CCIE系列認證CCIE SP單項選擇題每日一練(2019.04.21)

來源：考試資料網(wǎng)

1 What is jitter？（）

2 What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations？（）

3 Which statement about Frame Relay is not true？（）

4 Which of the following statements is correct regarding PIM Sparse Mode operations？（）

5 What does the protocol field inside the PPP frame indicate？（）