多选题Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?（）AA must contain all of the characters defined in BBA must be UnicodeCThe encoded values in A must match the encoded values

第1题：

第2题：

Automatic data conversion will occur if which of the following happens？（）

• A、 The client and server have different NLS_LANGUAGE settings
• B、 The client and server character sets are not the same，and the database character set is not a strict superset of the client character set
• C、 The client and server are in different time zones
• D、 The client requests automatic data conversion
• E、 The AUTO_CONVERT initialization parameter is set to TRUE

第3题：

第4题：

Which of the following statements is true regarding implementing Live Partition Mobility on two existing POWER6 based systems?（）

• A、The systems must use internal storage for boot purposes. 
• B、All virtualized ethernet adapters must be numbered below 10. 
• C、The mobile partition's network and disk access must be virtualized. 
• D、Each system must be controlled by a different Hardware Management Console (HMC). 

第5题：

You have configured a Classifier Access Control List(CLACL)with multiple match clauses.Each match clause has multiple defined fields within it.Which two statements describe how the router evaluates this CLACL?（）

• A、All fields in each match clause must match.
• B、All match clauses in the CLACL must match.
• C、Only asingle field in each match clause must match.
• D、Only asingle match clause in the CLACL must match

第6题：

Given two different character sets （A and B）， which of the following must be true for A to be considered a strict superset of B？（）

• A、 A must contain all of the characters defined in B
• B、 A must be Unicode
• C、 The encoded values in A must match the encoded values in B for all characters defined in B 
• D、 A must be a multibyte character set
• E、 The encoded values in A must match the encoded values in B for all numeric and alphabetic character

第7题：

Which statement is true regarding the INTERSECT operator?（）

• A、It ignores NULL values 
• B、Reversing the order of the intersected tables alters the result 
• C、The names of columns in all SELECT statements must be identical 
• D、The number of columns and data types must be identical for all SELECT statements in the query 

第8题：

第9题：

Which of the following is true about an OSPF area border router (ABR)?（）

• A、The ABR must have multiple interfaces connected to the backbone areA
• B、An ABR is a router with two interfaces, each connected to a different nonbackbone areA
• C、The only requirement to be considered an  ABR is at least one interface connected to the backbone areA
• D、An ABR must have at least one interface in the backbone area plus at least one other interface in a nonbackbone areA

第10题：

Which two statements are true regarding the return values of property written hashCode and equals methods from two instances of the same class？（）

• A、 If the hashCode values are different， the objects might be equal.
• B、 If the hashCode values are the same， the object must be equal.
• C、 If the hashCode values are the same， the objects might be equal.
• D、 If the hashCode values are different， the objects must be unequal.