The PDB must be open in read only mode.
The PDB must be dosed.
The unplugged PDB becomes a non-cdb.
The unplugged PDB can be plugged into the same multitenant container database (CDB)
The unplugged PDB can be plugged into another cdb.
The PDB data files are automatically removed from disk.
第1题：
A. Each pluggable database (PDB) has its own set of background processes.
B. A PDB can have a private temp tablespace.
C. PDBs can share the sysaux tablespace.
D. Log switches occur only at the multitenant container database (CDB) level.
E. Different PDBs can have different default block sizes.
F. PDBs share a common system tablespace.
G. Instance recovery is always performed at the CDB level.
第2题：
Which three statements are true of dynamic routing protocols?（）
第3题：
The globe valve has a bulbous body, housing a valve seat and screw down plug or disc arranged at right angles to the axis of the pipeAccording to the above sentence, which of the following statements is not true?
A.The profile of the valve is like a globe
B.The valve seat is set into the bulbous body
C.The plug or disc of the valve is made vertical to the axis of the pipe
D.The valve seat is located at right side of the plug or disc
第4题：
Which of these statements concerning the collection interfaces are true？（）
第5题：
Which three statements concerning the use of the java.io.Serializable interface are true？（）
第6题：
A.They are scalable.
B.They are Dijkstra based.
C.They share network layer reach ability information among neighbors.
D.They automate next hopdecisions.
E.They are tolerant of configuration errors.
第7题：
Which three statements are true about terms in a policy?（）
第8题：
A language change is inevitable
B language change is abrupt
C language change is universal
D language change is extensive
第9题：
Which statements are true concerning NAT？ （）
第10题：
Which three statements concerning the use of the java.io.Serializable interface are true？（）