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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
Your campus EX9200 core devices are highly oversubscribed on bandwidth ans reporting massive dropped packets. To immediately address the issue, you decide to implement shaping on all interfaces.
Which action will accomplish?
Which action will accomplish?
Options
A
Define a CoS input traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
B
Define a CoS output traffic control profile with the shape-rate 5G parameter and apply it to all interfaces.
C
Apply the input-shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.
D
Apply the shape-rate 5G parameter to all interfaces under the [edit class-of service] hierarchy.]
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2
Question
Click the Exhibit.
A customer on MSTI-2 was isolated due to a physical link outage on Switch 5’s ge-0/0/32 interface. Referring to the exhibit, which corrective action would solve this problem?
A customer on MSTI-2 was isolated due to a physical link outage on Switch 5’s ge-0/0/32 interface. Referring to the exhibit, which corrective action would solve this problem?
Options
A
Implement the CIST on all switches.
B
Move the root bridge for MSTI-2 to Switch 6.
C
replace the link between Switch 5 and 6 with a 10 Gbps link
D
Add MSTI-2 to all interfaces on Switch 5.
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3
Question
What are two OSPF LSA types? (Choose two.)
Select 2
Options
A
Router
B
Transit
C
Network
D
Stub
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4
Question
Click the Exhibit. 26/54
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?
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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5
Question
Click the Exhibit. [edit] 6/54
user@routerlf show protocols bgp
group to-router2 {
type internal;
local-as 65512;
neighbor 192.168.1.2 |
peer-as 65512;
}
}
[edit] user@router1# show routing -options
ledit] user@routerl run show bgp summary Groups: 1 Peers: 1 Down peers: 1 Table Tot Paths Act Paths Suppressed History Damp State Pending inet. 0 Peer AS inPkt Our. Pkt Oute Flaps last Up/Dwn State | #Active/ Received/ Accepted/ Damped... 6 192.16B.1.2 65512 7: 58 Active [edit] 7/54
user @router1# run show log messages Jun 13 16:29:42 routerl flowd _octeon_ hm: pconn _client_connect: Failed to connect to the server Jun 13 16:29:44 routerl rpd [3348]: bp_reev: peer 192.168.1.2 (Internal AS 65512) : received Jun 13 16:29:47 router1 flowd_octeon_hm: pconn_client_connect: Failed to connect to the server Jun 13 16:29:57 router1 las time message repeated 2 times Jun 13 16:30:00 router1 cron [3383] : (root) CMD (newsyslog) Jun 13 16:30:00 routerl cron [3384] : (root) CMD ( /user/libexec/atrun) Jun 13 16:30:02 routerl flowd_octeon_ hm: pconn_client_connect: Failed to connect to the server Jun 13 16:30:07 router1 flowd_octeon_hm: pconn_ client connect: Failed to connect to the server Jun 13 16:30:12 router1 flowd _octeon _hm: pconn_client connect: Failed to connect to the server Jun 13 16:30:16 router1 rpd (3348): bp_recv: peer 192.168.1.2 (Internal AS 65512) : received unexpected EOF unexpected EOF Jun 13 16:30:17 routerl flowd_octeon_ hm: pconn_client _connect: Failed to connect to the server Jun 13 16:30: 32 routerl last message repeated 3 times Jun 13 16:30:37 router1 flowd_octeon _hm: pconn_client connect: Failed to connect to the server Jun 13 16:30:40 router 1 rpd [3348]: bp _listen_accept: Connection attempt from unconfigured neighbor: 172.17.20.2+62931 Jun 13 16:30:42 routerl flowd_octeon hm: pconn client connect: Failed to connect to connect to Jun 13 16:30:52 router1 last message repeated 2 times Jun 13 16:30:57 router1 flowd_octeon_hm: pconn_client connect: Failed to connect to connect to Jun 13 16:31:02 router1 flowd _octeon hm: pconn_client connect: Failed to connect to connect to after 0 retries after 0 retries after 0 retries after 0 retries after 0 retries after 0 retries after 0 retries the server after 0 retries the server after 0 retries the server after 0 retries Jun 13 16:31:12 router1 last message repeated 2 times
You are configuring a new BGP session between router1 and router2. The session does not establish. Referring to the exhibit, what must be done to establish this session?
user@routerlf show protocols bgp
group to-router2 {
type internal;
local-as 65512;
neighbor 192.168.1.2 |
peer-as 65512;
}
}
[edit] user@router1# show routing -options
ledit] user@routerl run show bgp summary Groups: 1 Peers: 1 Down peers: 1 Table Tot Paths Act Paths Suppressed History Damp State Pending inet. 0 Peer AS inPkt Our. Pkt Oute Flaps last Up/Dwn State | #Active/ Received/ Accepted/ Damped... 6 192.16B.1.2 65512 7: 58 Active [edit] 7/54
user @router1# run show log messages Jun 13 16:29:42 routerl flowd _octeon_ hm: pconn _client_connect: Failed to connect to the server Jun 13 16:29:44 routerl rpd [3348]: bp_reev: peer 192.168.1.2 (Internal AS 65512) : received Jun 13 16:29:47 router1 flowd_octeon_hm: pconn_client_connect: Failed to connect to the server Jun 13 16:29:57 router1 las time message repeated 2 times Jun 13 16:30:00 router1 cron [3383] : (root) CMD (newsyslog) Jun 13 16:30:00 routerl cron [3384] : (root) CMD ( /user/libexec/atrun) Jun 13 16:30:02 routerl flowd_octeon_ hm: pconn_client_connect: Failed to connect to the server Jun 13 16:30:07 router1 flowd_octeon_hm: pconn_ client connect: Failed to connect to the server Jun 13 16:30:12 router1 flowd _octeon _hm: pconn_client connect: Failed to connect to the server Jun 13 16:30:16 router1 rpd (3348): bp_recv: peer 192.168.1.2 (Internal AS 65512) : received unexpected EOF unexpected EOF Jun 13 16:30:17 routerl flowd_octeon_ hm: pconn_client _connect: Failed to connect to the server Jun 13 16:30: 32 routerl last message repeated 3 times Jun 13 16:30:37 router1 flowd_octeon _hm: pconn_client connect: Failed to connect to the server Jun 13 16:30:40 router 1 rpd [3348]: bp _listen_accept: Connection attempt from unconfigured neighbor: 172.17.20.2+62931 Jun 13 16:30:42 routerl flowd_octeon hm: pconn client connect: Failed to connect to connect to Jun 13 16:30:52 router1 last message repeated 2 times Jun 13 16:30:57 router1 flowd_octeon_hm: pconn_client connect: Failed to connect to connect to Jun 13 16:31:02 router1 flowd _octeon hm: pconn_client connect: Failed to connect to connect to after 0 retries after 0 retries after 0 retries after 0 retries after 0 retries after 0 retries after 0 retries the server after 0 retries the server after 0 retries the server after 0 retries Jun 13 16:31:12 router1 last message repeated 2 times
You are configuring a new BGP session between router1 and router2. The session does not establish. Referring to the exhibit, what must be done to establish this session?
Options
A
You must define the autonomous- system number under the [edit routing-options] hierarchy on router1.
B
You must specify type as external on both devices.
C
You must define the peer-as number on router2.
D
You must specify the local-address on both devices.
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