题目内容

已聘请一位网络专家在一家组装飞机发动机的公司安装网络。由于业务的性质，该地区受到电磁干扰的影响很大。应推荐哪种类型的网络媒体，以便数据通信不会受到 EMI 的影响？A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?

A. STP
B. 纤维光学fiber optic
C. UTP
D. 同轴电缆coaxial

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骨干网络和电话公司常用哪种类型的网络电缆？Which type of network cable is commonly used in backbone networks and telephone companies?

A. 双绞线电缆twisted-pair cable
B. 屏蔽的双绞线电缆shielded twisted-pair cable
C. 光纤电缆fiber-optic cable
D. 同轴电缆coaxial cable

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应使用哪种类型的以太网电缆直接连接两个设备，这两个设备都使用相同的引脚来传输和接收数据？Which type of Ethernet cable should be used to directly connect two devices that both use the same pins for transmitting and receiving data?

A. 同轴电缆coaxial cable
B. 光纤电缆fiber-optic cable
C. 交叉双绞线电缆crossover twisted-pair cable
D. 直通双绞线电缆straight-through twisted-pair cable

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哪个命令可用于验证两个主机设备之间的连接？Which command can be used to verify connectivity between two host devices?

A. 平 ping
B. 内特斯塔特 netstat
C. 一普康菲格 ipconfig
D. nslookup

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IP 地址的目的是什么？What is a purpose of an IP address?

A. 它识别数据包的来源和目的地 It identifies the source and destination of data packets.
B. 它识别回复电子邮件的回邮地址 It identifies a return address for replying to email messages.
C. 它识别程序运行的内存中的位置 It identifies a location in memory from which a program runs.
D. 它识别数据中心的物理位置。 It identifies the physical location of a data center.

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A. STP B. 纤维光学fiber optic C. UTP D. 同轴电缆coaxial

骨干网络和电话公司常用哪种类型的网络电缆？Which type of network cable is commonly used in backbone networks and telephone companies?

应使用哪种类型的以太网电缆直接连接两个设备，这两个设备都使用相同的引脚来传输和接收数据？Which type of Ethernet cable should be used to directly connect two devices that both use the same pins for transmitting and receiving data?

哪个命令可用于验证两个主机设备之间的连接？Which command can be used to verify connectivity between two host devices?

IP 地址的目的是什么？What is a purpose of an IP address?

A. STP
B. 纤维光学fiber optic
C. UTP
D. 同轴电缆coaxial