单选题Using the G.729 codec and the default cRTP configuration, what is the approximate VoIP bandwidth savings across a Frame Relay link that adds a 6 byte frame header?"()A55%B58%C60%D63%

题目
单选题
Using the G.729 codec and the default cRTP configuration, what is the approximate VoIP bandwidth savings across a Frame Relay link that adds a 6 byte frame header?"()
A

 55%

B

 58%

C

 60%

D

 63%


相似考题
更多“Using the G.729 codec and the default cRTP configuration, wh”相关问题
  • 第1题:

    An engineer is preparing an implementation plan in which the configuration needs to influence BGP‘s choice of best path.Which of the following is least likely to be used by the configuration in this imple mentation plan?()

    A. Weight

    B. Origin code

    C. AS_Path

    D. Local_Pref


    参考答案:B

  • 第2题:

    When analog signals are digitized using the G.711 codec, voice samples are encapsulated into protocol data units (PDUs) involving which three headers? ()

    • A、IP
    • B、TCP
    • C、RTP
    • D、UDP
    • E、H323
    • F、CRTP

    正确答案:A,C,D

  • 第3题:

    Using the G.729 codec and the default cRTP configuration, what is the approximate VoIP bandwidth savings across a Frame Relay link that adds a 6 byte frame header?"()

    • A、 55%
    • B、 58%
    • C、 60%
    • D、 63%

    正确答案:B

  • 第4题:

    An engineer is preparing an implementation plan in which the configuration needs to influence BGP's choice of best path. Which of the following is least likely to be used by the configuration in this imple mentation plan?()

    • A、Weight
    • B、Origin code
    • C、AS_Path
    • D、Local_Pref

    正确答案:B

  • 第5题:

    After an unsuccessful synchronization or DARE update, which copy of the HACMP ODM remains  To prevent further changes from being made?()  

    • A、 The ’Default’ configuration directory
    • B、 The ’Active’ configuration directory
    • C、 The ’Staging’ configuration directory
    • D、 The ’Snapshot’ configuration directory

    正确答案:C

  • 第6题:

    You are configuring the DX appliance for the first time using the console. Which two configurationvalues can be set using the first time configuration screen?() (Choose two.)

    • A、the user role
    • B、the ether0 IP address
    • C、the default route for this DX appliance
    • D、the address of a network TFTP server

    正确答案:B,C

  • 第7题:

    You are required to remove the default EXTPROC entry from the default listener configuration to create a listener that will listen specifically for EXTPROC calls. Which two methods can you use to remove the default EXTPROC entry from the default listener configuration? ()

    • A、 the RMAN utility
    • B、 the import/export utility
    • C、 the Oracle Enterprise Manager
    • D、 the change tracking feature
    • E、 the Net Manager utility

    正确答案:C,E

  • 第8题:

    单选题
    When configuring an interface using SMIT and Further Configuration with an IP address and netmask, which of the following outcomes indicates how the routing tables will be affected?()
    A

    A subnet route is automatically added

    B

    A default route is automatically added

    C

    All other routes are automatically added

    D

    The routing table is not affected


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    What is one configuration method for loading a factory default configuration onto a J-series router?()
    A

    load override reset

    B

    load factory-default

    C

    rollback factory-default

    D

    request system factory-default


    正确答案: A
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements are true regarding rescue configurations?()
    A

    Once saved, a rescue configuration is loaded using the rollback 0 command.

    B

    The rescue configuration must contain the minimal elements necessary to restore network connectivity.

    C

    A minimal rescue configuration is defined by default.

    D

    A rescue configuration must include a root password.


    正确答案: B,D
    解析: 暂无解析

  • 第11题:

    单选题
    You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5.  An exception management framework is not used in the Web application. You need to ensure thatthe application log the unhandled exceptions automatically to the event log. You need to configurethe Web.config file to accomplish this. Identify the configuration that will assist you in thisscenario?()
    A

    You should consider using the <healthMonitoring enabled=true/> configuration.

    B

    You should consider using the <deployment retail=true/> configuration.

    C

    You should consider using the <customErrors mode=On/> configuration.

    D

    You should consider using the <trace enabled=true/> configuration.


