[Free] Download New Updated (October 2016) Cisco 642-747 Real Exam 21-30

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QUESTION 21

The primary Cisco WLC v7.0 has rebooted to a newer version of software, causing the APs to associate to the secondary controller or controllers. Given the default configuration parameters, what happens when the primary Cisco WLC is back in service?

 

A.

APs remain on the existing controller.

B.

APs remain on the existing controller until the APs are loaded with newer software, and then will return to the primary controller.

C.

APs return to the prior controller on a first-come, first-serve basis.

D.

APs return to the prior controller based on AP Failover Priority Level 1 first, followed by 2 through 4 ascending.

E.

APs return to the prior controller based on AP Failover Priority Level 4 first, followed by 3 through 1 descending.

 

Correct Answer: C

 

 

QUESTION 22

Which location-tracking solution requires clock synchronization on receivers only?

 

A.

cell of origin

B.

modified cell of origin

C.

AoA

D.

ToD

E.

TDoA

F.

RSS trilateration

 

Correct Answer: E

 

 

QUESTION 23

What does “default parent” indicate for a MAP that is displayed in Cisco WLC v7.0?

 

A.

normal status indicating two or more hops to the final RAP

B.

normal status indicating that the next hop is the final RAP

C.

normal status that is displayed while the MAP is moving toward a preferred next hop

D.

abnormal status indicating mismatching parameters

E.

abnormal status indicating a poor signal

 

Correct Answer: D

 

 

QUESTION 24

A MSE is sometimes showing a tag on the wrong floor of a multifloor warehouse. What technology would improve location performance?

 

A.

Chokepoint transmitters

B.

Spectrum Intelligence

C.

Adaptive wIPS

D.

Additional MSE

 

Correct Answer: A

 

 

QUESTION 25

An engineer is asked to keep the client location history for longer time periods. The MSE is currently using default values. How many times larger will the database be expected to grow if retention is changed to 240 days?

 

A.

2

B.

4

C.

8

D.

12

E.

16

 

Correct Answer: C

 

 

QUESTION 26

How is distance determined using the RF fingerprinting technique?

 

A.

modified cell of origin

B.

difference in signal time arrival between locations

C.

RSS lateration using angle of arrival

D.

RSS lateration using enhanced path loss modeling

 

Correct Answer: D

 

QUESTION 27

Which two statements describe the software v7.0 implementation of LAG on a Cisco controller? (Choose two.)

 

A.

It is supported on Cisco WLC 2500.

B.

It is supported on the Cisco FlexConnect 7500 controller.

C.

Fewer IP addresses are required.

D.

The LAG port becomes port 15.

E.< /font>

The LAG port becomes port 29.

F.

The switch channel group negotiates with LAGP.

G.

The switch channel group negotiates with PaGP.

 

Correct Answer: CF

 

 

QUESTION 28

An AP will be deployed to an area where DHCP option 43 is unavailable and the WLAN engineer is unable to have DNS modifications made to support this AP. What two actions can enable the AP to join the WLC? (Choose two.)

 

A.

pre-stage or prime the AP on the same Layer 2 VLAN as the WLC

B.

issue the capwap ap controller ip address WLC IP address command in the AP’s console

C.

issue the clear capwap private-config command in the AP’s console

D.

issue the capwap ap ip default-gateway WLC IP address command in the AP’s console

E.

issue the capwap ap ip address WLC IP address command in the AP’s console

 

Correct Answer: AB

 

 

QUESTION 29

An engineer is configuring a WLAN to be unavailable after certain hours in the evening by creating a schedule on the WLAN. What should the engineer expect to happen if “Enabled” is selected on the “Admin Status” after clicking Submit, if the current “Admin Status” is “Enabled”?

 

A.

The WLAN will immediately be disabled and become enabled at the scheduled time.

B.

The WLAN will immediately be enabled and become disabled at the scheduled time.

C.

The WLAN will maintain the Enabled Admin Status and stay enabled at the scheduled time.

D.

The WLAN will maintain the current Enabled Admin Status and change to Disabled Admin Status at the Scheduled time.

 

Correct Answer: A

 

 

QUESTION 30

Cisco WCS v7.0 with the 3300 Series MSE is Cisco licensed for tracking 2000 client devices. Configuration tuning has been performed on Cisco WCS for Cisco MSE tracking parameters to limit tracking to 1500 wireless client devices. What is the result of this tuning?

 

A.

Client devices that are greater than the limit are not reported.

B.

Client devices that are greater than the limit are only summarized.

C.

An email alert is sent when the limit is reached.

D.

A syslog event is sent when the limit is reached.

E.

500 licenses can be used for wIPS.

F.

500 licenses can be used for TDoA tags.

 

Correct Answer: B

 

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