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【单选题】
回收的问卷调查表中,有一些没有填写的项。处理这种缺失值的办法有多种,需要根据实际情况选择使用。对于一般性的缺失值项,最常用的方法是( )。
A.
删除含有缺失值的调查表
B.
将缺失的数值以该项已填值的平均值代替
C.
用某种统计模型的计算值来代替
D.
填入特殊标志,凡涉及该项的统计就排除这些
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举一反三
【单选题】Refer to the exhibit. What does the (*) represent in the output?()
A.
Packet is destined for a local interface to the router.
B.
Packet was translated, but no response was received from the distant device.
C.
Packet was not translated, because no additional ports are available.
D.
Packet was translated and fast switched to the destination.
【判断题】Java uses "System.out" to refer to the standard output device and "System.in" to the standard input device.
A.
正确
B.
错误
【判断题】货币差额论 " 着眼于货币数量的增减,主张多进口,少出口甚至不出口。( )
A.
正确
B.
错误
【单选题】股份有限责任公司的股东根据什么承担责任?
A.
入股时的协议
B.
出资比例
C.
法律规定
D.
股东不需要承担责任
【单选题】红细胞生成过程中起促进作用的主要因素是
A.
维生素 B12和叶酸
B.
促红细胞生成素
C.
雄激素
D.
铁和蛋白质
【单选题】股份有限责任公司,股东应当依据( )承担公司责任
A.
家庭全部财富
B.
认缴的股份
C.
个人全部财富
D.
不需要承担
【单选题】Refer to the exhibit.Which statement about the interface that generated the output is true?
A.
Five secure MAC addresses are dynamically learned on the interface
B.
A syslog message is generated when a violation occurs
C.
One secure MAC address is manually configured on the interface
D.
One secure MAC address is dynamically configured on the interface
【单选题】Refer to the exhibit. What set of commands was configured on interface Fa0/3 to produce the given the output?
A.
interface FastEthernet 0/3 Channel-group 1 mode desirable Switchport trunk encapsulation dot1q Switchport mode trunk
B.
interface FastEthernet 0/3 Channel-group 2 mode passive Switchport trunk encapsulation dot1q Switchport mode trunk
C.
interface FastEthernet 0/3 Channel-group 2 mode on Switchport trunk encapsulation dot1q Switchport mode trunk
D.
interface FastEthernet 0/3 Channel-group 2 mode active Switchport trunk encapsulation dot1q Switchport mode trunk
【单选题】Refer to the output. What IOS command produces this output?()
A.
show i p ospf
B.
show ip ospf interface
C.
show ipv6 ospf interface
D.
show ipv6 ospf
【单选题】Refer to the output from the show running-config command in the exhibit. What should the administrator do to allow the workstations connected to the FastEthernet 0/0 interface to obtain an IP address?
A.
Apply access-group 14 to interface FastEthernet 0/0.
B.
Add access-list 14 permit any any to the access list configuration.
C.
Configure the IP address of the FastEtherent 0/0 interface to 10.90.201.1.
D.
Add an interface description to the FastEthernet 0/0 interface configuration.
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