简答题 DHCP的防止欺骗的机制是什么？

单项选择题WhichofthefollowingistheencryptionalgorithmusedforprivoptionwhenusingSNMPv3？（）

A.HMAC-SHA
B.HMAC-MD5
C.CBC-DES
D.AES
E.3DES

问答题描述一下multicastForward-protocol。

单项选择题Refer to the exhibit. Based on the configuration shown, which queuing mechanism has been configured on interface serial 1 0?（）

A.PQ
B.CQ
C.WFQ
D.LLQ
E.CBWFQ

单项选择题WhenrunningIPSLA，whichapplicationtypeshouldbeusedifyouwanttoknowround-tripdelay，jitter，andpacketlossforthefullpath？（）

A.ICMP path echo
B.UDP echo
C.ICMP path jitter
D.Application Performance Monitor
E.TCP connect

问答题什么是静态NAT？