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QUESTION 86
The results of a Cisco WCS client troubleshooting tool are summarized into a simple visual representation
of a four-part progression of the connection status for a wireless client.
What are the four parts? (Choose four.)

A. client MAC address
B. 802.11 authentication “First Test, First Pass” – www.lead2pass.com 29 Cisco 640-722 Exam
C. IP address assignment
D. 802.11 association
E. successful association
F. authentication method
G. SSID
H. client radio type

Correct Answer: BCDE
QUESTION 87
Refer to the exhibit. Which action allows you to view a summary count by alarm types for the displayed total of 11 alarms?

A. Choose Monitor > Alarms
B. Click the Security tab
C. Click a respective number in the Alarm Summary
D. Click the Alarm Summary blue arrow
E. Choose Home (house icon) > Alarm Summary

Correct Answer: D
QUESTION 88
Which two statements about the Cisco WLC and AP code upgrade when 7.0 is running are true? (Choose two.)
A. The AP can download and run new code only after a Cisco WLC reboot causes the AP discovery and join.
B. The AP can download new code before the Cisco WLC reboot, but only if the AP is configured the CLI via SSH.
C. The AP can download new code before Cisco WLC reboot if it is configuring the Cisco WLC directly using the GUI via HTTP or HTTPS.
D. The Cisco WLC defaults to booting newer code, but it can boot older backup code only from the “First Test, First Pass” – www.lead2pass.com 30 Cisco 640-722 Exam CLI configuration.
E. The Cisco WLC can boot either primary or back code configured from the GUI.
F. The Cisco WLC can download only a single code at a time for reboot.

Correct Answer: CE
QUESTION 89
You are on the phone working with a colleague that is console connected to a lightweight AP that has lost
its configuration.
Which three actions are neecessary to allow the AP to connect to a controller? (Choose three.)

A. Configure the AP IP address.
B. Configure the controller name.
C. Configure the controller IP address.
D. Configure the AP hostname.
E. Configure the AP IP default-gateway.
F. Configure the AP username and password.

Correct Answer: ACE
QUESTION 90
You have a lightweight AP that has been moved to a new subnet and has become stranded because DNS and DHCP servers are unavailable. The AP cannot connect to the controller. When connected to the console port, which three minimum parameters must you configure? (Choose three.)
A. AP IP address
B. controller name
C. AP hostname
D. default gateway IP address
E. controller IP address
F. username and password

Correct Answer: ADE
QUESTION 91
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

Correct Answer: CEF
QUESTION 92
“First Test, First Pass” – www.lead2pass.com 31 Cisco 640-722 Exam
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.
Correct Answer: BC QUESTION 93
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

Correct Answer: D
QUESTION 94
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.

Correct Answer: D
QUESTION 95
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 “First Test, First Pass” – www.lead2pass.com 32 Cisco 640-722 Exam
D. config interface vlan management 30
E. config interface vlan management 50
Correct Answer: A
QUESTION 96
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.
Correct Answer: C
QUESTION 97
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

Correct Answer: BD
QUESTION 98
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 = none 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

Correct Answer: CE
QUESTION 99
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 “First Test, First Pass” – www.lead2pass.com 33 Cisco 640-722 Exam 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.
Correct Answer: B
QUESTION 100
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.

Correct Answer: AE
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