Question

17. Which type of cable runs between the network access point and the residence or building?

A. Horizontal cable

B. Backbone cable

C. Feeder cable

D. Drop cable

18. Which instrument can be used to monitor the transmitter output power or the receiver input power? A. Cable puller

B. Inline power tap

C. Continuity tester

D. Multimeter

19. How many transmitters are used in a parallel optic laser link for a 40GBase-SR4 Ethernet network? A. 8

B. 16

C. 10

D. 4

20. An optical signal loses 1.5 dB of power from insertion losses and attenuation. It has –10.8 dBm of power once it reaches the photodiode. If the photodiode has a minimum input power of –9.5 dBm, how powerful does the input signal need to be?

A. –9.3 dBm B. –12.3 dBm C. –11 dBm D. –8 dBm

Answer 1

Q 17 în Horizontal cable is used Contact network (LAN) for connecting users Local Area to the netwook option À is correct 184 Inline power top is used mecsuk power output becoins input of trousnai ter and gespectively option i is correct SR4 10 GB pesallad Ethernet use to G Base fines. ca option " is correct Q-22 Girn Attenuation L = lsdo lo log of a 1-5dB= L = 1.412. Pi - اے -9.5 dBm こ 1. 122 X10 4 2 P x 16412 1.122X16 E Input power PE 11 8 dBm is correct ac option