当交换机通电时,启动顺序中的第一个动作是什么? What is the first action in the boot sequence when a switch is powered on?
A. 加载默认的 Cisco IOS 软件 load the default Cisco IOS software
B. 加载引导加载程序软件 load boot loader software
C. 加载开机自检程序 load a power-on self-test program
D. 低级 CPU 初始化 low-level CPU initialization
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show startup-config 命令显示哪些信息? Which information does the show startup-config command display?
A. 复制到 RAM 中的 IOS 镜像 the IOS image copied into RAM
B. ROM 中的引导程序 the bootstrap program in the ROM
C. NVRAM 中保存的配置文件的内容 the contents of the saved configuration file in the NVRAM
D. RAM 中当前运行的配置文件的内容 the contents of the current running configuration file in the RAM
哪两种协议可用于访问 Cisco 交换机以进行带内管理?(选择两项。) Which two protocols can be used to access a Cisco switch for in-band management? (Choose two.)
A. SMTP SMTP
B. SSH SSH
C. Telnet Telnet
D. FTP FTP
E. DHCP DHCP
企业网络中使用哪两种网络设备为终端设备提供网络连接?(选择两项。) Which two networking devices are used in enterprise networks for providing network connectivity to end devices? (Choose two.)
A. 网络服务器 web server
B. 路由器 router
C. 局域网交换机 LAN switch
D. 防火墙 firewall
E. 无线接入点 wireless access point
NVRAM 的两个功能是什么?(选择两项。) What are two functions of NVRAM? (Choose two.)
A. 存储启动配置文件 to store the startup configuration file
B. 包含运行配置文件 to contain the running configuration file
C. 存储 ARP 表 to store the ARP table
D. 断电时保留内容 to retain contents when power is removed
E. 存储路由表 to store the routing table