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【单选题】
使用名字标识访问控制列表的配置方法，在Cisc0路由器的gO／3接口封禁端口号为1434的UDP数据包和端口号为4444的TCP数据包，正确的访问控制列表的配置是（ ）。A.
Router（eonfig）#ip access-list extended WINSQLRouter（config-ext-nacl）#deny any any udp eq 1434Router（config-ext-nacl）#deny any any tcp eq 4444Router（config-ext-nacl）#permit ip any anyRouter（config-ext-nacl）#exitRouter（config）#interface gO／3Router（eonfig-if）#ip access-group WINSQL inRouter（config-if）#ip access-group WINSQL out
B.
Router（config）#ip access-list standard WINSQLRooter（config-std-nael）#deny udp any any eq 1434Router（config-std-nacl）#deny tcp any any eq4444Router（config-std-nacl）#permit ip any anyRouter（corffig-std-nacl）#exitRouter（config）#interface gO／3Router（config-if）#ip access-group WINSQL inRooter（config-if）#ip access-group WINSQL out
C.
Router（config）#ip access-list extended WINSQLRooter（config-ext-nacl）#permit ip any atlyRooter（config-ext-nac|）#deny udp eq l 434 any anyRouter（config-ext-nacl）#deny tcp eq 4444any any Router（config-ext-nacl）#exitRooter（config）#interface gO／3Router（config-if）#ip access-group WINSQL out
D.
Rooter（config）#ip access-list extended WINSQLRouter（config-ext-nacl）#deny udp any any eq 1434Router（config-ext-nac]）#deny tcp any any eq4444Router（config-ext-nae]）#permit ip any anyRouter（config-ext-nacl）#exitRouter（config）#interface gO／3Rooter（config-if）#ip access-group WINSQL inRouter（config-if）#ip access-group WINSQL out
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【单选题】It is ______ that mainly helps you respond to a dangerous or stressful situation.
A.
a signal sent by your brain
B.
the special function of the adrenal gland
C.
all stimulated parts of your body
D.
All of these
【单选题】Telecommunications stand for devices and systems that transmit electronic or optical signals across long distances. Telecommunications enables people around the world to contact one another, to access...
A.
Current development.
B.
Transmission of message.
C.
Computer networking.
D.
Government regulation.
【单选题】Telecommunications stand for devices and systems that transmit electronic or optical signals across long distances. Telecommunications enables people around the world to contact one another, to access...
A.
Current development.
B.
Transmission of message.
C.
Computer networking.
D.
Government regulation.
【简答题】液压泵是将原动机输入的 转变为油液的 的装置;液压缸是将油液的压力能转换成驱动负载的 的装置。
【简答题】在单相功率测量中,如果功率表接线正确,但指针仍反转,这种情况说明 。这时为了得到正确读数,应在 之后,将 对调,但不能调换 接线端。
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