单项选择题
Which protocol supports LDP sessions?（）
A. SIP (port 626) B. TCP (port 646) C. UDP (port 606) D. IP (protocol code LDP)
单项选择题 Which JUNOS software feature allows LSPs to be advertised in an IGP?（）
单项选择题 Which JUNOS software command establishes a connection to a RADIUS server with an IP addressof 10.100.200.1?（）
多项选择题 Which two steps are required for a Kompella Layer 2 VPN?（）
