If an invalid username and password is entered on the EchoClient, which log files will be the first to record this (assuming all components have necessary logging and tracing enabled)?（）
第1题：
YouaredevelopingaWebpage.Theusertypesacreditcardnumberintoaninputcontrolnamedccandclicksabuttonnamedsubmit.Thesubmitbuttonsendsthecreditcardnumbertotheserver.AJavaScriptlibraryincludesaCheckCreditCardfunctionthatreturnsavalueoftrueifthecreditcardappearstobevalid,basedonitschecksum.Youneedtoensurethattheformcannotbeusedtosubmitinvalidcreditcardnumberstotheserver.Whatshouldyoudo?（）
A.Configuretheinputcontroltorunontheserver.Onthesubmitbutton，addaserver-sideOnClickhandlerthatcallsCheckCreditCard and rejects the form submissioniftheinputisinvalid.
B.Ontheinputcontrol，addanonChangehandlerthatcallsCheckCreditCardandcancelstheformsubmissionwhenthe input is invalid.
C.Configuretheinputcontrolandthesubmitbuttontorunontheserver.Addasubmit_OnClickhandlerthatcallsCheckCreditCard and rejects the form submission if theinputisinvalid.
D.Ontheform，addanonSubmithandlerthatcallsCheckCreditCardandcancelstheformsubmissioniftheinput is invalid.
第2题：
An air ticket is only ()for the passenger whose name appears on the ticket.
A.transferable
B.untransferable
C.valid
D.invalid
第3题：
Your team has prepared a CPM schedule for your review. You notice that one node has six inputs (including two dummy activities) and four outputs (which include one dummy activity). Select the correct statement from the following:
A.This is a valid representation if the logic is correct.
B.This is invalid because a node can have a maximum of one dummy input representation if the logic is correct.
C.This is invalid because nodes cannot have both dummy inputs and dummy outputs.
D.This is a invalid because the number of outputs must equal the number of inputs.
E.This is invalid because a maximum of two inputs and two outputs are allowed using the critical path method.
第4题：
If the Call Redirect step sends a caller to a device that does not exist in the CallManager, which branch of the step is executed? （）
第5题：
第6题：
A. All dependent objects remain valid.
B. Only the procedure and function become invalid and must be recompiled.
C. Only the view becomes invalid and gets automatically revalidated the next time it is used.
D. Only the procedure and function become invalid and get automatically revalidated the next time they are called.
第7题：
A.invalidSSID
B.invalid802.1Xauthenticationtype
C.invalidencryptiontype
D.invalidWEPkey
第8题：
● Your team has prepared a CPM schedule for your review. You notice that one node has six inputs (including two dummy activities) and four outputs (which include one dummy activity). Select the correct statement from the following:
A This is a valid representation if the logic is correct.
B This is invalid because a node can have a maximum of one dummy input representation if the logic is correct.
C This is invalid because nodes cannot have both dummy inputs and dummy outputs.
D This is a invalid because the number of outputs must equal the number of inputs.
E This is invalid because a maximum of two inputs and two outputs are allowed using the critical path method.
第9题：
IO信号配置的状态有（）
第10题：
Static wep is configured on the access point. you are authenticated and associated to the access point but are unable to obtain an ip address. Which of the following will cause this problem？（）