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NEW QUESTION 1
Which layer of the OSI model ensures that information sent from one system can be read by another system?

  • A. application layer
  • B. presentation layer
  • C. session layer
  • D. transport layer
  • E. network layer
  • F. data link layer
  • G. physical layer

Answer: B

NEW QUESTION 2
Refer to the exhibit. If switch SW2 was replaced with a router, which two effects would it have on the network? (Choose two.)
640-911 dumps exhibit

  • A. reduce the number of collision domains
  • B. increase the number of broadcast domains
  • C. increase the number of collision domains
  • D. reduce the number of broadcast domains
  • E. no change in collision domains

Answer: BE

NEW QUESTION 3
What network device is considered an invisible wire?

  • A. router
  • B. hub
  • C. switch
  • D. bridge

Answer: B

NEW QUESTION 4
HOTSPOT
640-911 dumps exhibit
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640-911 dumps exhibit

    Answer:

    Explanation: 640-911 dumps exhibit

    NEW QUESTION 5
    What is the result when two data transmissions are sent at the same time?

    • A. A collision occurs and both devices stop transmission and back off.
    • B. A collision occurs and one device retransmits.
    • C. All traffic continues to transmit.
    • D. A collision occurs and both devices resend transmissions.

    Answer: A

    NEW QUESTION 6
    What are three characteristics of the Ethernet access method CSMA/CD? (Choose three.)

    • A. It allows many stations access to the same wire.
    • B. It provides segmentation of a LAN.
    • C. It allows a transmitting station to detect activity on the wire.
    • D. It allows for detection of collisions on the wire.
    • E. It provides broadcast capability on the wire.

    Answer: ACD

    NEW QUESTION 7
    Which two options describe services that are provided by TCP? (Choose two.)

    • A. session multiplexing
    • B. EtherTypes identify destination services
    • C. connection-oriented
    • D. best-effort packet delivery
    • E. binary translation

    Answer: AC

    Explanation: "TCP is a connection-oriented protocol." http://www.diffen.com/difference/TCP_vs_UDP

    NEW QUESTION 8
    Which two options are groups of network protocols that are categorized into the following OSI layers: application, data link, network, and transport? (Choose two.)

    • A. FTP, LLDP, GRE, BGP
    • B. RDP, CDP, EIGRP, UDP
    • C. SSH, LLDP, ICMP, TCP
    • D. Telnet, ICMP, EIGRP, FTP

    Answer: BC

    NEW QUESTION 9
    What are three important factors when configuring VTP on the Cisco Nexus switching platform? (Choose three.)

    • A. VLAN 1 must be disabled on the trunk port in order for VTP to work properly.
    • B. The VDC administrator or network administrator must enable VTP on the device.
    • C. VTP is enabled on all trunk ports by default.
    • D. It does not matter which VDC you are working in when you configure VTP on the Cisco Nexus 7000.
    • E. For a device operating in VTP client mode, the password and domain name must be properly set.
    • F. In VTP server mode, the device will store VLAN information in bootflash.
    • G. Per device, VTP configuration is stored in a file named vtp.conf.
    • H. VTP pruning can be used on Cisco NX-OS devices.

    Answer: BFG

    NEW QUESTION 10
    Which two statements describe two benefits of a star topology compared to a mesh topology? (Choose two.)

    • A. New stations can be added quickly and easily.
    • B. Troubleshooting connectivity is easier.
    • C. There is not a single point of failure.
    • D. A single cable failure will not bring down the entire network.
    • E. It has the absolute least likelihood of having a collision

    Answer: AB

    NEW QUESTION 11
    Which two Cisco data center switches provide support for Virtual Extensible LAN and In- Service Software Upgrade and patching without any interruption in operation? (Choose two.)

    • A. Cisco Nexus 9396PX Switch
    • B. Cisco Nexus 5548 Switch
    • C. Cisco Nexus 9508 Switch
    • D. Cisco Nexus 6004 Switch
    • E. Cisco Nexus 3064x Switch

    Answer: AC

    NEW QUESTION 12
    Which protocol operates at Layer 3 of OSI model and is used for host addressing?

    • A. TCP
    • B. UDP
    • C. IP
    • D. RIP
    • E. OSPF

    Answer: C

    NEW QUESTION 13
    Which two options describe what can happen when devices are in the same broadcast domain? (Choose two.)

    • A. They are on the same VLAN and the same switch.
    • B. They are on different VLANs and the same switch.
    • C. They are on different VLANs and different switches.
    • D. They are on the same VLAN and different switches.

    Answer: AD

    NEW QUESTION 14
    What is the maximum allowable hop count for RIPv1?

    • A. 4
    • B. 8
    • C. 12
    • D. 15
    • E. 16

    Answer: D

    Explanation: "Without using RMTI, the hop count cannot exceed 15, otherwise it will be considered invalid."
    http://en.wikipedia.org/wiki/Routing_Information_Protocol

    NEW QUESTION 15
    An engineer must copy a new configuration to a Cisco Nexus 7010 Switch from a TFTP server. Which two commands should be used to retain the configuration after a reboot? (Choose two.)

    • A. write memory
    • B. copy running-config startup-config
    • C. copy tftp://10.10.1.1/my-config running-config
    • D. copy tftp://10.10.1.1/my-config startup-config
    • E. write erase

    Answer: BC

    NEW QUESTION 16
    Which two features must be licensed on a Cisco Nexus 7000 Switch? (Choose two.)

    • A. Layer 3
    • B. Virtual Device Contexts
    • C. Virtual Port Channel
    • D. Fibre Channel

    Answer: AB

    NEW QUESTION 17
    Which two options describe services that are provided by UDP? (Choose two.)

    • A. session multiplexing
    • B. segmentation
    • C. connection-oriented
    • D. reliable packet delivery
    • E. best-effort packet delivery

    Answer: AE

    Explanation: "UDP is faster because there is no error-checking for packets." http://www.diffen.com/difference/TCP_vs_UDP

    NEW QUESTION 18
    Which three terms are used to describe data at Layers 1, 2, and 4 of the OSI model? (Choose three.)

    • A. PDUs
    • B. Bits
    • C. Sequences
    • D. Segments
    • E. Packets
    • F. Frames

    Answer: BDF

    Explanation: Bits -1 layer Frames - 2 layer Segments - 4 layer
    http://en.wikipedia.org/wiki/OSI_model

    NEW QUESTION 19
    HOTSPOT
    640-911 dumps exhibit
    640-911 dumps exhibit
    640-911 dumps exhibit
    640-911 dumps exhibit

      Answer:

      Explanation: 640-911 dumps exhibit

      NEW QUESTION 20
      Which field in an Ethernet frame is used to verify that the received frame contains no errors?

      • A. FCS
      • B. type
      • C. preamble
      • D. segment
      • E. protocol

      Answer: A

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