问题:With regard to Ethernet media access methods, which of the following are true?(Choose all that apply.)A.A device waits for an electronic signal before transmitting.B.A device listens and waits until the media is not busy before transmitting.C.All devices ...
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问题:RIP路由在()时间内没有收到更新会删除不可达路由()A.90sB.120sC.180sD.240s ...
问题:A Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports ...
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...
问题:备份路由器IOS的命令是:()A.copy flash tftpB.copy running-configt ftpC.copy IOS tftpD.copy s ...
问题:You have a single Class C IP address and a point-to-point serial link that you want to implement VLSM on. Which subnet mask is the most efficient for this point to point link?A. 255.255.255.0B. 255.255.255.240C. 255.255.255.248D. 255.255.255.252E. 255.255...
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...
问题:You have a class B network with a 255.255.255.0 mask. Which of the statements below are true of this network? (Select all valid answers)A. There are 254 usable subnets.B. There are 256 usable hosts per subnet.C. There are 50 usable subnets.D. There are 25...
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?() ...
问题:把指定端口添加到VLAN的命令是:()A.vlanB.vlan-member shipC.vtpD.switch port ...
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...
问题:下列哪些内部路由协议支持VLSM()A.RIP-1B.RIP-2C.EIGRPD.OSPFE.IS-IS...
问题:下列哪些路由协议会使用某个指标,即默认情况下,至少部分受到链路带宽的影响()A.RIP-1B.RIP-2C.EI ...
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?() ...
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...
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?() ...
问题:Ezonexam users have noticed extremely slow network performance, intermittent connectivity, and connection losses. After entering the "show interfaces" command, you notice that the Ethernet interface is configured as 100 Mbps full-duplex and that there is ...
问题:要启用PAgP,可使用下面哪两种EtherChannel模式?() ...
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)?() ...
问题:802.1d定义了哪些端口状态?() ...