Select valid identifier of Java: （）A、userNameB、%passwdC、3d_gameD、$chargeE、this
Select valid identifier of Java: （）
- A、userName
- B、%passwd
- C、3d_game
- D、$charge
- E、this
相关考题：
When a switch port is used as a VLAN trunk, which of the following trunk modes are valid? (Select all that apply.)A. BlockingB. AutoC. DesirableD. OnE. TransparentF. Learning
Which of the following correctly describe the various functions and virtues of a router? (Select all valid answer choices)A. Packet switchingB. Collision prevention on a LAN segment.C. Packet filteringD. Broadcast domain enlargementE. Broadcast forwardingF. Internetwork communicationG. None of the above
Which of the following are valid program types for a lightweight job?() A. PLSQL_BLOCK PLSQLB. EXECUTABLEC. JAVA_STORED_PROCEDURED. STORED_PROCEDUREE. EXTERNAL
Select two valid administratively scoped multicast addresses in networks running Interior Gatewayprotocols like EIGRP and OSPF？（）A、239.0.0.1B、239.255.255.255C、224.0.0.10D、224.0.0.5
Select the three valid LMI extension.（）A、MulticastingB、Global addressingC、Forward-explicit congestion notification （FECN）D、Virtual circuit status messages.E、Backward-explicit congestion notification （BECN）
Which modifiers and return types would be valid in the declaration of a working main（） method for a Java standalone application？（） A、privateB、finalC、staticD、intE、abstract
Which of the following are valid program types for a lightweight job？（）A、 PLSQL_BLOCKB、 EXECUTABLEC、 JAVA_STORED_PROCEDURED、 STORED_PROCEDUREE、 EXTERNAL
Which of the following are valid program types for a lightweight job?（）A、PLSQL_BLOCK PLSQLB、EXECUTABLEC、JAVA_STORED_PROCEDURED、STORED_PROCEDUREE、EXTERNAL
Which of the following is the correct format for /etc/inittab entries（）A、Runlevel：Action：Identifier：CommandB、Identifier：Runlevel：Action：CommandC、Command：Action：Identifier：ProcessD、Process：Runlevel：Command：Identifier
What does a BGP route reflector do when reflecting a route?（）A、It prepends its cluster identifier to the route's cluster list.B、It prepends its own originator identifier to the route's cluster list.C、It replaces the route's cluster identifier with its own cluster identifier.D、It replaces the route's originator identifier with its originator identifier.
Application Control Engine （ACE） can check the health of servers and server farms by configuring health probes （which are sometimes referred to as keepalives）. A probe can be one of many types. Which are valid ACE probes？ （）A、 HTTPB、 Java scriptingC、 TCL scriptingD、 RADIUSE、 TACACS
You want to create a valid directory structure for your Java EE web application， and you want to put yourweb application into a WAR file called MyApp.war. Which two are true about the WAR file？（）A、At deploy time， Java EE containers add a directory called META-INF directly into the MyApp directory.B、At deploy time， Java EE containers add a file called MANIFEST.MF directly into the MyApp directory.C、It can instruct your Java EE container to verify， at deploy time， whether you have properly configured your application’s classes.D、At deploy time， Java EE containers add a directory call META-WAR directly into the MyApp directory.
Which of the following is not a valid setting for the PROGRAM_TYPE parameter in a program object or the JOB_TYPE parameter in a job object?（）A、PLSQL_BLOCKB、JAVA_STORED_PROCEDUREC、STORED_PROCEDURED、EXECUTABLEE、None of the above are invalid settings.
Select valid reasons for IT performance issues that cannot be universally solved by adding more hardware：（）A、 adding hardware may exacerbate inefficiency， which can lead to over provisioning and lower utilizationB、 performance may degrade due to bottlenecks such as database connections that won’t scale in lock step with other dimensions such as computing capacity or memoryC、 both A and B are validD、 neither A nor B are valid
You work as an application developer at Certkiller .com. Certkiller .com has been contracted to develop an application for the local bank.You have been given the responsibility of creating this application and need to store each transaction record， which is identified using a complex transaction identifier，in memory. The bank informs you that the total amount of transaction records could reach 200 per day. To achieve this， you decide to utilize one of the existing collection classes in the .NET 2.0 class library. You need to ensure that you the collection class you select is the most efficient one for storing transaction records.What should you do？（）A、 Select the ListDictionary collection class.B、 Select the HashTable collection class.C、 Select the Queue collection class.D、 Select the StringCollection collection class.
单选题Which of the following is the correct format for /etc/inittab entries（）ARunlevel：Action：Identifier：CommandBIdentifier：Runlevel：Action：CommandCCommand：Action：Identifier：ProcessDProcess：Runlevel：Command：Identifier
多选题Which two statements are true about the security-related tags in a valid Java EE deployment descriptor？（）AEvery tag must have at least one tag.BA tag can have many tags.CA given tag can apply to only one tag.DA given tag can contain from zero to many tags.EIt is possible to construct a valid tag such that，for a given resource，no user rolescan access that resource.
多选题Select the three valid LMI extension.（）AMulticastingBGlobal addressingCForward-explicit congestion notification （FECN）DVirtual circuit status messages.EBackward-explicit congestion notification （BECN）
单选题Select valid reasons for IT performance issues that cannot be universally solved by adding more hardware：（）A adding hardware may exacerbate inefficiency， which can lead to over provisioning and lower utilizationB performance may degrade due to bottlenecks such as database connections that won’t scale in lock step with other dimensions such as computing capacity or memoryC both A and B are validD neither A nor B are valid
多选题Which modifiers and return types would be valid in the declaration of a working main（） method for a Java standalone application？（）AprivateBfinalCstaticDintEabstract
多选题Select two valid administratively scoped multicast addresses in networks running Interior Gatewayprotocols like EIGRP and OSPF？（）A239.0.0.1B239.255.255.255C224.0.0.10D224.0.0.5
单选题Which of the following is not a valid setting for the PROGRAM_TYPE parameter in a program object or the JOB_TYPE parameter in a job object？（）A PLSQL_BLOCKB JAVA_STORED_PROCEDUREC STORED_PROCEDURED EXECUTABLEE None of the above are invalid settings.
单选题What does a BGP route reflector do when reflecting a route?（）AIt prepends its cluster identifier to the route's cluster list.BIt prepends its own originator identifier to the route's cluster list.CIt replaces the route's cluster identifier with its own cluster identifier.DIt replaces the route's originator identifier with its originator identifier.