JN0-649 Dumps Updated Sep 12, 2023 Practice Test and 65 unique questions
2023 Latest 100% Exam Passing Ratio - JN0-649 Dumps PDF
NEW QUESTION # 21
Referring to the exhibit, which statement is correct?
- A. This router is connected to 27 different areas.
- B. This router originated the LSA.
- C. This router is an ASBR.
- D. This router is an ABR.
Answer: B
NEW QUESTION # 22
You want to create an OSPF area that only contains intra-area route information in the form of Type 1 and Type 2 LSAs.
In this scenario, which area is needed to accomplish this task?
- A. totally stubby area
- B. totally non-to-stubby area
- C. non-to-stubby area
- D. stub area
Answer: A
NEW QUESTION # 23
You are enabling MSTP in your Layer 2 network to prevent loops. In this scenario, which three parameters must match on all switches in the network? (Choose three. )
- A. bridge priority
- B. max age
- C. revision level
- D. MSTI-to-VLAN mapping
- E. configuration name
Answer: C,D,E
NEW QUESTION # 24
Your network has Junos Fusion configured with MX960 routers as aggregation devices (AD) and QFX5100 switches as satellite devices (SO) Which two statements are coned in this scenario?
(Choose two )
- A. The AD runs the Junos software for all its connected SDs.
- B. All SDs connected to a single AD must use the same software version.
- C. The Fusion extended ports are configured on the SDs.
- D. SDs are added to the AD by configuring the cascade port on the AD.
Answer: C,D
NEW QUESTION # 25
Your IPv4 multicast network uses different MX Series routers for the source DR and the PIM sparse-mode RP.
What is required before PIM register messages are exchanged between the DR and RP routers?
- A. Configure PIM encapsulation on the DR and RP routers.
- B. Add a tunnel services PIC to the RP router.
- C. Add an adaptive services PIC to the DR router.
- D. Enable tunnel services on the DR and RP routers.
Answer: D
NEW QUESTION # 26
BGP multipath or multihop are not configured in your network.
In this scenario, what is the correct sequence for BGP active route selection?
- A. higher local preference
shortest AS path
lowest router ID
lowest peer address
lower origin code - B. higher local preference
lowest router ID
lowest peer address
lower origin code
shortest AS path - C. higher local preference
shortest AS path
lowest peer address
lowest router ID
lower origin code - D. higher local preference
shortest AS path
lower origin code
lowest router ID
lowest peer address
Answer: D
Explanation:
BGP Path Selection process follows this order
1.Weight (Bigger is better)
2. Local preference (Bigger is better)
3. Self originated (Locally injected is better than iBGP/eBGP learned)
4. AS-Path (Smaller is better)
5. Origin
6. MED (Smaller is better)
7. External (Prefer eBGP over iBGP)
8. IGP cost (Smaller is better)
9. EBGP Peering (Older is better)
10. Router- ID
http://www.next-itsolutions.co.uk/wp-content/uploads/2015/09/CCIE-BGP-Best-Path-Selection1.png
https://www.juniper.net/documentation/us/en/software/junos/vpn-l2/bgp/topics/concept/routing-protocols-address-representation.html
NEW QUESTION # 27
Referring to the exhibit, how is R1 learning the route from R2?
- A. R2 has an export policy with external type 1 configured.
- B. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.
- C. R2 has an export policy with external type 2 configured.
- D. R2 has interface ge-0/0/2 configured in another area under OSPFv3.
Answer: A
NEW QUESTION # 28
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 in an egress policer.
- B. Apply the DSCP code-point to the [edit class-of-service host-outbound-traffic] hierarchy.
- C. Apply the DSCP code-point to a rewrite rule.
- D. Apply the DSCP code-point to the [edit class-of-service interface lo0.0] hierarchy
Answer: B
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/cos-host-outbound-traffic- default-classification-and-dscp-remarking.html To change these default settings, include the forwarding-class class-name statement and the dscp-code-point value statement at the [edit class-of-service host-outbound-traffic] hierarchy level. This feature does not affect transit traffic or incoming traffic.
NEW QUESTION # 29
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 IPv6 family protocol under ge-0/0/2 for both routers.
- B. Add interface ge-0/0/1 under the IPv4 unicast realm for both routers.
- C. Add the lo0 interface under OSPFv3 for both routers.
- D. Add interface ge-0/0/2 under OSPFv3 for both routers.
Answer: A,B
NEW QUESTION # 30
You receive the same 100.200.0/16 route from all four ISPs to which you are connected.
Referring to the exhibit, which ISP's route will be selected as active?
- A. ISP-B
- B. ISP-C
- C. ISP-A
- D. ISP-D
Answer: C
NEW QUESTION # 31
You notice a mass withdrawal of routes for some of the network hosts. You determine that the link on the ESI interface is down.
Which route type is used in this scenario?
- A. Type 3
- B. Type 2
- C. Type 5
- D. Type 1
Answer: D
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/evpn-bgp-multihoming- overview.html#jd0e270 This is a Type 1 mandatory route, used for fast convergence and for advertising the split horizon label. It is also known as the mass withdraw route.
NEW QUESTION # 32
You created a firewall rule to protect the Routing Engine. After applying the rule, your OSPF adjacencies dropped.
