• 思科认证题库

You are a systems administrator and you

[单选题]You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to y

  • 查看答案
  • After connecting a PC to an available po

    [单选题]A.fter connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What is the most likely cause for this problem?A.The

  • 查看答案
  • A Ezonexam technician is troubleshooting

    [单选题]A. Ezonexam technician is troubleshooting connectivity problems between two routers that are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the sho

  • 查看答案
  • Which of the following are types of flow

    [单选题]Which of the following are types of flow control? (Choose three)A.BufferingB.Cut-throughC.WindowingD.Congestion avoidanceE.Load balancing

  • 查看答案
  • You need to perform. some initial config

    [单选题]You need to perform. some initial configuration tasks on a new Ezonexam switch. What is the purpose of assigning an IP address to a switch?A.To provide local hosts with a default gateway addressB.To allow remote management of the switch.C.To allow th

  • 查看答案
  • Your network uses the172.12.0.0 class B

    [单选题]Your network uses the172.12.0.0 class B address. You need to support 459 hosts per subnet, while accommodating the maximum number of subnets. Which mask would you use?A.255.255.0.0.B.255.255.128.0.C.255.255.224.0.D.255.255.254.0.E.None of the above

  • 查看答案
  • Which type of cable should be used to ma

    [单选题]Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?A.Rollover cableB.Console cableC.Crossover cableD.Straight-through cableE.Serial cable

  • 查看答案
  • The IP network 210.106.14.0 is subnetted

    [单选题]The IP network 210.106.14.0 is subnetted using a /24 mask. How many usable networks and host addresses can be obtained from this?A.1 network with 254 hostsB.4 networks with 128 hostsC.2 networks with 24 hostsD.6 networks with 64 hostsE.8 networks wit

  • 查看答案
  • You have a class C network, and you need

    [单选题]You have a class C network, and you need to design it for 5 usable subnets with each subnet handling a minimum of 18 hosts each. Which of the following network masks should you use?A.225.225.224.0.B.225.225.240.0.C.225.225.255.0.D.255.255.255.224E.22

  • 查看答案
  • You need to configure a default route on

    [单选题]You need to configure a default route on a Ezonexam router. Which command will configure a default route on a router?A.VE1(config)# ip route 0.0.0.0 10.1.1.0 10.1.1.1B.VE1(config)# ip default-route 10.1.1.0C.VE1(config)# ip default-gateway 10.1.1.0D.

  • 查看答案
  • The Ezonexam network Topology is display

    [单选题]The Ezonexam network Topology is displayed in the exhibit below:A. switch has been configured for three different VLANs: VLAN 2, VLAN 3, and VLAN 4. For the purposes of communication between VLANs a router is to be added. Host from one VLAN should be

  • 查看答案
  • The 201.145.32.0 network is subnetted us

    [单选题]The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?A.4 networks and 64 hostsB.64 networks and 4 hostsC.4 networks and 62 hostsD.62 networks and 2 hostsE.6 network and 30 ho

  • 查看答案
  • How many usable IP addresses can you get

    [单选题]H.ow many usable IP addresses can you get from a conventional Class C address?A.128B.192C.254D.256E.510

  • 查看答案
  • What is the purpose of the Spanning Tree

    [单选题]What is the purpose of the Spanning Tree Protocol (STP)?A.To prevent routing loopsB.To create a default routeC.To provide multiple gateways for hostsD.To maintain a loop-free Layer 2 network topologyE.To enhance the functions of SNMP

  • 查看答案
  • On the topic of VLSM, which one of the f

    [单选题]On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?A.Deleting unusable addresses through the creation of many subnets.B.Combining routes to multiple networks into one supernet.C.Reclaiming

  • 查看答案
  • When you compare the differences between

    [单选题]When you compare the differences between half-duplex and full-duplex Ethernet, which of the following characteristics are exclusive to half-duplex? (Select two answer choices)A.Half-duplex Ethernet operates in a shared collision domain.B.Half-duplex

  • 查看答案
  • A Ezonexam switch is configured with all

    [单选题]A. Ezonexam switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?A.The additions will create more collisions

  • 查看答案
  • Which three statements are true about th

    [单选题]Which three statements are true about the operation of a full-duplex Ethernet network, which is being used in the Ezonexam LAN? (Choose three)A.Ethernet hub ports are preconfigured for full-duplex mode.B.The host network card and the switch port must

  • 查看答案
  • A new Ezonexam switch is installed into

    [单选题]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

  • 查看答案
  • You need to decide on which trunking met

    [单选题]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 exchang

  • 查看答案
  • The Ezonexam LAN is upgrading all device

    [单选题]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 wir

  • 查看答案
  • While troubleshooting a connectivity iss

    [单选题]While troubleshooting a connectivity issue from a PC you obtain the following information:Local PC IP address: 190.0.3.35/24D.efault 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

  • 查看答案
  • From where does a small network typicall

    [单选题]F.rom 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 Arch

  • 查看答案
  • What are two characteristics of "store a

    [单选题]What are two characteristics of "store and forward" switching? (Select two answer choices)A.Latency fluctuates regardless of frame. size.B.The switch receives the complete frame. before beginning to forward it.C.Latency through the switch varies wi

  • 查看答案
  • You want to upgrade the Ezonexam LAN so

    [单选题]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 provi

  • 查看答案
  • Two stations on the Ezonexam LAN transmi

    [单选题]Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network? (Choose all that apply)A.Each device on the Ethernet segment stops transmitting for a short time.B.A jam signal

  • 查看答案
  • There are 2 switches in the Ezonexam LAN

    [单选题]There are 2 switches in the Ezonexam LAN, with no routers. Ports 1, 2 & 3 are assigned to VLAN 1 in switch 1 and 2 and ports 4, 5 & 6 are assigned to VLAN 2 in both switches. These two switches are connected together via a trunked link. Which

  • 查看答案
  • After working all night and successfully

    [单选题]A.fter 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

  • 查看答案
  • Regarding the extended ping command; whi

    [单选题]Regarding the extended ping command; which of the statements below are true?(Select all valid answer choices)A.The extended ping command is supported from user EXEC mode.B.The extended ping command is available from privileged EXEC mode.C.With the ex

  • 查看答案
  • You have just purchased a brand new rout

    [单选题]You have just purchased a brand new router and wish to have the router prompt you through the initial configuration commands. Which router mode does this describe?A.ROM Monitor modeB.SETUP modeC.Autoflash modeD.RXBOOT modeE.None of the above

  • 查看答案
  •  1 2 3 4 5 6 7 8 下一页 尾页