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【简答题】
(38)SQL 语言集数据定义、数据查询、数据操纵和数据控制功能于一体,语句 UPDATE 实现哪类功能? A)数据定义 B)数据查询 C)数据操纵 D)数据控制
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【单选题】Which of the following is a of the benefit of a semi-conservative replication process?
A.
DNA can be quickly copied
B.
This type of replication helps to minimizes mistakes
C.
This type of replication requires fewer enzymes
D.
There is no benefit
【判断题】一般在保证压铸件成形和使用要求的前提下选用较低的比压。
A.
正确
B.
错误
【简答题】感知结点大都部署在无人监控的环境中,传统的网络安全措施对此不足以提供可靠的安全保障,在这个背景环境下的物联网安全的特殊性是什么?
【多选题】Which two statements about the EIGRP DUAL process are correct?()
A.
An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table.
B.
An EIGRP route will go passive  if there are no successors in the EIGRP topology table.
C.
DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.
D.
A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.
E.
The stuck in active state is caused when the wait for the query replies have timed out.
F.
EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.
【单选题】在 Java JDBC 编程中,下列语句能够正确加载 JDBC-ODBC 桥驱动程序的是( )。
A.
DriverManager.forName(“sun.jdbc.odbc.JdbcOdbcDriver”);
B.
DriverManager.getConnection(“sun.jdbc.odbc.JdbcOdbcDriver”);
C.
Class.forName(“sun.jdbc.odbc.JdbcOdbcDriver”);
D.
Class.getConnection(“sun.jdbc.odbc.JdbcOdbcDriver”);
【单选题】Angelia has recently begun making a lot of mistakes on her day job. She has not been listening attentively to her supervisor's instructions. Angelia is no longer attentive because she is exhausted. Sh...
A.
physiological noise
B.
defensiveness
C.
supervisory noise
D.
subtle noise
【多选题】节流过程是不可逆过程,在过程中流体处于非平衡状态,没有确定的状态参数。但可研究节流前后流体处于平衡状态的情况。例如:离节流足够远的两个截面1、2处,那里的气体已为平衡状态。Throttling process is an irreversible process, in which the fluid is in a non-equilibrium state and there are no d...
A.
压力 :p1
B.
压力 :p1>p2
C.
比体积:v1
D.
流速:w1
【简答题】简述 JDBC 的编程步骤。
【简答题】Hello everyone! Here are some job interview1. ___ which may help you succeed. We don’t want you to walk into your next interview 2.__________, so we’ve compiled our top job interview tips to help you ...
【单选题】Which of the following is a of the benefit of a semi-conservative replication process?
A.
This type of replication helps to minimizes mistakes
B.
DNA can be quickly copied
C.
This type of replication requires fewer enzymes
D.
There is no benefit
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