In order to meet the development of the exhibition/convention industry ,a code of regulations and rules has to be formulated.()

题目

In order to meet the development of the exhibition/convention industry ,a code of regulations and rules has to be formulated.()


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  • 第1题:

    Evaluate the following statements:What are the two consequences of the above statements?()

    A. Partitions of PURCHASE_ORDER_ITEMS have system-generated names.

    B. Both PURCHASE_ORDERS and PURCHASE_ORDER_ITEMS tables are created with four partitions each.

    C. Partitions of the PURCHASE_ORDER_ITEMS table exist in the same tablespaces as the partitions of the PURCHASE_ORDERS table.

    D. The PURCHASE_ORDER_ITEMS table inherits the partitioning key from the parent table by automatically duplicating the key columns.

    E. Partition maintenance operations performed on the PURCHASE_ORDER_ITEMS table are automatically reflected in the PURCHASE_ORDERS table.


    参考答案:B, C

  • 第2题:

    The doctor told Penny that too much _____ to the sun is bad for the skin.

    (A) exposure (B) extension (C) exhibition (D) expansion

     

     


    选A

    是暴露的意思。句子的意思是医生告诉他在太阳光下太久不好

  • 第3题:

    Whichtwodesignconcernsmustbeaddressedwhendesigningamulticastimplementation?()

    A.onlythelow-order23bitsoftheMACaddressareusedtomapIPaddresses

    B.onlythelow-order24bitsoftheMACaddressareusedtomapIPaddresses

    C.onlythehigh-order23bitsoftheMACaddressareusedtomapIPaddresses

    D.onlythelow-order23bitsoftheIPaddressareusedtomapMACaddresses

    E.the0x01004fMACaddressprefixisusedformappingIPaddressestoMACaddresses

    F.the0x01005eMACaddressprefixisusedformappingIPaddressestoMACaddresses


    参考答案:A, F

  • 第4题:

    The ORDERS table has these columns:ORDER_ID NUMBER(4) NOT NULLCUSTOMER_ID NUMBER(12) NOT NULLORDER_TOTAL NUMBER(10,2)The ORDERS table tracks the Order number, the order total, and the customer to whom the Order belongs.Which two statements retrieve orders with an inclusive total that ranges between 100.00 and 2000.00 dollars? ()

    A. SELECT customer_id, order_id, order_total FROM orders RANGE ON order _ total (100 AND 2000) INCLUSIVE;

    B. SELECT customer_id, order_id, order_total FROM orders HAVING order _ total BETWEEN 100 and 2000;

    C. SELECT customer_id, order_id, order_total FROM orders WHERE order _ total BETWEEN 100 and 2000;

    D. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and <= 2000;

    E. SELECT customer_id, order_id, order_total FROM orders WHERE order_total>= 100 and order_total <= 2000;


    参考答案:C, E

  • 第5题:

    Asystemadministratorhasbeenaskedtomigratethedev_vgvolumegroupfromserverAtoserverB.Thedev_vgvolumegroupcontainsasinglefilesystemnamed"/development".Toprepareformigration,whichofthefollowingisthecorrectsequenceofcommandsforremovingthevolumegroupfromserverA?()

    A.exportvgdev_vg;umount/development;varyoffvgdev_vg

    B.varyoffvgdev_vg;umount/development;exportvgdev_vg

    C.umount/development;exportvgdev_vg;varyoffvgdev_vg

    D.umount/development;varyoffvgdev_vg;exportvgdev_vg


    参考答案:D

  • 第6题:

    In ______ convention,a vessel which carries more than 12 passengers shall be deemed as a passenger ship.

    A.COSCO

    B.STCW

    C.SOLAS

    D.MARPOL


    正确答案:C