Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication？（）A、It can be invoked only from the doGet or doPost methods.B、It can be used independently of the getRemoteUser method.C、Can return "true" even

题目

Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication？（）

A、It can be invoked only from the doGet or doPost methods.
B、It can be used independently of the getRemoteUser method.
C、Can return "true" even when its argument is NOT defined as a valid role name in the deployment descriptor.
D、Using the isUserInRole method overrides any declarative authentication related to the method in which it is invoked.

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相似问题和答案

第1题：

By default, which two statements are true about export routing polices?()

A. Export polices can evaluate only active routes

B. Export polices can evaluate all routes

C. Export polices can be applied to the forwarding table

D. Export polices can be applied to interfaces

参考答案：A, C

第2题：

By default, which two statements are true about export routing policies?（）

A、Export policies can evaluate only active routes
B、Export policies can evaluate all routes
C、Export policies can be applied to the forwarding table
D、Export policies can be applied directly to interfaces

正确答案:A,C

第3题：

Which two statements are true about the Automatic Diagnostic Repository (ADR)?()

A. The ADR base keeps all diagnostic information in binary format

B. SQL*Plus provides the ADRI script, which can be used to work with ADR

C. The ADR can be used for problem diagnosis only when the database is open

D. The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

E. The ADR can be used for problem diagnosis even when the database instance is down

F. The ADR base is shared across multiple instances

参考答案：E, F

第4题：

Which two can be used to create a new Thread？（）

A、 Extend java.lang.Thread and override the run method.
B、 Extend java.lang.Runnable and override the start method.
C、 Implement java.lang.thread and implement the run method.
D、 Implement java.lang.Runnable and implement the run method.
E、 Implement java.lang.Thread and implement the start method.

正确答案:A,D

第5题：

Which two of statements are true？（）

A、It is possible to synchronize static methods.
B、When a thread has yielded as a result of yield（）， it releases its locks.
C、When a thread is sleeping as a result of sleep（）， it releases its locks.
D、The Object.wait（） method can be invoked only from a synchronized context.
E、The Thread.sleep（） method can be invoked only from a synchronized context.
F、When the thread scheduler receives a notify（） request， and notifies a thread， that thread immediately releases its lock.

正确答案:A,D

第6题：

Which two statements are true regarding the USING clause in table joins?（）

A、It can be used to join a maximum of three tables
B、It can be used to restrict the number of columns used in a NATURAL join
C、It can be used to access data from tables through equijoins as well as nonequijoins
D、It can be used to join tables that have columns with the same name and compatible data types

正确答案:B,D

第7题：

Which two statements are true about the security-related tags in a valid Java EE deployment descriptor？（）

A、Every tag must have at least one tag.
B、A tag can have many tags.
C、A given tag can apply to only one tag.
D、A given tag can contain from zero to many tags.
E、It is possible to construct a valid tag such that，for a given resource，no user rolescan access that resource.

正确答案:B,E

第8题：

Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)

A. The ADR base keeps all diagnostic information in binary format

B. SQL*Plus provides the ADRI script, which can be used to work with ADR

C. The ADR can be used for problem diagnosis only when the database is open

D. The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

E. The ADR can be used for problem diagnosis even when the database instance is down

F. The ADR base is shared across multiple instances

参考答案：E, F

第9题：

Which two statements about the Cisco Nexus 1000V VSM are true?（）

A、It performs switching decisions and forwarding for the VEM
B、It can be run on a virtual machine
C、It can be used for remote VEM switching Iine cards

正确答案:B,C

第10题：

By default, which two statements are true about export routing polices?（）

A、Export polices can evaluate only active routes
B、Export polices can evaluate all routes
C、Export polices can be applied to the forwarding table
D、Export polices can be applied to interfaces

正确答案:A,C

Which two statements are true about using the isUserInRole method to implement security in a Java EEapplication？（）A、It can be invoked only from the doGet or doPost methods.B、It can be used independently of the getRemoteUser method.C、Can return "true" even

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