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

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(duì)自治系統(tǒng)以外的目標(biāo)采用默認(rèn)路由0.0.0.0。

題型:?jiǎn)雾?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

以下加密算法中,適合對(duì)大量的胡文消息進(jìn)行加密傳輸?shù)氖牵ǎ?/p>

題型:?jiǎn)雾?xiàng)選擇題

在中國(guó)區(qū)域內(nèi),2.4GHz無(wú)線頻段分為()個(gè)信道。

題型:?jiǎn)雾?xiàng)選擇題

在網(wǎng)絡(luò)101.113.10.0/29中,能接收到目的地址是101.113.10.7的報(bào)文的主機(jī)數(shù)最多有()個(gè)。

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

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

題型:?jiǎn)雾?xiàng)選擇題

某客戶機(jī)請(qǐng)求Web站點(diǎn)服務(wù)的以太網(wǎng)數(shù)據(jù)幀(前160字節(jié))如下圖所示,則客戶機(jī)默認(rèn)網(wǎng)關(guān)的物理地址為()。客戶機(jī)在查找默認(rèn)網(wǎng)關(guān)的物理地址時(shí)使用的協(xié)議是(),發(fā)出的數(shù)據(jù)幀中目的MAC地址為()。

題型:填空題

在Linux中,創(chuàng)建權(quán)限設(shè)置為-rw-rw-r--的普通文件,下面的說(shuō)法中正確的是()。

題型:?jiǎn)雾?xiàng)選擇題