How would you solve this problem?
- A. Define a router ID under the [edit routing-options] hierarchy.
- B. Apply the firewall filter to the physical ports.
- C. Configure the loopback interface under the [edit protocols ospf] hierarchy.
- D. Create a firewall term that allows IP protocol 89.
Answer: D
NEW QUESTION # 33
You are implementing the route summarization feature of OSPF.
Which two results do you achieve in this scenario? (Choose two.)
- A. It reduces the impact of topology changes on a device.
- B. It provides optimal routing in the network.
- C. It helps in migrating to future multi-area OSPF network designs.
- D. It reduced the routing table size, enabling devices to store and process less information.
Answer: A,D
Explanation:
OSPF inter-area route summarization reduces the routing information exchanged between areas and the size of routing tables, and improves routing performance. OSPF inter-area route summarization enables an ABR to summarize contiguous networks into a single network and advertise the network to other areas.
NEW QUESTION # 34
You are implementing the route summarization feature of OSPF. Which two results do you achieve in this scenario? (Choose two.)
- A. It reduces the impact of topology changes on a device.
- B. It provides optimal routing in the network.
- C. It helps in migrating to future multi-area OSPF network designs.
- D. It reduced the routing table size, enabling devices to store and process less information.
Answer: A,D
NEW QUESTION # 35
You are asked to troubleshoot voice quality issues on your newly implement VoIP network. You notice that the voice packets are being dropped. You have verified that the packets are correctly marked for expedited forwarding queue.
Referring to the exhibit, what must you configure to solve the problem?
You are asked to troubleshoot voice quality issues on your newly implement VoIP network. You notice that the voice packets are being dropped. You have verified that the packets are correctly marked for expedited forwarding queue.
Referring to the exhibit, what must you configure to solve the problem?
- A. You must configure a scheduler to allocate bandwidth to the expedited forwarding queue.
- B. You must configure a multifield classifier to put the VoIP traffic in the correct queue.
- C. You must configure a rewrite rule to ensure that the traffic is scheduled properly in the device.
- D. You must configure a policer to ensure that the queue is not being starved.
Answer: A
NEW QUESTION # 36
Which two multicast listener registration protocols are supported in the Junos operating system?
(Choose two.)
- A. MLD
- B. IGMP
- C. PIM
- D. DVMRP
Answer: A,B
NEW QUESTION # 37
You are troubleshooting a BGP connection.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The 192.168.1.5 peer has a misconfigured MD5 key.
- B. The ge-0/0/1 interface is disabled.
- C. The 192.168.1.4 peer has a misconfigured autonomous system number.
- D. Packet fragmentation is preventing the session from establishing.
Answer: B,D
NEW QUESTION # 38
In IS-IS advertising POUs with the overload bit has which effect?
- A. The ISIS adjacencies become passive
- B. The local device will no longer be used for transit traffic
- C. The IS-IS adjacencies enter the "new" state
- D. The local device's POUs are marked with a metric of 65535
Answer: B
NEW QUESTION # 39
Which two statements are true regarding bidirectional PIM? (Choose two )
- A. Forwarding paths can be suboptimal
- B. It eliminates the need for an RP.
- C. Devices only store group specific entries.
- D. It uses multicast tunneling to forward traffic
Answer: A,C
NEW QUESTION # 40
You are deploying IP phones in your Layer 2 network and are asked to ensure that the switch sends VLAN and CoS information to the IP phones automatically.
In this scenario, which protocol should be used?
- A. PoE+
- B. LLDP_MED
- C. PoE
- D. LLDP
Answer: B
NEW QUESTION # 41
The connection between DC1 and DC2 is routed as shown in the exhibit.
In this scenario, which statement is correct?
- A. L3VPN must be enabled to advertise reachability.
- B. The border devices must be able to perform Layer 3 routing and provide IRB functionality.
- C. Type 2 and Type 5 routes will be exchanged between DC1 and DC2.
- D. An IP prefix route provides encoding for intra-subnet forwarding.
Answer: B
NEW QUESTION # 42
Your enterprise network uses routing instances to support multitenancy. Your Junos devices use BGP to peer to multiple BGP devices. You must ensure that load balancing is achieved within the routing instance.
Which two statements would accomplish this task? (Choose two.)
- A. Configure the multipath option at the [edit protocols bgp group] hierarchy.
- B. Configure the multipath option at the [edit protocols bgp group <group-name> neighbor] hierarchy.
- C. Configure the multipath option at the [edit routing-instances <instance-name> routing-options] hierarchy.
- D. Configure a load-balance per-packet policy and apply it at the [edit routing-options forwarding- table] hierarchy.
Answer: A,C
NEW QUESTION # 43
Referring to the exhibit, which statement is true?
- A. R1 has the B bit set.
- B. R1 is an ASBR.
- C. R1 is an ABR.
- D. R1 is a backbone router.
Answer: B
NEW QUESTION # 44
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Juniper JN0-649 exam is a professional-level certification exam designed for network engineers and administrators who have experience in enterprise routing and switching. JN0-649 exam tests the candidate's knowledge of Juniper Networks' enterprise routing and switching technologies, protocols, and configuration best practices, and validates their understanding of advanced concepts such as Layer 2, Layer 3, and multicast architectures.
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