问题：下面是你在一台交换机上执行命令show spanning－tree时得到的输出:请问下面哪两种有关这台交换机的说法是正确的?() A.这台交换机是根网桥B.这台交换机不是根网桥C.根网桥与这台交换机之间有4台交换机D.这台交换机运行的是802.1wE.这台交换机运行的是STP PVST+...

Sunday, July 21, 2024

问题：Ezonexam has implemented the use of VLANs in their network. Which of the following are considered to be a benefit of VLANs? (Choose three)A. They increase the size of collision domains.B. They allow logical grouping of users by function.C. They can enhanc...

Saturday, October 22, 2022

问题：You are an administrator of the Ezonexam switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in the Ezonexam network.However, you need to...

Sunday, March 10, 2024

问题：A network administrator wants to control which user hosts can access the network based on their MAC address. What will prevent workstations with unauthorized MAC addresses from connecting to the network through a switch?A. BPDUB. Port securityC. RSTPD. ST...

Sunday, December 15, 2024

问题：要获悉当前交换机是哪些VLAN的根网桥,可使用下面哪两个命令?() A.show spanning-treeB.show root allC.show spann-ing-tree port root VLAND.show spanning-tree summary...

Sunday, February 2, 2025

问题：下列关于链路状态算法的说法正确的是:()A.链路状态是对路由的描述B.链路状态是对网络拓扑结构的描述C.链路状态算法本身不会产生自环路由D.OSPF和RIP都使用链路状态算法...

Wednesday, June 18, 2025

问题：STP定义了哪些端口角色?() A.阻断端口B.丢弃端口C.根端口D.非指定端口E.转发端口F.指定端口...

Friday, June 7, 2024

问题：要确保交换机成为VLAN30的根网桥,可使用下面哪两个命令之一?() A.spanning-tree vlan 30 priority 0B.spanning-tree vlan 30 priority 16384C.spanning-tree vlan 30 root guaranteeD.spanning-tree vlan 30 root primary...

Monday, September 30, 2024

问题：哪个命令显示有关当前IOS版本的各种信息,包括许可细节(位于输出末尾)?() ...

Tuesday, September 20, 2022

问题：将路由器的许可证删除包括哪两步?() A.使用命令erase flash:licenseB.重启系统C.使用命令license boot，并在末尾指定关键字disableD.使用命令license clear将许可证清除...

Friday, October 25, 2024

问题：下面哪三种有关RSTP的说法是正确的?() A.第2层网络拓扑发生变化时，需要重新计算生成树，而RSTP提高了这种计算的速度B.RSTP是一种IEEE标准，重新定义了STP端口角色、端口状态和BPDUC.RSTP极具前瞻性且反应迅速，因此绝对需要802.1d的延迟定时器D.RSTP( 802.1w)优于802.1d，但依然是专用的E.RSTP修改了所有802.1d术语和大部分参数F...

Tuesday, August 20, 2024

问题：802.1d定义了哪些端口状态?() A.阻断B.丢弃C.侦听D.学习E.转发F.替代...

Wednesday, June 18, 2025

问题：The network administrator has configured port security on a Ezonexam switch. Why would a network administrator configure port security on this Ezonexam device?A．To prevent unauthorized hosts from getting access to the LANB．To limit the number of Layer 2 b...

Thursday, July 31, 2025

问题：What is the maximum number of IP addresses that can be assigned to hosts on a Ezonexam subnet that uses the 255.255.255.224 subnet mask?A. 14B. 15C. 16D. 30E. 31F. 32...

Monday, December 16, 2024

问题：你将一台笔记本电脑直接连接到了路由器的以太网端口。为确保命令copy flash tftp成功地完成其任务,需要满足哪三个条件?() A.必须在路由器上运行TFTP服务器软件B.必须在笔记本电脑上运行TFTP服务器软件C.将笔记本电脑直接连接到路由器以太网端口的以太网电缆必须是直通电缆D.笔记本电脑与路由器以太网接口必须位于同一个子网E.必须给命令copy flash tftp提供...

Sunday, October 6, 2024

问题：IGP包括如下哪些协议()A.RIPB.BGPC.IS-ISD.OSPF...

Saturday, March 9, 2024

问题：Ezonexam is installing IP phones in a new office. The phones and office computers connect to the same device. To ensure maximum throughout for the phone data sessions, the company needs to make sure that the phone traffic is on a different network from th...

Thursday, December 22, 2022

问题：IP地址为：192.168.50.70，掩码为：255.255.255.248，则该IP地址所在子网的子网号为（）A.192.168.50.32B.192.168.80.64C.192.168.50.96D.192.168.50.71...

Monday, November 11, 2024

问题：路由器上激活端口的命令是（）A.shutdownB.no shutdownC.upD.noup...

Monday, September 9, 2024

问题：要启用PAgP,可使用下面哪两种EtherChannel模式?() ...

Tuesday, September 20, 2022