What type of optical fiber is used for the connection inside the M600 rack？（)

A . none B . one C . two D . three E . four

A . path monitoring B . tandem connection monitoring activation deactivation （TCM ACT） C . Payload Structure Identifier （PSI） D . multiframe alignment signal （MFAS） E . section monitoring

A . it is carried on only 1 vhba per ucs system B . it has a qos policy in order to maintain traffic priority C . there is a supporting vsan to carry the fcoe traffic D . there is a dedicated VLAN to carry the FCoEtraffic

A .  low optical powe B .  high optical power C .  few optical channels D .  many optical channels E .  low chromatic dispersion F .  high chromatic dispersion G .  too much power differential in the optical channel

A .  PIN photodiodes B .  zero-chirped lasers C .  Erbium-doped fiber amplifiers D .  dispersion compensating fiber E .  dispersion compensating Bragg grating

A . fiber dispersion B . signal attenuation C . transmitter power D . amplifier bandwidth E . receiver dispersion tolerance

A . Fiber core rope offers greater strength B . Fiber core rope offers greater flexibility C . Fiber core rope can be used at higher operating temperatures D . Fiber core rope is the only type authorized for cargo runner

A .  Adjust the default hello timers to three seconds for aggressive mode B .  Enable it in global mode and on every interface you need to support C .  Enable it in global mode to support every individual fiber-optic interface D .  Enable it to create channels containing up to eight parallel links between switche

A . low optical power B . high optical power C . few optical channels D . many optical channels E . low chromatic dispersion F . high chromatic dispersion G . too much power differential in the optical channel

A .  They are both regions of lowest loss. B .  They are both regions of low reflections. C .  They are both regions of low index of refraction. D .  They are both regions of low chromatic dispersion. E .  They are both regions of low Polarization Mode Dispersion （PMD）.

A . 1000BASE-CX B . 100BASE-FX C . 1000BASE-LX D . 1000BASE-SX E . 1000BASE-ZX

A . 1Gbps+ B . 2Gbps+ C . 4Gbps+ D . 8Gbps+

A . 1000BASE-CX B . 100BASE-FX C . 1000BASE-LX D . 1000BASE-SX E . 1000BASE-ZX

A .  none B .  one C .  two D .  three E .  four

A . PIN photodiodes B . zero-chirped lasers C . Erbium-doped fiber amplifiers D . dispersion compensating fiber E . dispersion compensating Bragg grating

A .  fiber dispersion B .  signal attenuation C .  transmitter power D .  amplifier bandwidth E .  receiver dispersion tolerance

A.Never look straight at output optical interface or tail fiber end surface that connects with it. B. First you must disable laser output to avoid too strong output power burning down tail fiber end face. C. Use an optical power meter to measure input interface power to avoid receiver burning down due to overload. D. If there are no attenuators, loosen the receiver and tighten the transmitter to prevent optical input from overloading. 此题为多项选择题。

是 否

A．Narration B．Exposition C．Argumentation D．Description

A．It is easier to terminate and install than copper cabling． B．It is able to carry signals much farther than copper cabling． C．It is usually cheaper than copper cabling． D．It is able to be installed around sharp bends．