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单选题When is the connection concentrator enabled?()A When the value of MAX_CONNECTIONS is greater than the value of MAX_COORDAGENTS.  B When the value of MAX_AGENTS is greater than the value of MAX_CLIENTS.  C When the value of NUM_AGENTS is greater than th

题目
单选题
When is the connection concentrator enabled?()
A

When the value of MAX_CONNECTIONS is greater than the value of MAX_COORDAGENTS.  

B

When the value of MAX_AGENTS is greater than the value of MAX_CLIENTS.  

C

When the value of NUM_AGENTS is greater than the value of MAX_AGENTS. 

D

When the value of NUM_CONNECTIONS is greater than the value of NUM_COORDAGENTS.


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  • 第1题:

    Which of the following is a characteristic of a sequence?()

    A.A sequence will never generate duplicate values

    B.The MAXVALUE of a sequence can be equal to the MINVALUE

    C.It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero

    D.When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries


    参考答案:B

  • 第2题:

    前缀列表{ip ip-prefix}的命令格式为 ip ip-prefix ip-prefix-name[index index-number]{permit|deny}ipv4-address mask-length[greater-equal greater-equal-value][less-equal less-equal-value],如果仅指定了greater-equal未指定less-equal,则前缀范围为()

    A.[0,greater-equal-value]

    B.[mask-length.greater-equal-value]

    C.[greater-equal-value,32]

    D.无限制


    参考答案:C

  • 第3题:

    DS2 has not become the active device for Vlan103’s HSRP group even though all interfaces are active. As related to Vlan103’s HSRP group.  What can be done to make the group function properly ? ()

    • A、 On DS1, disable preempt
    • B、 On DS1, decrease the priority value to a value less than 190 and greater than 150
    • C、 On DS2, increase the priority value to a value greater 241 and less than 249
    • D、 On DS2, increase the decrement value in the track command to a value greater than 10 and less than 50.

    正确答案:C

  • 第4题:

    In which situation is the UNDO_RETENTION parameter be ignored, even if it is set to a value()

    • A、When the data file of the undo tablespace is autoextensible
    • B、When there are more than one undo tablespaces available in the database
    • C、When the undo tablespace is of a fixed size and retention guarantee is not enabled
    • D、When the undo tablespace is autoextensible and retention guarantee is not enabled

    正确答案:C

  • 第5题:

    Which of the following is a characteristic of a sequence?()

    • A、A sequence will never generate duplicate values
    • B、The MAXVALUE of a sequence can be equal to the MINVALUE
    • C、It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero
    • D、When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries

    正确答案:B

  • 第6题:

    In which situation may the UNDO_RETENTION parameter be ignored, even if it is set to a value()

    • A、when the data file of the undo tablespace is autoextensible
    • B、when there are more than one undo tablespaces available in the database
    • C、when the undo tablespace is of a fixed size and retention guarantee is not enabled
    • D、when the undo tablespace is autoextensible and retention guarantee is not enabled

    正确答案:C

  • 第7题:

    单选题
    When is the connection concentrator enabled?()
    A

    When the value of MAX_CONNECTIONS is greater than the value of MAX_COORDAGENTS.  

    B

    When the value of MAX_AGENTS is greater than the value of MAX_CLIENTS.  

    C

    When the value of NUM_AGENTS is greater than the value of MAX_AGENTS. 

    D

    When the value of NUM_CONNECTIONS is greater than the value of NUM_COORDAGENTS.


    正确答案: D
    解析: 暂无解析

  • 第8题:

    单选题
    DS2 has not become the active device for Vlan103’s HSRP group even though all interfaces are active. As related to Vlan103’s HSRP group.  What can be done to make the group function properly ? ()
    A

     On DS1, disable preempt

    B

     On DS1, decrease the priority value to a value less than 190 and greater than 150

    C

     On DS2, increase the priority value to a value greater 241 and less than 249

    D

     On DS2, increase the decrement value in the track command to a value greater than 10 and less than 50.


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    You have included the following parameter settings in your SPFILE://    SGA_MAX_SIZE=8G   SGA_TARGET=6G   DB_CACHE_SIZE=2G   SHARED_POOL_SIZE=1G   LOG_BUFFER=64M   DB_KEEP_CACHE_SIZE=960M   Which statement is true if you modify the SGA_TARGET initialization parameter?()
    A

    The SGA_TARGET initialization parameter cannot be set to a value greater than 8G

    B

     The DB_CACHE_SIZE initialization parameter cannot be set to a value less than 2G

    C

     The DB_CACHE_SIZE initialization parameter cannot be set to a value greater than 2G

    D

     The DB_KEEP_CACHE_SIZE initialization parameter cannot be set to a value greater than 960M 

    E

     The DB_KEEP_CACHE_SIZE initialization parameter cannot be set to a value less than 960M


    正确答案: C
    解析: 暂无解析

  • 第10题:

    多选题
    Which statements are true concerning the effect of the >> and >>> operators?()
    A

    For non-negative values of the left operand, the >> and >>> operators will have the same effect.

    B

    The result of (-1 >> 1) is 0.

    C

    The result of (-1 >>> 1) is -1.

    D

    The value returned by >>> will never be negative as long as the value of the right operand is equal     to or greater than 1.

    E

    When using the >> operator, the leftmost bit of the bit representation of the resulting value will    always be the same bit value as the leftmost bit of the bit representation of the left operand.


