[多选题]What are two characteristics of "store and forward" switching? (Select two answer choices)
正确答案 :BC
The switch receives the complete frame. before beginning to forward it.
Latency through the switch varies with frame. length.
解析:解析:Explanation:
[单选题]OSI七层模型中,“段”是哪一层数据封装的名称()
正确答案 :D
传输层
[多选题]对于IP为199.41.27.0,子网掩码为255.255.255.240,则该IP地址和子网掩码相作用会得到一系列IP,从下列选项中选出属于“有效IP”的选项:()
正确答案 :ABCD
199.141.27.33
199.141.27.112
199.141.27.119
199.141.27.126
解析:ABCD
[单选题]TCP23是()协议端口号;UDP69是()端口号;TCP80是()端口号。
正确答案 :C
TELNET TFTP HTTP
[多选题]As a Ezonexam trainee you are required to set the default gateway on a Cisco switch to the IP address of 192.168.1.115. Which IOS command should you use?
正确答案 :ABCD
TestKSwitch(config) ip route-default 192.168.1.115
TestKSwitch(config) ip default-gateway 192.168.1.115
TestKSwitch(config) ip route 192.168.1.115 0.0.0.0
TestKSwitch(config) ip default-network 192.168.1.115
解析:解析:Explanation:
[单选题]Which command on router EzonexamA will assign the last usable IP address from the 192.168.32.128/28 subnetwork to a router interface?
正确答案 :A
EzonexamA(config-if) ip address 192.168.32.142 255.255.255.240
解析:A 解析:Explanation:
[单选题]查看路由表的命令是:()
正确答案 :C
show ip route
[单选题]关于PPP和HDLC的说法中,错误的是()
正确答案 :D
在配置ISDN时,广域网协议不能封装成PPP,但可以封装成HDLC
[单选题]OSI七层模型中,数据链路层的数据封装名称为()
正确答案 :B
帧
[单选题]对于路由表,下列说法中正确的是:()
正确答案 :B
在缺省的情况下,如果一台路由器同时运行了RIP和OSPF两种动态路由协议,则在路由表中只会显示OSPF发现的路由,因为OSPF协议的优先级更高
查看原题