[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?
正确答案 :B
Flash, TFTP server, ROM
解析:解析:Explanation:BootinguptheRouter:CiscorouterscanbootCiscoIOSsoftwarefromtheselocations:1.Flashmemory2.TFTPserver3.ROM(notfullCiscoIOS)Multiplesourceoptionsprovideflexibilityandfallbackalternatives.
[单选题]交换机上VLAN的功能描述中,正确的是()
正确答案 :B
可以减少广播对网络性能的影响
[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()。
正确答案 :C
0.0.0.31
[单选题]配置路由器特权用户“加密密码”的命令是:()
正确答案 :C
enable secret
[单选题]把指定端口添加到VLAN的命令是:()
正确答案 :D
switch port
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