Which three possible values can be set for the TIME_ZONE ses

第1题：

In which four clauses can a subquery be used?（）

• A、in the INTO clause of an INSERT statement
• B、in the FROM clause of a SELECT statement
• C、in the GROUP BY clause of a SELECT statement
• D、in the WHERE clause of a SELECT statement
• E、in the SET clause of an UPDATE statement
• F、in the VALUES clause of an INSERT statement

第2题：

Which two statements are true about the hashCode method？（）

• A、 The hashCode method for a given class can be used to test for object equality and object inequality for that class.
• B、 The hashCode method is used by the java.util.SortedSet collection class to order theelements within that set.
• C、 The hashCode method for a given class can be used to test for object inequality， but NOT object equality， for that class.
• D、 The only important characteristic of the values returned by a hashCode method is that the distribution of values must follow a Gaussian distribution.
• E、 The hashCode method is used by the java.util.HashSet collection class to group the elements within that set into hash buckets for swift retrieval.

第3题：

第4题：

Which three statements describe how the strict SQL mode provides added security?（）

• A、It rejects statements that try to insert out-of-range values
• B、It rejects invalid dates
• C、It limits the operations that the server can perform
• D、It rejects queries that produce out-of-range values
• E、It rejects dates with zero day or month values

第5题：

Which three statements are true about Cisco IOS Firewall？（）

• A、It can be configured to block Java traffic.
• B、It can be configured to detect and prevent SYN-flooding denial-of-service （DoS） network attacks.
• C、It can only examine network layer and transport layer information.
• D、It can only examine transport layer and application layer information.
• E、The inspection rules can be used to set timeout values for specified protocols.
• F、The ip inspect cbac-name command must be configured in global configuration mode.

第6题：

When policy - based routing (PBR) is being configured, which three criteria can the set command specify?（）

• A、all interfaces in the path toward the destination
• B、all networks in the path toward the destination
• C、adjacent next hop router in the path toward the destination
• D、all routers in the path toward the destination
• E、all interfaces through which the packets can be routed
• F、type of service and precedence in the IP packets

第7题：

Which three statements concerning the use of the java.io.Serializable interface are true？（）

• A、Objects from classes that use aggregation cannot be serialized
• B、An object serialized on one JVM can be successfully deserialized on a different JVM
• C、The values in fields with the volatile modifier will NOT survive serialization and deserialization
• D、The values in fields with the transient modifier will NOT survive serialization and deserialization
• E、It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable

第8题：

第9题：

Which three contexts can be used as matching conditions in a source NAT configuration? （）(Choose three.)

• A、routing-instance
• B、zone
• C、interface
• D、policy
• E、rule-set

第10题：

Which three statements are true regarding single-row functions？（）

• A、 They can accept only one argument.
• B、 They can be nested up to only two levels.
• C、 They can return multiple values of more than one data type.
• D、 They can be used in SELECT， WHERE， and ORDER BY clauses.  
• E、 They can modify the data type of the argument that is referenced.
• F、 They can accept a column name， expression， variable name， or a user-supplied constant as arguments.