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思科认证640-802模拟试卷2

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  1. 卷面总分:0分
  2. 试卷类型:模拟试题
  3. 测试费用:免费
  4. 答案解析:有
  5. 练习次数:41次
  6. 作答时间:40分钟
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试卷简介

题型:

  1. 1.单选题
  2. 2.多选题
  3. 3.不定项选择题
试卷预览
1
A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with an existing switch. Which VLANs will be allowed on this new trunk?
A.All defined VLANs are allowed on the trunk by default.B.Each VLAN, or VLAN range, that is specified with the switchport mode command.C.Each VLAN, or VLAN range, that is specified with the vtp domain command.D.Each VLAN, or VLAN range, that is specified with the vlan database command.E.None of the above
2
While troubleshooting a connectivity issue from a PC you obtain the following information:Local PC IP address: 190.0.3.35/24Default Gateway: 190.0.3.1Remote Server: 190.0.5.250/24You then conduct the following tests from the local PC:Ping 127.0.0.1 - UnsuccessfulPing 190.0.3.35 - SuccessfulPing 190.0.3.1 - UnsuccessfulPing 190.0.5.250 – UnsuccessfulWhat is the underlying cause of this problem?
A.TCP/IP not correctly installedB.Local physical layer problemC.NIC not functioningD.Remote physical layer problemE.None of the above
3
You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?
A.Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point linkB.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receiveC.Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidthD.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signalE.None of the above
4
The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?
A.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receiveB.Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point linkC.Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidthD.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signalE.None of the above
5
From where does a small network typically get its IP network addresses or IP block?
A.From the Internet Domain Name Registry (IDNR)B.From the Internet Assigned Numbers Authority (IANA)C.From the Internet Service Provider (ISP)D.From the Internet Architecture Board (IAB)E.None of the above
6
After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?
A.Hardware failure in NVRAM prevents the router from loading the configB.Startup-config in flash is corrupt and cannot be analyzedC.Router configuration-register set to bypass startup configurationD.Startup-config in NVRAM is corrupt and cannot be analyzedE.None of the above
7
You need to decide on which trunking method to implement in the Ezonexam network. What is a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?
A.They are used to find the best path through a network.B.They allow the exchange of filtering tables.C.They specify different implementations of the Spanning-Tree Protocol.D.They allow the exchange of routing tablesE.They provide inter-switch VLAN communication.
8
Ezonexam users have noticed extremely slow network performance, intermittent connectivity, and connection losses. After entering the "show interfaces" command, you notice that the Ethernet interface is configured as 100 Mbps full-duplex and that there is evidence of late collisions. What could be the cause of this problem?A. Duplex mismatchB. A routing loopC. Trunking mode mismatchD. Improperly configured root bridgeE. Improperly configured static VLANF. None of the above
9
Acknowledgements, sequencing, and flow control are functions that are handled by which layer of the OSI model?A. Layer 5B. Layer 4C. Layer 7D. Layer 6E. Layer 3F. Layer 2G. Layer 1
10
In a Ezonexam network that supports VLSM, which network mask should be used for point-to-point WAN links in order to reduce waste of IP addresses?A. /24B. /30C. /27D. /26E. /32F. None of the above
试卷评价(5条)
abcd1abcd12013-06-11 01:34:06
试题总体感觉还可以,自己学习需要加强
zyxlajidui2013-03-30 13:06:36
又被深深地伤了一会,真是做一回伤一回啊,我要加油了
dadalala2013-02-21 06:48:19
简单,这考试真心不难
ayalala2013-01-15 08:52:24
大家做的情况怎么样啊?题是不是太难啦,分享一下啊
hugetable2012-11-14 11:02:32
有用!不错!!!

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