超星 - 构建一个简单的网络-测验

单选题

哪种类型的网络电缆包含多根铜线，并使用额外的屏蔽来防止干扰？Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference?

A. STP
B. 光纤fiber-optic
C. UTP
D. coax

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单选题

电视公司使用哪种类型的数据电缆来传运数据和视频信号？Which type of data cable is used by television companies to carry data and video signals?

A. 非屏蔽双绞线unshielded twisted-pair
B. 同轴线coaxial
C. 光纤fiber-optic
D. 屏蔽双绞线shielded twisted-pair

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单选题

哪个术语描述了当一根电缆的电脉冲穿过相邻电缆时的干扰？Which term describes the interference when electrical impulses from one cable cross over to an adjacent cable?

A. 交叉干扰crossover
B. 串扰crosstalk
C. 串通collision
D. 射频干扰RFI

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单选题

一群新聘用的入门级网络工程师正在谈论他们作为一个团队必须安装的网络布线。以太网直通 UTP 电缆的特征是什么？A group of newly hired entry-level network engineers are talking about the network cabling they are going to have to install as a team. What is a characteristic of Ethernet straight-through UTP cable?

A. 它只能在电缆的两端使用 T568A 标准It can only use the T568A standard at both ends of the cable.
B. 它可用于连接两个网络主机It can be used to connect two network hosts.
C. 它是思科专有的。It is Cisco proprietary.
D. 它容易受到来自 EMI 和 RFI 的干扰。It is susceptible to interferences from EMI and RFI.

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单选题

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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单选题

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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单选题

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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单选题

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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单选题

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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单选题

网络管理员希望确定数据包到达目的地所需的路径 192.168.1.1。确定网络路径的最佳命令是什么？A network administrator would like to determine the path a packet takes to reach the destination 192.168.1.1. What is the best command to determine the network path?

A. ipconfig 192.168.1.1
B. ping 192.168.1.1
C. tracert 192.168.1.1
D. ping 127.0.0.1

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哪种类型的网络电缆包含多根铜线，并使用额外的屏蔽来防止干扰？Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference?

电视公司使用哪种类型的数据电缆来传运数据和视频信号？Which type of data cable is used by television companies to carry data and video signals?

哪个术语描述了当一根电缆的电脉冲穿过相邻电缆时的干扰？Which term describes the interference when electrical impulses from one cable cross over to an adjacent cable?

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?

网络管理员希望确定数据包到达目的地所需的路径 192.168.1.1。 确定网络路径的最佳命令是什么？A network administrator would like to determine the path a packet takes to reach the destination 192.168.1.1. What is the best command to determine the network path?

网络管理员希望确定数据包到达目的地所需的路径 192.168.1.1。确定网络路径的最佳命令是什么？A network administrator would like to determine the path a packet takes to reach the destination 192.168.1.1. What is the best command to determine the network path?