VOIP is being implemented in the Company network and you need to assess the need for QoS.   Which of the following network problems would indicate a need to implement QoS features？（）A、Mis-routed packets  B、Excess jitterC、Delay of critical trafficD、Packet

题目

VOIP is being implemented in the Company network and you need to assess the need for QoS.   Which of the following network problems would indicate a need to implement QoS features？（）

  • A、Mis-routed packets  
  • B、Excess jitter
  • C、Delay of critical traffic
  • D、Packet loss due to congestion
  • E、Data link layer broadcast storms
  • F、FTP connections unsuccessful
相似考题

1.Which of the following devices would need to be configured to block specific ports and protocols from entering the network?()A. BridgeB. FirewallC. Port replicatorD. Gateway

2.You are a network administrator and you need to implement a routing protocol onyour network that provides:* Scalability* VLSM support* Minimal overhead* Support for connecting networks using routers of multiple vendorsWhich of the following routing protocol would best serve your needs?（）A. VTPB. RIP version 1C. EIGRPD. OSPFE. IGRPF. CDP

3. You need to troubleshoot some problems in the Company VOIP network associated with jitter.   What is the cause of jitter？  （）A、 Packet dropsB、 Transmitting too many small packetsC、 Variable queue delaysD、 CompressionE、 None of the other alternatives apply

4.You are an administrator of a switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in your network. However, you need to share the VLAN information across numerous switches throughout your network.Which of the following would allow you accomplish this?（）A.STPB.GVRPC.SNMPD.VTPE.DHCP

更多“VOIP is being implemented in the Company network and you need to assess the need for QoS.   Which of the following network problems would indicate a need to implement QoS features？（）A、Mis-routed packets  B、Excess jitterC、Delay of critical trafficD、Packet ”相关问题

  • 第1题：

    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？ （）

    • A、 The SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.
    • B、 The SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， and video packets.
    • C、 The SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets.
    • D、 The SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.
    • E、 The SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets.
    • F、 The SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets.

    正确答案:A,E

  • 第2题：

    You are a network administrator and you need to implement a routing protocol on your network that provides: * Scalability * VLSM support * Minimal overhead * Support for connecting networks using routers of multiple vendors Which of the following routing protocol would best serve your needs?（）

    • A、VTP
    • B、RIP version 1
    • C、EIGRP
    • D、OSPF
    • E、IGRP
    • F、CDP

    正确答案:D

  • 第3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4题：

    You need to configure a new Cisco router to be installed in the Company VOIP network.  Which  three interface commands will configure the switch port to support a connected Cisco phone and  to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached？ （）

    • A、switchport voice vlan vlan-id
    • B、mls qos trust device cisco-phone
    • C、switchport priority extend cos_value
    • D、mls qos trust cos
    • E、mls qos trust override cos

    正确答案:A,B,D

  • 第5题：

    Which of the following would a user MOST need for a home theater PC?（）

    • A、Liquid cooling
    • B、Network card
    • C、TV tuner card
    • D、CPU
    • E、RAM
    • F、Specialized audio card

    正确答案:C,F

  • 第6题：

    You need to identify the types of inbound traffic that should pass through the perimeter firewall while maintaining the security of the network. Which inbound traffic should be allowed?（）

    • A、VPN Traffic
    • B、DNS Traffic
    • C、LDAP Traffic
    • D、HTTP Traffic
    • E、HTTPS Traffic
    • F、Traffic from the network address of 192.168.10/24

    正确答案:A,C,D,E

  • 第7题：

    多选题
    VOIP is being implemented in the Company network and you need to assess the need for QoS.   Which of the following network problems would indicate a need to implement QoS features？（）
    A

