CCNA系列認(rèn)證CCNA(640-801)多項選擇題每日一練(2019.05.02)

來源：考試資料網(wǎng)

1 Which of the following are true statements regarding the characteristics of OSPF areas? Select all that apply.（）

2 Which of the following protocols utilize UDP as the layer 4 transport mechanism?（）

3 Which of the following statements regarding routed and routing protocols are true?（）

4 Which of the following are true regarding a network using a subnet mask of 255.255.248.0?（）

5 Which connections allow the use of full-duplex Ethernet?（）