网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
Which constraint can be defined only at the column level? ()
A. UNIQUE
B. NOT NULL
C. CHECK
D. PRIMARY KEY
E. FOREIGN KEY
参考答案
更多 “ Which constraint can be defined only at the column level? () A. UNIQUEB. NOT NULLC. CHECKD. PRIMARY KEYE. FOREIGN KEY ” 相关考题
考题
Giventhetwosecurityconstraintsinadeploymentsecurity-constraint102.!--acorrecturl-patternandhttp-methodgoeshere--103.auth-constraintrole-nameSALES/role-name/auth-.auth-constraint104.role-nameSALES/role-name105./auth-constraint106./security-constraint107.security-constraint108.!--acorrecturl-patternandhttp-methodgoeshere--109.!--Insertanauth-constrainthere--110./security-constraintIfthetwosecurityconstraintshavethesameurl-patternandhttp-methodwhichtwo insertedindependentlyatline109，willallowuserswithrolenamesofeitherSALESorMARKETINGtoaccessthisresource？（）
考题
Whichtypeofbackupmustbeperformedfirstwithanincrementalbackup?()
A.Level1B.Level0C.Level2D.Level3
考题
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A. Level 1 onlyB. Level 2 onlyC. Level 1 and Level 2D. Level 3 only
考题
AnIS－ISrouterisadjacenttoandpassingtrafficwithaneighbor.Youperformashowis interfacedetailcommandandnoticethatforsomeinterfacesyouhaveacircuittypeof3.WhichIS－ISlevel(s)isenabledontheseinterfaces?()
A.Level1onlyB.Level2onlyC.Level1andLevel2D.Level3only
考题
According to JUNOS software route selection algorithm, which IS－IS route type is most preferred?()
A. Level 1 internal routesB. Level 1 external routesC. Level 2 internal routesD. Level 2 external routes
考题
Which IS － IS router is equivalent to an ABR in OSPF?()
A. Level 2 - 3B. Level 1 - 2C. Level 2D. Level 0E. Level 3F. Level 1
考题
设置多列布局的属性值为（）。A．columns-widthB．column-countC．column-gapD．column-rule
热门标签
最新试卷