required是（）A、必填字符串校验器B、表达式校验器C、必填校验器D、正则表达式校验器
required是（）
- A、必填字符串校验器
- B、表达式校验器
- C、必填校验器
- D、正则表达式校验器
相关考题：
Value engineering/Analysis is the systematic use of techniques which does not include _____.A.establishing values for required functionsB.provide the required functions at the lowest overall cost.C.identifies the required function of an itemD.seeks to trade performance for costE.None of the above.
135 Value engineering/Analysis is the systematic use of techniques which does not include _____. A. establishing values for required functionsB. provide the required functions at the lowest overall cost.C. identifies the required function of an itemD. seeks to trade performance for costE. None of the above.
● Project (69) Management includes the processes required to ensure thatthe project includes all the work required, and only the work required, tocomplete the project successfully.tA.IntegrationB.ScopeC.ConfigurationD.Requiremen
which of the following can be used to develop the skill of listening for gist______. A、After listening, the students are required to copy the listening material.B、After listening, the students are required to write a summary of the text in a few sentences.C、While listening, the students are required to look at a list of words and circle those used by the speaker.D、After listening, the students are required to arrange the sentences in the order in which they are mentioned in the text.
Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include?A.The time required to lower a lifeboatB.The time required to raise a lifeboatC.The date of inspection and condition of the winchD.All of the above
At least one reinspection shall be made on each vessel holding a Certificate of Inspection valid for two years. This inspection shall be held between the tenth and fourteenth months of the duration period of the certificate and shall be ______.A.at the discretion of the inspector，but in no greater detail than required for original certificationB.at the discretion of the inspector，but in no lesser detail than required for original certificationC.generally similar in scope to the inspection required for certification，but in less detailD.equivalent to the inspection required for certification
A stand-on vessel is ______.A.required to give way in a crossing situationB.required to sound the first passing signal in a meeting situationC.free to maneuver in any crossing or meeting situation as it has the right-of-wayD.required to maintain course and speed in a crossing situation but may take action to avoid collision
During an annual FCC inspection ______．A.All required documents and publications may have to be producedB.Licensed GMDSS radio operators may be required to demonstrate equipment competenciesC.All required equipment must be fully operationalD.All of the above
A vessel restricted in her ability to maneuver is one which______．A.through some exceptional circumstance is unable to maneuver as required by the RulesB.from the nature of her work is unable to maneuver as required by the RulesC.due to adverse weather conditions is unable to maneuver as required by the RulesD.has lost steering and is unable to maneuver
Which of the following activities helps to train the skill of listening for gist?A．After listening, the students are required to figure out the relationship between the characters.B．After listening, the students are required to sequence the sentences according to the story.C．After listening, the students are required to identify the characters appearing in the story.D．After listening, the students are required to decide upon the title for the text.
（）includes the processes required to ensure that the project includes all the work required,and only the work required，to compete the project successfully.Managing the project scope is primarily concerned with defining and controlling what is not included in the project.A：Create scopEB：Project stakeholder managementC：Project scope managementD：Project cost management
Which typical enterprise campus requirement ensures that the network supports the required applications and that data flows within the required time frames？（）A、 availabilityB、 performanceC、 functionalityD、 manageability
Project（）Management includes the processes required to ensure that theproj ect includes all the work required, and only the work required, to complete the project successfully.A、IntegrationB、ScopeC、ConfigurationD、Requirement
Project （） Management includes the processes required to ensure that the project includes all the work required, and only the work required, to complete the project successfully.A、IntegrationB、ScopeC、ConfigurationD、Requirement
When youre performing active database duplication，a backup of what kind is required？（） A、 A current RMAN backup-set backup is required.B、 No backup is required.C、 An RMAN image backup is required.D、 A manual backup is required.E、 A "duplicate" preparatory backup is required.
Why is a data source required？（）A、 Data source contains data required for impact event enrichment.B、 Data source contains data required for calculating server downtime.C、 Data source contains data required for services and other related service information.D、 Data source contains data required for LDAP configurations， including login attempts and errors.
单选题During an annual FCC inspection（）.AAll required documents and publications may have to be producedBLicensed GMDSS radio operators may be required to demonstrate equipment competenciesCAll required equipment must be fully operationalDAll of the above
单选题At least one reinspection shall be made on each vessel holding a Certificate of Inspection valid for two years. This inspection shall be held between the tenth and fourteenth months of the duration period of the certificate and shall be（）.Aat the discretion of the inspector，but in no greater detail than required for original certificationBat the discretion of the inspector，but in no lesser detail than required for original certificationCgenerally similar in scope to the inspection required for certification，but in less detailDequivalent to the inspection required for certification
单选题Routing convergence time is which of the following？（）ATime required for a VPN connection to occurBTime required by protocols to update their forwarding tables after changes have occurredCTime required for an IDS to detect suspicious softwareDTime required by switch ports to update their link status and transition to the forwarding state
单选题Why is a data source required？（）A Data source contains data required for impact event enrichment.B Data source contains data required for calculating server downtime.C Data source contains data required for services and other related service information.D Data source contains data required for LDAP configurations， including login attempts and errors.
单选题Wat is NOT required in the radiotelephone log?（）ADistress and alarm signals transmitted or interceptedBTimes of beginning and end of watch periodCRoutine navigational trafficDDaily statement about the condition of the required radiotelephone equipment
单选题In a Junos Pulse Access Control Service active/active clustered environment, which statement is true about VIPs?（）AVIP is not required when using only agentless access for all endpoint platforms.BVIP is not required when using Junos Pulse or Odyssey Access Client for all endpoint platforms.CVIP is not required when using Junos Pulse and agentless access for all endpoint platforms.DVIP is not required when using Odyssey Access Client and agentless access for all endpoint platforms.
单选题When youre performing active database duplication，a backup of what kind is required？（）A A current RMAN backup-set backup is required.B No backup is required.C An RMAN image backup is required.D A manual backup is required.E A duplicate preparatory backup is required.
单选题Which typical enterprise campus requirement ensures that the network supports the required applications and that data flows within the required time frames？（）A availabilityB performanceC functionalityD manageability
单选题Company.com is having trouble installing a fresh AIX image onto a newly defined partition on a p5-520. The assignment of the adapters to the each of the partitions is as follows： Fibre Channel Card 01 - partition one - required Fibre Channel Card 02 - partition one - required SCSI adapter 01 - partition one - desired IDE adapter 01 - partition one - required Ethernet adapter 01 - partition one - required Ethernet adapter 01 - partition two - required SCSI adapter 02 - partition two - required IDE adapter 01 - partition two - desired Which of the following actions will enable the installation of the AIX image？（）AChange the IDE adapter from desired to required in partition two and restart the partition to release the resource.BPurchase a SCSI DVD-ROM drive to connect to the SCSI adapter in partition two.CPurchase an LTO tape drive so that a system image backup can be created to install a new AIX partition.DChange the IDE adapter from required to desired in partition one and restart the partition to release the resource.
单选题Lifeboat winches on a ship are required to be inspected and an entry made in the logbook. What should this entry include? （）AThe time required to lower a lifeboatBThe time required to raise a lifeboatCThe date of inspection and condition of the winchDAll of the above
单选题The period of a lighted aid to navigation refers to the（）.Adate of construction or establishmentBlength of time between flashes of the lightCtime required for the longest flash of each cycleDtime required for the light to complete each cycle
单选题The doctrine seems so obviously cruel ______ no further refutation.Aas to requireBto requireCbeing required Dhaving required