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
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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.
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
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
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.
A.DAI intercept all ARP packets on untrusted ports
B.DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the DHCP Snooping database.
C.DAI is used to prevent against a DHCP Snooping attack.
D.DAI forwards all ARP packets received on a trusted interface without any checks.
E.DAI forwards all ARP packets on untrusted ports.
F.DAI determines the validity of an ARP packet based on the valid MAC address-to-IP address bindings stored in the CAM table.
最新試題
During routine maintenance， it became necessary to shutdown G1/0/1 on DS1 and DS2. All other interface were up. During this time， DS1 became the active device for Vlan104’s HSRP group. As related to Vlan104’s HSRP group. What can be done to make the group function properly ？ （）
Refer to the exhibit. What does the command channel-group 1 mode desirable do？ （）
Refer to the exhibit. What command was issued on the Layer 3 switch Sw1 between Exhibit #1 and Exhibit #2？（）
Which option correctly identifies the Cisco IOS switching methods in descending order from the fastest method to the slowest method？（）
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals？（）
Examine the diagram. A network administrator has recently installed the above switched network using 3550s and would like to control the selection of the root bridge.Which switch should theadministrator configure as the root bridge and which configuration command must theadministrator enter to accomplish this？（）
Refer to the exhibit. STP has been implemented in the network. Switch SW_A is the root switch for the default VLAN. To reduce the broadcast domain， the network administrator decides to split users on the network into VLAN 2 and VLAN 10. The administrator issues the command spanning-tree vlan 2 root primary on switch SW_A. What will happen as a result of this change？（）
Refer to the exhibit. Which statement is true about the output？（）
Refer to the exhibit. For what purpose is the command show ip cef used？（）
Which three statements about STP timers are true？（）