2026年09月05日来源:信管网 作者:cnitpm
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网络工程师每日一练试题内容(2026/9/4)
试题1
Asoftware-definedwideareanetwork(SD-WAN)isawideareanetworkthatusessoftware-definednetworktechnology,suchascommunicatingoverthelnternetusingoverlay(19)whichareencryptedwhendestinedforinternalorganizationlocations.sD-WANsimplifiesthemanagementandoperationofaVANbydecouplingthenetworkinghardwarefromits(20)mechanism.Thisconceptissimilartohowsoftware-definednetworkingimplements(21)technologytoimprovedatacentermanagementandoperation.AkeyapplicationofsD-WANistoallowcompaniestobuildhigher-performanceWANsusinglower-costandcommerciallyavailable(22)access,enablingbusinessestopartiallyorwhollyreplacemoreexpensiveprivateWANconnectiontechnologies.sD-WANtechnologysupports(23)ofService(QoE)byhavingapplication-levelawareness,givingbandwidthprioritytothemostcriticalapplications.查看答案
试题参考答案:C、D、D、B、B
试题2
使用CIDR技术将下列4个C类地址: 202.145.27.0/24、202.145.29.0/24、202.145.31.0/24和202.145.33.0/24 汇总为一个超网地址,其地址为( ),下面 ( )不属于该地址段,汇聚之后的地址空间是原来地址空间的( )倍。查看答案
试题参考答案:C 、D 、D
试题3
使用( )命令可以显示OSPF接口信息。查看答案
试题参考答案:D
试题4
关于VLAN说法错误的是( )查看答案
试题参考答案:B
试题5
Network security is the protection of the underlying networking infrastructure(1) access, misuse, or theft. It involves creating asecure infrastructure for device and applications to work in a (2) manner.
Network security combines multiple defenses at the edge and in the network. Each network security layer implements (3) controls.Authorized users gain access to network resources. A (4) is a network device that monitors incoming and outgoing network traffic and decides whether block specific traffic based on a defined set of security rules. A virtual (5) encrypts the connection from an endpoint to a network,often over the internet.remote-access VPN uses IPsec or Secure Sockets Layer to authenticate the between device and network.查看答案
试题参考答案:A、B、C、A、B
试题6
32位操作系统理论上支持的最大内存空间容量为( )查看答案
试题参考答案:A
试题7
以下关于ICMP 的叙述中,错误的是 ( )。查看答案
试题参考答案:B
试题8
用户报告自己的Windows运行速度明显减慢,管理员打开任务管理器后发现CPU的使用率达到了100%,网络利用率也接近100%,则该机器最有可能遭遇了( )查看答案
试题参考答案:B
试题9
下面地址中,可以作为网络地址的是(17),其对应的子网掩码是(18)。查看答案
试题参考答案:D、A
试题10
对十进制数47和0.25分别表示为十六进制形式,为( )。查看答案
试题参考答案:A
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