[Free] Download New Updated (October 2016) Cisco 642-747 Real Exam 61-70

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QUESTION 61

Cisco WLC v7.0 is configured on 2.4 GHz for mandatory data rates of 9 and 18 Mb/s. Data rates of 6, 12, 24, 36, 48, and 54 Mb/s are configured as supported. All other data rates are disabled. Which three results can be determined from this configuration? (Choose three.)

 

A.

802.11b/g/n clients are able to connect.

B.

802.11a/n clients are able to connect.

C.

Clients must be able to receive packets at 18 Mb/s.

D.

Clients must be able to receive packets at 9 Mb/s.

E.

Broadcast and multicast packets are sent at 18 Mb/s.

F.

Broadcast packets are sent at 9 Mb/s, while multicast packets are sent at 18 Mb/s.

G.

Broadcast packets are sent at 18 Mb/s, while multicast packets are sent at 9 Mb/s.

 

Correct Answer: ADF

 

 

QUESTION 62

Which two statements describe the difference between a Cisco WGB and a universal WGB in a wireless network? (Choose two.)

 

A.

Universal WGB associates with its own MAC address on behalf of its wired clients.

B.

Cisco WGB associates with its own MAC address on behalf of its wired clients.

C.

Universal WGB associates using one of the wired client MAC addresses.

D.

Cisco WGB associates using one of the wired client MAC addresses.

 

Correct Answer: BC

 

 

QUESTION 63

A company has reached 10 instances of WCS and 22,000 access points. If the company were to install Cisco WCS Navigator, how many additional WCS instances and APs could be supported?

 

A.

8000 APs

5 WCS instances

B.

8000 APs

10 WCS instances

C.

18000 APs

5 WCS instances

D.

18000 APs

10 WCS instances

 

Correct Answer: B

 

 

QUESTION 64

A wireless client is connected at 54 Mb/s to a MAP. That MAP has two hops to reach the RAP. The mesh backbone is operating at a 48-Mb/s link data rate. What is the throughput that the client can expect?

 

A.

48 Mb/s

B.

36 Mb/s

C.

24 Mb/s

D.

12 Mb/s

E.

6 Mb/s

 

Correct Answer: D

 

 

QUESTION 65

GPS systems are an example of which location tracking?

 

A.

AoA

B.

RSS lateration

C.

TDoA

D.

ToA

 

Correct Answer: D

 

 

QUESTION 66

What are two benefits of Cisco wireless Mesh? (Choose two.)

 

A.

per-user or per-WLAN traffic rate limiting

B.

static AP Channel Balancing

C.

intelligent Tx_Pwr Levels

D.

fixed Root AP Assignment

E.

does not require a WLC

 

Correct Answer: AC

 

 

QUESTION 67

A new 802.11a/b/g/n RF calibration model is required for a floor map for Cisco WCS v7.0. Which method provides the easiest and complete new calibration?

 

A.

point mode with 150 total measurements

B.

point mode with 300 total measurements

C.

linear mode with 150 total measurements

D.

linear mode with 300 total measurements

 

Correct Answer: D

 

 

QUESTION 68

An engineer is configuring a category of event notifications that currently does not exist on the WCS. What step must be completed first to create this new event?

 

A.

define what will trigger the notification

B.

define an event definition

C.

define an event group

D.

define where to send the notification

 

Correct Answer: C

 

 

 

QUESTION 69

An engineer is designing a WLAN for context aware services and has to mount antennas higher than planned. What is the maximum recommended antenna mounting height for satisfactory performance?

 

A.

10 feet

B.

20 feet

C.

30 feet

D.

40 feet

 

Correct Answer: B

 

 

QUESTION 70

A calibration model has been created for a specific floor in Cisco WCS v7.0. Which two events are more likely to affect location accuracy and compel a new calibration? (Choose two.)

 

A.

additional local mode APs installed

B.

changes in office interior walls location and type

C.

additional monitor mode APs installed

D.

change in inventory type stocked in warehouse

E.

compass direction change in omnidirectional antenna

 

Correct Answer: BD

 

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