Juniper JN0-683 Certification Exam Sample Questions and Answers

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Juniper JN0-683 (JNCIP-DC) Sample Questions:

01. When using EVPN Type-5 routes for inter-DC Layer 3 DCI, which statement is true?
a) They require multicast in the underlay
b) They advertise host MACs and IPs together
c) They carry only IP prefix reachability information
d) They are sent only when both DCs share identical VNIs
 
02. A design requirement states that the IP fabric must support RDMA-over-Converged-Ethernet (RoCE). Which underlay feature must be enabled?
a) Priority Flow Control (PFC)
b) BFD
c) PIM
d) BGP add-path
 
03. QFX leaf devices must advertise connected server subnets into the Layer-3 fabric. Which mechanism is required?
a) Route leaking between VRFs
b) Redistribution of connected routes into BGP
c) Proxy-ARP on IRB interfaces
d) OSPF NSSA external routes
 
04. Which feature enables tenant separation by providing independent routing tables on each logical domain?
a) IRB interfaces
b) Firewall filters
c) Routing instances (VRFs)
d) Storm control
 
05. You are asked to configure JTI on the QFX Series devices in your data center fabric. You must use sensors with the least amount of latency . Which type of sensor should you use in this scenario?
a) Python sensors
b) JTI native sensors
c) analog sensors
d) JTI OpenConfig sensors
 
06. You must collect interface statistics from QFX nodes at 1-second intervals for congestion analysis. Which two technologies support this?
(Choose two)
a) sFlow
b) JTI native sensors
c) RMON
d) Junos Space Network Director
 
07. You must ensure that new QFX switches automatically apply the correct site-specific configuration during ZTP. Which two identifiers are typically used?
(Choose two)
a) Chassis Serial Number
b) Loopback IP address
c) Chassis Base MAC
d) Hostname assigned by DHCP
 
08. Your telemetry collector must receive line-rate interface statistics with minimal latency. Which sensor type should be used?
a) Python-based sensors
b) OpenConfig sensors only
c) Analog hardware sensors
d) Native JTI sensors
 
09. Which statement is correct about a VLAN-aware MAC-VRF instance?
a) One or more VLAN IDs and VNIs are assigned to the same MAC-VRF instance.
b) Only one VLAN ID and VNI is assigned to a unique MAC-VRF instance.
c) VLAN-aware MAC-VRF instances can only be implemented when using an bridged overlay fabric.
d) OVLAN normalization is not supported.
 
10. Which statement is correct about a VLAN-based MAC-VRF instance?
a) One or more VLAN IDs and VNIs are assigned to the same MAC-VRF instance.
b) VLAN-based MAC-VRF instances can only be implemented when using an bridged overlay fabric.
c) OVLAN normalization is not supported.
d) Only one VLAN ID and VNI is assigned to a unique MAC-VRF instance.

Solutions:

Question: 01

Answer: c

Question: 02

Answer: a

Question: 03

Answer: b

Question: 04

Answer: c

Question: 05

Answer: b

Question: 06

Answer: a, b

Question: 07

Answer: a, c

Question: 08

Answer: d

Question: 09

Answer: a

Question: 10

Answer: d

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