by high AP count? (Choose two.)

A. TSPEC

B. RXSOP

C. TPC

D. LSS

E. DFS

正确答案：CE

问题 #11

An engineer has deployed a group of APs in an auditorium and notices that the APs are showing high co-channel interference. Which profile can be used to adjust the parameters for these high-density APs?

A. QoS profile

B. AVC profile

C. RF profile

D. ISE profile

正确答案：B

问题 #12

Which CLI command does an engineer use to validate that the redundancy peer of a Stateful Switchover pair of controllers is up and connected?

A. rping

B. ping

C. eping

D. mping

正确答案：BC

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