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【单选题】

It is required that ships proceeding at sea should keep continuous watch on().

A、VHF channels 16 and 13

B、Appropriate DSC distress and safety frequencies

C、INMARSAT TDM message channel

D、VHF channel 70 and channel 8

更多“It is required that ships proceeding at sea should keep continuous watch on().”相关的问题
第1题

A、It specifies use of a static encryption key that must be changed frequently to enhance security  B、It requires use of an open authentication method  C、It specifies the use of dynamic encryption keys that change each time a client establishes a connection  D、It requires that all access points and wireless devices use the same encryption key  E、It includes authentication by PSK  

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第2题

A、Traffic addressed to the chassis that requires some form of special handling by the RE before it can be forwarded out an egress port.  B、Traffic that enters an ingress port, is compared against the forwarding table, and is forwarded out an egress port.  C、Any traffic that requires the generation of an ICMP message.  D、Traffic that requires some form of special attention and does not pass through the device.  

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第4题

A、It is locally significant.  B、It is globally significant.  C、It is needed to identify a unique instance of an OSPF database.  D、It is an optional parameter required only if multiple OSPF processes are running on the router.  E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information.  

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第5题

A、It is locally significant.  B、It is globally significant.  C、It is needed to identify a unique instance of an OSPF database.  D、It is an optional parameter required only if multiple OSPF processes are running on the router.  E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information.  

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第6题

A、It is logically significant.  B、It is globally significant.  C、It is needed to identify a unique instance of an OSPF database.  D、It is an optional parameter required only if multiple OSPF processes are running on the router.  E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information.  

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第7题

A、It is locally significant  B、It is globally significant  C、It is needed to identify a unique instance of an OSPF database  D、It is an optional parameter required only if multiple OSPF processes are running on the router  E、All routers in the same OSPF area must have the same process ID if they are to exchange routing information  

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第8题

A、it is not a valid NetFlow command.  B、it is an SNMP command tha texports1500-byte packets to IPaddress192.168.1.50.  C、it is a NetFlov/command that v/ill export 1500-byte packets to IP address192.168.1.50.  D、it is a NetFlov/command that allows IP address192.168.1.50 to send traffic to port 1500.  E、It is a NetFlov/command that v/ill specify that the NetFlov/collector’s IP address is 192.168.1.50 over UDP port 1500  

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第9题

A、it included the amendments agreed up until that date  B、it included none of the amendment agreed up until that date  C、it required two thirds of the Parties’ acceptance for a amendment to enter into force  D、it included a tacit acceptance procedure  

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第10题

A、is it  B、isn't it  C、what's it  D、isn't that  

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