Which of the following descriptions about ring networking is wrong?

Question

Options

• AMost of the sites in the ring network are OADM sites, but there can also be OLA sites.
• BThe ring network has protection functions in both east and west directions, and is a common networking
• CFOADM and ROADM cannot coexist in the same ring network.
• DOn the basis of ring networking, complex networking topologies such as tangent rings, intersecting rings,

• A
  4% (1)
• B
  4% (1)
• C
  78% (18)
• D
  13% (3)

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