During voice implementation，  which two required items are configured at an access layer switch connected to an IP phone to provide VoIP communication？（）A、allowed codecsB、native VLANC、auxiliary VLAND、Cisco Unified Communications Manager IP addressE、RSTP

题目

During voice implementation，  which two required items are configured at an access layer switch connected to an IP phone to provide VoIP communication？（）

  • A、allowed codecs
  • B、native VLAN
  • C、auxiliary VLAN
  • D、Cisco Unified Communications Manager IP address
  • E、RSTP
相似考题

1.Use active voice rather than passive voice in your personal statement.()

2.You have a good voice.（）AThank youBNot at all CJust so soDMy voice isn't good

3.Which three statements are true about the data traffic characteristics of voice traffic？ （）A、latency must be kept below 150 msB、latency is not a concern as long as jitter is kept below 30 msC、voice packets do not require a specific type of queuingD、voice packets are rather smallE、voice packets require TCP for rapid retransmission of dropped packetsF、voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload

4.Refertotheexhibit.TheLC&FSoftballLeagueisestablishingvoice-mailgroupstomoreefficientlysendmessagesforraindelaysandotherimportantmatters.IftheorganizationcheckstheIntegratedMessagingbox,membersofthisgroupwillbeallowedwhatIMAP-enabledprivilege?（）A.e-mailandvoice-mailmessageintegrationB.voice-mailandinstantmessageintegrationC.email，voice-mailandinstantmessageintegrationD.voice-mailmessagesmaybesentbyemailE.voice-mailmessagesmaybereceivedbyemail

更多“During voice implemen”相关问题

  • 第1题：

    Which two statements about voice VLANs are correct？（）

    • A、Voice VLANs eliminate the need for QoS configuration
    • B、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markings
    • C、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the network
    • D、Voice VLANs can be configured to forward existing CoS priorities or override them
    • E、Voice VLANs are mainly used between access layer switches and distribution layer switches
    • F、Voice VLANs can be configured on Layer 2 ports only

    正确答案:D,F

  • 第2题：

    Which two statements are true about voice packets in a LAN？ （Choose two.）  （）

    • A、 Voice traffic data flow involves large volumes of large packets.
    • B、 Because a packet loss involves a small amount of data， voice traffic is less affected by packet losses than traditional data traffic is.
    • C、 Voice carrier stream utilizes Real-Time Transport Protocol （RTP） to carry the audio/media portion of VoIP communication.
    • D、 Voice packets are very sensitive to delay and jitter.
    • E、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.

    正确答案:C,D

  • 第3题：

    You have configured voice VLANs on Catalyst switch R1.  Which two statements are true about the  operation of voice VLANs on this device？ （）

    • A、 When the voice VLAN feature is enabled， all untagged traffic is sent according to the default  CoS priority of the port.
    • B、 Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a  port.
    • C、 When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
    • D、 Voice VLANs are configured to enable the switch to forward frames marked with the proper  CoS values over separate physical links.
    • E、 Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.

    正确答案:A,E

  • 第4题：

    VOIP has been implemented at the main office of the Company network. Which two statements  are true about voice packets in a LAN？（）

    • A、 Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media  portion of the VoIP communication.  
    • B、 Voice traffic data flow involves large volumes of large packets.  
    • C、 Because a packet loss involves a small amount of data, voice traffic is less affected by packet  losses than traditional data traffic is.  
    • D、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during  delivery. 
    • E、 Voice packets are very sensitive to delay and jitter. 

    正确答案:A,E

  • 第5题：

    Which statement is true about voice VLANs？ （）

    • A、When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.
    • B、The voice VLAN feature is enabled by default.
    • C、The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.
    • D、The default CoS value is 1 for incoming voice and data traffic.

    正确答案:C

  • 第6题：

    Which two statements are true about network voice traffic？ （Choose two.）（）

    • A、 Voice traffic is affected more by link speed than FTP traffic is.
    • B、 Voice traffic is affected more by packet delays than FTP traffic is.
    • C、 Voice streams involve larger packet sizes than most TCP network traffic involves.
    • D、 Voice traffic is more sensitive to packet loss than TCP network traffic is.
    • E、 Voice traffic requires QOS mechanisms only in heavily loaded network segments.

    正确答案:B,D

  • 第7题：

    Which two statements correctly identify factors to consider when Configuring WAN QoS？（）

    • A、Voice Traffic uses Assured Forwarding
    • B、Voice Signaling traffic uses Assured Forwarding
    • C、Voice Signaling traffic uses priority queuing
    • D、Voice Traffic uses priority queuing
    • E、Voice signaling traffic should use priority queuing with Assured Forwarding

    正确答案:B,D

  • 第8题：

    单选题
    Which statement is true about the capabilities of a voice gateway router？（）
    A

    voice gateways with analog interfaces need a gatekeeper to convert analog signals into digital format before voice is encapsulated into IP packets

    B

    voice gateways need a gatekeeper to interconnect the VoIP networks the PSTN network

    C

    voice gateways with Cisco Unified CallManager Express （CME） can permanently act as a call agent for IP phones

    D

    voice gateways equipped with a DSP module can take the role of the call agent during WAN failure.


    正确答案： B
    解析： 暂无解析

  • 第9题：

    多选题
    Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls？（）
    A

    Increase the queue size of the voice class.

    B

    Guarantee bandwidth during congestion to the voice class with a bandwidth command.

    C

    Increase the tx-ring of the egress interface.

