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2021 Dec 200-355 book pdf:
Q21. 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
Q22. A company wants to implement wireless in all 20 remote office locations and wants centralized management of these remote sites. What application would meet the requirements?
A. Control And Provisioning of Wireless Access Points
B. Cisco point- to multi-point wireless bridging
C. Cisco autonomous access points in FlexConnect mode
D. Split MAC architecture utilizing LWAPP and WLC
Answer: D
Q23. 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
Q24. 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
Q25. Which official port should be used when configuring external RADIUS authentication on a Cisco WLC version 7.0?
A. 49
B. 1645
C. 1646
D. 1812
E. 1813
Answer: D
Updated ccna wireless exam 200-355:
Q26. Which two formats are supported for uploading background graphics to create a network map in Cisco WCS? (Choose two.)
A. PNG
B. JPEG
C. DWG
D. TIFF
Answer: A,B
Q27. 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: B,D
Q28. Which action secures the SNMPv2C protocol in a Cisco WLC?
A. configure new communities and disable default communities
B. use digital certificates to authenticate and encrypt transmissions
C. enable password or transfer encryption
D. set a username and difficult-to-guess password
Answer: A
Q29. You have brought your MacBook Pro running OS 10.6 to work and intend use the enterprise wireless network. This network is using EAP-FAST and 2.4 GHz for data and 5 GHz for VoWLAN.
Which statement about the laptop configuration and wireless connection is true?
A. Install a USB wireless adapter and configure
B. Install Apple EAP-Fast plug-in and configure
C. Install Cisco AnyConnect v2.4 and configure
D. Configure Apple network preferences for EAP-FAST
E. The laptop does not support EAP-FAST and will be unable to connect
F. The laptop only supports 5 GHz and will be unable to connect
Answer: D
Q30. 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