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Enterprise Routing and Switching Exam (JN0-647) - Juniper Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
75 Total Questions
1
Question
You configured static mode power management on an EX4300 to provide PoE power to telephone and access point equipment.

Which statement is correct regarding the PoE power budget?
Options
A The power budgeted will be based on the device class connected to each port.
B Power is budgeted to a port even if no device is connected to the port.
C Power is budgeted to devices on a first come, first served basis as devices are connected.
D The power budgeted to ports will adjust to how much power a device actually uses.
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2
Question
Click the Exhibit. 26/54

Exhibit

user@switchl> show spanning-tree mstp configuration Configuration digest : 0x41d7ceff27dfBac23967409ee0alaf2 user@switch2> show spanning-tree matp configuration Configuration digest: 0x41d7ceff27df8ac23967409ee0alaf2 0-9, 11-19, 21-29, 31-39, 41-49, 51-4094 0 0-9, 11-19, 21-29, 31-39, 41-49, 51-4094 1 10, 20 1 10, 20 2 30, 40 2 30, 40 user@switch3> show spanning-tree matp configuration MSTP information MSTP information MSTP information Context identifier : 0 Context identifier : 0 Context identifier : 0 Region name : MSTP-TEST Region name : MSTP-TEST Region name : MSTP-TEST Revision : 1 Revision : 1 Revision : 1 Configuration digest : 0x6393cdfbb7cd99b338597be6abd813dd MSTI Member VLANS MSTI Member VLANS MSTI Member VLANS 0-9, 11-19, 21-39, 41-49, 51-4094 1 10, 20, 30 2 40

3. 50

3. 50
You have three switches, each with a trunk connection allowing all VLANs to the switches. CIST will coverage, however MSTP will not. Referring to the exhibit, which statement is correct?
Options
A Switch2 is the MSTI root bridge.
B Switch3’s contest identifier must be changed.
C Switch1 is the CIST root bridge.
D Switch3’s configuration digest is different than for switch1 and for switch2.
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3
Question
Your network provider supports multicast traffic but your provider network does not. You want to allow multicast hosts outside of your network to receive multicast traffic sourced within your network.

How would you satisfy this requirement?
Options
A Use AutoVPN to connect to the remote hosts.
B Use an MP-BGP session to your provider to pass multicast traffic.
C Use an automatic multicast tunnel gateway at the edge of your network.
D Use MSDP peering with your provider.
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4
Question
Click the Exhibit.

Exhibit

Switch 4 is rebooted as shown in the exhibit. Which statement is correct in this scenario?
Options
A MSTI-1 is reconverged.
B CIST generates notification events.
C MSTI-2 is reconverged.
D CIST is reconverged.
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5
Question
Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)
Select 2
Options
A S, G is always used.
B A Different group address must be used by each source.
C IGMPv3 is required.
D The receiver DR builds a source-base tree to the RP.
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