Which three options are types of OTN line cards for the NCS 4000? (Choose three.)

The correct answer is A. 2-port 100G C. 20-port 10G D. 24-port low speed. On the Cisco NCS 4000, the valid OTN line cards are the 2-port 100G (A), 20-port 10G (C), and 24-port low speed (D) - these match Cisco's documented hardware options for this platform's OTN card lineup. The distractors follow a deliberate pattern of inflated or invented…

Cisco NCS and ONS Architecture

Question

Options

A2-port 100G
B5-port 40G
C20-port 10G
D24-port low speed
E40-port 10G
F4-port 100G

How the community answered

(16 responses)

A
88% (14)
B
6% (1)
E
6% (1)

Explanation

On the Cisco NCS 4000, the valid OTN line cards are the 2-port 100G (A), 20-port 10G (C), and 24-port low speed (D) - these match Cisco's documented hardware options for this platform's OTN card lineup.

The distractors follow a deliberate pattern of inflated or invented numbers: B (5-port 40G) doesn't exist - the NCS 4000 has no 40G OTN line card variant. E (40-port 10G) doubles the actual port count; the real card is 20-port, not 40-port. F (4-port 100G) similarly doubles the correct port count; the real card is 2-port 100G, not 4-port.

Memory tip: Watch for the "doubling trap" - Cisco uses 2-port for 100G and 20-port for 10G. Any answer that doubles those numbers (4-port 100G, 40-port 10G) is a decoy. The odd one out to remember is the 24-port low speed card, which handles sub-10G traffic and completes the trio.

Topics

#OTN line cards#NCS 4000#port configurations#optical interfaces

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