單項選擇題

A technician at a company providing online, real-time media streaming to the Internet needs a network technology that will reduce bandwidth while delivering high throughput.
Which of the following can the technician implement to fit these requirements?（）

A.Subnetting
B.Unicast
C.Broadcast
D.Multicast

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單項選擇題

A computer is able to ping other devices on the same network but is unable to ping devices onanother network. Which of the following needs to be configured?（）

A. DNS primary server
B. Host route
C. Proxy ARP
D. Default gateway

單項選擇題

Two autonomous networks who wish to exchange routing data should use which of the following protocols?（）

A.OSPF
B.BGP
C.EIGRP
D.IS-IS