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Which statement describes VRRP object tracking?()A.It monitors traffic flow and link utilization.B.It ensures the best VRRP router is the virtual router master for the group.C.It causes traffic to dynamically move to higher bandwidth linksD.It thwarts man

题目
Which statement describes VRRP object tracking?()

A.It monitors traffic flow and link utilization.

B.It ensures the best VRRP router is the virtual router master for the group.

C.It causes traffic to dynamically move to higher bandwidth links

D.It thwarts man-in-the-middle attacks.

相似考题

1.You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;

2. The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（） R1# show track Track 2 IP SLA 1 state State is Up 3 changes, last change 00:00:03 Delay up 45 secs, down 55 secs Latest operation return code: OK Latest RTT (millisecs) 6 Tracked by: STATIC - IP - ROUTING 0A、The tracking return code fails after the SLA operation results in an ICMP echo failure three times.B、The tracking return code fails after the SLA operation results in an ICMP echo failure one time.C、After the tracking object fails, the tracking o bject moves back to an up state 45 seconds later in all cases.D、After moving to a down state, the tracking object moves back to an OK state 45 seconds after the SLA operation moves to an OK state.

3.Which statement describes VRRP object tracking?（）A、It monitors traffic flow and link utilization.B、It ensures the best VRRP router is the virtual router master for the group.C、It causes traffic to dynamically move to higher bandwidth linksD、It thwarts man-in-the-middle attacks.

4.Refer to the exhibit.Which statement describes DLCI 17?()A.DLCI 17 describes the ISDN circuit between R2 and R3.B.DLCI 17 describes a PVC on R2.It cannot be used on R3 or R1.C.DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.D.DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.

更多“Which statement describes VRRP object tracking?() ”相关问题

  • 第1题：

    Which statement correctly describes the change tracking writer （CTWR） background process？（）

    • A、 It keeps track of changes in the background processes.
    • B、 It records the system change number （SCN） in the control file.
    • C、 It writes audit records for user changes to the change tracking file.
    • D、 It records any changes to the listened configuration in the listener.ora file.
    • E、 It records any changes to the database parameters in the change tracking file.
    • F、 It records the physical location of all the changes that are made to the database in the change tracking file.

    正确答案:F

  • 第2题：

    Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  （VRRP），  which is being used in the Company network to provide redundancy？（）

    • A、 A VRRP group has one active and one or more standby virtual routers.
    • B、 A VRRP group has one master and one or more backup virtual routers.
    • C、 A VRRP group has one master and one redundant virtual router.
    • D、 None of the other alternatives apply

    正确答案:B

  • 第3题：

    Which four types of object can be thrown using the throw statement？（）

    • A、 Error
    • B、 Event
    • C、 Object
    • D、 Exception
    • E、 Throwable
    • F、 Runtime Exception

    正确答案:A,D,E,F

  • 第4题：

    You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement will you use to enable the block change tracking feature？（）

    • A、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING；
    • B、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING；
    • C、 ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE ；
    • D、 ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ；

    正确答案:D

  • 第5题：

    Which is an example of a dynamic SELECT statement? （）

    • A、A query whose object names change during its execution. 
    • B、A query whose object names are not known until run time. 
    • C、A query whose bind variables values change during execution. 
    • D、A query whose bind variable values are not known until run time.

    正确答案:B

  • 第6题：

    单选题
    You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.Which statement should you use to enable the block change tracking feature?（）
    A

    ALTER DATABASE ENABLE BLOCK CHANGE TRACKING

    B

    ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE

    C

    ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE

    D

    ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING


    正确答案： D
    解析： 暂无解析

  • 第7题：

    单选题
    Which statement describes the process ID that is used to run OSPF on a router ?（）
    A

    It is locally significant and must be the same throughout an area

    B

    It is globally significant and is used to represent the AS number

    C

    It is locally significant and is used to identify an instance of the OSPF database

    D

    It is globally significant and is used to identify OSPF stub areas


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement will you use to enable the block change tracking feature？（）
    A

     ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING；

    B

     ALTER DATABASE ENABLE BLOCK CHANGE TRACKING；

    C

     ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE ；

    D

     ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ；


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）
    A

    RMAN reads the block change tracking file only when it performs the incremental level 0 backup.

    B

    RMAN reads the block change tracking file when it performs both incremental backups.

    C

    RMAN reads the block change tracking file only when it performs the incremental level 1 backup.

    D

    RMAN does not read the block change tracking file when it performs either incremental backup.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  （VRRP），  which is being used in the Company network to provide redundancy？（）
    A

     A VRRP group has one active and one or more standby virtual routers.

    B

     A VRRP group has one master and one or more backup virtual routers.

    C

     A VRRP group has one master and one redundant virtual router.

    D

     None of the other alternatives apply


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    The following output occurs on Router R1. IP SLA operation 1 uses an ICMP echo operation type, with default frequency of 60 seconds. The operation pings from address 1.1.1.1 to address 2.2.2.2. Which of the following answers is true reg arding IP SLA and object tracking on R1?（） R1# show track Track 2 IP SLA 1 state State is Up 3 changes, last change 00:00:03 Delay up 45 secs, down 55 secs Latest operation return code: OK Latest RTT (millisecs) 6 Tracked by: STATIC - IP - ROUTING 0
    A

    The tracking return code fails after the SLA operation results in an ICMP echo failure three times.

