Ensurepass

QUESTION 21

Refer to the exhibit. What two items need to be supported on the VoWLAN phones in order to take full advantage of this WLAN configuration? (Choose two.)

 

clip_image002

 

A.

802.11e

B.

WMM

C.

802.11a

D.

802.11r

E.

APSD

F.

SIFS

 

Correct Answer: AB

 

 

QUESTION 22

IGMP snooping has been enabled on a Cisco WLC v7.0, along with any other configurations that are required for wireless multicast. After a wireless client has joined a multicast group, which IP address is listed by the router as the source reporter for that multicast group?

 

A.

first wireless client to join

B.

last wireless client to join

C.

Cisco WLC AP management interface address

D.

Cisco WLC management interface address

E.

Cisco WLC virtual interface address

F.

Cisco WLC dynamic interface address

 

Correct Answer: F

 

 

QUESTION 23

Using proper VoWLAN design practice, what would be a reasonable total number of calls for a properly designed 802.11g cell to ensure call quality?

 

A.

4

B.

7

C.

14

D.

20

E.

25

F.

27

 

Correct Answer: C

 

 

QUESTION 24

Refer to the exhibit. What CoS marking is DSCP EF translated too?

 

clip_image004

 

A.

2

B.

3

C.

4

D.

5

E.

6

F.

7

 

Correct Answer: B

 

 

QUESTION 25

A network engineer is having wireless multicast fail when it hits the wired network. What command will show the source of multicast groups for troubleshooting?

 

A.

show ip igmp

B.

show ip mroute

C.

show ip mcache

D.

show ip interface counts

E.

show ip route

 

Correct Answer: B

 

 

QUESTION 26

A network engineer is deploying wireless voice with a 20% overlap at -67dBm. After testing, the cell edge is determined to be 50 feet from the AP. How far away should the next AP be placed?

 

A.

60 feet

B.

70 feet

C.

80 feet

D.

90 feet

E.

100 feet

 

Correct Answer: D

 

 

QUESTION 27

Refer to the exhibit. What two items of multicast information can be interpreted from the WLC display? (Choose two.)

 

clip_image006

 

A.

WLC-to-AP multicast mode is configured for Unicast.

B.

WLC-to-AP multicast mode is configured for multicast.

C.

IGMP snooping is disabled.

D.

IGMP snooping is enabled.

E.

VideoStream is allowed for the wireless client.

F.

VideoStream is not allowed for the wireless client.

 

Correct Answer: DE

 

 

QUESTION 28

An engineer is configuring a new VoWLAN and wants only IEEE 802.11g/n to be supported. Which two data rates should be configured? (Choose two.)

 

A.

18 Mbps and higher should be supported.

B.

Lower than 24 Mbps should be supported.

C.

Lower than 11 Mbps should be disabled.

D.

1, 2, 5.5, and 11 Mbps should be disabled.

E.

11 Mbps should be mandatory.

F.

6 and 9 Mbps should be supported.

G.

12 Mbps should be mandatory.

 

Correct Answer: AG

 

 

QUESTION 29

Which two critical requirements must be addressed in the RF site survey for wireless video surveillance? (Choose two.)

 

A.

packet loss

B.

jitter

C.

bandwidth

D.

channel selection

E.

WLC configuration

 

Correct Answer: AB

 

 

QUESTION 30

A Cisco partner has finished completing a CUWN install for a healthcare customer. After completing the deployment, the support center has received a ticket stating the 7925 VoIP phones will not connect in a few of the remote offices. The phones display ‘configuring IP’ consistently. What would be the next step for troubleshooting?

 

A.

verify option 43 has been configured

B.

verify option 150 has been configured

C.

verify the DNS server has been configured

D.

verify the domain name has been configured

 

Correct Answer: B

 

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