    D

    Implement LLQ for the voice class.

    E

    Decrease the rx-ring of the egress interface.

    F

    Decrease the queue size of the voice class.


    正确答案： D,F
    解析： 暂无解析

  • 第10题：

    单选题
    As an experienced network administrator, you are asked to troubleshoot a QoS problem. In which way might the Cisco NetFlow be helpful during the troubleshooting process?（）
    A

    NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements.

    B

    NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic.

    C

    NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing.

    D

    NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    What should you do when you need to answer a phone call during a performance?
    A

    Call back after the performance.

    B

    Answer it near the exit door.

    C

    Talk outside the door.

    D

    Speak in a low voice.


    正确答案： B
    解析：
    推理题。定位到短文第二段最后一句“you can leave quietly and let the others enjoy the performance”，你可以静悄悄地离开并且让其他人继续享受音乐会，是为了不打扰别人看演出而悄悄离开，选项C属于同义转述。A、B、D项在文中均缺少依据。

  • 第12题：

    单选题
    Which statement is true about voice VLANs？ （）
    A

    When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.

    B

    The voice VLAN feature is enabled by default.

    C

    The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.

    D

    The default CoS value is 1 for incoming voice and data traffic.


    正确答案： C
    解析： 暂无解析

  • 第13题：

    You have a good voice.（）

    • A、Thank you
    • B、Not at all  
    • C、Just so so
    • D、My voice isn't good

    正确答案:A

  • 第14题：

    What does the interface subcommand switchport voice vlan 222 indicate？（）

    • A、The port is configured for both data and voice traffic.
    • B、The port is fully dedicated to forwarding voice traffic.
    • C、The port will operate as an FXS telephony port.
    • D、Voice traffic will be redirected to VLAN 222.

    正确答案:A

  • 第15题：

    Which two statements are true about voice VLANs？（）

    • A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch ports
    • B、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phones
    • C、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phone
    • D、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration command
    • E、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the port
    • F、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings

    正确答案:C,D

  • 第16题：

    Which two statements are true about the configuration of voice VLANs？（）

    • A、Static secure MAC addresses can be configured in conjunction with voice VLANs.
    • B、PortFast is automatically enabled when voice VLANs are configured.
    • C、PortFast must be manually configured when voice VLANs are configured.
    • D、Voice VLANs are typically configured on uplink ports.
    • E、Voice VLANs are typically configured on access ports.

    正确答案:B,E

  • 第17题：

    Two sites are using a multisite centralized call processing model. The voice gateway on the remote branch has lost IP connectivity to its Cisco CallManager server. Which feature enables the remote gateway to take the role of the call agent during the WAN failure？ （）

    • A、automated alternate routing （AAR）
    • B、Cisco CallManager Attendant Console
    • C、real-time protocol （RTP）
    • D、Survivable Remote Site Telephony （SRST）

    正确答案:D

  • 第18题：

    When QoS levels in the Cisco Wireless Control System （WCS） are entered， which profile names are used to identify the access categories？（）

    • A、 platinum， gold， silver， and bronze
    • B、 voice， gold， silver， and bronze
    • C、 low delay， network critical， business， best effort
    • D、 voice， video， background gold， background silver， and best effort
    • E、 voice， video， best effort， and background
    • F、 voice， video， best effort， background， and scavenger

    正确答案:A

  • 第19题：

    Voice quality is bad due to high delay and jitter on a link. Which two actions will improve the quality  of voice calls？（）

    • A、Increase the queue size of the voice class.
    • B、Guarantee bandwidth during congestion to the voice class with a bandwidth command.
    • C、Increase the tx-ring of the egress interface.
    • D、Implement LLQ for the voice class.
    • E、Decrease the rx-ring of the egress interface.
    • F、Decrease the queue size of the voice class.

    正确答案:D,F

  • 第20题：

    单选题
    You have a good voice.（）
    A

    Thank you

    B

    Not at all  

    C

    Just so so

    D

    My voice isn't good


    正确答案： A
    解析： 暂无解析

  • 第21题：

    多选题
    During voice implementation，  which two required items are configured at an access layer switch connected to an IP phone to provide VoIP communication？（）
    A

    allowed codecs

    B

    native VLAN

    C

    auxiliary VLAN

    D

    Cisco Unified Communications Manager IP address

    E

    RSTP


    正确答案： D,C
    解析： 暂无解析

  • 第22题：

    多选题
    Which two statements are true about voice packets in a LAN？ （Choose two.）  （）
    A

    Voice traffic data flow involves large volumes of large packets.

    B

    Because a packet loss involves a small amount of data， voice traffic is less affected by packet losses than traditional data traffic is.

    C

    Voice carrier stream utilizes Real-Time Transport Protocol （RTP） to carry the audio/media portion of VoIP communication.

    D

    Voice packets are very sensitive to delay and jitter.

    E

    Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.


    正确答案： B,A
    解析： 暂无解析

  • 第23题：

    单选题
    Construction of a new automobile parts manufacturing facility has recently been completed. Thefacility IT manager wants to deploy voice over WLAN. During your initial walkthrough， you observenumerous highly reflective surfaces on the manufacturing equipment and in the buildingconstruction itself. What potential problem exists that should be accounted for during your sitesurvey？（）
    A

    LOS modulation

    B

    Multipath distortion

    C

    RF signal absorption

    D

    RF signal attenuation

    E

    Fresnel zone impedance


    正确答案： D
    解析： 暂无解析

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