更多“What amount of cell overlap ensures smooth roaming for wirel”相关问题
  • 第1题:

    What does locating mean? ()

    • A、Paging of a mobile in more than one cell
    • B、Best cell selection
    • C、Changing of cell parameters
    • D、Roaming
    • E、Tuning

    正确答案:B

  • 第2题:

    What will cause wireless voice devices to perform poorly?()

    • A、average signal strength that is greater than -67 dBi
    • B、cell overlap of 15 to 20 percent
    • C、uneven wireless coverage
    • D、absence of coverage holes

    正确答案:C

  • 第3题:

    SDM creates a low latency queuing (LLQ) service policy with its associated classes. What are the two types of low latency queuing available using the SDM QoS wizard?()

    • A、 FIFO queuing, which provides a means to hold packets while they are waiting to exit an interface
    • B、 Priority queuing, which ensures a fixed amount of bandwidth
    • C、 Custom queuing (CQ), which provides a queuing tool that services all queues, even during times of congestion
    • D、 Bandwidth queuing, which ensures a minimum amount of bandwidth
    • E、 Weighted fair queuing (WFQ), which classifies packets based on flows

    正确答案:B,D

  • 第4题:

    As a network administrator, can you tell me what the root guard feature provides in a bridgednetwork?()

    • A、It ensures that BPDUs sent by the root bridge are forwarded in a timely manner
    • B、It enforces the root bridge placement in the network
    • C、It ensures that all ports receiving BPDUs from the root bridge are in the forwarding state.
    • D、It ensures that the bridge is elected as root bridge in the network.

    正确答案:B

  • 第5题:

    You are troubleshooting a problem with a Cisco 7920 wireless IP phone that is causing the phone to drop calls. The problem appears to be a roaming bandwidth issue. In order to verify what kind ofissue it is, you decide to increase the bandwidth reserved for roaming on the WLAN controller to themaximum. What level do you set the bandwidth to?()

    • A、5 percent
    • B、15 percent
    • C、25 percent
    • D、35 percent

    正确答案:C

  • 第6题:

    What does the FREQ column show when running the tprof option? ()

    • A、Total amount of Ticks used by all users
    • B、Total amount of Ticks used by all processes
    • C、Total amount of Ticks used by a specific user
    • D、Total amount of Ticks used by a specific type of process

    正确答案:D

  • 第7题:

    Your network consists of a single Active Directory domain. All servers run Windows Server 2008 R2.   All client computers run Windows 7. Users store all of their files in their Documents folder. Many users store large files.   You plan to implement roaming user profiles for all users by using Group Policy.You need to recommend a solution that minimizes the amount of time it takes users to log on and log off of the computers that use the roaming user profiles. What should you recommend?()

    • A、Modify the Group Policy object (GPO) to include folder redirection.
    • B、Modify the Group Policy object (GPO) to include Background Intelligent Transfer Service (BITS) settings.
    • C、On the server that hosts the roaming user profiles, enable caching on the profiles share.  
    • D、On any server, install and configure the Background Intelligent Transfer Service (BITS) server  extensions.

    正确答案:A

  • 第8题:

    单选题
    What will cause wireless voice devices to perform poorly?()
    A

    average signal strength that is greater than -67 dBi

    B

    cell overlap of 15 to 20 percent

    C

    uneven wireless coverage

    D

    absence of coverage holes


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    You are the desktop administrator for Contoso, Ltd. A graphic designer named Peter saves all his files in the My Documents folder on his Window XP Professional computer. Peter now needs to work on several computers each day to complete his work. Peter needs to be able to access his files at any time. You implement a roaming user profile and a home directory for Peter. However, Peter reports that when he uses his roaming profile, it takes 10 minutes for him to log on to computers other than his own. You need to reduce the amount of time it takes for Peter to log on to computers when using his roaming profile. What should you do?()
    A

    Change the UNC path of Peter’s roaming profile to his home directory folder. 

    B

    Log on as a local administrator on Peter’s computer. Change the roaming profile to a local profile. 

    C

    Log on as a local administrator on Peter’s computer. Edit the local Group Policy to exclude Directories in Roaming Profile. 

    D

    Log on as a local administrator on Peter’s computer. In the properties of the My Documents folder, change the Target folder location to Peter’s home directory.


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Your network consists of an Active Directory domain. The domain controllers run Windows Server 2008 R2. Client computers run Windows 7.   You need to implement Encrypting File System (EFS) for all client computers. You want to achieve this goal while meeting the following requirements:   èYou must minimize the amount of data that is transferred across the network when a user logs on to or off from a client computer.   èUsers must be able to access their EFS certificates on any client computers. èIf a client computer s disk fails, EFS certificates must be accessible    What should you do?()
    A

    Enable credential roaming.

    B

    Enable roaming user profiles.

    C

    Enable a Data Recovery Agent.

    D

    Issue smart cards to all users.