    正确答案: D
    解析: 暂无解析

  • 第12题:

    多选题
    When resetting a Catalyst Express switch to factory default settings, which three options are available from the Software Recovery window?()
    A

    Boot to a password recovery window

    B

    Boot with the factory default image

    C

    Erase the system configuration and boot with the factory default IOS image

    D

    Erase the system configuration and boot from a TFTP-supplied IOS image

    E

    Erase the System Configuration


    正确答案: D,E
    解析: 暂无解析

  • 第13题:

    WhenanalogsignalsaredigitizedusingtheG.711codec,voicesamplesareencapsulatedintoprotocoldataunits(PDUs)involvingwhichthreeheaders?()

    A.IP

    B.TCP

    C.RTP

    D.UDP

    E.H323

    F.CRTP


    参考答案:A, C, D

  • 第14题:

    Enterprise Router R1 connects an Enterprise to the Internet. R1 needs to create and advertise a default route into the Enterprise using EIGRP. The engineer creating the implementation plan has chosen to base this default route on the ip route command, rather than using i p default - network. Which of the following is not a useful step with this style of default route configuration?()

    • A、Create the default route on R1 using the ip route 0.0.0.0 0.0.0.0 outgoinginterface command.
    • B、Redistribute the statically configured defa ult route.
    • C、Disable auto - summary.
    • D、Configure the network 0.0.0.0 command.
    • E、Ensure R1 has no manually configured summary routes using the ip summary- address eigrp command.

    正确答案:C,E

  • 第15题:

    A system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from SwitchA failed. Which statement is true?()

    • A、Executing password recovery is required.
    • B、The virtual terminal lines are misconfigured.
    • C、Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
    • D、Power cycle of NewSwitch will return it to a default configuration.

    正确答案:B

  • 第16题:

    What is the payload size of a wireless IP phone in a call using G.711 codec?()

    • A、20 bytes
    • B、60 bytes
    • C、120 bytes
    • D、160 bytes

    正确答案:D

  • 第17题:

    When configuring an interface using SMIT and Further Configuration with an IP address and netmask, which of the following outcomes indicates how the routing tables will be affected?()

    • A、A subnet route is automatically added
    • B、A default route is automatically added
    • C、All other routes are automatically added
    • D、The routing table is not affected

    正确答案:A

  • 第18题:

    Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.()

    • A、Backup retention policy
    • B、Default backup device type
    • C、Default destinations for backups
    • D、Multiple backup device types for single backup
    • E、Default section size for backups

    正确答案:A,B,C

  • 第19题:

    Identify the persistent configuration setting for the target database that can be set for the backup by using RMAN.() (Choose all that apply.)

    • A、Backup retention policy
    • B、Default backup device type
    • C、Default destinations for backups
    • D、Multiple backup device types for single backup
    • E、Default section size for backups

    正确答案:A,B,C

  • 第20题:

    多选题
    You are configuring the DX appliance for the first time using the console. Which two configurationvalues can be set using the first time configuration screen?() (Choose two.)
    A

    the user role

    B

    the ether0 IP address

    C

    the default route for this DX appliance

    D

    the address of a network TFTP server


    正确答案: B,C
    解析: 暂无解析

  • 第21题:

    多选题
    By default, each port in a Cisco Catalyst switch is assigned to VLAN1. Which two recommendations are key to avoid unauthorized management access?()
    A

    Create an additional ACL to block the access to VLAN 1.

    B

    Move the management VLAN to something other than default.

    C

    Move all ports to another VLAN and deactivate the default VLAN.

    D

    Limit the access in the switch using port security configuration.

    E

    Use static VLAN in trunks and access ports to restrict connections.

    F

    Shutdown all unused ports in the Catalyst switch.


    正确答案: B,F
    解析: 暂无解析

  • 第22题:

    多选题
    You are required to remove the default EXTPROC entry from the default listener configuration to create a listener that will listen specifically for EXTPROC calls. Which two methods can you use to remove the default EXTPROC entry from the default listener configuration? ()
    A

    the RMAN utility

    B

    the import/export utility

    C

    the Oracle Enterprise Manager

    D

    the change tracking feature

    E

    the Net Manager utility


    正确答案: D,A
    解析: 暂无解析

  • 第23题:

    单选题
    You adjust a default configuration to the following /etc/my.cnf on a Linux installation:[mysqld] Loq-bin Binrylog_format=ROW You do not notice the spelling error in binrylog_format and restart your production server. How does the MySQL server behave with incorrectly spelled options?()
    A

    Mysqld uses internal configuration versioning and reverts to the previous configuration

    B

    When using mysql_config_editor for configuration adjustments, it detects incorrect syntax and typing mistakes

    C

    The mysqld_safe script skips the unknown variable and starts using the remaining configuration changes

    D

    Mysqld prints to the error log about an unknown variable, and then exits


    正确答案: D
    解析: 暂无解析

  • 第24题:

    单选题
    Using the G.729 codec and the default cRTP configuration, what is the approximate VoIP bandwidth savings across a Frame Relay link that adds a 6 byte frame header?"()
    A

     55%

    B

     58%

    C

     60%

    D

     63%


    正确答案: D
    解析: 暂无解析