[单选] Context-Based Access Control (CBAC) is the algorithm of the Cisco IOS firewall feature. How does CBAC improve Teleworker security?（）

A . Inbound packets are permitted only if they are part of a legitimate data flow initiated by a device on the Teleworker home network.
B . All packets are checked for integrity by analyzing their checksum.
C . Every packet is checked to see if it was sent through the VPN tunnel.
D . Every packet is inspected to see if any disallowed URLs are included. URLs are forwarded to the security cache engine for authorization.

断管设备中，闸刀式管锯使用刀片材质为（）高速钢。碳钢。普通钢材。合金。往复式计量泵在启泵时一定要（）进出口阀全开。只开进口阀，出口阀不开。冲程必须调零。 Which interface provides the ability to see changes in real-time as they occur ？（） ConcurrentMap。 java.util.AbstractMap。 ObservableMap。 InvocableMa。 You upgrade your Oracle database in a multiprocessor environment. As a recommended you execute thefollowing script:SQL > @utlrp.sqlWhich two actions does the script perform?（） Parallel compilation of only the stored PL/SQL code。 Sequential recompilation of only the stored PL/SQL code。 Parallel recompilation of any stored PL/SQL code。 Sequential recompilation of any stored PL/SQL code。 Parallel recompilation of Java code。 Sequential recompilation of Java code。消费 Context-Based Access Control (CBAC) is the algorithm of the Cisco IOS firewall feature. How does CBAC improve Teleworker security?（）

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[单选] Context-Based Access Control (CBAC) is the algorithm of the Cisco IOS firewall feature. How does CBAC improve Teleworker security?（）

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