单项选择题 Router R1 uses S0/0 to connect via a T/1 to the Frame Relay servicE. Five PVCs terminate on the serial link. Three PVCs (101, 102, and 103) are configured on subinterface S0/0.1, and one each (104 and 105) are on S0/0 .2 and S0/0.3. The configuration shows no configuration related to EIGRP WAN bandwidth control, and the bandwidth command is not configured at all. Which of the following is true about how IOS tries to limit EIGRPs use of bandwidth on S0/0?（）

多项选择题 Which of the following are both advertised by EIGRP in the Update message and included in the formula for calculating the integer EIGRP metric?（）

多项选择题 Which of the following are methods EIGRP uses to initially populate (seed) its EIGRP topology table, before learning topology data from neighbors？（）