The designations A，B，C，D and E grades of cargo refer to the（）.

A、degrees of quality of petroleum products

B、flash point range and Reid vapor pressure index of petroleum products

C、grades of crude oil

D、pour point，color，and viscosity index of petroleum products

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更多“The designations A，B，C，D and E grades of cargo refer to the（）.”相关的问题

第1题

[多选题] Refer to the exhibit. Which two statements about the topologies shown are correct?（）

A、Design 1 is a looped triangle design.  B、Design 2 is a looped triangle design.  C、Design 2 achieves quick convergence using RSTP.  D、Both designs supportstateful services at the aggregation layer.  E、Design 2 is the most widely deployed in enterprise data centers.  

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第2题

[单选题] The“person in the phrase ”to designate a person or persons ashore having direct access to the highest level of management” refers to （）.

A、the manager of the shipping company  B、the master of the ship  C、the designated person on board ship  D、the designated person ashore  

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第3题

[] When the machinery spaces are in the periodic unmanned condition, shall be immediately available and on call to attend the machinery space（）.

A、A.the chief engineer  B、B.the designated engineer from shipyard  C、C.the designated duty officer in charge of the engineering watch  D、D.the designated surveyor from classification society  

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第4题

[单选题] Which statement about data center access layer design modes is correct?（）

A、The access layer is the first oversubscription point in a data center design.  B、When using a Layer 2 loop-free design, VLANs are extended into the aggregation layer.  C、When using a Layer 2 looped design, VLANs are not extended into the aggregation layer.  D、When using a Layer 3 design,stateful services requiring Layer 2 connectivity are provisioned from the aggregation layer.  E、The data center access layer provides the physical-level connections to the server resources and only operates at Layer 3.  

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第5题

[单选题] Refer to the exhibit. A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN. What conclusions can be made about this design?（）

A、The design will function as intended  B、Spanning-tree will need to be used.  C、The router will not accept the addressing scheme.  D、The connection between switches should be a trunk.  E、The router interfaces must be encapsulated with the 802.1Q protocol.  

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第6题

[单选题] Navigational warnings are published according to（）.

A、the designed area  B、the designated area  C、the indicated area  D、all area over the world  

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第7题

[单选题] The design of the connecting rod large end bearing is similar to that of the mainbearings Whats the meaning of "that" in the sentence above?（）

A、the connecting rod  B、large end bearing  C、the main bearing  D、the design  

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第8题

[单选题] Distribution layer: This layer includes LAN-based routers and layer 3 switches . When is a first-hop redundancy protocol needed in the distribution layer?（）

A、OSPF is not supported by the design  B、HSRP is not supported by the design  C、preempt tuning of the default gateway is needed  D、the design implements Layer 3 between the access switch and the distribution switch  