    正确答案: A,D
    解析: 暂无解析

  • 第11题:

    填空题
    If x + 9 is 50% greater than x, then what is the value of x?____

    正确答案: 18
    解析:
    根据题干得知x+9= 1.5x,减9,则9=0.5x。两边乘2,则18=x。

  • 第12题:

    单选题
    Which of the following is a characteristic of a sequence?()
    A

    A sequence will never generate duplicate values

    B

    The MAXVALUE of a sequence can be equal to the MINVALUE

    C

    It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero

    D

    When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundaries


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B?()

    A.The loopback addresses are on different subnets

    B.The value of the dead timers on the router are different

    C.Route summarization is enabled on both routers

    D.The process indentifier on router A is different than the process identifier on router B


    参考答案:B

  • 第14题:

    A celestial body will cross the prime vertical circle when the latitude is numerically ______.

    A.greater than the declination and both are of the same name

    B.less than the declination and both are of the same name

    C.greater than the declination and both are of contrary name

    D.less than the declination and both are of contrary name


    正确答案:A
    一天体将穿过东西圈,当纬度在数字上大于赤纬并且纬度和赤纬同名。

  • 第15题:

    During routine maintenance, it became necessary to shutdown G1/0/1 on DS1 and DS2. All other interface were up. During this time, DS1 became the active device for Vlan104’s HSRP group. As related to Vlan104’s HSRP group.  What can be done to make the group function properly ? ()

    • A、 On DS1, disable preempt
    • B、 On DS2, decrease the priority value to a value less than 150
    • C、 On DS1, increase the decrement value in the track command to a value greater than 6
    • D、 On DS1, disable track command.

    正确答案:C

  • 第16题:

    When is the connection concentrator enabled?()

    • A、When the value of MAX_CONNECTIONS is greater than the value of MAX_COORDAGENTS.  
    • B、When the value of MAX_AGENTS is greater than the value of MAX_CLIENTS.  
    • C、When the value of NUM_AGENTS is greater than the value of MAX_AGENTS. 
    • D、When the value of NUM_CONNECTIONS is greater than the value of NUM_COORDAGENTS.

    正确答案:A

  • 第17题:

    Which statements are true concerning the effect of the >> and >>> operators?()  

    • A、For non-negative values of the left operand, the >> and >>> operators will have the same effect.
    • B、The result of (-1 >> 1) is 0.
    • C、The result of (-1 >>> 1) is -1.
    • D、The value returned by >>> will never be negative as long as the value of the right operand is equal     to or greater than 1.
    • E、When using the >> operator, the leftmost bit of the bit representation of the resulting value will    always be the same bit value as the leftmost bit of the bit representation of the left operand.

    正确答案:A,E

  • 第18题:

    Identify two situations in which the block header grows in a data block. ()

    • A、when row directories need more row entries
    • B、when there is row migration in the data block
    • C、when there is an increase in the PCTFREE value for the data block
    • D、when more transaction slots are required than are initially configured

    正确答案:A,D

  • 第19题:

    单选题
    If t is 40 percent greater than p, and p is 40 percent less than 600, what is the value of t-p?
    A

    144

    B

    240

    C

    360

    D

    504

    E

    1008


    正确答案: A
    解析:
    因为p的值比600少40%,所以p=600(0.60)=360,t比p大40%,所以t=1.40p=1.40(360)=504,所以t-p=504-360=144。

  • 第20题:

    单选题
    If the sum of a number and the original number increased by 5 is greater than11, which could be a possible value of the number?
    A

    -5

    B

    -1

    C

    1

    D

    3

    E

    4


    正确答案: C
    解析:
    If the sum of a number, x, and the original number increased by 5, x+5, is greater than 11, then x+(x+5)>11, so 2x+5>11. Then 2x > 6, so x > 3. The only answer choice that is greater than 3 is E..

  • 第21题:

    单选题
    Passage 2 indicates that Costanza himself considers the true value of the world's ecosys- tems to be ______.
    A

    a subject more for psychologists than economists

    B

    impossible to determine

    C

    likely greater than his estimate

    D

    independent of the value of human emotions

    E

    roughly equal to the value of the gross national product of the United States1


    正确答案: D
    解析:
    这篇文章中提到Costanza保守地将成本定为33万亿美元,这表明Costanza认为这是个低估。

  • 第22题:

    单选题
    前缀列表{ip ip-prefix}的命令格式为 ip ip-prefix ip-prefix-name[index index-number]{permit|deny}ipv4-address mask-length[greater-equal greater-equal-value][less-equal less-equal-value],如果仅指定了greater-equal未指定less-equal,则前缀范围为()
    A

    [0,greater-equal-value]

    B

    [mask-length.greater-equal-value]

    C

    [greater-equal-value,32]

    D

    无限制


    正确答案: A
    解析: 暂无解析

  • 第23题:

    填空题
    Let f(x) be defined as the absolute value of the difference between the smallest and largest odd factors of x greater than 1. For example, f(42)=︱3-21︱=18. What is the value of f(90)?____

    正确答案: 42
    解析:
    90最大的奇因数为45,最小的奇因子为3,所以f(90)=45-3=42。

  • 第24题:

    单选题
    During routine maintenance, it became necessary to shutdown G1/0/1 on DS1 and DS2. All other interface were up. During this time, DS1 became the active device for Vlan104’s HSRP group. As related to Vlan104’s HSRP group.  What can be done to make the group function properly ? ()
    A

     On DS1, disable preempt

    B

     On DS2, decrease the priority value to a value less than 150

    C

     On DS1, increase the decrement value in the track command to a value greater than 6

    D

     On DS1, disable track command.


    正确答案: A
    解析: 暂无解析