多选题Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)Ac=dBl and k are parallelCm and l are perpendicular

题目
多选题
Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)
A

c=d

B

l and k are parallel

C

m and l are perpendicular

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更多“多选题Concerning the figure below, if a =b, which of the following statements must be true? (Indicate all such statements.)Ac=dBl and k are parallelCm and l are perpendicular”相关问题

  • 第1题：

    Which of the following statements is FALSE，concerning the regulations pertaining to the cylinder room of a fixed CO2 fire extinguishing system ________．

    A.The compartment must be properly ventilated

    B.The temperature of the room should never exceed 130℉

    C.The door must be kept unlocked

    D.The compartment shall be clearly marked and identifiable


    正确答案：C

  • 第2题：

    Which of the following statements is TRUE about the primary system dump device?（）

    • A、 It is shared. 
    • B、 It must be /dev/hd6. 
    • C、 It must be an internal disk. 
    • D、 It can be an external device.

    正确答案:D

  • 第3题：

    Which of the following statements is TRUE concerning the po column of the vmstat command？（）

    • A、 The sys is high when po is high.
    • B、 The po represents the number of page steals.
    • C、 The low values usually indicate insufficient paging space.
    • D、 The low values usually indicate sufficient memory for the load.

    正确答案:D

  • 第4题：

    Which of these statements concerning the collection interfaces are true？（）  

    • A、Set extends Collection.
    • B、All methods defined in Set are also defined in Collection.
    • C、List extends Collection.
    • D、All methods defined in List are also defined in Collection.
    • E、Map extends Collection.

    正确答案:A,B,C

  • 第5题：

    单选题
    Which of the following statements is true concerning centrifugal pumps?（）
    A

    They are particularly suited for pumping high viscosity fluids

    B

    They are started with the discharge valve opened

    C

    The flow of liquid is developed by imparting energy due to the rotation of an impeller

    D

    They are always mounted in a horizontal position


    正确答案： A
    解析： 暂无解析

  • 第6题：

    多选题
    Given two different character sets （A and B）， which of the following must be true for A to be considered a strict superset of B？（）
    A

    A must contain all of the characters defined in B

    B

    A must be Unicode

    C

    The encoded values in A must match the encoded values in B for all characters defined in B

    D

    A must be a multibyte character set

    E

    The encoded values in A must match the encoded values in B for all numeric and alphabetic character


    正确答案： E,B
    解析： 暂无解析

  • 第7题：

    多选题
    Which of the following statements are true? (Indicate all such statements.)
    A

    τ(5) =τ(7)

    B

    τ(5) τ(7) =τ(35)

    C

    τ(5) + τ(7) =τ(12)


    正确答案： A,B
    解析：
    5和7均只有两个正除数，因此根据题干信息，A项正确；35有四个正除数，所以B项也是正确的；12有6个正除数，因此C项错误；选择A、B两项。

  • 第8题：

    单选题
    Which of the following statements is TRUE concerning the po column of the vmstat command？（）
    A

     The sys is high when po is high.

    B

     The po represents the number of page steals.

    C

     The low values usually indicate insufficient paging space.

    D

     The low values usually indicate sufficient memory for the load.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）
    A

    All OSPF networks require the use of multiple areas

    B

    Multiple OSPF areas must connect to area 0

    C

    Single area OSPF networks must be configured in area 1

    D

    Areas can be assigned any number from 0 to 63535

    E

    Area 0 is called the backbone area

    F

    Each OSPF area need to be configured with a loopback interface


    正确答案： D,B
    解析： 暂无解析

  • 第10题：

    多选题
    Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?（）
    A

    A must contain all of the characters defined in B

    B

    A must be Unicode

    C

    The encoded values in A must match the encoded values in B for all characters defined in B

    D

    A must be a multibyte character set

    E

    The encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B


    正确答案： E,D
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following statements is TRUE about the primary system dump device?（）
    A

     It is shared. 

    B

     It must be /dev/hd6. 

    C

     It must be an internal disk. 

