Juniper JN0-649 Cert Guide PDF 100% Cover Real Exam Questions
Pass JN0-649 Exam - Real Questions and Answers
Juniper JN0-649 (Enterprise Routing and Switching, Professional (JNCIP-ENT)) certification exam is designed for IT professionals who want to validate their advanced knowledge and skills in enterprise routing and switching technologies. Enterprise Routing and Switching, Professional (JNCIP-ENT) certification aims to equip professionals with the necessary skills to design, implement and troubleshoot complex enterprise network infrastructures.
Juniper JN0-649 exam is a professional-level certification exam that is designed to test the candidate's knowledge and skills in enterprise routing and switching. JN0-649 exam is intended for individuals who have a strong understanding of networking technologies and protocols and are looking to advance their careers in the field of enterprise networking. The JN0-649 exam covers a wide range of topics, including advanced routing protocols, network virtualization, Layer 2 and Layer 3 switching, and security protocols.
NEW QUESTION # 27
Which two statements are correct about a functional ESI LAG interface? (Choose two )
- A. The ESI values must be the same
- B. The LACP system ID must be different
- C. The ESI values must be different
- D. The LACP system ID must be the same
Answer: A,D
NEW QUESTION # 28
Your company has expanded into office space across the street. The new office space has a single Ethernet connection connected to an unmanaged switch. You must sort traffic based on the IP address into different VLANs once the traffic arrives on your EX Series switches.
Which mechanism would you use to accomplish this task?
- A. MVRP
- B. Q-in-Q tunneling
- C. filter-based VLANs
- D. dynamic VLANs
Answer: C
Explanation:
https://next-hop-self.com/juniper-filter-based-vlan-assignment.html
https://www.juniper.net/documentation/us/en/software/junos/routing-
policy/topics/example/firewall-filter-ex-series-configuring.html
NEW QUESTION # 29
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. stub area
- B. totally non-to-stubby area
- C. totally stubby area
- D. non-to-stubby area
Answer: C
Explanation:
A totally stubby area (TSA) is a stub area in which summary link-state advertisement (type 3 LSAs) are not sent. A default summary LSA, with a prefix of 0.0. 0.0/0 is originated into the stub area by an ABR, so that devices in the area can forward all traffic for which a specific route is not known, via ABR.
NEW QUESTION # 30
Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)
- A. A Different group address must be used by each source.
- B. The receiver DR builds a source-base tree to the RP.
- C. S, G is always used.
- D. IGMPv3 is required.
Answer: C,D
NEW QUESTION # 31
You must ensure that all routes in the 10.0.0/8 address range are not advertised outside of your AS.
Which well-known BGP community should be assigned to these addresses to accomplish this task?
- A. no-peer
- B. no-advertise
- C. internet
- D. no-export
Answer: D
Explanation:
For specifying the BGP community attribute only, you also can specify community-ids as one of the following well-known community names defined in RFC 1997:
no-advertise-Routes containing this community name are not advertised to other BGP peers.
no-export-Routes containing this community name are not advertised outside a BGP confederation boundary.
no-export-subconfed-Routes containing this community are advertised to IBGP peers with the same AS number, but not to members of other confederations.
llgr-stale-Adds a community to a long-lived stale route when it is readvertised.
no-llgr-Marks routes which a BGP speaker does not want to be retained by LLGR. The Notification message feature does not have any associated configuration parameters.
https://www.juniper.net/documentation/us/en/software/junos/bgp/topics/ref/statement/community-edit-routing-options.html
NEW QUESTION # 32
Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)
- A. The supplicant is authenticated using 802. 1X
- B. EAPoL traffic will be sent out of the ge-0/0/1 interface.
- C. EAPoL traffic will not be sent out of the use ge-0/0/1 interface
- D. The supplicant is not authenticated using 802. 1X
Answer: B,D
NEW QUESTION # 33
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 local RP address
- D. Increase the priority on R1 to higher than R2
Answer: D
NEW QUESTION # 34
A BA classifier, input policer, and a multifield classifier are applied to an interface in which order are these features processed?
- A. BA classifier -> multifield classifier -> policer
- B. multifield classifier -> BA classifier -> policer
- C. policer -> BA classifier -> multifield classifier
- D. policer > multifield classifier -> BA classifier
Answer: C
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?
- A. You must configure a multifield classifier to put the VoIP traffic in the correct queue.
- B. You must configure a rewrite rule to ensure that the traffic is scheduled properly in the device.
- C. You must configure a scheduler to allocate bandwidth to the expedited forwarding queue.
- D. You must configure a policer to ensure that the queue is not being starved.
