100% Valid Juniper JN0-680 Dumps with VCE and PDF shared by PassLeader (Question 1 – Question 5)

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QUESTION 1
Which EVPN service consists of a single broadcast domain per EVPN instance?

A.    a VLAN bundle service interface
B.    a VLAN-based service interface
C.    a port-based VLAN-aware service interface
D.    a port-based service interface

Answer: B
Explanation:
https://tools.ietf.org/html/draft-ietf-l2vpn-evpn-08#section-6.1

QUESTION 2
Which two statements are correct when performing a unified ISSU? (Choose two.)

A.    The master Routing Engine and backup Routing Engine must be running the same software version before you can perform a unified ISSU.
B.    Unicast RPF-related statistics are not saved across a unified ISSU, and the unicast RPF counters are reset to zero during a unified ISSU.
C.    Unicast RPF-related statistics are saved across a unified ISSU, and the unicast RPF counters are not reset to zero during a unified ISSU.
D.    The backup Routing Engine must be running the most recent software version before you can perform a unified ISSU.

Answer: AB
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/reference/requirements/issu-system-requirements.html

QUESTION 3
Referring to the exhibit, PE1 and PE2 are acting as MPLS Layer 3 VPN PEs to provide the DCI between DC1 and DC2, which are IP Fabrics. Leaf1 and Leaf2 are QFX5100 Series devices acting as VXLAN Layer 2 Gateways using EVPN signaling for the same VXLAN segment.
passleader-jn0-680-dumps-31
Which statement is correct about the Edge1 device in this scenario?

A.    Edge1 must be configured for MP-BGP using EVPN signaling.
B.    Edge1 must be configured for MP-BGP using L3VPN signaling.
C.    Edge1 must be configured for BGP labeled unicast on its PE1-facing interface.
D.    Edge1’s routing table must contain an IP route to both Leaf1 and Leaf2.

Answer: A
Explanation:
Assumption here that the MPLS backbone network offers EVPN; this is the most fully-featured solution. This could also be achieved via C; BGP-LU shared with the provider, basically extending MPLS down to the Edge1+2 routers; this is less `risky’ for the MPLS backbone operator. B and D are ignoring EVPN/ VXLAN components and refer to traditional Layer 3 IP routing.
https://www.juniper.net/documentation/en_US/junos/topics/concept/evpns-overview.html

QUESTION 4
Referring to the exhibit, which two MAC addresses are learned from the local side of the MC-LAG link?
passleader-jn0-680-dumps-41

A.    4c:96:14:e8:c6:fe and 4c:96:14:e8:a6:16
B.    4c:96:14:e8:c6:fd and 4c:96:14:e8:f0:21
C.    4c:96:14:e8:c6:fd and 4c:96:14:e8:a6:16
D.    4c:96:14:e8:f0:21 and 4c:96:14:e8:a6:16

Answer: A
Explanation:
Flag `DL’ means Dynamic, Locally-learned (DR means Dynamic, Remote PE MAC).

QUESTION 5
An EX9200 switch is acting as a Layer 3 VXLAN gateway. In this scenario. which action will allow you to communicate between two VLANs?

A.    Configure L3 physical interfaces to connect the VXLANs.
B.    Configure IRB interfaces to connect the VXLANs.
C.    Configure LAG interfaces to connect the VXLANs.
D.    Configure a VPLS instance.

Answer: B
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/example/sdn-vxlan-ovsdb-inter-vxlan-routing-data-center-configuring.html


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