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【判断题】
由于商品经济发展不充分,十月革命之后,首先在农业领域爆发了危机。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】If each node of the network is connected into a closed loop through a repeater, this topology structure is called ______.
A.
Bus topology
B.
Star topology
C.
tree topology
D.
ring topology
【单选题】Which of the following topology situations would be a qood candidate for configuring DMVPN（）
A.
Extranet VPN
B.
Managed overlay VPN topology
C.
Hub-and-spoke VPN topology
D.
Central-site VPN topology
E.
Full mesh VPN topology
F.
Remote-access VPN topology
【简答题】The
below network configuration has a Star Topology:A. True: It is a Star Topology B. False: It is a Ring Topology
【单选题】Which kind of topology is it ?
A.
bus topology
B.
star topology
C.
ring topology
D.
hierarchy topology
【多选题】目前我国SDH网络结构为()
A.
分四个层面，其中第一层面为(长途一级干线网)，第二层面为(二级干线网)
B.
分四个层面，其中第三层面为(中继层)，第四层面为(接入层)。
C.
分三层，其中第一层面为(长途一级干线网)，第二层面为(中继层)
D.
分三层，其中第三层面为(接入层)。
【单选题】Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology？（）
A.
EIGRP can summarize per interface.
B.
OSPF router databases remain independent.
C.
When they are configured with stubs， EIGRP regularly floods the topology.
D.
OSPF topology decisions are made independent of hierarchy or area.
【单选题】 The network topology of hubs-based Ethernet is ().
A.
Tree Topology
B.
Network Topology
C.
Starlike Topology
D.
Ring Topology
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