[单选题]（75）refers to the process of testing and then eliminating errors.
A.Debugging
B.Programming
C.Analysis
D.Maintenance

[单选题]Unit testing refers to that each ( ) is tested to ensure that it operates correctly.
A.subsystem
B.device
C.application
D.module

[单选题]Unit testing refers to that each ( ) is tested to ensure that it operates correctly.
A.subsystem
B.device
C.application
D.module

[单选题]Stakeholder management refers to managing communications to satisfy needs of, and resolve issues with, project stakeholders. The （ ） is useful responsible for stakeholder management.
A.PMO
B.CIO
C.CCB
D.PM

[单选题]The（)process differs from the（)process in that the former is primarily concerned with acceptance of the deliverables,while the latter is primarily concerned with acceptance of the deliverables,while the latter is primarily concerned with correctness of the deliverables.
A.perform Quality Assurance
B.Validate Scope
C.Control Quality
D.Define Scope

[单选题]Which of the following refers to the study of meaning in abstraction?
A.Phonetics
B.Pragmatics
C.Semantics
D.Sociolinguistics

[单选题]The （ ） refers to the integration of complex physical machinery with networked sensors and software. It draws together fields such as machine learning, big data, the Internet of things and machine-to-machine communication to ingest data form machines, analyze it （often in real-time）, and use it to adjust operations.
A.Industrial internet
B.factory internert
C.Industrial web
D.business

[单选题]（ ）refers to the application of the internet and other information technology inconventional industries .It is an incomplete equation where various internet(mobile internet,cloud computing,big data or internet of things) can be added to other fileds, fostering new industries and business development. A. internet plus
A.industry 4.0
B.big data
C.clou
D.computing

[单选题]Typically，an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks.Sunch addresses are referred to as multicast addresses，and the act of sending a packet from a source to the members of a （71）group is referred to as multicasting. Multicasting done （72） the scope of a single LAN segment is straight forward. IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN segment.Those stations that are members of the （73）multicast group recognize the multicast address and （本题）the packet.In this case,only a single copy of the packet is ever transmitted.This technique works because of the （75）nature of a LAN:A transmission from any one station is received by all other stations on the LAN.
A.reject
B.accept
C.discard
D.transmit

[单选题]Typically, an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks. Such addresses are referred to as multicast addresses, and the act of sending a packet from a source to the members of a （1）group is referred to as multicasting. Multicasting done （2）the scope of a single LAN segment is straightforward. IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN Segment. Those stations that are members of the （3）multicast group recognize the multicast address and （4）the packet. In this case, only a single copy of the packet is ever transmitted. This technique works because of the （5）nature of a LAN: A transmission from any one station is received by all other station on the LAN. 空白（2）应选（ ）。
A.Within
B.out of
C.beyond
D.cover