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QUESTION 51
What suite of algorithms results in slower connection rates when using 802.11N technology?
A. WPA2
B. CCMP
C. TKIP
D. AES
Answer: C
QUESTION 52
An engineer assists a user in configuring an Android device for authentication to an IEEE 802.1x EAP WLAN with PEAPv1. The Phase 2 authentication should be configured as which option?
A. LEAP
B. MSCHAPv2
C. TLS
D. TTLS
Answer: B
QUESTION 53
Refer to the exhibit. Which two wireless functions is the client experiencing? (Choose two.) 
A. Inter-controller Roaming
B. Intra-controller Roaming
C. Layer 2 Roaming
D. Layer 3 Roaming
E. Inter-subnet roaming
F. Re-authentication
Answer: BC
QUESTION 54
What is the approximate time difference for a client to perform an intracontroller roam compared to an intercontroller roam?
A. 1 ms
B. 10 ms
C. 20 ms
D. 30 ms
Answer: B
QUESTION 55
Which two attributes must be configured to match in order for WLCs to operate in the same mobility group? (Choose two.)
A. mobility domain name
B. virtual IP address
C. service interface address
D. hardware model
E. software version
Answer: AB
QUESTION 56
Which operating mode is valid for controllers in a converged access architecture?
A. switch peer groups
B. mobility controller
C. auto-anchor
D. foreign anchor
Answer: B
QUESTION 57
An engineer wants to deploy a 2504 controller as the anchor controller for a guest WLAN that resides on a 5508 controller in a different mobility group.
What configuration change must be applied to support this deployment strategy?
A. UDP 16666 and IP Protocol 97 must be enabled on the 2504 controller
B. UDP 5246 and TCP Protocol 97 must be enabled on the router
C. The 2504 controller must be added to the same mobility group as the 5508.
D. DHCP Option 43 must be added to the neighboring switchport
Answer: C
QUESTION 58
A help desk engineer is attempting to perform a remote packet capture on the wireless network. Which access point mode is necessary to perform this function?
A. sniffer
B. SE-Connect
C. monitor
D. rogue detector
E. FlexConnect
Answer: A
QUESTION 59
Refer to the exhibit. A help desk ticket has been entered for the wireless infrastructure. A wireless client is not able to connect at IEEE 802.11n rates. Which option allows for connectivity? 
A. Set WMM mode to Optional or Required.
B. Set Quality of Service (QoS) to Silver.
C. Set Quality of Service (QoS) to Platinum.
D. Set 7920 AP CAC to Enabled.
Answer: A
QUESTION 60
An engineer has been asked to upgrade the FUS on the Wireless LAN controller. How can they monitor the status of the upgrade?
A. WLC GUI
B. WLC CLI
C. WLC Console
D. WLC Management in Prime Infrastructure
Answer: C
QUESTION 61
During a wireless site survey, the signal strength drops significantly when outside of the room containing the access point. The building is made of wood and drywall.
This is an example of which wireless anomaly?
A. absorption
B. refraction
C. fading
D. multipath
E. reflection
Answer: A
QUESTION 62
Refer to the exhibit. The wireless engineer has deployed the Cisco 5508 Wireless Controller.
The controller is responding on the service port; however, it will not respond on the management interface. Which configuration revision will fix the management interface? 
A. On the switch interface, configure switch(config-if)#switchport trunk allowed vlan add 10.
B. On the WLC management interface, disable LAG on the management network.
C. On the switch interface, configure switch(config-if)#switchport trunk allowed vlan 10.
D. On the WLC management interface, change the VLAN ID to 20.
E. On the switch interface, configure no spanning-tree portfast trunk.
F. On WLC Controller > General, disable LAG and reboot.
Answer: A
QUESTION 63
A wireless engineer has been asked to plan a deployment covering the aisles of a warehouse with optimal coverage while bleeding RF across aisles.
Which antenna type provides the necessary coverage?
