【名词&注释】
电子商务(e-commerce)、移动用户(mobile user)、接入网(access network)、电话网(telephone network)、结合起来
[单选题]接入网与电话网之间的接口属于（ ）接口。
A. NNI
B. SNI
C. UNI
D. Q3
查看答案&解析
举一反三：
[单选题]把线上商务和线下商务结合起来的电子商务模式是（ ）。
A. B2B
B. C2C
C. O2O
D. B2C
[多选题]阅读下面的短文，回答问题 [When an IP packet arrives at a router, generally the router looks at the destination address of the packet, and forwards the packet to one of its network interfaces. The forwarding decision is usually done by looking up the destination address from another data structure called a forwarding table. The forwarding table is created by the router using the routing table and possible routing policies existing in the router. The router then creates a table where it lists which networks are accessible through which of the router’s network interfaces. An IP router looks at every IP packet individually and does the forwarding decision on a packet-by-packet basis. If something changes in the router’s routing table, a packet can take a different route from a preceding packet even if it has the same destination.] From the paragraph above，we can see that the router （ ） a forwarding table according to the routing table and possible routing policies existing in the router. When an IP packet arrives at a router, the （ ） part of packet is normally checked by the router. An IP router checks every IP Packet individually and makes the forwarding decision based on （ ）.
A. is generating
B. generate
C. is generated
D. generates A．forwarding table
E. network interfaces
F. routing policies
G. destination address A．the destination address and network interfaces
H. forwarding table and network interfaces
I. the destination address and forward table
J. routing policies and routing table
[多选题]CDMA移动用户在同基站同载频的不同扇区间发生切换时，通过（）进行处理。
A. MS
B.
C. OM
D.
E. BTS
F. P
G. C
H. F
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