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H31-161 · Question #175

Refer to the exhibit. As shown in the figure, RTA belongs to AS 100 and has an EBGP neighbor relationship with RTB. RTB, RTC, RTD, RTE, and RTF belong to AS 200.RTB, RTD, and RTE are assigned to…

The correct answer is A. (65001) 100; 200; (65002). See the full explanation below for the reasoning.

Question

Refer to the exhibit. As shown in the figure, RTA belongs to AS 100 and has an EBGP neighbor relationship with RTB. RTB, RTC, RTD, RTE, and RTF belong to AS 200.RTB, RTD, and RTE are assigned to AS65001, RTC to AS65002, and RTF to AS65003. 1. When route 1.1.1.1/32 is imported from RTA, what is the AS_Path attribute of this route to be advertised to RTF? 2. When route 1.1.1.1/32 is imported from RTC, what is the AS_Path attribute of this route to be advertised to RTA? 3. When route 1.1.1.1/32 is imported from RTC, what is the AS_Path attribute of this route to be advertised to RTE? The attributes are as follows:

Exhibit

H31-161 question #175 exhibit

Options

  • A(65001) 100; 200; (65002)
  • B(65001) 200 100; (65002) (65001) 200; (65002)
  • C(65003) (65001) 200 100; 200; 200
  • D100; 200; empty

How the community answered

(24 responses)
  • A
    71% (17)
  • B
    4% (1)
  • C
    17% (4)
  • D
    8% (2)

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