A. patch
B. omnidirectional
C. Yagi
D. parabolic dish
Answer: A
QUESTION 64
A help desk ticket states that a wireless access point has not joined its controller and is flashing rapidly. How can the help desk administer the access point with the default settings?
A. console
B. SSH
C. Telnet
D. HTTP
E. HTTPS
Answer: A
QUESTION 65
After you configure the Cisco 5508 Wireless Controller v7.6, a customer requests an SSID that allows for client web authentication with email input.
Which authentication method should be used?
A. pass-through
B. authentication
C. splash page web redirect
D. conditional web redirect
E. on MAC filter failure
Answer: A
QUESTION 66
A customer has asked for the proper port configuration to allow for LAG on a Cisco 2504 Wireless Controller to a Cisco IOS switch.
Which EtherChannel mode should be used on the switch to allow for the WLC to connect?
A. on
B. auto
C. desirable
D. passive
E. active
Answer: A
QUESTION 67
How many RADIUS servers can be configured globally and per WLAN on a Cisco WLC version 7.0?
A. 7 global; additional 1 per WLAN
B. 7 global; additional 3 per WLAN
C. 17 global; additional 1 per WLAN
D. 17 global; additional 3 per WLAN
E. 7 global; reuse of up to 1 maximum per WLAN
F. 17 global; reuse of up to 1 maximum per WLAN
G. 17 global; reuse of up to 3 maximum per WLAN
Answer: G
Explanation:
You can configure up to 17 RADIUS authentication and accounting servers each.
For example, you may want to have one central RADIUS authentication server but several RADIUS accounting servers in different regions. If you configure multiple servers of the same type and the first one fails or becomes unreachable, the controller automatically tries the second one, then the third one if necessary, and so on.
http://www.cisco.com/c/en/us/td/docs/wireless/controller/7-0/configuration/guide/c70/c70sol.html
QUESTION 68
Which statement about the impact of configuring a single SSID to support TKIP and AES encryption simultaneously is true?
A. The overhead associated with supporting both encryption methods significantly degrades client
throughput.
B. Some wireless client drivers might not handle complex SSID settings and may be unable to associate
to the WLAN.
C. This configuration is unsupported and the Cisco Wireless Control System generates alarms continuously
until the configuration is corrected.
D. This configuration is common for migrating from WPA to WPA2. No problem is associated with using
this configuration.
Answer: B
Explanation:
AES encryption uses hardware so there is almost no overhead when using it. TKIP is based on software. So when we support both TKIP and AES the client throughput will not significantly degrade -> A is not correct.
When choosing both AES and TKIP, the router will support both encryption algorithms. Because not all wireless NICs support AES, some only support TKIP, so this option is probably the best choice -> B is not correct.
As the picture below, Cisco Wireless Control System does support both simultaneously -> C is not correct.
QUESTION 69
When the pre-shared key authentication method is used for WPA or WPA2, for which two functions is the pre-shared key used? (Choose two.)
A. to act as the Group Transient Key during the bidirectional handshake
B. to act as the Pairwise Master Key during the bidirectional handshake
C. to derive the nonce at each side of the exchange
D. to derive the Pairwise Transient Key
Answer: BD
Explanation:
Pre-shared key (PSK) is computed based on a shared secret (pass-phrase) which was previously shared between the two parties using some secure channel before it needs to be used. It is used to identify both peers to each other.
The strength of the PSK depends on the strength of the pass-phrase. The strength of the PSK is important, because WPA-Personal (and WPA2-Personal) use the PSK as the Pairwise Master Key (PMK). The PMK, when combined with two random numbers (nonces) and the MAC addresses of the access point and the client, produces a unique Pairwise Transient Key (PTK) that secures the unicast traffic between the access point and the client. A new PTK is produced each time a client connects to the access point.
QUESTION 70
When using the CLI command eping, configured for auto-anchor mobility wireless guest access, which type of packet is tested?
