What is the difference between the transmitted power and the sensitivity of the receiver?（）

A .  OSNR B .  dispersion C .  light skew D .  attenuatio

A . Utility allows for activation of resources by the hour. CUoD allows for permanent access to additional resources installed into the system. B . Utility allows for permanent access to additional resources installed into the system. CuOD allows for activation of resources by the hour. C . Utility allows for activation of resources by the minute. CUoD allows for permanent access to additional resources installed into the system. D . Utility allows for a 30 day usage of additional resources installed into the system. CUoD allows for permanent access to additional resources installed into the system.

A .  telephone support during business hours B .  fast access to technical information C .  access by partners and customers D .  real-time collaboratio

A . OSNR B . dispersion C . light skew D . attenuatio

A . The bow type shackle provides a superior connection B . The D-type shackle is weaker than the bow type C . The bow type shackle is weaker than the D-type D . The D-type shackle provides an inferior connectio

A . The dspload screen is for all trunks； the dsptrkutl screen is for one trunk B . The dspload screen shows the expected traffic； the dsptrkutl screen shows actual traffice C . The information on the dspload screen never changes； the dsptrkutl screen is dynamic D . The dspload screen shows historical information； the dsptrkutl screen shows current informatio

A .  1+1 is based on APS， while 1：1 is based on IPS. B .  1：1 is used in SNCP switching， while 1+1 is used in MS-SPRing switching. C .  1+1 sends signals on Working and Protect paths， while 1：1 sends signals only on Working path. D .  1+1 sends signals on Working path ONLY， while 1：1 sends signals on both Working and Protect paths.

A .  The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic. B .  The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic. C .  The Ethanalyzer captures only data traffic， while SPAN captures all traffic. D .  The Ethanalyzer captures only control traffic， while SPAN captures data traffic.

A . Framing B . De-encapsulation C . Encapsulation D . De-framing E . None of the above

A . ：：/0 is the unspecified address， and ：：/128 is the multicast address B . ：：/0 is the unicast address， and ：：/128 is the anycast address C . ：：/0 is the unicast address， and ：：/128 is the multicast address D . ：：/0 is the anycast address， and ：：/128 is the multicast address E . ：：/0 is the default route， and ：：/128 is the unspecified address F . ：：/0 is the anycast address， and ：：/128 is the default addre

A．Neutral. B．Contrary to the liberals. C．Inconsistent. D．Contrary to the conservatives.

A．The number of firms adopting each business model. B．Which is the more respectable method to advertising. C．Whether to make users pay for what they download. D．whether to allow users to keep what they download.

A.Path loss B.Path loss, minus antenna gain C.Path loss, minus antenna gain, plus feeder loss D.Path loss, minus antenna gain plus feeder and combiner losses E.There is no difference

A．A.They cannot be compared B．B.30 dB C．C.There is no difference D．D.20 log[dBm] = [dBW] E．E.10 dBmW

A．Peter disapproves of treating animals like human beings, but Nelson doesn’t think so． B．Nelson believes that pet-keeping is a natural need of human beings, but Peter doesn’t think so． C．Nelson makes a distinction between human friends and animals, but Peter doesn’t．