单项选择题

Before a project schedule can be created,the schedule maker should have a（）,an effort estimate for each task,and a resource list with availability for each resource

A.work breakdown structure
B.baseline
C.software requirements specification
D.plan

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单项选择题

When multiple routers are used in interconnected networks,the routers exchange information about（）using a dynamic routing protocol

A.destination addresses
B.IP addresses
C.work addresses
D.router addresses

单项选择题

wireless LAN,also widely known as WLAN or WIFI,is probably the most well-known member of the IEEE802 protocol family for home users today.It is standardized by（）and shares many properties with wired Ethernet

A.IEEE 802.1
B.IEEE 802.3
C.IEEE 802.5
D.IEEE 802.11

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