Cisco 400-351 : CCIE Wireless Written

You are a network administrator at ACME corporation where you have a pair of Cisco 5760 Wireless LAN Controllers deployed for HA AP SSO mode. A failover event occurs and the secondary Cisco 5760 controller moves into the active role.
Which three statements about the failover event are true? (Choose three)

• A. Rogue APs and clients are not synced to the standby and are releamed upon switchover.
• B. Switchover during AP preimage download causes the APs to start image download all over again from the new active controller.
• C. The new active controller does not need to releam the shun list from IPS and other MCs, which eliminates the need to redistribute it to the Mas.
• D. Netflow records are already exported upon switchover and collection starts resuming in the new active controller.
• E. With SSO,wIPS information is already synced with the stanby unit and this information need not be releamed upon switchover.
• F. Upon guest anchor controller switchover, mobility tunnels stay active, APs remain connected, clients rejoin at MA or MC, and clients are anchored on the new active controller.

You have been asked to configure multiple AAA servers on the WLC for network user authentication. During 802.1X authentication, if the username does not show up in the first RADIUS server, what will the WLC do next?

• A. The WLC will continue to try all RADIUS servers in round-robin fashion until the username is found in one of them.
• B. The RADIUS server will most probably send back a RADIUS reject which means the WLC should not authenticate the user.
• C. The second RADIUS server will be checked.
• D. The user will be prompted for web authentication

Your customer is thinking of migrating the exiting IEEE 802.11b/g network to an IEEE 802.11ac network which two statement are true ?(choose two)

• A. Ensure that the WLANs have WMM enabled and support open or WPA2/AES encryption 1n order to reach IEEE 802.11ac speeds even on IEEE. 802.11ac clients
• B. Backward compatibility need to be considered for the existing legacy IEEE 802.11b/g mobile devices.
• C. Channel option are limited on the radio band UNII 3 due to DFS
• D. Fewer APs have to be proposed because the IEEE 802.llac network provides a faster speed and larger converge area compared with the IEEE 802.11b/g network.

VLAN Trunking Protocol is a Cisco proprietary protocol that propagates the definition of VLANs over the local area network. Which two statements are true?(Choose two.)

• A. VTP config revision increases base on switch uptime.
• B. VTP transparent mode forwards VTP packets and can act as a client or a server.
• C. VTP requires access mode interfaces to propagate.
• D. VTP requires trunk mode interfaces to propagate.
• E. When Cisco switches are started from scratch, they are in server mode and their domain is set to null.

Refer to the exhibit. It belongs to a Cisco IOS AP with just one radio. This portion of configuration refers to a multiple SSID/VLAN configuration. Which statement is correct?

• A. The configuration does not allow for non-corporate clients to connect to any SSID Guest traffic.There fore will not allowed.
• B. The AP must have subinterfaces 80,81,and 82 configured on the Radio 0 and Ethernet interfaces.
• C. `mbssid guest-mode' is used to allow broad cat of multiple SSIDs on the radio interface. No other
  `mbssid" commands are needed to achieve this functionality.
• D. The SSID "EAP" will allow clients to connect to it using any EAP authentication method such as EAP-TLS.