单项选择题
A.RSVP is a required configuration to support conference calls without voice packet loss.
B.The QoS configuration on the 831 router must always provision sufficient bandwidth for two RTP streams.
C.Call admission control is an issue only when using hardware DSP resources.
D.When using the conference call features on a 7960 IP phone, only one RTP stream is present regardless of how many extensions are on the conference.
单项选择题 Refer to the exhibit. Given this deployment model, what capability must the Broadband Router provide for the Enterprise applications to function properly?（）
单项选择题 AcustomerwantstoTFTPanewimagefromthecorporatenetworktoFlashontheTeleworkerrouterthroughtheIPSectunnel.HowshouldyouconfiguretheTeleworkerrouter?（）
多项选择题 Refer to the exhibit. Given this DSL routers sub-interface configuration, select the two true statements. Assume the interface is UP/UP.（）