多选题Which of the following features would BEST be used to optimize real-time voice and video chat?（）(Select TWO)ALoad balancingBCaching enginesCQosDFault tolerance systemsETraffic shaping

题目
多选题
Which of the following features would BEST be used to optimize real-time voice and video chat?（）(Select TWO)
A

Load balancing

B

Caching engines

C

Qos

D

Fault tolerance systems

E

Traffic shaping

相似考题

1.Which of the following would be used to optimize network performance and increase bandwidth availability?()A. Packet analysisB. QoSC. Traffic shapingD. Fault tolerance

2.Which of the following ports are used by default for web servers? ()(Select TWO)A.80B.110C.123D.143E.443

3.Which of the following network topologies BEST describes a VPN? ()(Select TWO)A. Point to PointB. Point to MultipointC. VLAND. RingE. Bus

4.Which of the following features would BEST be used to optimize real－time voice and video chat?()(Select TWO)A. Load balancingB. Caching enginesC. QosD. Fault tolerance systemsE. Traffic shaping

更多“多选题Which of the following features would BEST be used to optimize real-time voice and video chat?（）(Select TWO)ALoad balancingBCaching enginesCQosDFault tolerance systemsETraffic shaping”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：

    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， voice signaling， and video packets
    • B、the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， 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3题：

    Which of the following RAID levels would be appropriate given two drives and a need for fault tolerance？（）

    • A、RAID 0
    • B、RAID 1
    • C、RAID 5
    • D、RAID 10

    正确答案:B

  • 第4题：

    Which of the following network topologies BEST describes a VPN? （）(Select TWO)

    • A、Point to Point
    • B、Point to Multipoint
    • C、VLAN
    • D、Ring
    • E、Bus

    正确答案:A,B

  • 第5题：

    Which of the following features would BEST be used to optimize real-time voice and video chat?（）(Select TWO)

    • A、Load balancing
    • B、Caching engines
    • C、Qos
    • D、Fault tolerance systems
    • E、Traffic shaping

    正确答案:C,E

  • 第6题：

    Which of the following features does SNMPv3 have over previous versions when remotely monitoring networking devices? （）(Select TWO).

    • A、Trap receivers
    • B、HTTPS
    • C、Authentication
    • D、Privacy
    • E、Availability

    正确答案:C,D

  • 第7题：

    多选题
    Which of the following features would BEST be used to optimize real-time voice and video chat?（）(Select TWO)
    A

    Load balancing

    B

    Caching engines

    C

    Qos

    D

    Fault tolerance systems

    E

    Traffic shaping


    正确答案： A,B
    解析： 暂无解析

  • 第8题：

    多选题
    Which of the following features does SNMPv3 have over previous versions when remotely monitoring networking devices? （）(Select TWO).
    A

    Trap receivers

    B

    HTTPS

    C

    Authentication

    D

    Privacy

    E

    Availability


    正确答案： A,D
    解析： 暂无解析

  • 第9题：

    多选题
    Which of the following network topologies BEST describes a VPN? （）(Select TWO)
    A

    Point to Point

    B

    Point to Multipoint

    C

    VLAN

    D

    Ring

    E

    Bus


    正确答案： C,D
    解析： 暂无解析

  • 第10题：

    多选题
    Which of the following ports are used by default for web servers? （）(Select TWO)
    A

    80

    B

    110

    C

    123

    D

    143

    E

    443


    正确答案： D,E
    解析： 暂无解析

  • 第11题：

    单选题
    Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）
    A

     gold， silver， bronze， and platinum

    B

     platinum， gold， silver， and bronze

    C

     titanium， gold， silver， and bronze

    D

     voice and video， best effort， background， and scavenger

    E

     voice， video， best effort， and background

    F

     voice， video， best effort， and scavenger


    正确答案： F
    解析： 暂无解析

  • 第12题：

    单选题
    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： B
    解析： 暂无解析

  • 第13题：

    Which set of classes correctly identifies the four traffic classes， from highest priority to lowest priority， specified in the 802.11e standard？（）

    • A、 gold， silver， bronze， and platinum
    • B、 platinum， gold， silver， and bronze
    • C、 titanium， gold， silver， and bronze
    • D、 voice and video， best effort， background， and scavenger
    • E、 voice， video， best effort， and background
    • F、 voice， video， best effort， and scavenger

    正确答案:E

  • 第14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15题：

    Which of the following would be used to optimize network performance and increase bandwidth availability?（）

    • A、Packet analysis
    • B、QoS
    • C、Traffic shaping
    • D、Fault tolerance

    正确答案:C

  • 第16题：

    A work order states that a customer used Windows updates and after rebooting the computer， the video driver was corrupted and the computer was in safe mode. Which of the following would be the BEST action to take？（）

    • A、Download and install the correct video driver from the manufacturer’s web site.
    • B、Remove the video driver and reboot the computer.
    • C、Use the Driver Roll Back feature in Device Manager.
    • D、Go back to Windows update and specify the correct video driver.

    正确答案:C

  • 第17题：

    Which of the following would BEST optimize a computer that is heavily used? （）

    • A、Scandisk
    • B、Defrag
    • C、Indexing
    • D、Chkdsk

    正确答案:B

  • 第18题：

    An AIX system， which is running a database， is having performance issues with I/O writing.  The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance.  To set these numbers， which of the following commands would be used？（）

    • A、 perfmon -h 30 -l 25
    • B、 chdev
    • C、 no -o
    • D、 smit chgsys

    正确答案:D

  • 第19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， voice signaling， and video packets

    B

    the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， 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
    解析： 暂无解析

  • 第20题：

    单选题
    A second network card in a server that activates if the primary card fails is an example of which of the following network performance optimization？（）
    A

    Load balancing

    B

    QoS

    C

    High availability

    D

    Fault tolerance


    正确答案： B
    解析： 暂无解析

  • 第21题：

    多选题
    Which of the following multimeter settings should only be used when there is no electrical flow through the part being tested? （）(Select TWO).
    A

    Ampere

    B

    Continuity

    C

    Volt

    D

    Resistance

    E

    Wattage


    正确答案： A,D
    解析： 暂无解析

  • 第22题：

    多选题
    Which of the following wireless standards can be used to avoid the 2.4GHz range?（） (Select TWO).
    A

    802.11g

    B

    802.1X

    C

    802.11b

    D

    802.1n

    E

    802.11a


    正确答案： A,E
    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

  • 第24题：

    单选题
    An AIX system， which is running a database， is having performance issues with I/O writing.  The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance.  To set these numbers， which of the following commands would be used？（）
    A

     perfmon -h 30 -l 25

    B

     chdev

    C

     no -o

    D

     smit chgsys


    正确答案： C
    解析： 暂无解析

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