What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）

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  A .  codec B .  link speed C .  Layer 2 encapsulation D .  packet overhead （IP/UDP/RTP） E .  link delay F .  total number of simultaneous calls that are allowed

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• What are three traffic descriptors typically used to categorize traffic into different classes？（）

  A . IP precedence B . media type C . DSCP D . outgoing interface E . incoming interface F . DLCI

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• What three in combination are factors that can cause four-wave mixing in fiber-optic cables？（）

  A .  low optical powe B .  high optical power C .  few optical channels D .  many optical channels E .  low chromatic dispersion F .  high chromatic dispersion G .  too much power differential in the optical channel

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• What are three methods that may be use d to allow a switch to determine which ports to forward IP multicast messages to?（）

  A . IGMP B . IGMP snooping C . PIM D . CGMP E . static assignment F . CDP

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• What are the three things that the Netflow uses to consider the traffic to be in a same flow ?（）

  A . IP address B . Interface name C . Port numbers D . L3 protocol type E . mac addre

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• What are three of the fields used in defining a CSQ in IPCC Express Enhanced?（）

  A . WrapUp Time   B . Service Level   C . Overflow CSQ   D . Agent Name   E . Automatic Work   F . CRS Applicatio

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• What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)

  A . fiber dispersion B . signal attenuation C . transmitter power D . amplifier bandwidth E . receiver dispersion tolerance

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• What are three factors a network administrator must consider before implementing Netflow in the network?（）

  A . CPU utilization B . where Netflow data will be sent C . number of devices exporting Netflow data D . port availability E . SNMP version F . WAN encapsulatio

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• What are three uses for record groups?（）

  A . To pass data to a pop-up menu.  B . To populate a base table block.  C . To pass data to other form modules.  D . To pass data to other Oracle products.  E . To dynamically construct SELECT statements.  F . To server as the source for a FROM clause query.&e

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• Small， medium， and large businesses today are increasingly using "Green" products within their IT Environments.  What are the most significant factors propelling this change？（）

  A . Government regulation and environmental effects B . Cost of power consumption and environment effects C . Government regulation and cost of power consumption D . Environmental effects and low cost of product

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• What are three relevant design considerations when using the 15216 EDFA？（）

  A .  dispersion B .  Optical SNR C .  span attenuation D .  four wave mixing E .  receiver sensitivity

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• What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)

  A . low optical power B . high optical power C . few optical channels D . many optical channels E . low chromatic dispersion F . high chromatic dispersion G . too much power differential in the optical channel

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• When implementing WLAN security， what are three benefits of using the Temporal Key Integrity Protocol （TKIP） instead of WEP？ （）

  A .  TKIP uses an advanced encryption scheme based on AES B .  TKIP provides authentication and integrity checking using Cipher Block Chaining Message Authentication Code （CBC-MAC） C .  TKIP provides per-packet keyingand a rekeying mechanism D .  TKIP provides message integrity check E .  TKIP reduces WEP’s vulnerabilities byusing different hardware encryption chipset F .  TKIP uses a 48 bit InitializationVector

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• What are three functions of the Cisco wireless LAN controller，  which is being used in the Company  Centralized WLAN solution network？ （）

  A .  Authentication   B .  Mobility C .  Security management D .  Transmission of beacon frames E .  Real-time portions of MAC management F .  Real-time aspects of the 802.11 prtocol management G .  SNMP collectio

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• What are three traffic descriptors that are used by the classification process to categorize packets that require special OoS handling？（）

  A . Resource Reservation Protocol （RSVP） B . IP precedence C . traffic shaping D . trust boundaries E . DSCP F . applicatio

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• For delay sensitive traffic， what are the three best ways that are used to prevent packet loss？ （）

  A .  Compress payload. B .  Use header compression. C .  Increase link capacity. D .  Use random early detection. E .  Guarantee bandwidth to fragile flows. F .  Implement network-based application recognition.

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• In mid-ocean，the characteristics of a wave are determined by three factors. What is NOT one of these factors?（）

  A . Effect of the moon's gravity B . Fetch C . Wind velocity D . Length of time a wind has been blowing

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• What are three current business factors that are influencing customer decisions in making technology investments?（）

  A . number of product features B . return on investment C . competitiveness D . regulation E . day one costs F . availability of budget

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• What are three benefits of using ASM？（） 

  A .  Ease of disk administration and maintenance B .  Load balancing across physical disks C .  Software RAID-1 data redundancy with double or triple mirrors D .  Automatic recovery of failed disk

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• What are three factors that limit the maximum distance of an amplified optical signal without regeneration？ （）

  A .  fiber dispersion B .  signal attenuation C .  transmitter power D .  amplifier bandwidth E .  receiver dispersion tolerance

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• What are three relevant design considerations when using the 15216 EDFA? （）(Choose three.)

  A . dispersion B . Optical SNR C . span attenuation D . four wave mixing E . receiver sensitivity

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• What are three synonyms for the word “say” (use a thesaurus)?

  A、2341 B、1234 C、3214 D、4321

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• 118. In mid-ocean, the characteristics of a wave are determined by three factors. What is NOT one of these factors?

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