Cisco(思科)2021年1月21日每日一练
多选题以下哪两种802.11标准使用5.0GHz范围?(选择两项)
a．802.11 b．802.11b/g c．802.11n d．802.11a
When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?
多选题在一个使用子网掩码255.255.255.224的C类网络中，要提供8个子网，必须启用下面哪个配置命令?
多选题在下图所示的网络中，为尽可能避免浪费IP地址，哪个子网应使用子网掩码/29?
Refer to the exhibit． The FMJ manufacturing company is concerned about unauthorized access to the Payroll Server． The Accounting1, CEO, Mgr1, and Mgr2 workstations should be the only computers with access to the Payroll Server． What two technologies should be implemented to help prevent unauthorized access to the server?
多选题下面哪些属于极化类型?(选择所有正确答案)
a．垂直极化(Vertical Polarization) b．水平极化(Horizontal Polarization)
c．海平面极化(Nautical Polarization) d．圆极化(Circular Polarization)
多选题两台OSPF路由器要建立邻居关系，除哪一项外其他各项都必须相同?
Refer to the exhibit． A network administrator configures a new router and enters the copy startup-config running-config on the router． The network administrator powers down the router and sets it up at a remote location． When the router starts, it enter the system configuration dialog as shown． What is the caust of the problem?
Which statement about access lists that are applied to an interface is true?
which command is used to enable CHAP authentication whit PAP as the fallback method on a serial interface?