    B

    The tracking return code fails after the SLA operation results in an ICMP echo failure one time.

    C

    After the tracking object fails, the tracking o bject moves back to an up state 45 seconds later in all cases.

    D

    After moving to a down state, the tracking object moves back to an OK state 45 seconds after the SLA operation moves to an OK state.


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    You have not configured Oracle Managed Files （OMF） in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature.  Which statement should you use to enable the block change tracking feature？（）
    A

     ALTER DATABASE ENABLE BLOCK CHANGE TRACKING

    B

     ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE 

    C

     ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE 

    D

     ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which statement describes the process ID that is used to run OSPF on a router ?（）

    • A、It is locally significant and must be the same throughout an area
    • B、It is globally significant and is used to represent the AS number
    • C、It is locally significant and is used to identify an instance of the OSPF database
    • D、It is globally significant and is used to identify OSPF stub areas

    正确答案:C

  • 第14题：

    Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（） 

    • A、 The declaration on line 2 does not allocate memory space for the variable myVect.
    • B、 The declaration on line 2 allocates memory space for a reference to a Vector object.
    • C、 The statement on line 2 creates an object of class Vector.
    • D、 The statement on line 3 creates an object of class Vector.
    • E、 The statement on line 3 allocates memory space for an object of class Vector.

    正确答案:A,D,E

  • 第15题：

    Which statement describes the function of the LNS in a L2TP environment?（）

    • A、It initiates both the PPP session and the tunnel.
    • B、It initiates the PPP session and terminates the tunnel.
    • C、It terminates the PPP session and initiates the tunnel.
    • D、It terminates the PPP session and terminates the tunnel.

    正确答案:D

  • 第16题：

    Which statement is true？（）

    • A、A class’s finalize（） method CANNOT be invoked explicitly.
    • B、super.finalize（） is called implicitly by any overriding finalize（） method.
    • C、The finalize（） method for a given object is called no more than once by the garbage collector.
    • D、The order in which finalize（） is called on two objects is based on the order in which the two objects became finalizable.

    正确答案:C

  • 第17题：

    单选题
    Which statement describes VRRP object tracking?（）
    A

    It monitors traffic flow and link utilization.

    B

    It ensures the best VRRP router is the virtual router master for the group.

    C

    It causes traffic to dynamically move to higher bandwidth links

    D

    It thwarts man-in-the-middle attacks.


    正确答案： A
    解析： 暂无解析

  • 第18题：

    单选题
    Which statement is true？（）
    A

    A class’s finalize（） method CANNOT be invoked explicitly.

    B

    super.finalize（） is called implicitly by any overriding finalize（） method.

    C

    The finalize（） method for a given object is called no more than once by the garbage collector.

    D

    The order in which finalize（） is called on two objects is based on the order in which the two objects became finalizable.


    正确答案： C
    解析： 暂无解析

  • 第19题：

    单选题
    You are managing an Oracle Database 10g database that uses Oracle Managed Files （OMF）. You enabled the block change tracking feature for the database. Which statement regarding the change tracking file is true？（）
    A

     One block change tracking file is created for each data file. By default， the file is created in DB_CREATE_FILE_DEST.

    B

     One block change tracking file is created for each data file. By default， the file is created in BACKGROUND_DUMP_DEST.

    C

     One block change tracking file is created for the database. By default， the file is created in DB_CREATE_FILE_DEST.

    D

     One block change tracking file is created for the database. By default， the file is created in BACKGROUND_DUMP_DEST.


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    A user issues a SELECT command against the Oracle database. Which of the following choices describes a step that Oracle will execute in support of this statement?（）
    A

    Acquire locks on table queried 

    B

    Generate redo for statement 

    C

    Fetch data from disk into memory 

    D

    Write changes to disk


    正确答案： A
    解析： 暂无解析

  • 第21题：

    多选题
    Which four types of object can be thrown using the throw statement？（）
    A

    Error

    B

    Event

    C

    Object

    D

    Exception

    E

    Throwable

    F

    Runtime Exception


    正确答案： E,A
    解析： 暂无解析

  • 第22题：

    单选题
    Which is an example of a dynamic SELECT statement? （）
    A

    A query whose object names change during its execution. 

    B

    A query whose object names are not known until run time. 

    C

    A query whose bind variables values change during execution. 

    D

    A query whose bind variable values are not known until run time.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    多选题
    Given the following code fragment：     public void create（） {     Vector myVect；     myVect = new Vector（）；      }  Which of the following statements are true？（）
    A

    The declaration on line 2 does not allocate memory space for the variable myVect.

    B

    The declaration on line 2 allocates memory space for a reference to a Vector object.

    C

    The statement on line 2 creates an object of class Vector.

    D

    The statement on line 3 creates an object of class Vector.

    E

    The statement on line 3 allocates memory space for an object of class Vector.


    正确答案： B,C
    解析： SL-275中指出：要为一个新对象分配空间必须执行new Xxx（）调用，new调用执行以下的操作： 
    1．为新对象分配空间并将其成员初始化为0或者null。 
    2．执行类体中的初始化。（例如在类中有一个成员声明int a=10；在第一步后a=0 ，执行到第二步后a=10）    
    3．执行构造函数。 
    4．变量被分配为一个到内存堆中的新对象的引用。

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