多项选择题
A.GRE can use transport mode and save up to twenty bytes per packet.
B.The corporate network includes many discontinuous blocks of IP networks and requires split tunneling.
C.The corporation's primary application is based on IP multicast.
D.Without GRE, there is no means to detect a head-end failure.
E.GRE would enable path MTU discovery.
单项选择题 WhichintegratedsecurityfeatureisnotprovidedbytheCiscoBusinessReadyTeleworkersolution?（）
单项选择题 Refer to the exhibit. Which of the following statements is a reason the DHCP server is enabled on the Teleworker home router?（）
单项选择题 Duetolimitationsaffectingvoicequality,whichofthebroadbandspeedsshownispreferredinordertoachievehighestvoicequalityonaconvergeddataandvoiceteleworkerconnection?（）