假设一个有3个盘片的硬盘，共有4个记录面，盘面有效记录区域的外直径为30cm，内直径为10cm，记录位密度为250位/mm，磁道密度为8道/mm，每磁道分16个扇区，每扇区 512字节，则该硬盘的非格式化容量和格式化容量约为(35)。
- A．120MB 和100MB
- B．30MB 和25MB
- C．60MB 和50MB
- D．22.5MB 和25MB
-
(64)
- A．plane
- B．plant
- C．plate
- D．platform
-
(63)
- A．Web browser's
- B．terminal's
- C．emulator's
- D．network's
-
(62)
- A．direct
- B．navigate
- C．indicate
- D．go-on
-
(61)
- A．displaying
- B．illustrating
- C．drawing
- D．writing
-
(59)
- A．Optical fiber
- B．Coaxial cable
- C．Shielded Twisted-pair Cable
- D．Unshielded Twisted-pair Cable
-
In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.
- A Web browser is simply a terminal emulator, designed to display text on a screen. The two essential differences between an ordinary terminal emulator and a Web browser are that the browser knows how to deal with(71), and that it has a mechanism for(72)gr
- A．superlinks
- B．links
- C．hyperlinks
- D．connections
-
(57)
- A．PPP
- B．PAP
- C．CHAP
- D．LCAP
-
(58)
- A．VLAN
- B．LANE
- C．VPN
- D．IPOA
-
(56)
- A．AAT
- B．NCP
- C．DNS
- D．DDN
-
In(66)the strength of the carrier signal is varied to represent binary 1 or 0.(67)is a system that can map a name to an address and conversely an address to an name.(68)is a three -way handshaking authentication protocol that it's packets are encapsulated in the point - to -point protocol.(69)is an approach that enables an ATM Switch to behave like a LAN switch.(70)is an guided media which is made of glass or plastic and transmits signals in the form. of light.
- A．FDM
- B．DSK
- C．FCK
- D．ASK
高级经济师考试试题精选练习（1）
高级经济师考试模拟练习题之单选题（1
高级经济师考试试题精选练习（2）
高级经济师考试试题精选练习（3）
高级经济师考试试题：经济法案例试题精
高级经济师考试模拟试题及答案
高级经济师考试试题及答案：单选练习题
高级经济师考试试题：经济法案例试题精
高级经济师考试模拟题及答案练习(1)
高级经济师考试模拟题及答案练习(2)