單項選擇題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.

A.Windows 
B.Linux 
C.Unix 
D.DOS


最新試題

在網(wǎng)絡(luò)運行中,發(fā)現(xiàn)設(shè)備CPU長時間占用過高,經(jīng)檢查發(fā)現(xiàn)下圖中的"Number of topology changes"值頻繁變化,可初步判斷該故障由()導(dǎo)致,可能的原因是()。

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題型:單項選擇題

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題型:單項選擇題

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題型:單項選擇題

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題型:單項選擇題

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假定用戶A、B分別在I1和I2兩個CA處取得了各自的證書,下面()是A、B互信的必要條件。

題型:單項選擇題

在以太網(wǎng)中發(fā)生沖突時采用退避機(jī)制,()優(yōu)先傳輸數(shù)據(jù)。

題型:單項選擇題