46．那一層協定讓傳送端負責將資料分裝在不同封包，並標上編號，接收端以編號來回復資料的原貌？ (A)表現層 (B)會議層 (C)傳送層 (D)網路層

49．有一C程式片段(如下圖)能夠執行，下列空白處填入何程式碼會產生錯誤？ (A)int data[3][3] = { {11 , 12 , 13}, {21, 22, 23}, {31, 32, 33} }; (B)int data[3][3] = { 11 , 12 , 13, 21, 22, 23, 31, 32, 33 }; (C)int data[ ][3] = { {11 , 12 , 13}, {21, 22, 23}, {31, 32, 33} }; (D)int data[3][ ] = { {11 , 12 , 13}, {21, 22, 23}, {31, 32, 33} };