單項(xiàng)選擇題請(qǐng)選出不屬于NetMeeting所能實(shí)現(xiàn)的功能的選項(xiàng):()。
A.共享應(yīng)用程序
B.收發(fā)信件
C.電視會(huì)議
D.處理文檔
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1.單項(xiàng)選擇題請(qǐng)把默認(rèn)掩碼是255.255.255.0的五個(gè)C類網(wǎng):210.1.170.0,210.1.171.0,210.1.172.0,210.1.173.0,210.1.174.0,集成到一個(gè)網(wǎng)中,它們的掩碼是多少?()
A.255.255.240.0
B.255.255.255.240
C.255.255.255.224
D.255.255.248.0
2.單項(xiàng)選擇題請(qǐng)把“202.109.203.17”轉(zhuǎn)換為二進(jìn)制是多少?()
A.00111101.10000111.10010110.01010001
B.11000001.10100011.10010000.00000101
C.11001010.01101101.11001011.00010001
D.10000001.00000011.10010000.00000100
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