单选题Which of the following choices could be equal to set Z ifX = {2, 5, 6, 7, 9} and Y = {2, 5, 7}X ∪ Y ∪ Z = {1, 2, 3, 4, 5, 6, 7, 8, 9}X ∩ Z = {2, 6}Y ∩ Z = {2}A Z= {1, 4, 8}B Z= {1, 3, 8}C Z= {1, 3, 4, 8}D Z= {1, 2, 3, 4, 6, 8}E Z= {1, 2, 3, 5, 6, 8}

题目

单选题

Which of the following choices could be equal to set Z ifX = {2, 5, 6, 7, 9} and Y = {2, 5, 7}X ∪ Y ∪ Z = {1, 2, 3, 4, 5, 6, 7, 8, 9}X ∩ Z = {2, 6}Y ∩ Z = {2}

Z= {1, 4, 8}

Z= {1, 3, 8}

Z= {1, 3, 4, 8}

Z= {1, 2, 3, 4, 6, 8}

Z= {1, 2, 3, 5, 6, 8}

相似考题

1.Which of the following choices is informal complimentary close of business letters?A.faithfully yoursB.yours sincerelyC.yours truly

2.Which of the following ping parameters will set the size of the outgoing packet?（）A、–cB、iC、RD、–s

3.Which of the following options are valid choices for cluster communication security？（）A、rsh and sshB、Standard and VPNC、rhost and .shostsD、Classic and Enhanced

4.Which of the following shows the proper pronunciation of "whose" in the sentence "'In America, Li stayed in a family whose landlady could help him with his English"? A．/hus/ B．/huz/ C．/hu:s/ D．/hu:z/

更多“Which of the following choices could be equal to set Z ifX =”相关问题

第1题：

In your Cisco EIGRP network，you notice that the neighbor relationship between two of your routers was recently restarted. Which two of these choices could have made this occur？（）
- A、An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
- B、The ARP cache was cleared.
- C、The counters were cleared.
- D、The IP EIGRP neighbor relationship was cleared manually.
正确答案:A,D
第2题：

Which of the following commands will be run at a command prompt to determine which WindowsOS is running on the computer?（）
- A、VER
- B、Device Manager
- C、VERIFY
- D、SET
正确答案:A
第3题：

A user is receiving an error about not having enough virtual memory. A technician wants to manually set the amount of available virtual memory for the computer. At a MINIMUM， the technician should set the virtual memory to be which of the following？（）
- A、0.5 times the amount of physical memory
- B、1.5 times the amount of physical memory
- C、2 times the amount of physical memory
- D、Equal to the amount of physical memory
正确答案:B
第4题：

An Administrator notices a decrease in the performance of his site. This is directly related to an increase in usage. After further investigation he notices that users appear to be pooling up in the web server. Which of the following would cause this to occur？（）
- A、The web Server ThreadsPerChild directive could be set too low.
- B、The Web Container Thread Pool Minimum Size could be set too high.
- C、The Web Container Thread Pool Maximum Size could be set too high.
- D、The growable thread pool setting could be disabled for the Web Container.
正确答案:A,D
第5题：

Which of the following choices identifies a database component that will be used for multiplexing control files?（）
- A、V$CONTROLFILE
- B、V$DATABASE
- C、init.ora
- D、DBA FILES
正确答案:C
第6题：

Which of the following statements is true regarding the initialization parameter DIAGNOSTIC_DEST？（） The default value is the value of the environment variable $ORACLE_HOME； if $ORACLE_HOME isn’t set
- A、 then the default is set to $ORACLE_BASE The default value is the value of the environment variable $ORACLE_BASE； if $ORACLE_BASE isn’t set，
- B、 then it is set to $ORACLE_HOME
- C、 DIAGNOSTIC_DEST is always equal to $ORACLE_HOME
- D、 DIAGNOSTIC_DEST is always equal to $ORACLE_BASE
正确答案:B
第7题：

单选题
Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
A
INTRA-POLICY set to ’edge’， INTER-POLICY set to maximum
B
INTRA-POLICY set to ’center’， INTER-POLICY set to maximum
C
INTRA-POLICY set to ’middle’， INTER-POLICY set to minimum
D
INTRA-POLICY set to ’center’， INTER-POLICY set to minimum

正确答案： B
解析：暂无解析
第8题：

单选题
If the set S is composed of the following numbers {99, 100, 100, 105, 106, 116, 123}, which of the following is largest?
A
The average (arithmetic mean) of set S
B
The median of set S
C
The mode of set S
D
The range of set S
E
The standard deviation of set S

正确答案： A
解析：
根据公式可知，A项S数集的平均数=107，B项S数集的中位数=105，C项S数集的众数=100，D项S数集的极差=24，E项S数集的标准差≈9，故本题选A项。
第9题：

单选题
It could be inferred from the last paragraph that _____.
A
culture exercises an influence over social interrelationship
B
courteous convention and individual interest are interrelated
C
various virtues manifest themselves exclusively among friends
D
social interrelationships equal the complex set of cultural conventions

正确答案： B
解析：
从最后一段中，可推测出文化能影响社会关系。“As is true of any developed society, in America a complex set of cultural signals, assumptions, and conventions underlies all social interrelationships.”是全段的主题，该句可译为：像其他发达国家一样，在美国，人际关系的背后是一系列复杂的文化符号、信念和习俗。换言之，美国的文化决定了美国人的行为。
第10题：

单选题
After installing a second processor and corresponding heatsink into a server， an administrator notices that the new processor is not showing up during POST. Which of the following could be the cause of this issue？（）
A
The power supply is not sufficient to power the server.
B
The voltage regulator module （VRM） was not installed.
C
The IRQ setting was not set.
D
The DMA setting was not set.

