Periodic checks are automatically performed to insure that the entire system is operating correctly and that no failures have occurred, unnoticed, that would affect the count data.

A . fore-and-aft and athwartships magnets B . dip needle and heeling magnet C . heeling magnet and Flinders bar D . Flinders bar and quadrantal sphere

A . Supplements B . Annual Summary C . Navigational Warnings D . Notices to Mariner

A . It prevents message looping，Session Advertisement（SA）messages must be RPF checked B . RPF check should be done against the route to the Rendez-vous Point of the corresponding PIM-SM domain，which originated the SA C . RPF checking Session Advertisement（SA）messages will cause message looping D . RPF check should be done against the route to the source S of the corresponding PIM-SM domai

A . Ensure the bight is not fouled by taking up slack B . Pay out the line smartly and keep it free for running C . Secure the line by adding more turns D . Surge the line so it maintains a strain without parting

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

A . above B . at C . over D . withi

A .  Health Monitor checks can be used to scan the contents of the redo log and archive logs for accessibility and corruption. B .  Health Monitor checks can be used to verify the integrity of database files and report failures if these files are inaccessible，corrupt or inconsistent. C .  Health Monitor checks can be used to verify the contents of dictionary entries for each dictionary object and fix it automatically. D .  Health Monitor checks are always initiated manually when there is some critical error.

A . The lifeboat is lowered to near the water，loaded with the allowed capacity，lowered into the water until afloat，then released from the falls B . The lifeboat is loaded with the allowed capacity，lowered into the water until afloat，then released from the falls C . The lifeboat is lowered into the water until afloat，loaded with the allowed capacity，then released from the falls D . The lifeboat is lowered to near the water，loaded with the allowed capacity，then released from the fall

A .  The block change tracking feature must be enabled. B .  OMF must be configured on your database. C .  The database must be in ARCHIVELOG mode. D .  A USERID must be supplied.

A . an air start cam B . cylinder compression pressure C . starting air pressure D . valve spring

A . data files B . control files C . redo log files D . parameter files E . archive log file

是 否

是 否

You are developing a Windows Comunication Foundation (WCF) service that is used to check the status of orders placed by customers.The following code segment is part of your service.(Line numbers are included for reference only.)01 [ServiceContract]02 public interface IStatus03 {04 [OperationContract]05 int GetOrderStatus(string orderNumber);06 }0708 class OrderService : IStatus09 {10 public int GetOrderStatus(string orderNumber)11 {12 ...13 }14 }1516 class Program17 {18 static void Main(string[] args)19 {202122 host.Open();23 ...24 }25 }You need to ensure that the service always listens at net.pipe://SupplyChainServer/Pipe.What should you do？（） A.<img src='https://img2.soutiyun.com/shangxueba/ask/64299001-64302000/64299436/44bc930e85f1f8ea6666713d65d11a7f.jpg' /> B.<img src='https://img2.soutiyun.com/shangxueba/ask/64299001-64302000/64299436/8ef87ec5f4d8c34db3e4decad746137d.jpg' /> C.<img src='https://img2.soutiyun.com/shangxueba/ask/64299001-64302000/64299436/67a300b885d0cf2bc4e5a825c6dfa608.jpg' /> D.<img src='https://img2.soutiyun.com/ask/uploadfile/2019-02-04/8e2bb53d0a32f397a2ffb84cf4121379.jpg' />

A．A.Location Updating B．B.Authentication C．C.Paging

A．Amorphous B．Ceramic C．Polymer D．Crystalline

A．Passport B．Visa C．Credit Card D．ID Card

A．Forward DNS lookup B．Reverse DNS lookup C．RARP D．Nslookup