A. data packets
B. mobility unencrypted packets
C. mobility encrypted packets
D. SNMP control packets
E. NTP control packets
Answer: A
Explanation:
Make sure that foreign to anchor communication is possible for mobility traffic. You can test this communication with the eping command (which tests data packets sent to the mobility port UDP 16666) and the mping command (which tests Ethernet over IP encapsulation over the tunnel).
QUESTION 71
When a wireless guest network is implemented using auto-anchor mobility in a controller-based wireless network, which controller is responsible for a guest client’s IP address and their security configuration?
A. any controller that supports the same VLAN
B. foreign controller
C. anchor controller
D. master controller
E. RF group master controller
Answer: C
Explanation:
The anchor controller is responsible for termination of guest WLAN traffic and subsequent access to the Internet. Guest traffic egress occurs at the anchor controller, and the anchor controller is responsible for the client IP address via DHCP and their security configuration.
http://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/emob41dg/emob41dg-wrapper/ch10GuAc.html#wp1064207
QUESTION 72
You have a small organization with multiple Cisco WCS servers. Management has become cumbersome and you are planning to deploy Cisco WCS Navigator.
When the Cisco WCS Navigator has been deployed, how are the existing Cisco WCS servers added to the Cisco WCS Navigator, which software versions are supported, and which protocol(s) do they use to communicate with Navigator?
A. Cisco WCS Navigator searches the enterprise intranet to locate the existing Cisco WCS servers
and adds them automatically using SOAP as long as there is only a difference of one version or less
between Cisco WCS and WCS Navigator.
B. Each existing Cisco WCS server must be added manually and use SOAP/HTTP to communicate
with the Cisco WCS Navigator platform as long as the software versions of Cisco WCS and Cisco
WCS Navigator are the same.
C. Cisco WCS must be on the same software version as Cisco WCS Navigator and each Cisco WCS
server is added automatically using XML over HTTP.
D. When Cisco WCS Navigator is added, all the Cisco WCS servers must be added manually, each
system must use the same software release as Navigator, and the Cisco WCS communicates with
Cisco WCS Navigator by using SOAP/XML over HTTPS.
Answer: D
Explanation:
Please refer to the link to understand this part.
http://www.cisco.com/c/en/us/products/collateral/wireless/wireless-control-system-navigator/product_data_sheet0900aecd80633649.html
QUESTION 73
Which two features are available in the Cisco WCS Plus license over the base license? (Choose two.)
A. ad hoc rogue detection
B. high availability between two Cisco WCS stations
C. mobility service engine management
D. auto discovery and containment or notification of rogue APs
E. client location to the nearest AP
Answer: BC
Explanation:
Cisco WCS PLUS license supports Cisco WCS base license features and the following capabilities: mobility services enablement and high availability. An older Cisco WCS Location license is forward compatible and equivalent to a PLUS license. When upgrading to this release, older Location licenses will appear as PLUS licenses. Older Enterprise licenses are also forward compatible and become PLUS licenses when loaded. The process to provision a Cisco WCS PLUS license is the same as provisioning a current Cisco WCS license.
http://www.cisco.com/c/en/us/td/docs/wireless/wcs/7-0/configuration/guide/WCS70cg/7_0warr.html
QUESTION 74
Refer to the exhibit. Cisco WCS version 7.0 has a configuration mismatch with what is actually running in the controller. Which menu leads to the Audit Status Report? 
A. Security
B. Monitor
C. Configure
D. Services
E. Administration
F. Tools
Answer: C
Explanation:
The Configure menu enables you to configure templates, controllers, access points, Ethernet switches, chokepoints, Wi-Fi TDOA receivers, config groups, auto provisioning, scheduled configuration tasks, profiles, ACS view servers, and TFTP servers on your network.
http://www.cisco.com/c/en/us/td/docs/wireless/wcs/7-0/configuration/guide/WCS70cg/7_0wst.html#wp1068994
QUESTION 75
What does the current European Telecommunications Standards Institute rule state is the 2.4-GHz maximum transmitter output power for point-to-point installations?
A. 16 dBm
B. 17 dBm
C. 20 dBm
D. 30 dBm
E. 36 dBm
Answer: B
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