    Mis-routed packets

    B

    Excess jitter

    C

    Delay of critical traffic

    D

    Packet loss due to congestion

    E

    Data link layer broadcast storms

    F

    FTP connections unsuccessful


    正确答案： D,E
    解析： 暂无解析

  • 第8题：

    单选题
    You are an administrator of a switched network and your goal is to reduce some of the administrative overhead on your network. You plan on achieving this by configuring a new VLAN for each department in your network. However, you need to share the VLAN information across numerous switches throughout your network. Which of the following would allow you accomplish this?（）
    A

    STP

    B

    GVRP

    C

    SNMP

    D

    VTP

    E

    DHCP


    正确答案： D
    解析： 暂无解析

  • 第9题：

    多选题
    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： B,D
    解析： 暂无解析

  • 第10题：

    多选题
    VOIP is being implemented in the network and you need to assess the need for QoS. Which of thefollowing network problems would indicate a need to implement QoS features？（）
    A

    Mis-routed packets

    B

    Excess jitter

    C

    Delay of critical traffic

    D

    Packet loss due to congestion

    E

    Data link layer broadcast storms

    F

    FTP connections unsuccessful


    正确答案： D,F
    解析： 暂无解析

  • 第11题：

    单选题
    You need to implement a high availability design in the Company routed network.  Which protocol  allows for the automatic selection and simultaneous use of multiple available gateways as well as  automatic failover between those gateways？（）
    A

     VRRP

    B

     GLBP

    C

     IRDP

    D

     HSRP

    E

     None of the other alternatives apply


    正确答案： C
    解析： 暂无解析

  • 第12题：

    多选题
    You need to determine where the trust boundaries will be in a new Company VOIP design.  Which  two statements are true about these trust boundaries？（）
    A

    Trust boundaries are configured in the core of the network to provide the most efficient  forwarding based upon QoS markings，

    B

    Setting trust boundaries at the edge of the network allows intermediate hop devices to  administer QoS policies without detailed packet identification.

    C

    Trust boundaries are used to determine which QoS mechanism will be applied to the traffic.

    D

    At the trust boundaries， the untrusted traffic will be marked with a new QoS value appropriate  for the policy in place at the point where the traffic entered the campus network.

    E

    Trust boundaries define the firewall rules for QoS admission into a network.


    正确答案： C,D
    解析： 暂无解析

  • 第13题：

    You need to implement a high availability design in the Company routed network.  Which protocol  allows for the automatic selection and simultaneous use of multiple available gateways as well as  automatic failover between those gateways？（）

    • A、 VRRP
    • B、 GLBP
    • C、 IRDP
    • D、 HSRP
    • E、 None of the other alternatives apply

    正确答案:B

  • 第14题：

    VOIP is being implemented in the network and you need to assess the need for QoS. Which of thefollowing network problems would indicate a need to implement QoS features？（）

    • A、Mis-routed packets
    • B、Excess jitter
    • C、Delay of critical traffic
    • D、Packet loss due to congestion
    • E、Data link layer broadcast storms
    • F、FTP connections unsuccessful

    正确答案:B,C,D

  • 第15题：

    You need to determine where the trust boundaries will be in a new Company VOIP design.  Which  two statements are true about these trust boundaries？（）

    • A、Trust boundaries are configured in the core of the network to provide the most efficient  forwarding based upon QoS markings，
    • B、Setting trust boundaries at the edge of the network allows intermediate hop devices to  administer QoS policies without detailed packet identification.
    • C、Trust boundaries are used to determine which QoS mechanism will be applied to the traffic.  
    • D、At the trust boundaries， the untrusted traffic will be marked with a new QoS value appropriate  for the policy in place at the point where the traffic entered the campus network.  
    • E、Trust boundaries define the firewall rules for QoS admission into a network.

