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【单选题】
下列有关皮亚杰的认知发展阶段理论的说法,正确的是( )
A.
儿童的认知发展可以分为前运算、具体运算和形式运算三个阶段
B.
2-7 岁的儿童处于前运算阶段,表现出知觉的集中倾向性、不可逆性、自我中心主义等特点
C.
认知发展的每一个阶段独特的认知结构,其出现的顺序因人而异
D.
认知发展的每个阶段都是独立、毫无关联的
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【单选题】What is the operating system do Juniper Networks MX Series routers use?()
A.
IOS
B.
MX-OS
C.
UNIX
D.
Junos OS
【单选题】Which operating system do Juniper Networks MX Series routers use?()
A.
IOS
B.
MX-OS
C.
UNIX
D.
Junos OS
【单选题】How many committed configuration files are stored on the Juniper Networks enterprise router?()
A.
4
B.
15
C.
48
D.
50
【简答题】adv. 到处,贯穿全部地; prep. 遍及
【多选题】What are three valid Juniper Networks IPS attack object types?() (Choose three.)
A.
signature
B.
anomaly
C.
trojan
D.
virus
E.
chain
【多选题】What methods are available to create separate multicast and unicast forwarding topologies on a Juniper Networks router?()
A.
MBGP
B.
RIB groups
C.
Routing policy
D.
Firewall filters
【简答题】prep. /ad. 遍及,在......各处;在整个期间 t__________
【判断题】Juniper Networks said its products were not affected. ( )
A.
正确
B.
错误
【简答题】prep. 遍及
【多选题】Which three are used to create a separate multicast and unicast forwarding topology on a Juniper Networks router?()
A.
MBGP
B.
RIB groups
C.
firewall filters
D.
routing policy
E.
filter based forwarding (FBF)
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