What two benefits result from Cisco WLC configuration of DCA for 5-GHz VoWLAN deployments?（） Avoid channels with microwave oven noise.。 Manually remove channels not supported by the VoWLAN clients.。 Avoid 802.11n 40-MHz wide channels.。 Automatically avoid nearby radar.。
地利胜
Which of the following statements about authentication responses and conditions is true? （）(Choose two.) When a router receives a failure response, it stops querying authentication methods.。 When a router receives an error response, it stops querying authentication methods.。 If the router receives a failure response from an authentication method, it queries the next method.。 The router does not differentiate between failure and error responses; the authentication process is always interrupted.。 If it receives no response from the authentication method, a router will determine the error condition on its own; the router also has the option to proceed to the next method in a list if configured accordingly.。
Clients using cisco-leap and eap-fast authentication are having no problems logging on to The wireless network， but clients using peap are failing to log on. Which situation would result in this type of problem？（） posture validation has not been enabled.。 the aaa server is set to accept both ms-chap v2 and gtc for peap authentication.。 clients and server are not using certificates.。 clients have been set to validate the server identity.。
写出你对“水至清则无鱼，人至察则无朋”的心理学理解？
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2).The network contains two DNS servers named Server1 and Server2. You deploy a DHCP server named Server3 and configure all client computers to receive their IP configurations automatically.You discover that all client computers use Server2 for host name resolution.You need to ensure that all client computers use Server1 for host name resolution. What should you do?（）
