300-370 試験問題を無料オンラインアクセス

You recently deployed an 802.11ac wireless network that contains Cisco Unified Wireless IP Phones 7925G. Users report that the phones intermittently lose connectivity. Which troubleshooting step is the first you must take if you are using the bottom-up troubleshooting methodology?

• A.Review the Cisco WLC log files for authentication failures.
• B.Use a packet sniffer to capture 802.22 frames.
• C.Compare the Cisco IOS version of the controller and the phones.
• D.Perform an RF site survey.

An engineer is concerned about rogue-on-wire and wants to enable port security.
Which guideline must the engineer follow?

• A.Configure static mac addresses on the switch ports that the APs are connected.
• B.Enable port security on dynamic access ports.
• C.Configure ACLs on the switch.
• D.Use 802.1x with port security to prevent MAC spoofing.

Refer to the exhibit.

Which two statements about the WLAN are true? (Choose two.)

• A.The client has authenticated.
• B.802.11b data rates are disabled in this WLAN.
• C.The Cisco device is a 3600 series AP.
• D.The client has a 5 GHz connection.
• E.The client is 802.11n capable.

Which feature should a network engineer enable within a mixed-client network to ensure that the legacy client operates at the best possible rates?

• A.Band Select
• B.ClientLink
• C.DCA
• D.RRM

An engineer is troubleshooting client issues and has found that DHCP proxy is enabled on the Cisco WLC by default. The Cisco WLC unicasts the packet to the DHCP server on the WLAN, but the DHCP server does not support the DHCP proxy. Which action fixes this issue?

• A.Ensure that the DHCP clients are directly connected to the interface of the server.
• B.Ensure that the IP subnet of the WLAN is defined on the DHCP server.
• C.Disable DHCP proxy on the Cisco WLC.
• D.Ensure that the switch ports that are connected to the Cisco WLC and the DHCP server are configured as a trunk.