ActualTests.Cisco.640-802.Exam.Q.and.A.08.15.08-DDU (1130589), страница 28
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If you're trunking between a Ciscoswitched link and a different brand of switch, you have to use 802.1Q for the trunk towork.QUESTION 226:There are 2 switches in the Certkiller LAN, with no routers. Ports 1, 2 & 3 areassigned to VLAN 1 in switch 1 and 2 and ports 4, 5 & 6 are assigned to VLAN 2 inboth switches. These two switches are connected together via a trunked link. Whichof the conditions below would verify trunk and VLAN operation? (Select all validanswers)A. Host 1 on VLAN 1 can ping Host 2 on VLAN 1B. Host 1 on VLAN 1 can ping Host 4 on VLAN 2C.
Host 1 on VLAN 1 can not ping Host 2 on VLAN 1D. Host 4 on VLAN 2 can not ping Host 1 on VLAN 1E. Host 4 on VLAN 2 can ping Host 2 on VLAN 2Answer: A, D, EExplanation:If there is no router present, only hosts in the same VLAN will be able to ping each other.In order for any host on one VLAN to communicate with a host on another VLAN, thetraffic must pass through a router. Host within the same VLAN will be able to ping eachother, even though they reside on different switches, as long as the switches have a trunkconnection configured between them.Actualtests.com - The Power of Knowing640-802QUESTION 227:Two Certkiller switches are connected as shown below:Please study the exhibit carefully.
Configuration of both switches has beencompleted. During testing, the network administrator notices that users on SwitchAcan not connect with users in the same VLAN on SwitchB. What should be done tosolve this problem?A. Ensure that the IP address of SwitchA is on the same network as the IP address ofSwitchB.B.
Ensure that the same interface number is used to connect both switches.C. Ensure that the ports connecting the two switches are configured to trunk.D. Ensure that SwitchA and SwitchB are connected with a straight-through cable.Answer: CExplanation:Ports can be in two states on a switch:Access ports: This type of link is only part of one VLAN, and it's referred to as the nativeVLAN of the port.
Any device attached to an access link is unaware of a VLANmembership the device just assumes it's part of a broadcast domain, but it does notunderstand the physical network.Trunk links: Trunks can carry multiple VLANs and originally gained their name after thetelephone system trunks that carry multiple telephone conversations.So to carry the VLAN information from one switch to another switch, a trunk link needsto be configured between the two switches, using the "switchport mode trunk" command.Note: By default all ports are in access mode.QUESTION 228:The Certkiller network is displayed in the diagram below:Actualtests.com - The Power of Knowing640-802A network associate is trying to understand the operation of the Certkiller networkby studying the graphic.
All hosts are able to reach the enterprise server on VLAN4.The associate needs to determine which interfaces are functioning as a trunk ports.Which of the interfaces are trunks? (Choose two)A. Switch1 - Fa0/2B. Switch1 - Fa0/9C. Switch2 - Fa0/3D. Switch2 - Fa0/4E. Switch2 - Fa0/6F. Router - Fa1/0Answer: B, FExplanation:Trunks are only used on connections between two switches, or between routers andswitches. Trunk ports are not used on connections to end stations, such as servers orcomputer stations. In this example, only choice B and F are possible trunks.QUESTION 229:Two Certkiller hosts reside in different VLANs as shown below:The Certkiller network shown in the diagram above is experiencing connectivityproblems. Which of the following will correct the problems? (Choose two.)A.
Configure the gateway on Host Certkiller A as 10.1.1.1Actualtests.com - The Power of Knowing640-802B. Configure the IP Address of Host Certkiller B as 10.1.2.2C. Configure the IP Address of Host Certkiller A as 10.1.2.2D. Configure the gateway on host Certkiller B as 10.1.2.254Answer: B, DExplanation:By default, only hosts that are members of the same VLAN can communicate. To changethis and allow inter-VLAN communication, you need a router or a layer 3 switch.Here is the example of configuring the router for inter-vlan communicationRouterA(config)#int f0/0.1RouterA(config-subif)#encapsulation ?dot1Q IEEE 802.1Q Virtual LANRouterA(config-subif)#encapsulation dot1Q or isl VLAN IDRouterA(config-subif)# ip address x.x.x.x y.y.y.yHost Certkiller B is belonging to VLAN2,so should have the IP address of VLAN 2 andgateway should be the IP address of Router's same VLAN's IP.QUESTION 230:A Certkiller network is shown below:Based on the information shown above, what commands must be configured on theCertkiller switch and the router to allow communication between host 1 and host 2?(Choose two)A.
