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2021 Nov cisco ccna wireless iuwne 640-722 cbt nuggets:
Q171. - (Topic 7)
To implement a more secure means of communication for voice and data, what technology successfully resists interference by utilizing a wider bandwidth than needed for the transmitting signal?
A. Spread Spectrum
B. Microwave
C. Extended U-NII2
D. ISM Bands
Answer: A
Q172. - (Topic 3)
Which module does the Cisco AnyConnect Secure Mobility client integrate into the AnyConnect client package for access to both wired and wireless networks?
A. Network Access Manager
B. Telemetry
C. Web Security
D. DART
Answer: A
Explanation:
The main components used in IUWNE are the Cisco AnyConnect Mobility Client itself, associated with the Network Access Module (NAM) used to manage existing profiles and provide the wireless connectivity.
Reference: CCNA Wireless (640-722 IUWNE) Quick Reference Guide page 73
Q173. - (Topic 5)
Refer to the exhibit.
What is the meaning of the inverted orange triangle (marked "0") in the Alarm Summary tab of Cisco WCS?
A. number of major alarms
B. number of minor alarms
C. number of critical alarms
D. number of system alarms
Answer: A
Explanation:
Alarms are color coded as follows: .
Red — Critical Alarm .
Orange — Major Alarm .
Yellow — Minor Alarm
The Alarm Summary displays the number of current critical, major, and minor alarms.
Reference: http://www.cisco.com/c/en/us/td/docs/wireless/wcs/6-0/configuration/guide/WCS60cg/6_0event.html
Q174. - (Topic 1)
During Layer 2 intercontroller roaming, which two items change? (Choose two.)
A. SSID
B. VLAN
C. IP address
D. AP
E. controller
Answer: D,E
Explanation:
Figure 14-2 Inter-Controller Roaming
When the client associates to an access point joined to a new controller, the new controller exchanges mobility messages with the original controller, and the client database entry is moved to the new controller. New security context and associations are established if necessary, and the client database entry is updated for the new access point. This process remains transparent to the user.
Reference: http://www.cisco.com/c/en/us/td/docs/wireless/controller/7-0/configuration/guide/c70/c70mobil.html
Q175. - (Topic 7)
An enterprise needs their iPhones to connect to the EAP-TLS network. How should the devices be configured?
A. push profile and certificate through Configuration Utility
B. configure directly through Settings application
C. email certificate to device then configure through Settings application
D. download certificate from web page then configure through Settings application
E. push profile and certificate through iTunes
Answer: A
Renew cisco 640-722 pdf:
Q176. - (Topic 6)
Which two actions would you use to begin to troubleshoot an access point that fails to join a wireless LAN controller successfully? (Choose two.)
A. SSH to the AP.
B. SSH to the Cisco WCS.
C. SSH to the Cisco WLC.
D. Issue the Cisco WLC command debug capwap events enable
E. Issue the Cisco WLC command show capwap events
Answer: C,D
Explanation:
The controller supports the use of the Telnet and Secure Shell (SSH) protocols to troubleshoot lightweight access points. Using these protocols makes debugging easier, especially when the access point is unable to connect to the controller. You can monitor the APs dialog with the controller using the debug capwap family of commands.
Reference: CCNA Wireless (640-722 IUWNE) Quick Reference Guide page 114
Q177. - (Topic 4)
Which method of encryption does the 802.11i standard use?
A. AES/CCMP
B. AES/ECB
C. AES/OCB
D. TKIP
E. both AES/ECB and AES/CCMP
Answer: A
Explanation:
Counter Mode Cipher Block Chaining Message Authentication Code Protocol, Counter Mode CBC-MAC Protocol or simply CCMP (CCM mode Protocol) is an encryption protocol designed for Wireless LAN products that implement the standards of the IEEE 802.11i amendment to the original IEEE 802.11 standard. CCMP is an enhanced data cryptographic encapsulation mechanism designed for data confidentiality and based upon the Counter Mode with CBC-MAC (CCM) of the AES standard. It was created to address the vulnerabilities presented by WEP, a dated, insecure protocol.
Reference: http://en.wikipedia.org/wiki/CCMP
Q178. - (Topic 1)
Which two pieces of information are needed for the wireless client to connect to the wireless network? (Choose two.)
A. SSID
B. security settings
C. channel number
D. AP name
Answer: A,B
Explanation:
Most clients enable you to associate to a detected network (broadcasted SSID) or configure a specific profile. In all cases, you must configure the network name (SSID), the operating mode (ad-hoc or infrastructure), and some security settings (that will be different depending on whether the SSID uses Pre-Shared Key Security or Enterprise [EAP/802.1x] security).
Reference: Reference: CCNA Wireless (640-722 IUWNE) Quick Reference Guide
Q179. - (Topic 5)
What is the purpose of the Log Analysis tab on the Client Troubleshooting page in Cisco WCS?
A. After you click start, the tab shows debug information for the client that is trying to re-associate.
B. The tab searches the logs for similar problems of other clients and generates a report.
C. The tab generates a report from historical logs for the client that is having problems.
D. The tab shows logs from the past hour for the client that is having problems.
Answer: A
Explanation:
To view log messages logged against the client, click the Log Analysis tab. To begin capturing log messages about the client from the controller, click Start. To stop log message capture, click Stop. To clear all log messages, click Clear. Log messages are captured for ten minutes and then stopped automatically. A user must click Start to continue. To select log messages to display, click one of the links under Select Log Messages (the number between parentheses indicates the number of messages). The messages appear in the box. The message includes the following information:
. A status message .
. The controller time
. A severity level of info or error (errors are displayed in red) .
. The controller to which the client is connected
Reference: http://www.cisco.com/c/en/us/td/docs/wireless/wcs/6-0/configuration/guide/WCS60cg/6_0clientmgmt.html
Q180. - (Topic 7)
What AnyConnect module can be used to provide a detailed scan list of the Wi-Fi environment?
A. DART
B. Telemetry
C. Web Security
D. NAM
E. Posture
Answer: A