[Oct 12, 2021] JN0-648 Ultimate Study Guide - TestkingPass
Ultimate Guide to Prepare JN0-648 Certification Exam for JNCIP-ENT in 2021
NEW QUESTION 48
You are deploying PIM source-specific multicast (SSM) for a new multicast messaging service. You have configured the multicast source to use 235.44.123.100 as the multicast address. You are not able to join the PIM SSM multicast feed.
Which two solutions would resolve this problem? (Choose two.)
- A. Reconfigure the multicast source to use an address in the range of 232.0.0.0 through 232.255.255.255.
- B. Add the multicast address to the [edit routing-options multicast ssm-groups] stanza.
- C. Reconfigure the multicast source to use an address in the range of 224.0.0.0 through 224.255.255.255.
- D. Add the multicast address to the [edit routing-options multicast ssm-map] stanza.
Answer: A,B
NEW QUESTION 49
Click the Exhibit button.
During an outage, you review the status of the Q-in-Q implementation on VLAN 300.
Referring to the exhibit, what would be the cause of the outage?
- A. The VLAN range overlaps.
- B. The S-VLAN is disabled.
- C. The C-VLANs are disabled.
- D. There are no active ports.
Answer: D
NEW QUESTION 50
Your network is configured for EVPN load balancing on three different access switches. During an outage, you notice that not all interfaces are receiving traffic as expected.
Which two requirements would you validate to identify this problem? (Choose two.)
- A. Validate that the same esivalue is only configured on one interface per switch.
- B. Validate that all-activeis configured for only one interface per switch.
- C. Validate that the all-activeflag is configured for multiple interfaces on each switch.
- D. Validate that the same esivalue is configured on multiple interfaces on all switches.
Answer: B,D
NEW QUESTION 51
Exhibit.
You have applied the CoS configuration shown in the exhibit to an EX4300 switch.
Which two statements are true? (Choose two. )
- A. Packets in low priority queues are serviced when strict-high priority queues have no available credits
- B. All strict-high priority queues are serviced in a round-robin fashion as long as they have remaining credits
- C. All strict-high priority queues are serviced in a round-robin fashion regardless of available credits.
- D. Packets in low priority queues transmit only when start-high priority queues are empty
Answer: B,D
NEW QUESTION 52
Click the Exhibit button.
Which well-known community needs to be used to restrict 10.0.0.0/8 from being advertised to AS 2?
- A. no-export
- B. no-export-subconfed
- C. no-advertise
- D. no-publish
Answer: A
NEW QUESTION 53
Which type of BGP is used to peer with a different autonomous system?
- A. dynamic
- B. external
- C. classless
- D. static
Answer: B
NEW QUESTION 54
Click the Exhibit button.
Referring to the exhibit, you configured a new multifield classifier for the ge-1/2/0 interface to move ICMP traffic to the best-effort queue and traffic from 192.168.20.0/24 to the expedited forwarding queue. You received notice that some applications are not working after the change.
Which configuration change will remedy the problem?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION 55
Click the Exhibit button.
Which two statements are true about the 802.1X output shown in the exhibit? (Choose two.)
- A. EAPoL traffic will be sent out of the ge-0/0/1 interface.
- B. EAPoL traffic will not be sent out of the ge-0/0/1 interface.
- C. The supplicant is not authenticated using 802.1X.
- D. The supplicant is authenticated using 802.1X.
Answer: A,C
NEW QUESTION 56
Click the Exhibit button.
Referring to the exhibit, which statement is correct?
- A. This router originated the LSA.
- B. This router is an ASBR.
- C. This router is connected to 27 different areas.
- D. This router is an ABR.
Answer: A
NEW QUESTION 57
You must ensure that all management traffic sourced from your Junos devices is set with a specific DSCP code-point value.
Which action will accomplish this task?
- A. Apply the DSCP code-point to a rewrite rule.
- B. Apply the DSCP code-point in an egress policer.
- C. Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.
- D. Apply the DSCP code-point to the [edit class-of-service interface lo0.0] hierarchy
Answer: C
NEW QUESTION 58
Click the Exhibit button.
Referring to the exhibit, how is R1 learning the route from R2?
- A. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.
- B. R2 has interface ge-0/0/2 configured in another area under OSPFv3.
- C. R2 has an export policy with external type 1 configured.
- D. R2 has an export policy with external type 2 configured.
Answer: C
NEW QUESTION 59
Exhibit.
Referring to the exhibit, there are multiple ASM groups in the 224 0 0.0/4 range Which configuration change is needed to ensure R1 is always the RP for group 224.224.1.1?
- A. Ensure R1 has a more specific group range
- B. Set the priority on R1 to zero
- C. Configure R1 with a higher localRP address
- D. Increase the priority on R1 to higher than R2
Answer: D
NEW QUESTION 60
Click the Exhibit button.
Referring to the exhibit, you must advertise the 100.0.0.0/16 routes from AS1 to AS2, but R2 is not advertising any BGP routes to R5.
Why is this happening in this scenario?
- A. The IBGP routes are not active and EBGP will advertise only active routes.
- B. The IBGP routes will not be advertised because the AS path shows as incomplete.
- C. The IBGP routes are not active because the next hop is not reachable.
