CCDP系列認(rèn)證CCDP(642-873)單項(xiàng)選擇題每日一練(2019.01.22)

來源：考試資料網(wǎng)

1 For acceptable voice calls， the packet error rate should be no higher than what value？（）

2 In base e-Commerce module designs， where should firewall perimeters be placed？（）

3 When dealing with transparent caching, where should the Content Engines be placed?（）

4 Which routing protocol supports a flexible area structure using routing levels one and two?（）

5 What is a criteria of the enterprise composite network model?（）