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To reduce their design complexity, most networks are organized as a stack of(72), each one built upon the one below it.
A．blocks
B．modules
C．pieces
D．layers
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更多 “ To reduce their design complexity, most networks are organized as a stack of(72), each one built upon the one below it.A．blocksB．modulesC．piecesD．layers ” 相关考题
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" in conversation, you _____________ your message to your audience."
A. tellB.informC. organizeD. tailor
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Which order of steps is followed in carrying out the project?A. Assessment－Prototype－Design－Construction.B. Assessment－Design－Prototype－Construction.C. Design－Assessment－Prototype－Construction.D. Design－Prototype－Assessment－Construction.
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A passenger plane is able to carry a fixed weight, including passengers and fuel.Which wing design would be best for such a plane?A.Design 1B.Design 2C.Design 3D.Design 4
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The stages within the development phase of the software life cycle are ( 71 ).A.design, analysis, implementation, and testingB.analysis, design, implementation, and testingC.analysis, design, testing, and implementationD.design, analysis, testing, and implementation
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Refer to the exhibit. Which two statements about the topologies shown are correct?()
A. Design 1 is a looped triangle design.B. Design 2 is a looped triangle design.C. Design 2 achieves quick convergence using RSTP.D. Both designs supportstateful services at the aggregation layer.E. Design 2 is the most widely deployed in enterprise data centers.
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Reading authentic writings is one of the best ways to __________our English vocabulary.
A．spread
B．extend
C．organize
D．enrich
考题
Without proper safeguards,every part of a network is vulnerable to a security breach or unauthorized activity from（71）,competitors,or even employees.Many of the organizations that manage their own（72）network security and use the Internet for more than just sending/receiving e-mails experience a network（73）—and more than half of these companies do not even know they were attacked.Smaller（74）are often complacent,having gained a false sense of security.They usually react to the last virus or the most recent defacing of their website.But they are trapped in a situation where they do not have the necessary time and（75）to spend on security.
A.users
B.campuses
C.companies
D.networks
考题
Teams are required for most engineering projects. Although some small hardware or software products can be developed by individuals, the scale and complexity of modem systems is such, and the demand for short schedules so great, that it is no longer ___71___ for one person to do most engineering jobs. Systems development is a team ___72___, and the effectiveness of the team largely determines the ___73___ of the engineering.
Development teams often behave much like baseball or basketball teams. Even though they may have multiple specialties, all the members work toward ___74___. However, on systems maintenance and enhancement teams, the engineers often work relatively independently, much like wrestling and track teams.A team is ___75__ just a group of people who happen to work together. Teamwork takes practice and it involves special skills. Teams require common processes; they need agreed-upon goals; and they need effective guidance and leadership. The methods for guiding and leading such teams are well known,but they are not obvious.
A.size
B.quality
C.scale
D.complexity
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