下列叙述中错误的是(30)。
- A．数字签名可以保证信息在传输过程中的完整性
- B．数字签名可以保证数据在传输过程中的安全性
- C．数字签名可以对发送者的身份进行认证
- D．数字签名可以防止交易中的抵赖法则
-
(82)
- A．see
- B．visiting
- C．call
- D．access
-
(83)
- A．immediacy
- B．indirectly
- C．direct
- D．directly
-
(81)
- A．communicate
- B．communications
- C．correspond
- D．correspondence
-
When you are(71)a home or small office network, it is recommended that you use the Network Setup Wizard in Windows XP Home Edition to enable Internet Connection Sharing. The Network Setup Wizard automatically provides all of the network settings you need to(72)one Internet connection with all the computers in your network.
- After ICS is enabled, and you make sure that all of your computers can(73)with each other and they have Internet(74), you can use programs such as Internet Explorer and Outlook Express as if they were(75)connected to the Internet service provider(ISP). Wh
- A．creating
- B．reach
- C．going for
- D．setting up
-
(80)
- A．communion
- B．share
- C．partake
- D．pool
-
(78)
- A．Coaxial cable
- B．Optical fiber
- C．Unshielded Twisted-pair Cable
- D．Shielded Twisted-pair Cable
-
(76)
- A．PPP
- B．PAP
- C．CHAP
- D．LCP
-
(77)
- A．VLAN
- B．LANE
- C．VPN
- D．IPOA
-
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 al 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．ASK
- B．PSK
- C．FSK
- D．FDM
-
(75)
- A．NAT
- B．NCP
- C．DDN
- D．DNS
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