CCIE系列認(rèn)證CCIE SP多項(xiàng)選擇題每日一練(2019.04.28)

來(lái)源：考試資料網(wǎng)

1 Which three statements about bidirectional PIM are true？（）

2 In which two ways does the BGP graceful capability preserve prefix information during a restart？（）

3 In Multicast VPN （MVPN） implementations， which two of the following statements are regarding the DefaultMDT Group？（）

4 Which three components are included in the Cisco IOS XR infrastructure？（）

5 Which 4 statements regarding MPLS Label Stack Encoding is true？（）