单项选择题
You are working in a data center environment and are assigned the address range 10.188.31.0/23.You areasked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hostseach.Which IP address range meets these requirements？（）
A.10.188.31.0/27
B.10.188.31.0/26
C.10.188.31.0/29
D.10.188.31.0/28
E.10.188.31.0/25
相关考题
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单项选择题
As a CCNA candidate，you must have a firm under standing of the IPv6 address structure.Refer to IPv6 address，could you tell me howm any bits are included in each filed？（）
A.24
B.4
C.3
D.16 -
多项选择题
Which statements describe two of the benefits of VLAN Trunking Protocol?（）
A.VTP allows routing between VLANs.
B.VTP allows a single switch port to carry information to more than one VLAN.
C.VTP allows physically redundant links while preventing switching loops.
D.VTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.
E.VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.
F.VTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.
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单项选择题
Anetworkadministratormustconfigure200switchportstoaccepttrafficfromonlythecurrentlyattachedhostdevices.WhatwouldbethemostefficientwaytoconfigureMAC-levelsecurityonalltheseports？（）
A.Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command.
B.Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command.
C.Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them.
D.Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security.