    D

     It can be an external device.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following statements is true concerning any evaporator?（）
    A

    High conductivity of the distillate indicates distillate salinity is excessive

    B

    Increasing the absolute pressure of the shell will increase the distillers capacity

    C

    Mesh separators are used in evaporators to filter the distillate

    D

    Reducing the brine density will reduce the heat lost overboard


    正确答案： B
    解析： 暂无解析

  • 第13题：

    Which statements concerning the switch construct are true？（）  

    • A、All switch statements must have a default label.
    • B、There must be exactly one label for each code segment in a switch statement.
    • C、The keyword continue can never occur within the body of a switch statement.
    • D、No case label may follow a default label within a single switch statement.
    • E、A character literal can be used as a value for a case label.

    正确答案:E

  • 第14题：

    Which statement is true regarding the INTERSECT operator?（）

    • A、It ignores NULL values 
    • B、Reversing the order of the intersected tables alters the result 
    • C、The names of columns in all SELECT statements must be identical 
    • D、The number of columns and data types must be identical for all SELECT statements in the query 

    正确答案:D

  • 第15题：

    Which of the following statements is true regarding implementing Live Partition Mobility on two existing POWER6 based systems?（）

    • A、The systems must use internal storage for boot purposes. 
    • B、All virtualized ethernet adapters must be numbered below 10. 
    • C、The mobile partition's network and disk access must be virtualized. 
    • D、Each system must be controlled by a different Hardware Management Console (HMC). 

    正确答案:C

  • 第16题：

    Given two different character sets (A and B), which of the following must be true for A to be considered a strict superset of B?（）

    • A、A must contain all of the characters defined in B
    • B、A must be Unicode
    • C、The encoded values in A must match the encoded values in B for all characters defined in B
    • D、A must be a multibyte character set
    • E、The encoded values in A must match the encoded values in B for all numeric and alphabetic characters in B

    正确答案:A,C

  • 第17题：

    多选题
    If p and q are primes greater than 2, which of the following statements must be true? (Indicate all such statements.)
    A

    p + q is even

    B

    pq is odd

    C

    p2-q2 is even


    正确答案： A,B
    解析：
    由于所有大于2的质数都是奇数，因此p和q均是奇数，两奇数相加为偶数，所以A项正确；两奇数的乘积还是奇数，所以B项正确；两奇数的平方还各自是奇数，而两奇数的平方之差是偶数，因此C项也正确；所以选择A、B、C三项。

  • 第18题：

    单选题
    Which of the following statements is true regarding implementing Live Partition Mobility on two existing POWER6 based systems?（）
    A

    The systems must use internal storage for boot purposes. 

    B

    All virtualized ethernet adapters must be numbered below 10. 

    C

    The mobile partition's network and disk access must be virtualized. 

    D

    Each system must be controlled by a different Hardware Management Console (HMC). 


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    Which of the following statements is not true concerning symptom of a fire in the scavenge air box?（）
    A

    an increase in the exhaust temperature of the affected cylinder

    B

    the turbocharger may surge

    C

    the explosion pressure in all cylinders will rise violently

    D

    smoke from the turbocharger air inlet filter will be seen


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    Which of the following statements is true regarding implementing Live Partition Mobility on two existing POWER6 based systems？ （）
    A

     The systems must use internal storage for boot purposes.

    B

     All virtualized Ethernet adapters must be numbered below 10.

    C

     The mobile partition’s network and disk access must be virtualized.

    D

     Each system must be controlled by a different Hardware Management Console （HMC）.


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following statements is not true?
    A

    Henry Ford influenced our lives.

    B

    Henry Ford influenced historians.

    C

    Henry Ford influenced all manufacturing.


    正确答案： A
    解析：
    选项A和C分别于第一段前两句相对应。选项B在文中并未提及。

  • 第22题：

    多选题
    Which statements are true concerning NAT？ （）
    A

    NAT provides 1 to manyaddress mapping.

    B

    NAT provides 1 to 1 address mapping.

    C

    NAT is only useful forTCP/UDP and ICMP traffic.

    D

    NAT can be used for all IP traffic.


    正确答案： A,B
    解析： 暂无解析

  • 第23题：

    单选题
    Which statement is true regarding the INTERSECT operator?（）
    A

    It ignores NULL values 

    B

    Reversing the order of the intersected tables alters the result 

    C

    The names of columns in all SELECT statements must be identical 

    D

    The number of columns and data types must be identical for all SELECT statements in the query 


    正确答案： D
    解析： 暂无解析

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