4A0-205 무료 덤프문제 온라인 액세스

Which of the following statements about the contentionless feature on a CDC-F node is TRUE?

• A.It represents the ability to reroute lambdas to any direction.
• B.It represents the ability to support the Fixed Grid standard.
• C.It represents the ability to drop the same wavelength from different degrees.
• D.It represents the ability to drop any lambda from any Add/Drop block port.

What is the metro area network?

• A.The metro area network is located in between two access area networks and made of photonic nodes only (no OCS/SWDM nodes are used there).
• B.The metro area network is made of OCS/SWDM nodes only, as no pure photonic nodes are used here.
• C.The metro area network is that portion of network that passes through a city to provide connections to several customers.
• D.The metro area network is located between access and core domains.

Which of the following statements is true?

• A.Logs report a real time status of the node.
• B.Alarms and conditions report only historical status of the node.
• C.Logs report both active and historical events.
• D.Alarms and conditions report a real time status of the node.

Where is the OPS card equipped to provide the optical channel protection?

• A.Before the transponder, on the client side, towards the external device
• B.Between the transponder and the amplifiers
• C.Between the filters and the amplifiers
• D.Between the transponder and the filter

What is the definition of OSNR?

• A.The OSNR is defined as the ratio between the optical signal power (including noise) and the optical noise power over a specific spectral bandwidth.
• B.The OSNR is defined as the ratio between the transmitted optical power and the received optical power over 1 km of fiber including both signal and optical noise.
• C.The OSNR is defined as the ratio between the average optical signal power and the average optical noise power over a specific spectral bandwidth.
• D.The OSNR is the ratio between the optical output signal power and the optical input signal power of the device being analyzed.