判斷題Nginx/LVS/HAProxy是目前使用最廣泛的三種負(fù)載均衡軟件。

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2.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

3.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

5.單項(xiàng)選擇題為real_server配置權(quán)重值,可以在哪個(gè)參數(shù)后面配置()

A.weight
B.url
C.protocol
D.nat_mask