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单选题
Computer systems consist of two very different types of elements：Hardware，which includes all the physical things that can be touched and（），which tells thehardware how to do.
A
Software
B
Courseware
C
Operatingsystem
D
I/Odevices
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Software products may be (1)into four basic types: application programs, programming language processors, operating systems, and system utilities.Application programs are programs that (2) useful tasks such as solving statistical problems, or keeping your company's books.Programming language processors are programs that (3) the use if a computer language in a computer system. They are tools for the development of application programs.Operation systems are programs that (4) the system resources and enable you to run application programs.System utilities are special programs that (5) the usefulness of or add capabilities to a computer.A．manageB．performC．supportD．reduceE．divided
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OSI is a theoretical model that shows how any two different systems can communicate with each other. Router, as a networking device, operate at the ______ layer of the OSI model.A．transportB．applicationC．networkD．physical
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Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?()
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Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）A、ISDNB、Frame RelayC、ATMD、FDDI
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Which two statements are true regarding a tablespace（）A、It can span multiple databases.B、It can consist of multiple data files.C、It can contain blocks of different sizes.D、It can contain segments of different sizes.E、It can contain a part of a nonpartitioned segment.
考题
What are the two different types of database duplication？（）A、 ActiveB、 PassiveC、 OnlineD、 Backup-basedE、 Failure driven
考题
单选题customer wants to network several computers within a large warehouse. The warehouse has one computer at the very far end of the warehouse that is 170 meters (557 feet) from the network switch. Which of the following cable types should a technician use for this computer?（）A
CAT3B
CAT5C
CAT6D
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考题
单选题（） play a very important part in hydraulic systems by preventing interaction between different parts of the hydraulic circuit.A
MotorsB
Check valvesC
Safety valvesD
Reducing valve
考题
多选题What are the two advantages of any intelligent network that uses a systems-level approach？（）AimproveQosBreduced costs for all types of usersCpacket inspection at wire speedDreduced complexity
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单选题Hyperthreading technology:（）A
only works on computer systems with multiple core CPUs.B
enables a processor to work with two independent computer instructions at once.C
enables two independent processors to work on the same task, simultaneously.D
allows a computer program to work on multiple tasks simultaneously.
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多选题What are the two benefits of any intelligent network that uses a systems-level approach to integrate applications and services across an infrastructure？（）Areduce complexityBreduced costs for all types of usersCpacket inspection at wire speedDQoS to the desktopELAN encryption services
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多选题Which two statements are true regarding a tablespace（）AIt can span multiple databases.BIt can consist of multiple data files.CIt can contain blocks of different sizes.DIt can contain segments of different sizes.EIt can contain a part of a nonpartitioned segment.
考题
单选题The author of The Portrait of a Lady is best at _____.A
probing into the unsearched secret part of human lifeB
a truthful delineation of the motives, the impulses, the principles that shape the lives of actual men and womenC
dramatizing the collisions between two very different cultural systems on an international sceneD
disclosing the social injustices and evils of a civilized society after the Civil War
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