Which three JVM̳

题目

Which three JVM options would you add to investigate performance issues in a Hot-Spot JVM?()

  • A、-xx:+PrintGCDetails
  • B、-xx:+PrintGCTimeStamps  
  • C、-xx:+HandlePromotionFailure
  • D、-verbose:gc
  • E、-server
参考答案和解析
正确答案:A,B,E
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相似问题和答案

第1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

正确答案:B,D,E

第2题:

Which three applications are disabled for compression by default?() (Choose three.)

  • A、FTP
  • B、SSH
  • C、UDP
  • D、HTTPS
  • E、Traceroute

正确答案:B,D,E

第3题:

Which three actions are allowed in event details? ()(Choose three.)

A.Send

B.Raise

C.Delete

D.Receive

E.Acknowledge


参考答案:A, B, D

第4题:

多选题
Which three are the components of SNMP? ()
A

MIB

B

manager

C

supervisor

D

agent

E

set

F

AES


正确答案: F,E
解析: 暂无解析

第5题:

What two statements are true about Oracle Enterprise Manager’s Java Diagnostic tool, which makes the tool suitable for production server diagnostics ?()

  • A、 virtually zero overhead for application running in the JVM 
  • B、 no stalling of running JVM when taking a heap dump for memory analysis 
  • C、 no need of modification, changes, or instrumentation of the application since is uses Network Protocol Analysis (NPA technology)
  • D、 provides Byte Code Instrumentation for Java

正确答案:A,B

第6题:

Which three BGP states are associated with establishing TCP connectivity?() (Choose three.)

  • A、Idle
  • B、Active
  • C、Connect
  • D、Open Sent
  • E、Established

正确答案:A,B,C

第7题:

What are three functions of a WebSphere Node Agent?()

  • A、monitors performance
  • B、manages JVM memory
  • C、serves J2EE applications
  • D、manages the deployment manager
  • E、manages configuration synchronization
  • F、routes administrative requests to servers

正确答案:A,E,F

第8题:

Which one is not in the same category with other three items?( )


答案:C
解析:
考查语音学。A、B、D三项均为摩擦音(fricative),C项为爆破音(plosive)。

第9题:

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

Objects from classes that use aggregation cannot be serialized.

B

Art 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 anddeserialization.

D

The values in fields with the transient modifier will NOT survive serialization anddeserialization.

E

It is legal to serialize an object of a type that has a supertype that does NOT implement java.io.Serializable.


正确答案: A,D
解析: 暂无解析

第10题:

多选题
Which three applications are disabled for compression by default?() (Choose three.)
A

FTP

B

SSH

C

UDP

D

HTTPS

E

Traceroute


正确答案: B,E
解析: 暂无解析

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