正确答案： D
解析：暂无解析
第11题：

单选题
Which of the following answer choices is an additional parameter which must be supplied before the IGRP routing process can initialize?（）
A
Connected subnet numbers
B
Register administrative subnet masks
C
IP address mask
D
Autonomous system number
E
Metric weights

正确答案： B
解析：暂无解析
第12题：

单选题
If a-b＝0, which of the following must be equal to a b ?
A
2a
B
2b
C
a²
D
a
E
o

正确答案： A
解析：
因为a-b=0，所以ab=a×a=a²，故选C项。
第13题：

After installing a second processor and corresponding heatsink into a server， an administrator notices that the new processor is not showing up during POST. Which of the following could be the cause of this issue？（）
- A、 The power supply is not sufficient to power the server.
- B、 The voltage regulator module （VRM） was not installed.
- C、 The IRQ setting was not set.
- D、 The DMA setting was not set.
正确答案:B
第14题：

Which of the following utilities could be used to determine a subnet mask？（）
- A、PING
- B、NSLOOKUP
- C、TRACERT
- D、IPCONFIG
正确答案:D
第15题：

Which of the following logical volume placement policies is likely to give the best performance in most cases， all other factors being equal？（）
- A、 INTRA-POLICY set to ’edge’， INTER-POLICY set to maximum
- B、 INTRA-POLICY set to ’center’， INTER-POLICY set to maximum
- C、 INTRA-POLICY set to ’middle’， INTER-POLICY set to minimum
- D、 INTRA-POLICY set to ’center’， INTER-POLICY set to minimum
正确答案:B
第16题：

On a newly installed AIX V4 machine, which of the following default values applies to the ipforwarding network option?（）
- A、 The ipforwarding is off by default.
- B、 The ipforwarding is set on by default.
- C、 The value is dynamically determined at boot time by DHCP.
- D、 The value is equal to the setting of the directed_broadcast runtime attribute.
正确答案:A
第17题：

You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）
- A、Immediately following statement execution
- B、After the ALTER TABLE DROP UNUSED COLUMNS command is issued
- C、After the ALTER TABLE SET UNUSED COLUMN command is issued
- D、After the ALTER TABLE MODIFY command is issued
正确答案:B
第18题：

多选题
Triangle PQR is isosceles and ∠PQR measures 50°. Which of the following could be the measure of ∠PRQ? (Indicate all of the answer choices that apply.)
A
60°
B
65°
C
80°
D
100°
E
130°

正确答案： D,E
解析：
因为⊿PQR为等腰三角形，所以当∠PQR为顶角时，∠PRQ=65°；当∠PQR为底角时，∠PRQ=80°，故本题选择BC。
第19题：

多选题
The ratio of two quantities is 4 to 5. If each of the quantities is increased by 3, which of the following could be the ratio of these two new quantities? (Indicate all answer choices that apply.)
A
7/8
B
11/13
C
23/28

正确答案： B,A
解析：
由于题目中两个数字的具体数值不确定，因此任何符合题干条件的数值都可以，经验算，选项A, B, C均符合题意。
第20题：

单选题
On a newly installed AIX V4 machine, which of the following default values applies to the ipforwarding network option?（）
A
The ipforwarding is off by default.
B
The ipforwarding is set on by default.
C
The value is dynamically determined at boot time by DHCP.
D
The value is equal to the setting of the directed_broadcast runtime attribute.

正确答案： C
解析：暂无解析
第21题：

多选题
An Administrator notices a decrease in the performance of his site. This is directly related to an increase in usage. After further investigation he notices that users appear to be pooling up in the web server. Which of the following would cause this to occur？（）
A
The web Server ThreadsPerChild directive could be set too low.
B
The Web Container Thread Pool Minimum Size could be set too high.
C
The Web Container Thread Pool Maximum Size could be set too high.
D
The growable thread pool setting could be disabled for the Web Container.

正确答案： A,B
解析：暂无解析
第22题：

单选题
Which of the following statements is true regarding the initialization parameter DIAGNOSTIC_DEST？（） The default value is the value of the environment variable $ORACLE_HOME； if $ORACLE_HOME isn’t set
A
then the default is set to $ORACLE_BASE The default value is the value of the environment variable $ORACLE_BASE； if $ORACLE_BASE isn’t set，
B
then it is set to $ORACLE_HOME
C
DIAGNOSTIC_DEST is always equal to $ORACLE_HOME
D
DIAGNOSTIC_DEST is always equal to $ORACLE_BASE

正确答案： B
解析：暂无解析
第23题：

多选题
In your Cisco EIGRP network，you notice that the neighbor relationship between two of your routers was recently restarted. Which two of these choices could have made this occur？（）
A
An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.
B
The ARP cache was cleared.
C
The counters were cleared.
D
The IP EIGRP neighbor relationship was cleared manually.

正确答案： D,B
解析：暂无解析

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单选题Which of the following choices could be equal to set Z ifX = {2, 5, 6, 7, 9} and Y = {2, 5, 7}X ∪ Y ∪ Z = {1, 2, 3, 4, 5, 6, 7, 8, 9}X ∩ Z = {2, 6}Y ∩ Z = {2}A Z= {1, 4, 8}B Z= {1, 3, 8}C Z= {1, 3, 4, 8}D Z= {1, 2, 3, 4, 6, 8}E Z= {1, 2, 3, 5, 6, 8}

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