在路由器上,命令show access-list的功能是()
单选题
A
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举一反三
TELNET工作在OSI哪一层()
题目答案
D
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RIP路由协议认为“网络不可到达”的跳数是:()
题目答案
B
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在OSI七层模型中,介质工作在哪一层()
题目答案
C
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You wish to segment your LAN into multiple broadcast domains. Which technology method should you implement in order to do this?
题目答案
D
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解析:EXPLANATION:THE CREATION OF VLANS IN A SWITCH WILL PROVIDE SEPARATE BROADCAST DOMAINS. BY DEFAULT, ALL PORTS IN A CATALYST SWITCH BELONG TO VLAN 1. BY CREATING ADDITIONAL VLANS, THE LAN WILL BE LOGICALLY SEGMENTED INTO SEPARATE BROADCAST DOMAINS.INC
Ezonexam has a Class C network and you need ten subnets. You wish to have as many addresses available for hosts as possible. Which one of the following subnet masks should you use?
题目答案
C
您的答案
答案解析
Explanation:Usingthe2n-2formula,wewillneedtouse4bitsforsubnetting,asthiswillprovidefor24-2=14subnets.Thesubnetmaskfor4bitsisthen255.255.255.240.IncorrectAnswers:A.Thiswillgiveusonly2bitsforthenetworkmask,whichwillprovideonly2networks.B.Thiswillgiveus3
当使用下列命令配置了路由器后,将有多少地址可用于进行动态NAT转换()
题目答案
B
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暂无解析
What is the subnet for the host IP address 201.100.5.68/28?
题目答案
C
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答案解析
解析:EXPLANATION:THIS QUESTION IS MUCH EASIER THEN IT APPEARS WHEN YOU CONVERT IT TO BINARY AND DO THE BOOLEAN OPERATION AS SHOWN BELOW:IP ADDRESS 201.100.5.68 = 11001001.01100100.00000101.01000100/28 MASK = 11111111.11111111.11111111.11000000AND RESULT
On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously, resulting in a collision. Following this collision, what will the hosts do? (Select all valid answers)
题目答案
C
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答案解析
解析:EXPLANATION:WHEN A HOST ON AN ETHERNET LAN HAS INFORMATION TO SEND, THE FOLLOWING STEPS ARE TAKEN:1. A DEVICE WITH A FRAME. TO SEND LISTENS UNTIL ETHERNET IS NOT BUSY.2. WHEN THE ETHERNET IS NOT BUSY, THE SENDER BEGINS SENDING THE FRAME.3. THE SENDE
请参见图示。根据showipnattranslations命令的输出,此路由器上正在使用哪种地址转换()
题目答案
C
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在OSPF的DR/BDR选举过程中,在路由器有相同的接口优先级情况下,什么用于确定DR或BDR()
题目答案
D
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暂无解析