    正确答案: A
    解析: 暂无解析

  • 第11题:

    单选题
    What is the minimum recommended access point overlap for voice roaming?()
    A

    less than 10 percent

    B

    10 to 15 percent

    C

    15 to 20 percent

    D

    25 to 30 percent


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    You are troubleshooting a problem with a Cisco 7920 wireless IP phone that is causing the phoneto drop calls. The problem appears to be a roaming bandwidth issue. In order to verify what kind ofissue it is, you decide to increase the bandwidth reserved for roaming on the WLAN controller tothe maximum. What level do you set the bandwidth to?()
    A

    25 percent

    B

    15 percent

    C

    5 percent

    D

    35 percent


    正确答案: D
    解析: 暂无解析

  • 第13题:

    What is system balance? ()

    • A、Each cell can handle the same amount of subscribers
    • B、The network is dimensioned for all mobile classes
    • C、All cells are of the same size
    • D、All BTSs use the same output power
    • E、Uplink and downlink coverage is the same

    正确答案:E

  • 第14题:

    On a WLAN controller, what is the default roaming bandwidth percentage reserved for voice clients?()

    • A、6 percent
    • B、12 percent
    • C、18 percent
    • D、24 percent

    正确答案:A

  • 第15题:

    When using WMM Call Admission Control, what are the default bandwidth values for video on802.11a/n()?

    • A、Max RF bandwidth is 75 percent, reserved roaming bandwidth is 6 percent.
    • B、Max RF bandwidth is 50 percent, reserved roaming bandwidth is 10 percent.
    • C、Max RF bandwidth is 50 percent, reserved roaming bandwidth is 15 percent.
    • D、Max RF bandwidth is 0 percent, reserved roaming bandwidth is 0.

    正确答案:D

  • 第16题:

    What ensures that voice packets are given priority throughout the network so that conversations arrive intact?()

    • A、QoS
    • B、Centrex
    • C、Packet encryption
    • D、Intelligent call routing

    正确答案:A

  • 第17题:

    To provide efficient roaming between the cells, which percent of cell overlap is recommended for2.4 GHz and 5 GHz access points?()

    • A、5 to 10 percent for both 2.4 GHz and 5 GHz
    • B、10 percent for both 2.4 GHz and 5 GHz
    • C、20 percent for 2.4 GHz and 15 to 20 percent for 5 GHz
    • D、20 percent for 2.5 GHz and 10 percent for 5 GHz

    正确答案:C

  • 第18题:

    You need to recommend a solution for storing user documents. What should you include in the recommendation?()

    • A、folder redirection
    • B、home folders
    • C、mandatory user profiles
    • D、roaming user profiles

    正确答案:A

  • 第19题:

    单选题
    To provide efficient roaming between the cells, which percent of cell overlap is recommended for2.4 GHz and 5 GHz access points?()
    A

    5 to 10 percent for both 2.4 GHz and 5 GHz

    B

    10 percent for both 2.4 GHz and 5 GHz

    C

    20 percent for 2.4 GHz and 15 to 20 percent for 5 GHz

    D

    20 percent for 2.5 GHz and 10 percent for 5 GHz


    正确答案: C
    解析: 暂无解析

  • 第20题:

    单选题
    As a network administrator, can you tell me what the root guard feature provides in a bridgednetwork?()
    A

    It ensures that BPDUs sent by the root bridge are forwarded in a timely manner

    B

    It enforces the root bridge placement in the network

    C

    It ensures that all ports receiving BPDUs from the root bridge are in the forwarding state.

    D

    It ensures that the bridge is elected as root bridge in the network.


    正确答案: C
    解析: 暂无解析

  • 第21题:

    单选题
    Your network consists of a single Active Directory domain. All servers run Windows Server 2008 R2.   All client computers run Windows 7. Users store all of their files in their Documents folder. Many users store large files.   You plan to implement roaming user profiles for all users by using Group Policy.You need to recommend a solution that minimizes the amount of time it takes users to log on and log off of the computers that use the roaming user profiles. What should you recommend?()
    A

    Modify the Group Policy object (GPO) to include folder redirection.

    B

    Modify the Group Policy object (GPO) to include Background Intelligent Transfer Service (BITS) settings.

    C

    On the server that hosts the roaming user profiles, enable caching on the profiles share.  

    D

    On any server, install and configure the Background Intelligent Transfer Service (BITS) server  extensions.


    正确答案: B
    解析: 暂无解析

  • 第22题:

    单选题
    What amount of cell overlap ensures smooth roaming for wireless endpoints?()
    A

    5~10%

    B

    10 ~15%

    C

    15~20%

    D

    20~25%


    正确答案: D
    解析: 暂无解析

  • 第23题:

    单选题
    You are troubleshooting a problem with a Cisco 7920 wireless IP phone that is causing the phoneto drop calls. The problem appears to be roaming bandwidth issue. In order to verify what kind ofissue it is, you decide to increase the bandwidth reserve for roaming on the WLAN controller tomaximum. What level do you set the bandwidth to?()
    A

    5 percent

    B

    15 percent

    C

    25 percent

    D

    35 percent


    正确答案: B
    解析: 暂无解析

  • 第24题:

    多选题
    What are two design considerations for a WLAN to support voice?()
    A

    Packet loss is less than one percent.

    B

    Signal strength at cell edge is approximately -67 dBm.

    C

    End-to-end delay is less than 200 ms.

    D

    Cell overlap between APs is 50 percent.


    正确答案: D,B
    解析: 暂无解析