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Software defined networking(SDN) is a telecommunications network （ ） that provides the promise of significant improvements in the network （ ）.
A．solution B．structere C．scheme D．architecture A．throughput B．data rate C．loss D．performance
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As a result of these advantages, optical fiber communication systems are widely employed for applications （96）major telecommunications backbone （97） to Ethernet systems, broadband distribution, and general data networking.A. including 包含 B. ranging from从。。。排列 C. consisting of由。。。组成 D. composing of 构成 A. structure 结构，体系 B. networking 网络化 C. infrastructure基础建设基础设施 D. connection 连接
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阅读以下短文，回答98-100题。 【IPv6 is not interoperable with IPv4，In essence.it establishes a parallel version of the Internet not directly accessible with IPv4 sofeware.This means softwate upgrades or translator facilities are necessary for networking devices that need to communicate on both networks.Most modern computer operating systems already support both versions of the Internet Protocal.Network infrastrutures，however，are still lagging in this development.Aside form the complex array of physical connections that make up its infrastrure，the Internet is facilitated by bi- or multi-lateral commercial contracts(e.g. pearing agreements)，and by technical spesifications or protocals that describe how to exchange data over the network.Indeed，the Internet is defined by its interconnections and routing policies.】 Based on the paragraph above， it is shown that in order to deploy IPv6 protocol on the Internet，（）has to be built. The network devices which need to communicate with both networks are required to have upgraded software or （）in the movement of IPv4 to IPv6 transition，（）are relatively slow in this event.A．separated network B．mobile network C．access network D．radio networkA．IPv6 software B．translator facilities C．operating systems D．IPv4 softwareA．IPv4 network B．translator facilities C．operating systems D．network infrastructures
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Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?()
A.Advanced call-handling software, such as Cisco UnityB.Call-management hardware and software, such as CiscoCallManagerC.Client-based software, such as CiscoSoftPhoneD.Voice gateways, such as the Cisco VG248 Analog Phone Gateway
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在通信系统中，SDN 是网络虚拟化的一种实现方式，其英文全称是 ( )。当前接入互联网的重要手段之 WiFi 的英文全称是 ( ) 。A.Software Defined Network B.Sun Developer Network C.Specially Designated Network D.Switched Digital Network A.Wireless Fidelity B.Wire Fidelity C.Wireless Find D.Wireless Fine
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SDN是以下哪个英语的缩写
A.Software Driven NetworkB.Software Defined NetworkC.Software Defined NetworkingD.Software Driven Networking
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Simple Network Management Protocol (SNMP) is an Internet Standard protocol for collecting and organizing information about managed devices on IP networks and for modifying that information to change device（）. SNMP is a component of the Internet Protocol Suiteas defined by the Internet（ ）Task Force. SNMP operates in the（ ）layer of the Internet protocol suite. All SNMP messages are transported via User（请作答此空）Protocol. An SNMP-managed network consists of three key components: a) Managed devices, b) （ ）(i.e.，software which runs on managed devices), and c) Network management station (NMS) (i.e.， software which runs on the manager).A.Datum
B.Datagram
C.DatA.Packet
D.DatA.Message
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You are the network consultant from passguide.com. Could you please tell customers what strategy will protect network resources and services from unauthorized actions?（）A、Network managementB、Network optimizationC、Network securityD、Content storage networking
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Which statement is true about the Cisco Self-Defending Network?（）A、The Cisco Self-Defending Network defines the physical position of the firewall to protect against internal and external attacksB、The Cisco Self-Defending Network Provides static filtering against known and unknown internal and external attacksC、The Cisco Self-defending Network Provides dynamic protection against known and unknown internal and external attacksD、The Cisco Self-defending Network Provides the Elements to install the antivirus software on the End-User Workstation
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Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）A、Network securityB、Content networkingC、Network managementD、Campus local-area networking
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在DebianLinux中将机器获取IP地址的方式由动态分配转变为固定IP时，需要修改的文件是（）。A、/etc/network/interfaceB、/etc/network/interfacesC、/etc/networking/interfaceD、/etc/networking/interfaces
