GB0-190-CN Exam Questions
71 real GB0-190-CN exam questions with expert-verified answers and explanations. Page 1 of 2.
- Question #3Network Fundamentals and Basics
IP 地址202.135.111.77 对应的自然分类网段的广播地址为________________。
IP addressingbroadcast addressclassful addressingClass C - Question #5Network Fundamentals and Basics
FTP 默认使用的控制协议端口是______。
FTPwell-known portsapplication protocols - Question #11Network Fundamentals and Basics
IP 地址10.0.10.32 和掩码255.255.255.224 代表的是一个______。
IP addressingsubnet masknetwork addressaddress classification - Question #12Network Fundamentals and Basics
IP 地址132.119.100.200 的子网掩码是255.255.255.240,哪么它所在子网的广播地址是 ______。
subnettingbroadcast addresssubnet maskVLSM - Question #13Network Fundamentals and Basics
TFTP 采用的传输层知名端口号为______。
TFTPUDPwell-known portsapplication protocols - Question #32Network Fundamentals and Basics
TCP/IP 协议栈包括以下哪些层次?
TCP/IP modelprotocol stacknetwork layers - Question #35Network Fundamentals and Basics
OSI 参考模型具有以下哪些优点?
OSI modellayered architecturenetwork standards - Question #36Network Fundamentals and Basics
OSI 参考模型具有以下哪些优点?
OSI modelPDU namingdata encapsulationprotocol layers - Question #41Network Fundamentals and Basics
OSI 参考模型物理层的主要功能是______。(选择一项或多项)
OSI modelphysical layerbit transmissionlayer functions - Question #42Network Fundamentals and Basics
IP 协议对应于OSI 参考模型的第______层。
OSI modelIP protocolnetwork layerprotocol mapping - Question #47Network Fundamentals and Basics
TCP 属于OSI 参考模型的______。
OSI modelTCPtransport layerprotocol mapping - Question #48Network Fundamentals and Basics
UDP 属于OSI 参考模型的______。
OSI modelUDPtransport layerprotocol mapping - Question #49Network Fundamentals and Basics
SPX 属于OSI 参考模型的______。
OSI modelSPXtransport layerprotocol mapping - Question #50Network Fundamentals and Basics
DNS 工作于OSI 参考模型的______。
OSI modelDNSapplication layerprotocol mapping - Question #58LAN Technologies and Configuration
WLAN(Wireless LAN)是计算机网络与无线通信技术相结合的产物。下列哪些属于 WLAN 技术标准?(选择一项或多项)
WLANwireless standardsIEEE 802.11LAN technologies - Question #70Network Fundamentals and Basics
IP 地址203.108.2.110 是______地址。
IP addressingclassful addressingClass Caddress ranges - Question #71Network Fundamentals and Basics
IP 地址133.18.2.110 是______地址。
IP addressingclassful addressingClass Baddress ranges - Question #75Network Fundamentals and Basics
IP 地址165.110.20.67 对应的自然分类网段包含的可用主机地址数为__________。(请 填写阿拉伯数字)
IP addressingclassful addressingClass Bhost calculation - Question #79Network Fundamentals and Basics
IP 地址192.48.117.22 对应的自然分类网段的网络地址为________________。
IP addressingclassful networksnetwork addressClass C - Question #85Network Fundamentals and Basics
TCP 协议通过______来区分不同的连接。
TCP connectionsport numbersIP addresstransport layer - Question #86Network Fundamentals and Basics
UDP 协议和TCP 协议头部的共同字段有______。
UDP headerTCP headerchecksumport fields - Question #87Network Management and Troubleshooting
UDP 协议和TCP 协议头部的共同字段有______。
VTYremote accessdevice managementconsole - Question #96Network Security Features
SSH 默认使用TCP 端口号______。(选择一项或多项)
SSHTCP port 22secure shellprotocol ports - Question #105Network Fundamentals and Basics
FTP 默认使用的数据传输端口是______。
FTPport 20data transferprotocol ports - Question #106Network Fundamentals and Basics
FTP 协议是基于______的协议。
FTPTCPtransport protocolapplication layer - Question #107Network Fundamentals and Basics
TFTP 协议是基于______的协议。
TFTPUDPtransport protocolapplication layer - Question #137Network Management and Troubleshooting
MSR 路由器上一次ping 默认发5 个包,如果想指定发送报文的数目,可使用______参 数。
pingdiagnostic toolspacket countCLI parameters - Question #140LAN Technologies and Configuration
XYZ 公司网络如图所示。其中Router 上没有配置任何逻辑接口;所有的主机之间均可 以正常通信。则此网络中有_____个冲突域。(请填写阿拉伯数字)
collision domainswitchnetwork segmentationLAN topology - Question #147LAN Technologies and Configuration
VLAN 划分的方法包括______。
VLANVLAN assignment methodsnetwork segmentationLAN - Question #162LAN Technologies and Configuration
MSTP 的特点有______。(选择一项或多项)
MSTPspanning treeRSTPfast convergence - Question #171LAN Technologies and Configuration
VLAN 技术和端口隔离技术均可以实现数据的二层隔离。
VLANport isolationLayer 2 isolationsecurity - Question #188LAN Technologies and Configuration
PCA、PCB 分别与S3610 交换机SWA 的端口Ethernet1/0/2、Ethernet1/0/3 相连,服 务器与端口Ethernet1/0/1 相连。如果使用端口隔离技术使PC 间互相隔离,但PC 都能够访 问服务器,则需要在交换机上配置哪些命令?
