Donation Proposal
Dongxiang Autonomous County is located in a poverty-stricken remote mountainous area in central Gansu Province. The county has a population of 266,900, of whom 83.97 percent are of Dongxiang ethnic community. Harsh natural conditions and drought have left the Dongxiang people living at the mercy of the heavens. For many school-age children, going to school is but a distant dream. School facilities are very backward. About 40 percent of primary schools are in a shabby condition and need to be reconstructed. There is neither modern education equipment and installations, nor is there any newly established school-run or village-run education centre. Therefore, your’ earing and selfless support is needed. The donation will be strictly used for building a Hope School in the area. According to local situation, about 200,000 yuan can help enlarge and furnish a school and about 300,000 yuan can help build a new one.
The names of donors whose
BGP is an inter-autonomous system routing protocol; it is designed to be used between multiple autonomous ( ) . BGP assumes that routing within an autonomous system is done by an intra-autonomous system routing protocol.BGP does not make any assumptions about intra-autonomous system （） protocols employed by the various autonomous systems. Specifically， BGP does not require all autonomous systems to run the same intra-autonomous system routing protocol.
BGP is a real inter-autonomous system routing protocol. It imposes no constraints on the underlying Internet topology. The information exchanged via BGP is sufficient to construct a graph of autonomous systems connectivity from which routing loops may be pruned and some routing ( ) decisions at the autonomous system level may be enforced.
The key feature of the protocol is the notion of Path Attributes. This feature provides BGP with flexibility and expandability. Path （） are partitioned into well-known and optional
A. routing
B. switching
C. transmitting
D. receiving
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