1. [单选题]During the boot sequence, a Ezonexam 2800 series router needs to locate and load an operating system. What is the default order the router uses to find an operating system?
A. ROM, TFTP server, Flash
B. Flash, TFTP server, ROM
C. Flash, NVRAM, TFTP server
D. Flash, ROM, TFTP server
E. Flash, TFTP server, RAM
2. [单选题]交换机上VLAN的功能描述中,正确的是()
A. 可以减少广播域的个数
B. 可以减少广播对网络性能的影响
C. 可以减少冲突域的个数
D. 可以减小冲突域的容量
3. [单选题]下列哪一个通配符掩码与子网172.16.64.0/27的所有主机匹配()。
A. 255.255.255.0
B. 255.255.224.0
C. 0.0.0.31
D. 0.0.31.255
4. [单选题]配置路由器特权用户“加密密码”的命令是:()
A. password
B. enable password
C. enable secret
D. passwd
5. [单选题]把指定端口添加到VLAN的命令是:()
A. vlan
B. vlan-member ship
C. vtp
D. switch port