Which if the following statements about Recovery Time Objective (RTO) and Recovery Point Object Point Objective (PRO) is FALSE?

Which if the following statements about Recovery Time Objective (RTO) and Recovery Point Object Point Objective (PRO) is FALSE?
A . RTO/PRO define business continually requirements for data center.
B . RTO/PRO defined the acceptable amount of data (in bits) that can be lost after a failure.
C . Data center mirroring has the most critical level of RT
D . RPO among DC applications.
E . Tier ½ data centers have stricter RTO/PRO requirements than Tire ¾.

Answer: B

Which of the following statements about the recovery time for protection and restoration combined (PRC) is correct?

Which of the following statements about the recovery time for protection and restoration combined (PRC) is correct?
A . PRC can be as fact as sub-network connection protection (SNCP)
B . PRC is as fast as restoration mechanisms.
C . PRC has a recovery time that depends on the broken links.
D . PRC has a typical recovery time greater than 50 ms.

Answer: B

Which of the following best describes Four Wave Mixing (FWM)?

Which of the following best describes Four Wave Mixing (FWM)?
A . FWM is a linear impairment that produces crosstalk four adjacent wavelengths are used.
B . FWM is a non-linear impairment that produces crosstalk at the sum and difference of two wavelengths.
C . FWM is a non-linear impairment resulting from varying velocities at different frequencies.
D . FWM is a linear impairment resulting from pulses broadening over ultra-longdistances

Answer: A