Router(config)# interface fastethernet 0/0Router(config-if)# ip address 192.168.1.1 255.255.255.0Router(config-if)# no shut downB. Router(config)# interface fastethernet 0/0Router(config-if)# no shutdownRouter(config)# interface fastethernet 0/0.1Router(config-subif)# encapsulation dot1q 10Actualtests.com - The Power of Knowing640-802Router(config-subif)# ip address 192.168.10.1 255.255.255.0Router(config)# interface fastethernet 0/0.2Router(config-subif)# encapsulation dot1q 20Router(config-subif)# ip address 192.168.20.1 255.255.255.0C. Router(config)# router eigrp 100Router(config-router)# network 192.168.10.0Router(config-router)# network 192.168.20.0D.
Switch1(config)# vlan databaseSwitch1(config-vlan)# vtp domain XYZSwitch1(config-vlan)# vtp serverE. Switch1(config)# interface fastethernet 0/1Switch1(config-if)# switchport mode trunkF. Switch1(config)# interface vlan 1Switch1(config-if)# ip default-gateway 192.168.1.1Answer: B, EExplanation:In this exhibit, there are two different VLANs (VLAN 10 and VLAN 20). In this case,the router is required for Inter-VLAN routing.
In order to properly configure Inter-VLANRouting, we need to assign the IP address and the encapsulation type. In the router weneed two sub-interfaces created we need to assign the IP as well as defined theencapsulation type for each of these.
In the switch, only a trunk port can carry theinformation of multiple VLANs so fa0/1 is trunked on the switch as shown by answer E.QUESTION 231:Two Certkiller devices are connected as shown below:Actualtests.com - The Power of Knowing640-802The Certkiller network administrator needs to add a new VLAN, named VLAN3, tothe network shown above.
Unfortunately, there is not another FastEthernetinterface on CK1 to connect to the new VLAN3. Which approach is the most costeffective solution for this problem?A. Purchase a new FastEthernet module and install it on CK1 .B. Replace CK1 with a new router that has at least three FastEthernet interfaces.C. Configure a second switch to support VLAN3 with a VLAN trunk between SW1 andthe new switch.D. Configure a single VLAN trunk between CK1 and SW1 and configure a subinterfaceon the CK1 interface for each VLAN.E. Connect another router to a serial interface of CK1 . Use a FastEthernet interface on thenew router for VLAN3.F.
None of the aboveAnswer: DExplanation:A Router is a Layer 3 device that plays the vital role for inter-VLAN communication. Forinter-VLAN communication either we require multiple interfaces or we can createsubinterfaces on the router for each VLAN.Example router configuration for this scenario:(config)# interface fa0.1(config-if)#ip address 192.168.1.1 255.255.255.0(config-if)#no shutdown(config)#interface fa0.2(config-if)#ip address 192.168.2.1 255.255.255.0Actualtests.com - The Power of Knowing640-802With this configuration, the switch can connect to the router's FastEthernet Interface bytrunking, so one port of switch can carry the information of multiple VLANs.QUESTION 232:The Certkiller Network consists of a router, switch, and hub as shown below:In accordance with the above diagram; which of the statements below correctlydescribe the switch port configuration and the router port configurations? (Selectthree answer choices)A.
The Certkiller 1 WAN port is configured as a trunking port.B. The Certkiller 1 port connected to Switch1 is configured using subinterfaces.C. The Certkiller 1 port connected to Switch1 is configured as 10 Mbps.D. The Switch1 port connected to Certkiller 1 is configured as a trunking port.E. The Switch1 port connected to Host B is configured as an access port.F. The switch1 port connected to Hub1 is configured as full duplex.Answer: B, D, EExplanation:B is correct because the diagram and the function match the description of a subinterface.Subinterfaces are needed because for inter-vlan communication, routing needs to takeplace.
D is correct because all 3 VLAN's are trunked to reach the router. E is correctbecause access ports are correct in this case.Incorrect Answers:A. This is incorrect because trunks only work between switches, and not between a routerand a WAN.C, F. Although these may be true, we are not given enough information in this diagram toconfirm it.QUESTION 233:Actualtests.com - The Power of Knowing640-802A Certkiller router is configured as shown in the graphic above. The switch isconnected to the router over a VLAN trunk.
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