判斷題Nginx負(fù)載均衡的優(yōu)點(diǎn)是工作在網(wǎng)絡(luò)的7層之上,可以針對(duì)http應(yīng)用做一些分流的策略,比如針對(duì)域名、目錄結(jié)構(gòu),它的正則規(guī)則比HAProxy更為強(qiáng)大和靈活,這也是它目前廣泛流行的主要原因之一。

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4.單項(xiàng)選擇題有關(guān)keepalived說(shuō)法不正確的是()

A.keepalived是保持存活的意思
B.keepalived在網(wǎng)絡(luò)里面就是保持在線了,也就是所謂的高可用或熱備
C.keepalived不是用來(lái)防止單點(diǎn)故障的
D.Keepalived就是巧用VRRP協(xié)議來(lái)實(shí)現(xiàn)高可用性(HA)的

5.單項(xiàng)選擇題yum安裝keepalived后,主配置文件在()

A./etc/keepalived/keepalived.conf
B./etc/keepalived.conf
C./usr/local/etc/keepalived.conf
D./usr/local/keepalived/etc/keepalived.conf