云南住院醫(yī)師兒科兒科基礎(chǔ)與保健單項(xiàng)選擇題每日一練(2016.08.06)

來源：考試資料網(wǎng)

1 The de facto standard Application Program Interface (API) for TCP/IP applications is the “sockets” interface. Although this API was developed for （71） in the early 1960s it has also been implemented on a wide variety of no-Unix systems. TCP/IP （72） Written using the sockets API have in the past enjoyed a high degree of portability and we would like the same （73） with IPv6 applications. But changes are required to the sockets API to support IPv6 and this memo describes these changes. These include a new socket address structure to carry IPv6 （74） ,new address conversion functions, and some new socket options. These extensions are designed to provide access to the basic IPv6 features requited by TCP and UDP applications, including multicasting, while introducing a minimums of change into the system and providing complete （75） for existing IPv4 applications.

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2 WWW是（）的意思。

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3 SQL的功能包括（）

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4 某單位架設(shè)了域名服務(wù)器來進(jìn)行本地域名解析，在客戶機(jī)上運(yùn)行nslookup查詢某服務(wù)器名稱時(shí)能解析出IP地址，查詢IP地址時(shí)卻不能解析出服務(wù)器名稱，解決這一問題的方法是（）。

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5 共享介質(zhì)局域網(wǎng)是基于（）技術(shù)。

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