- D. The IBGP routes will not be advertised because you must use a policy to advertise IBGP routes.
Answer: A
NEW QUESTION 61
You are implementing 802.1x access control in your network of EX Series switches. You have some older client devices connecting to your network which do not support 802.1x.
Which statement is true regarding the older devices?
- A. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.
- B. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.
- C. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.
- D. By default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.
Answer: A
NEW QUESTION 62
You are redistributing static routes into an OSPF area.
Which two statement are true is this scenario? (Choose two.)
- A. The area must be stub area.
- B. The routes can be advertised in type LSAs.
- C. The area must be the backbone area.
- D. The external route advertisements have a domain scope.
Answer: B,C
NEW QUESTION 63
Exhibit:
Your IS-IS adjacency is not established as shown in the exhibit. What is the problem?
- A. There is an invalid IPv4 router ID
- B. There is an invalid IPv6 router ID
- C. There is an area mismatch
- D. There is an MTU mismatch
Answer: C
NEW QUESTION 64
Click the Exhibit button.
You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.
Referring to the exhibit, which configuration statement would solve the problem?
- A. delete protocols bgp group BGP-MESH export NHS
- B. delete protocols bgp group BGP-MESH peer-as
- C. set policy-options policy-statement NHS term BGP_ROUTES from external
- D. set protocols bgp group BGP-MESH import NHS
Answer: C
NEW QUESTION 65
What are three well-known mandatory BGP attributes? (Choose three.)
- A. MED
- B. next-hop
- C. origin
- D. AS-path
- E. community
Answer: B,C,D
NEW QUESTION 66
Exhibit.
Referring to the exhibit, a RMSM network is set up to enable communication between multicast devices.
Which statement is true in this scenario?
- A. After the formation of the shortest-path tree, a join messageis sent from R2 to R1.
- B. After the formation of the shortest-path tree, a prune message is sent from R1 to R2.
- C. After the formation of the shortest-path tree, a join message is sent from R1 to R5
- D. After the formation of the shortest-path free, a prune message is sent from R1 to R5.
Answer: B
NEW QUESTION 67
Click the Exhibit button.
There is a functioning OSPFv3 neighborship between Router-1 and Router-2 over the ge-0/0/1 link.
However, the 172.100.100.0/24 and 172.101.101.100/24 routes are not being shared through OSPFv3.
Referring to the configuration shown in the exhibit, which two actions must you take to solve the problem?
(Choose two.)
- A. Add the lo0 interface under OSPFv3 for both routers.
- B. Add interface ge-0/0/1 under the IPv4 unicast realm for both routers.
- C. Add interface ge-0/0/2 under OSPFv3 for both routers.
- D. Add the IPv6 family protocol under ge-0/0/2 for both routers.
Answer: B,D
NEW QUESTION 68
Click the Exhibit button.
You are configuring an EVPN overlay to allow VLANs to be stretched between two campus sites, but EVPN routes are not being exchanged.
Referring to the exhibit, which configuration statement would solve this problem?
- A. Apply the delete protocols bgp group EVPN multipath multiple-as configuration on MX1 and MX2.
- B. Apply the delete protocols bgp groupEVPN cluster 172.1.1.55configuration on MX2.
- C. Apply the set protocols bgp group EVPN family inet-vpn anyconfiguration on MX1 and MX2.
- D. Apply the set protocols bgp group EVPN family evpn signaling configuration on MX2.
Answer: D
NEW QUESTION 69
Exhibit.
Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2 will be active in the routing table?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 70
Exhibit:
Referring to the exhibit, which two statements are true regarding Q-in-Q tunneling? {Choose two)
- A. The C-VLAN 150 will be sent as the inner VLAN tag
- B. The C-VLANs 100-200 will be sent as the inner VLAN tag
- C. The C-VLAN traffic will be encapsulated with an outer VLAN lag of 150
- D. The C-VLAN traffic will be encapsulated with an outer VLAN tag of 10.
Answer: B,D
NEW QUESTION 71
You have PIM SM multicast configure and running in a network environment comprised of EX4300 devices.
Your customer report increased delay when switching channels using IPTV. To help decrease the delay, you implement PIM join balancing. You add the set protocol pim join-load-balance command to the configuration.
After committing,you notice that the flows are still using one path.
In this scenario, which statement is correct?
- A. IGMP snooping must be configured.
- B. The clearpim join-distribution command must be issued.
- C. The interface must be specified to use for load balancing
- D. PIM join load-balancing also be configured.
Answer: B
NEW QUESTION 72
Exhibit:
You are implementing CoS for a custom application that is labeling its packets with DSCP code-point 101111. You have applied the configuration shown in the exhibit, but not that while some custom application traffic ingressin on ge-0/0/1 transits the SRX Series device successfully, packets ingressing all other ge-* interfaces are being dropped.
Which action should you take to solve this problem?
- A. Remove the BA classifier from all ge-interfaces.
- B. Apply the rate-limit-ef policer to all ge-interfaces.
- C. Modify the BA classifier to assign code point 101111 to loss priority low.
- D. Configure a scheduler and scheduler map for expedited-forwarding and apply to all interfaces.
Answer: B
NEW QUESTION 73
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