[单选]

You are the network administrator at TestKing. You apply the following access list on the E0 outbound interface connected to the 192.168.1.8/29 LAN:
access-list 21 deny tcp 192.168.1.8 0.0.0.7 eq 20 any
access-list 21 deny tcp 192.168.1.8 0.0.0.7 eq 21 any
What will the effect of this access list be?（）

Which of the following should you enable to prevent a switch from forwarding packets with source  addresses that are outside an administratively defined group？ （）  DAI。  STP。  PVLAN。  port security。 试论班图拉等的道德社会学习理论。 Your company has an Active Directory domain. The company runs Terminal Services.  A user has remotely logged on to the Terminal Server. The user requires help to use an application. When you connect to the Terminal Server session， you cannot operate any applications. You need to ensure that you can assist any user on the Terminal Server. What should you do？（）  From the Terminal Server run the Tscon /v command. Then reconnect to the session.。  Run the Chgusr /execute command on the Terminal Server. Then reconnect to the session.。  Enable Use remote control with default user settings in the RDP-Tcp Properties.。  Enable Use remote control with the following settings in the RDP-Tcp Properties. Configure the Level of control policy setting to Interact with the session. Instruct the user to log off and log back on.。 种子生产经营许可证应当载明的事项发生变更的，应当自变更之日起（）内，向原核发许可证机关申请变更登记。 15日。 30日。 60日。 三个月。 简述硬绷带优缺点。

You are the network administrator at TestKing. You apply the following access list on the E0 outbound interface connected to the 192.168.1.8/29 LAN:
access-list 21 deny tcp 192.168.1.8 0.0.0.7 eq 20 any
access-list 21 deny tcp 192.168.1.8 0.0.0.7 eq 21 any
What will the effect of this access list be?（）