软件质量包含多方面的内容，(7)、(8)、可移植性和可复用性等是较为重要的质量特性。在软件开发中，必须采取有力的措施，以确保软件的质量，这些措施至少应包括(9)、(10)和(11)。
-
(76)
- A．period
- B．days
- C．epoch
- D．phase
-
(74)
- A．scarcity
- B．lack
- C．deficiency
- D．shortage
-
(75)
- A．restrict
- B．limited
- C．imprison
- D．confine
-
Ipv6 is(71)for "Internet Protocol Version 6"。Ipv6 is the "next generation" protocol design by the IETF to(72)the current version Inernet Protocol, IP Version 4. Most of today's internet uses Ipv4, which is now nearly twenty years old. Ipv4 has been remarkably resilient in spite of its age, but it is beginging to have problems. Most importantly, there is a growing(73)of Ipv4 addresses, which are needed by all new machines added to the Internet. Ipv6 fixs a number of problems in Ipv4, shch as the(74)number of available Ipv4 addresses. It also adds many improvements to Ipv4 in areas such as souting and network autoconfiguration. Ipv6 is expected to gradually replace Ipv4, with the two coexing for a number of years during a transition(75)A.
- A．short
- B．abbreviate
- C．abbreviation
- D．initial
-
(73)
- A．substitution
- B．replace
- C．switchover
- D．swap
-
(71)
- A．FTP
- B．UDP
- C．IP
- D．HTTP
-
(69)
- A．Email address and IP address
- B．MAC address and port address
- C．MAC address and IP address
- D．port number and IP address
-
(70)
- A．full-duplex
- B．half-duplex
- C．simplex
- D．complex
-
In the following essay, each blank has four choices. Choose the most suitable one from the four choices and write down in the answer sheet.
- A(66)is basically an end point of a communication link between two applications. Sockets that extend over a network connect two or more applications running on separate computers at tached to the network. A socket(67)two addresses:(68). Sockets provide a(
- A．program
- B．UDP
- C．socket
- D．TCP
-
(68)
- A．is made of
- B．composed of
- C．is composed of
- D．is consisted of
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