port isolationswitch configurationuplink portaccess control - Question #189Network Security Features
PC 连接在交换机SWA 的端口E1/0/2,IP 地址为10.1.1.1,MAC 地址为0-01-02-01- 21-23。为了保证网络安全,需要在端口E1/0/2 上配置MAC+IP+端口绑定。则下列哪个命令 是正确的?
MAC+IP bindingport securitynetwork securityswitch configuration - Question #196Network Fundamentals and Basics
A 类地址的默认子网掩码是______。
Class A subnet maskdefault subnet maskIP addressingclassful networking - Question #197Network Fundamentals and Basics
B 类地址的默认子网掩码是______。
Class B subnet maskdefault subnet maskIP addressingclassful networking - Question #202Network Fundamentals and Basics
IP 地址10.0.10.63 和掩码255.255.255.224 代表的是一个______。
subnet maskbroadcast addressCIDRIP addressing - Question #203Network Fundamentals and Basics
IP 地址10.0.10.65 和掩码255.255.255.224 代表的是一个______。
subnettingsubnet maskCIDR notationIP addressing - Question #209Network Fundamentals and Basics
XYZ 公司管理员正在为办公网划分子网。要求将一个B 类网段划分成若干大小相等的子 网供各部门办公用户使用,但不限制子网的大小,可以有______种划分方法。(请填写阿拉 伯数字)
IP address structuresubnet numberClass B networksubnetting - Question #215Network Fundamentals and Basics
IP 地址132.119.100.200 的子网掩码是255.255.255.224,哪么它所在的IP 子网地址是 ______。
subnet addresssubnet maskIP addressingsubnetting calculation - Question #216Network Fundamentals and Basics
IP 地址132.119.100.200 的子网掩码是255.255.255.224,哪么它所在子网的广播地址 是______。
broadcast addresssubnet masksubnetting calculationIP addressing - Question #217Network Fundamentals and Basics
IP 地址132.119.100.200 的子网掩码是255.255.255.240,哪么它所在的IP 子网地址是 ______。
subnet addresssubnet masksubnetting calculationIP addressing - Question #225Network Fundamentals and Basics
DNS 可以采用的传输层协议是______。
DNSTCPUDPtransport protocol - Question #226Network Fundamentals and Basics
DNS 采用的传输层协议知名端口号是______。
DNSport numberwell-known portstransport protocol - Question #227Network Fundamentals and Basics
DNS 域名服务器能够完成域名到IP 地址的解析工作,能够提供具体域名映射权威信息 的服务器肯定是______。
DNSauthoritative serverdomain name resolutionDNS hierarchy - Question #231Network Fundamentals and Basics
FTP 数据连接的作用包括______。
FTPactive modepassive modedata connection - Question #233Network Fundamentals and Basics
FTP 常用文件传输类型包括______。
FTPfile transfer typesASCIIbinary transfer - Question #234Network Fundamentals and Basics
DHCP 客户端收到DHCP ACK 报文后如果发现自己即将使用的IP 地址已经存在于网络 中,那么它将向DHCP 服务器发送什么报文?
DHCPDHCP DeclineIP conflict detectionDHCP messages - Question #235Network Fundamentals and Basics
DHCP 客户端向DHCP 服务器发送_______报文进行IP 租约的更新?
DHCPlease renewalunicastDHCP Request - Question #237Network Fundamentals and Basics
DHCP 中继和DHCP 服务器之间交互的报文采用______。
DHCP relayunicastDHCP serverDHCP messages - Question #238Network Fundamentals and Basics
IPv6 采用______表示法来表示地址。
IPv6colon hexadecimaladdress notationIPv6 addressing