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JN0-691 · Question #46

Referring to the exhibit, routers r1 and r2 are connected to each other by interfaces ge-5/3/0 and ge-5/3/1 respectively. They do not become OSPF neighbors. Which two statements are true? (Choose…

The correct answer is B. r1 is configured for OSPFv2. D. r2 is configured for OSPFv3. See the full explanation below for the reasoning.

Question

Referring to the exhibit, routers r1 and r2 are connected to each other by interfaces ge-5/3/0 and ge-5/3/1 respectively. They do not become OSPF neighbors. Which two statements are true? (Choose two.) Local traffic capture on r1: Address resolution is OFF. Listening on ge-5/3/0.0, capture size 1514 bytes 22:16:33.610374 Out IP (tos 0xc0, ttl 1, id 34562, offset 0, flags [none], proto: OSPF (89), length: 76) 10.1.2.1 > 224.0.0.5: OSPFv2, Hello, length 56 [len 44] Router-ID 1.1.1.1, Backbone Area, Authentication TypE. none (0) Options [External, LLS] Hello Timer 10s, Dead Timer 40s, Mask 255.255.255.252, Priority 128 LLS: checksum: 0xfff6, length: 3 Extended Options (1), length: 4 Options: 0x00000001 [LSDB resync] [edit] user@r1# run show ospf interface Interface State Area DR ID BDR ID Nbrs ge-5/3/0.0 PtToPt 0.0.0.0 0.0.0.0 0.0.0.0 0 lo0.1 DR 0.0.0.0 1.1.1.1 0.0.0.0 0 [edit] user@r1# run show ospf neighbor ----------------------------------------------------------------------- -- Local traffic capture on r2: Address resolution is OFF. Listening on ge-5/3/1.0, capture size 1514 bytes 22:16:42.238030 Out IP6 (class 0xc0, hlim 1, next-header: OSPF (89), length: 36) fe80::6687:88ff:fe6c:6769 > ff02::5: OSPFv3, Hello, length 36 Router-ID 2.2.2.2, Backbone Area Options [V6, External, Router] Hello Timer 10s, Dead Timer 40s, Interface-ID 0.0.0.1, Priority 128 Neighbor List: user@r2# run show ospf interface OSPF instance is not running

Options

  • Ar1 is configured for OSPFv3.
  • Br1 is configured for OSPFv2.
  • Cr2 is configured for OSPFv2.
  • Dr2 is configured for OSPFv3.

How the community answered

(50 responses)
  • A
    16% (8)
  • B
    76% (38)
  • C
    8% (4)

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