單項(xiàng)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

在以太網(wǎng)中出于對()的考慮,需設(shè)置數(shù)據(jù)幀的最小幀。

題型:單項(xiàng)選擇題

假設(shè)某單位有1000臺(tái)主機(jī),則至少需分配()個(gè)C類網(wǎng)絡(luò),若分配的超網(wǎng)號(hào)為202.25.64.0,則地址掩碼是()

題型:填空題

下面關(guān)于Linux目錄的描述中,正確的是()。

題型:單項(xiàng)選擇題

三重DES加密使用()個(gè)密鑰對明文進(jìn)行3次加密,其密鑰長度為()位。

題型:填空題

OSPF協(xié)議把網(wǎng)絡(luò)劃分成4種區(qū)域(Area),其中()不接受本地自治系統(tǒng)以外的路由信息,對自治系統(tǒng)以外的目標(biāo)采用默認(rèn)路由0.0.0.0。

題型:單項(xiàng)選擇題

下面括號(hào)中依次應(yīng)填入什么:

題型:填空題

SHA-l是一種將不同長度的輸入信息轉(zhuǎn)換成()位固定長度摘要的算法。

題型:單項(xiàng)選擇題

PGP是一種用于電子郵件加密的工具,可提供數(shù)據(jù)加密和數(shù)字簽名服務(wù),使用()進(jìn)行數(shù)據(jù)加密,使用()進(jìn)行數(shù)據(jù)完整性驗(yàn)證。

題型:填空題

在Linux中,通常使用()命令刪除一個(gè)文件或目錄。

題型:單項(xiàng)選擇題

DHCP服務(wù)器給PCl分配IP地址時(shí)默認(rèn)網(wǎng)關(guān)地址是202.117.110.65/27,則PCl的地址可能是()

題型:單項(xiàng)選擇題