A standalone wireless AP solution is being installed into the campus infrastructure. The access points appear to boot correctly， however， wireless clients are not obtaining correct access. You verify that the local switch configuration connected to the access point appears as the following： 
interface ethernet 0/1 
switchport access vlan 10 
switchport mode access 
spanning-tree portfast 
mls qos trust dscp 
What is the most likely issue causing the problem？（）

单项选择题A campus infrastructure supports wireless clients via Cisco Aironet AG Series 1230， 1240， and 1250 access points. With DNS and DHCP configured， the 1230 and 1240 access points appear to boot and operate normally； however， the 1250 access points do not seem to operate correctly.  What is the most likely issue causing this problem？（）

A.PoE
B.DHCP with option 150
C.DHCP with option 43
D.DNS
E.switch port does not support gigabit speeds

单项选择题You work as a network engineer for . You study the exhibit carefully.  What happens when the switch 2 is connected to the rest of the network in the VTP domain Lab_Network？（） Exhibit：

A.The recently introduced switch 2 removes all configured VLANs throughout the VTP domain. 
B.The recently introduced switch 2 creates a STP loop in the VTP domain.
C.The recently introduced switch 2 switches over to VTP transparent mode in order to be included into the VTP domain.
D.A trunk should be configured between the two switches in order to integrate 2 into the VTP domain.
E.The recently introduced switch 2 adds one more VLAN to the VLAN database in the VTP domain.

单项选择题Exhibit： You work as a network administrator at.You study the exhibit carefully. Three different wireless groups of users （support， staff， guests） are permitted to access the wireless LAN.  Which security policy should be implemented for the users in the guests group？ （）

A.LEAP authentication
B.Primary SSID with open or no WEP authentication
C.Static WEP and authentication
D.Open authentication with WEP plus MAC authentication

单项选择题You work as a network administrator at， You have been asked to configure 802.1x port-based authentication. You notice that the client workstation is not compatible with 802.1x port-based authentication.  What supported authentication server should be chosen？（）

A.TACACS with LEAP extensions
B.RADIUS with EAP extensions
C.TACACS+
D.LDAP

多项选择题You work as a network engineer for . You study the switch exhibit carefully.  Which two statements are true？ （） Exhibit:

A.The trust boundary is not on this switch.
B.It is displaying the AutoQos configuration that was initially applied.
C.Interface Fa0/3 trusts allCoS values.
D.The switch does not trust theCoS values of a Cisco IP phone attached to port Fa0/3.
E.The show auto qos command shows the user-defined QoS settings.
F.The show auto qos command does not display user configuration changes currently in effect.