    正确答案:B,D

  • 第16题：

    Which of the following would need to be implemented on a wireless router to allow network accessbased on a passphrase that the administrator would supply?（）

    • A、WPA-PSK encryption
    • B、SSID broadcast
    • C、Port forwarding
    • D、MAC filtering

    正确答案:A

  • 第17题：

    Which of the following devices would need to be configured to block specific ports and protocols from entering the network?（）

    • A、Bridge
    • B、Firewall
    • C、Port replicator
    • D、Gateway

    正确答案:B

  • 第18题：

    You are the network administrator for your company. The network contains 12 Windows Server 2003 computers and 300 Windows XP Professional computers. Three servers named Server4， Server5， and Server6 run a critical business application. When performing performance baselining on these three servers， you notice that Server6 has a larger number of concurrently connected users at any given moment than Server4 or Server5. The additional workload is causing performance problems on Server6. You need to identify which client computers are connecting to Server6.You plan to run Network Monitor on Server6 to capture all packets sent to Server6. The capture task must be configured to meet the following requirements.To reduce the size of the captured data， you want to capture only the packet headers.If a large number of packets are captured， the packets must be retained on the server. Captured packets must not overwrite previously captured packets.   Which two tasks should you perform to configure Network Monitor？（）

    • A、Configure the Network Monitor display filters.
    • B、Configure the Network Monitor capture filters.
    • C、Increase the Network Monitor buffer size setting.
    • D、Decrease the Network Monitor buffer size setting.
    • E、Increase the Network Monitor frame size setting.
    • F、Decrease the Network Monitor frame size setting.

    正确答案:C,F

  • 第19题：

    单选题
    You need to troubleshoot some problems in the Company VOIP network associated with jitter.   What is the cause of jitter？  （）
    A

     Packet drops

    B

     Transmitting too many small packets

    C

     Variable queue delays

    D

     Compression

    E

     None of the other alternatives apply


    正确答案： B
    解析： 暂无解析

  • 第20题：

    多选题
    You are the network administrator for your company. The network contains 12 Windows Server 2003 computers and 300 Windows XP Professional computers. Three servers named Server4， Server5， and Server6 run a critical business application. When performing performance baselining on these three servers， you notice that Server6 has a larger number of concurrently connected users at any given moment than Server4 or Server5. The additional workload is causing performance problems on Server6. You need to identify which client computers are connecting to Server6.You plan to run Network Monitor on Server6 to capture all packets sent to Server6. The capture task must be configured to meet the following requirements.To reduce the size of the captured data， you want to capture only the packet headers.If a large number of packets are captured， the packets must be retained on the server. Captured packets must not overwrite previously captured packets.   Which two tasks should you perform to configure Network Monitor？（）
    A

    Configure the Network Monitor display filters.

    B

    Configure the Network Monitor capture filters.

    C

    Increase the Network Monitor buffer size setting.

    D

    Decrease the Network Monitor buffer size setting.

    E

    Increase the Network Monitor frame size setting.

    F

    Decrease the Network Monitor frame size setting.


    正确答案： C,D
    解析： 暂无解析

  • 第21题：

    多选题
    You need to configure a new Cisco router to be installed in the Company VOIP network.  Which  three interface commands will configure the switch port to support a connected Cisco phone and  to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached？ （）
    A

    switchport voice vlan vlan-id

    B

    mls qos trust device cisco-phone

    C

    switchport priority extend cos_value

    D

    mls qos trust cos

    E

    mls qos trust override cos


    正确答案： C,A
    解析： 暂无解析

  • 第22题：

    单选题
    You are a network administrator and you need to implement a routing protocol on your network that provides: * Scalability * VLSM support * Minimal overhead * Support for connecting networks using routers of multiple vendors Which of the following routing protocol would best serve your needs?（）
    A

    VTP

    B

    RIP version 1

    C

    EIGRP

    D

    OSPF

    E

    IGRP

    F

    CDP


    正确答案： A
    解析： 暂无解析

  • 第23题：

    多选题
    Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？ （）
    A

    The SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.

    B

    The SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， and video packets.

    C

    The SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets.

    D

    The SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.

    E

    The SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets.

    F

    The SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets.


    正确答案： E,A
    解析： 暂无解析

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