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Exam Code: 640-722
Exam Name: Implementing Cisco Unified Wireless
Networking Essentials
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NO.1 A controller is connected to a Cisco Catalyst switch. The switch port
configuration looks like
this:
interface GigabitEthernet 1 /
0/10
switchport
switchport trunk encapsulation dot1q
switchport trunk
allowed vlan 1,20,30,50
switchport trunk native vlan 20
switchport mode
trunk
Which controller CLI command assigns its management interface to the
native VLAN interface of the
Cisco Catalyst switch?
A. config interface
vlan management 0
B. config interface vlan management 1
C. config
interface vlan management 20
D. config interface vlan management 30
E.
config interface vlan management 50
Answer: A
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Explanation:
Since the
controller management interface is connected to the native vlan interface of the
Cisco
Catalyst switch, the correct command is: config interface vlan
management vlan-id 0
(http://www.cisco.com/en/US/docs/wireless/controller/
5.0/configuration/guide/c5mint.html#wp11
82
NO.2 The IEEE 802.11n
standard provides 40-MHz channels, improved MAC efficiency, and MIMO.
Which
three elements define the 802.11n implementation of MIMO? (Choose three.)
A.
channel bonding
B. dynamic frequency selection
C. maximal ratio
combining
D. packet aggregation
E. spatial multiplexing
F. transmit
beam forming
Answer: C,E,F
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NO.3 Which two
statements about WiMAX technology are true? (Choose two.)
A. WiMAX is defined
by 802.11i.
B. Typically, fixed WiMAX networks have a higher-gain directional
antenna installed near the client.
C. WiMAX is capable of working as a
long-range system over several miles.
D. WiMAX works only for licensed
frequencies.
Answer: B,C
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NO.4 Which description best describes
upfade in a multipath environment?
A. In this situation, multiple signal
paths are not sent at exactly the same time. The receiver receives
a positive
crest on the primary signal and a negative crest on the secondary signal.
B.
In this situation, the multiple signal paths are distorted and difficult to
understand.
C. In this situation, the multiple signal paths are weaker than
they should be because the signals are
out of phase with each other.
D. In
this situation, the signal is stronger than it should be because multiple signal
paths are
received twice at exactly the same time, which results in the
multiple signals being in-phase.
Answer: D
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NO.5 Which statement about
an infrastructure basic service set is true according to IEEE
802.11
specifications?
A. The set also is called an ad hoc network.
B.
The BSSID is generated from the first wireless client that starts up in the
IBSS.
C. The set enables the use of ESS.
D. No signals are relayed from
one client to another client.
Answer: C
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NO.6 Which governing body
analyzes the applications and environments in which wireless networks
are
used?
A. EIRP
B. ETSI
C. FCC
D. IEEE
E. WiFi Alliance
Answer:
D
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NO.7 Which two
items are needed to discover the IP address of a new Cisco Aironet
1260
autonomous AP that just finished booting? (Choose two.)
A. username =
"cisco" and password = "cisco"
B. username = "Admin" and password =
"Cisco"
C. username=Cisco and password=Cisco
D. show int vlan1
E. show
int bvi1
F. show int gigabitethernet0
G. show int radio0-802.11n
H.
show int radio1-802.11n
Answer:
C,E
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9. Which statement
correctly describes the procedure for a lightweight AP to
successfully
establish a connection to a controller?
A. The AP
authenticates the received Cisco WLC certificate as valid. The AP then sends its
certificate
to the controller.
B. The AP sends its certificate to the
controller. The AP then authenticates the received Cisco WLC
certificate as
valid.
C. The AP sends its certificate to the RADIUS server. The AP then
authenticates the controller
certificate as valid.
D. The AP sends its
certificate to the RADIUS server. The AP then authenticates the
RADIUS
certificate as valid.
E. The AP authenticates the received RADIUS
server certificate as valid. The AP then sends its
certificate to the RADIUS
server.
F. The AP authenticates the received RADIUS server certificate as
valid. The AP then sends its
certificate to the controller.
Answer:
B
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10. Which two statements about
the requirements to configure inter-controller roaming are true?
(Choose
two.)
A. The same mobility domain names are configured across
controllers.
B. The same RF group names are configured across
controllers.
C. The same controller hardware version is configured across
controllers.
D. The same AP manager interface is configured across
controllers.
E. The same virtual interface is configured across
controllers.
F. The same controller software version is configured across
controllers.
Answer: A,E
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11. Which two statements best
describe the LAG configuration between a Cisco WLC and a Cisco
Catalyst
switch? (Choose two.)
A. The Catalyst switch should be configured for PAgP
.
B. The Catalyst switch should be configured only for Layer 2 load
balancing.
C. The Catalyst switch should be configured for "on" mode.
D.
The Cisco WLC relies on the connected switch to perform the load-balance of
traffic.
E. The Cisco WLC aggregates multiple management interfaces into a
single virtual interface.
Answer: C,D
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12. Which two Cisco Unified Wireless Network capabilities
use information that is provided by
Radio Resource Management neighbor
messages in version 7.0 MR1? (Choose two.)
A. aggressive load balancing
B.
dynamic channel assignment
C. hybrid remote edge access point
D.
inter-controller mobility (that is, mobility groups)
E. rogue AP
classification
Answer: B,E
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13. The wireless
network is using controller-based APs and version 7.0 MR1. The APs appear
to
be connected properly to the controllers. A wireless user near one of the
APs reports that they are
unable to connect to the network with their
pre-shared key.
Which option shows the GUI path where you can check the
connection status of that client?
A. WLANs > WLAN_ID > Advanced
B.
Security > Clients
C. Security > Advanced > Clients
D. Monitor
> Clients
E. Wireless > 802.11b/g/n > clients
Answer:
D
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14. You are about to use a hotel's guest wireless services using
a wireless laptop.
Which three items do you need to establish a wireless
connection? (Choose three.)
A. SSID name
B. RF channel
C. RF
signal
D. 802.1X/EAP credentials
E. pre-shared key
F. web page
G.
WPA/WPA2 settings
Answer: A,C,F
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15. Refer to the exhibit.
Which three switch port
types are valid for these connections? (Choose three.)
A. access
B.
port-channel
C. port-channel trunk
D. trunk
E. port-channel
access
F. routed port
Answer: A,C,D
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NO.8 Which two factors must be considered when evaluating
an RF interferer for severity? (Choose
two.)
A. distance from the AP
B.
dBm
C. the type of security crack being used
D. duty cycle
E. number of
interfering IP stations in the cell
F. duplicate SSID
Answer:
B,D
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