哪个接口是 Cisco 交换机上的默认 SVI？ Which interface is the default SVI on a Cisco switch?
A. 快速以太网 0/1 FastEthernet 0/1
B. VLAN 1 VLAN 1
C. 千兆以太网 0/1 GigabitEthernet 0/1
D. VLAN 99 VLAN 99
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管理员将在哪个交换机接口上配置 IP 地址以便远程管理交换机？ On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?
A. vty 0 vty 0
B. VLAN 1 VLAN 1
C. 控制台 0 console 0
D. FastEthernet0/1 FastEthernet0/1
在路由器上使用 Router# copy running-config startup-config 命令有什么效果？ What is the effect of using the Router# copy running-config startup-config command on a router?
A. ROM 的内容会改变。 The contents of ROM will change.
B. NVRAM 的内容会改变。 The contents of NVRAM will change.
C. RAM 的内容会改变。 The contents of RAM will change.
D. 闪存的内容会改变。 The contents of flash will change.
出于管理目的使用 Telnet 或 SSH 连接到网络设备的区别是什么？ What is one difference between using Telnet or SSH to connect to a network device for management purposes?
A. Telnet 支持主机 GUI，而 SSH 仅支持主机 CLI。 Telnet supports a host GUI whereas SSH only supports a host CLI.
B. Telnet 以纯文本形式发送用户名和密码，而 SSH 对用户名和密码进行加密。 Telnet sends a username and password in plain text, whereas SSH encrypts the username and password.
C. Telnet 使用 UDP 作为传输协议，而 SSH 使用 TCP。 Telnet uses UDP as the transport protocol whereas SSH uses TCP.
D. Telnet 不提供身份验证，而 SSH 提供身份验证。 Telnet does not provide authentication whereas SSH provides authentication.
请参见图示。网络技术人员正在为 PC 静态分配 IP 地址。默认网关是正确的。分配给主机的有效 IP 地址是什么？ Refer to the exhibit. A network technician is statically assigning an IP address to a PC. The default gateway is correct. What would be a valid IP address to assign to the host?
A. 128.108.100.10 128.108.100.10
B. 128.107.255.254 128.107.255.254
C. 128.107.255.1 128.107.255.1
D. 128.106.10.100 128.106.10.100
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