（1）only
（2）only
both（1）and（2）
neither（1）nor（2）
第1题：
Which of the following is considered auxiliary securing equipment that provides extra reliability to lashing in Ro-Ro transport operations ________．
A.Trailer trestles
B.Pedestals
C.Wheel chocks
D.All of the above
第2题：
第3题：
Which of the following operations belongs to message passing?
A．read and write
B．send and receive
C．wait and signal
D．Pand V
第4题：
Which of the following laptop components will MOST likely need replacing within the first threeyears of use?（）
第5题：
Which of the following wireless service components occur in the implement phase？（）
第6题：
Which statement is TRUE ________．
A.Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance
B.Urgent communications do not need to be entered in the GMDSS radio log
C.Both of the above
D.None of the above
第7题：
Which of the following are automatically configured on the CallManager when entered on the CRS Application Administration?（）
第8题：
You are developing a Windows Communication Foundation (WCF) service that does not operate on a duplex channel.You find that operations do not start until all previous operations have finished. The service hosting code contains the following lines.var service = new WarehouseService(); var host = new ServiceHost(service);You need to ensure that new operations do not wait for previous operations to finish.Which attribute should you use to decorate the service?（）
A. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Multiple)]
B. [CallbackBehavior(ConcurrencyMode=ConcurrencyMode.Multiple)]
C. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Single)]
D. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Reentrant)]
第9题：
Which of the following procedure should be performed prior to delivery and generally involves running a suite of operations so as to verify that the solution is applicable for production?（）
第10题：
Which of the following replication methods provides a disaster recovery system with minimal downtime to normal operations？（）