多项选择题
A.It supports fast synchronization at starting and before network failures
B.It supports automatic server discovery
C.It uses a fixed-point arithmetion
D.It supports the "nanokernel" kernel implementation
E.It does not support Public-Key Cryptography
多项选择题 Process-levelredundancyisimplementedbyasystemmanagerprocessthatcreatesthestandbyprocess.Whattwofunctionsareprovidedbythesystem-levelprocesscalledQnetSymlinkManager（QSM）？（）
单项选择题 InPIM-SMoperations，towhichdevicedoesthefirstrouterthatconnectswiththemulticastsourcesendtheregistermessage？（）
单项选择题 WhatarethedefaultvaluesforGREtunnelkeeplivetimeandnumberofretries？（）