PassLeader Premium Juniper JN0-680 Exam Dumps in VCE and PDF for Free Previewing (Question 31 – Question 35)

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QUESTION 31
Which two statements about VXLAN are true? (Choose two.)

A.    VXLAN uses a UDP destination port 4987.
B.    VXLAN adds an additional 32 bytes worth of headers.
C.    A VTEP is virtual or physical device that maps end devices to VXLAN segments.
D.    Devices that terminate VXLAN tunnels are known as VTEPs.

Answer: CD

QUESTION 32
Which 3 benefits do VXLANs offer to VLANs? (Choose three.)

A.    It provide better utilization of available paths in the overlay infrastructure
B.    VXLAN uses a 24-bit VNID to overcome the 4094 vlan scale limitation
C.    VXLAN uses a 16-bit VNID to overcome the 4094 vlan scale limitation
D.    It provide a solution to extent Layer 2 segment over a single Layer 2 VLAN
E.    It provides a solution to extent Layer 2 segments over a shared Layer 3 routed network
F.    It provides better utilization of available network paths in the underlay infrastructure

Answer: BEF

QUESTION 33
Which two options are network consideration for common VXLAN deployment? (Choose two.)

A.    consistent VNI-to-group mapping
B.    placement of VXLAN tunnel endpoints
C.    multicast group scaling
D.    consistent VLAN-to-VN-Segment mapping
E.    MTU size in the transport network

Answer: AD

QUESTION 34
You are implementing a Virtual Chassis using QFX5100s and EX4300s in your data center. In this scenario, which two statements are correct? (Choose two.)

A.    Only 10GbE VCP connections can be used between the QFX5100s and the EX4300s.
B.    The QFX5100 devices cannot assume the line card role in the Virtual Chassis.
C.    Some hardware capabilities are limited by the capabilities of the EX4300 switches.
D.    The EX4300 devices can only assume a line card role in the Virtual Chassis.

Answer: CD
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/virtual-chassis-ex-qfx-series-mixed-understanding.html (EX4300s are only line cards, QFX5100 can be line card)
https://www.juniper.net/documentation/en_US/junos/topics/concept/virtual-chassis-ex4300-virtual-chassis-understanding.html (Supports 40GE VCPs)

QUESTION 35
A customer notices that all traffic is traveling over a single link within their partially meshed IP Fabric using IBGP. While troubleshooting, the customer notices that the configuration is missing a configuration parameter. Which parameter would the customer use to solve this problem?

A.    accept-remote-nexthop
B.    advertise-peer-as
C.    add-path
D.    multihop

Answer: C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/add-path-edit-protocols-bgp.html


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