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SDN（Software-Define-Network）将网络设备的控制平面与转发平面分离，并将（）集中实现的软件可编程的新型网络体系架构。A、传送平面B、控制平面C、转发平面D、管理平面
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SDN是以下哪个英语的缩写A、Software Driven NetworkB、Software Defined NetworkC、Software Defined NetworkingD、Software Driven Networking
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What layer of the TMN （telecommunications management network） model does CTM fit into？（）A、Network management layerB、Element management layerC、Business management layerD、Network element layer
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Which two are characteristics of the IS -IS protocol but not OSPF?（）A、forms adjacencies with all neighborsB、supports demand circuit routingC、provides routing support for multiple network layer protocolsD、utilizes SPF algorithmE、provides for network scalability by allowing the network to be separated into areasF、three layers of hierarchical routing
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单选题域名系统DNS的含义是（）。A
Direct Network SystemB
Domain Name ServiceC
Dynamic Network SystemD
Distributed Networking Service
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单选题Which statement is true about the Cisco Self-Defending Network?（）A
The Cisco Self-Defending Network defines the physical position of the firewall to protect against internal and external attacksB
The Cisco Self-Defending Network Provides static filtering against known and unknown internal and external attacksC
The Cisco Self-defending Network Provides dynamic protection against known and unknown internal and external attacksD
The Cisco Self-defending Network Provides the Elements to install the antivirus software on the End-User Workstation
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单选题What layer of the TMN （telecommunications management network） model does CTM fit into？（）A
Network management layerB
Element management layerC
Business management layerD
Network element layer
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单选题Which statement accurately describes firewall user authentication？（）A
Firewall user authentication provides another layer of security in a network.B
Firewall user authentication provides a means for accessing a JUNOS Software-based security device.C
Firewall user authentication enables session-based forwarding.D
Firewall user authentication is used as a last resort security method in a network.
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单选题SDN是以下哪个英语的缩写A
Software Driven NetworkB
Software Defined NetworkC
Software Defined NetworkingD
Software Driven Networking
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多选题In a Cisco SDN， every element in the network acts as a point of defense. Which two best describethe features of Cisco SDN？ （）Aenables automated threat responseBenables noncompliant device accessCenables endpoint posture enforcementDenables third-party client and server protocols
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单选题在DebianLinux中将机器获取IP地址的方式由动态分配转变为固定IP时，需要修改的文件是（）。A
/etc/network/interfaceB
/etc/network/interfacesC
/etc/networking/interfaceD
/etc/networking/interfaces
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多选题You are meeting with a customer who is concerned about improving employee productivity. Whatare two ways that you should position the Cisco SDN with this customer？（）AA Cisco Integrated Security Solution uses the Cisco UN to form a layered and integratednetwork of protection that enables the enforcement of security policies throughout theinfrastructure.BA Cisco Integrated Security Solution provides software tools that allow customers to centrallymanage their network security policies.Cin contrast to point products， the Cisco SDN is a system of defense that leverages the ubiquitous sensing and control capabilities of the network. Each part communicates with the otherto strengthen protection across the entire infrastructure.DA Cisco Integrated Security Solution enables barriers that serve as both physical and virtualprotection against possible threats. Security barriers include firewalls， authentication products，access control products， and tunneling and encryption techniques.
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单选题Which IP telephony component provides call processing, such as signaling, that in a traditional voice network is provided by switching equipment, such as a PBX?（）A
Advanced call-handling software, such as Cisco UnityB
Call-management hardware and software, such as CiscoCallManagerC
Client-based software, such as CiscoSoftPhoneD
Voice gateways, such as the Cisco VG248 Analog Phone Gateway
考题
单选题Which network technology allows for the monitoring of active communication networks to diagnose problems and gather statistics for network administration?（）A
Network securityB
Content networkingC
Network managementD
Campus local-area networking
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