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Exam Code: JN0-346
Exam Name: Enterprise Routing and Switching, Specialist (JNCIS-ENT)
One year free update, No help, Full refund!
JN0-346 upgrade dumps Total Q&A: 65 Questions and Answers
Last Update: 12-11,2016

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JN0-346 Course  

NO.1 Click the Exhibit button. Referring to the exhibit, which type of route is displayed?
A. martian
B. aggregate
C. generate
D. static
Answer: B
Explanation: From the exhibit we see: 109.0.0.0/8 *[Aggegate/130]

NO.2 You configured a GRE tunnel that traverses a path using default MTU settings. You want to ensure that packets are not dropped or fragmented. In this scenario, what is the maximum packet size that would traverse the GRE tunnel?
A. 1400
B. 1524
C. 1476
D. 1500
Answer: C

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Explanation: The default Ethernet MTU is 1500. There is a 24 byte GRE overhead, so there remain 1476 bytes for the data packet.
References: https://kb.juniper.net/InfoCenter/index?page=content&id=KB7848&actp=search

NO.3 What is reviewed first in the BGP route selection process?
A. the path with no MED value
B. the route with an origin of incomplete
C. the peer with the lowest IP address
D. the next-hop resolution
Answer: D

JN0-346 Preparation  
Explanation: Understanding BGP Path Selection The algorithm for determining the active route is as follows: Etc.
References:https://www.juniper.net/documentation/en_US/junos12.3/topics/reference/general/routing-ptotocols-address-representation.html

NO.4 Which two statements are correct regarding the root bridge election process when using STP? (Choose two.)
A. A higher bridge priority is preferred.
B. A lower bridge priority is preferred.
C. A lower system MAC address is preferred.
D. A higher system MAC address is preferred.
Answer: B,C

JN0-346 Course  
Explanation: The root bridge for each spanning-tree protocol (STP) instance is determined by the bridge ID. The bridge ID consists of a configurable bridge priority and the MAC address of the bridge. The bridge with the lowest bridge ID is elected as the root bridge. If the bridge priorities are equal or if the
bridge priority is not configured, the bridge with the lowest MAC address is elected the root bridge.
References:https://www.juniper.net/documentation/en_US/junos15.1/topics/concept/layer-2-services-stp-guidelines-statement-bridge-priority.html

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