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Exam JN0-351 All Questions

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Exam JN0-351 topic 1 question 42 discussion

Actual exam question from Juniper's JN0-351
Question #: 42
Topic #: 1
[All JN0-351 Questions]

Which two statements about redundant trunk groups on EX Series switches are correct? (Choose two.)

  • A. Redundant trunk groups use spanning tree to provide loop-free redundant uplinks.
  • B. Redundant trunk groups load balance traffic across two designated uplink interfaces.
  • C. Layer 2 control traffic is permitted on the secondary link.
  • D. If the active link fails, then the secondary link automatically takes over.
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Suggested Answer: CD 🗳️

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sandaruwann654
6 months ago
Selected Answer: CD
C,D are correct
upvoted 2 times
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lmla89
11 months, 1 week ago
If the active link fails, the secondary link automatically starts forwarding data traffic without waiting for normal spanning-tree protocol convergence. Data traffic is forwarded only on the active link. Data traffic on the secondary link is dropped and shown as dropped packets when you issue the operational mode command show interfaces interface-name extensive. While data traffic is blocked on the secondary link, Layer 2 control traffic is still permitted. For example, an LLDP session can be run between two switches on the secondary link. https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/topic-map/redundant-trunk-groups.html
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