Answer: C
NEW QUESTION # 36
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. stub area
- B. totally non-to-stubby area
- C. totally stubby area
- D. non-to-stubby area
Answer: C
NEW QUESTION # 37
Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?
- A. 200 seconds
- B. 400 seconds
- C. 90 seconds
- D. 120 seconds
Answer: D
NEW QUESTION # 38
Your EX Series switch has IP telephones and computers connected to a single switch port. You are considering implementing the voice VLAN feature to help with this setup. In this scenario, which two statements are correct? (Choose two.)
- A. The voice VLAN feature must be used with LLDP-MED to associate VLAN ID and 802.1p values with the traffic.
- B. The voice VLAN feature will enable incoming tagged data and voice traffic to be associated with separate VLANs.
- C. Assigning the incoming voice and data traffic to separate VLANs enables the ability to prioritize the traffic using CoS.
- D. The interfaces must be configured as access ports.
Answer: C,D
NEW QUESTION # 39
What is the correct authentication processing order on EX Series switches when multiple Layer 2 authentication methods are enabled?
- A. captive portal-> MAC RADIUS -> 802.1x
- B. MAC RADIUS -> 1x -> captive portal
- C. 802.1x-> captive portal -> MAC RADIUS
- D. 802.1x -> MAC RADIUS -> captive portal
Answer: D
NEW QUESTION # 40
You are asked to configure 802.1X on your access ports to allow only a single device to authenticate.
In this scenario, which configuration would you use?
- A. MAC authentication mode
- B. single supplicant mode
- C. single-secure supplicant mode
- D. multiple supplicant mode
Answer: C
Explanation:
Single supplicant mode authenticates only the first end device that connects to an authenticator port. All other end devices connecting to the authenticator port after the first has connected successfully, whether they are 802.1X-enabled or not, are permitted access to the port without further authentication. If the first authenticated end device logs out, all other end devices are locked out until an end device authenticates. Single-secure supplicant mode authenticates only one end device to connect to an authenticator port. No other end device can connect to the authenticator port until the first logs out.
NEW QUESTION # 41
You want to provide Layer 2 connectivity between campus sites using Ethernet switches through a metro Ethernet service provider who is using Q-in-Q tagging on their network.
Referring to the exhibit, what are two design considerations in this environment? (Choose two.)
- A. VXLAN could be implemented on your network across this service provider network.
- B. Each campus switch shown must have a C-Tag 300 configured.
- C. L2PT is required on the SP network to support the spanning tree protocol.
- D. Each campus switch shown must have S-Tag 300 configured.
Answer: C,D
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/ref/statement/layer2-protocol-tunneling-edit-vlans-l2pt-ex-series.html
NEW QUESTION # 42
Which two statements are correct about the deployment of EVPN-VXLAN on QFX Series devices? (Choose two.)
- A. Junos OS supports ingress replication for BUM traffic forwarding.
- B. Junos OS supports underlay replication for BUM traffic forwarding.
- C. Type 1 route advertisements always have the single-active flag set to 0.
- D. Type 1 route advertisements always have the single-active flag set to 1.
Answer: A,B
NEW QUESTION # 43
Your network has an unmanaged switch between the hosts and your EX Series switch. After the traffic enters the EX Series switch, each host must be on a separate VLAN.
How would you accomplish this task?
- A. Configure an input firewall filter on interface ge-0/0/3 to match the source MAC or IP address of the hosts to assign the VLANs.
- B. Configure VSTP on interface ge-0/0/1 to assign the VLANs.
- C. Configure interface ge-0/0/3 to a mode trunk to assign the VLANs.
- D. Configure an output firewall filter on interface ge-0/0/1 to match the destination MAC or IP address of the hosts to assign the VLANs.
Answer: C
NEW QUESTION # 44
You are asked to establish interface level authentication for users connecting to your network.
You must ensure that only corporate devices, identified by MAC addresses, are allowed to connect and authenticate. Authentication must be handled by a centralized server to increase scalability. Which authentication method would satisfy this requirement?
- A. captive portal
- B. 802.1X with multiple supplicant mode
- C. 802.1X with single-secure supplicant mode
- D. MAC RADIUS
Answer: D
NEW QUESTION # 45
You are troubleshooting an OSPF adjacency issue between R1 and R2.
What is the reason for the ExStart state shown in the exhibit?
- A. R1 and R2 are using the same IP address.
- B. R1 was elected as the backup designated router.
- C. The MTU is not the default on R1 and R2.
- D. R2 was elected as the designated router.
Answer: A
NEW QUESTION # 46
You are configuring, the PVLAN feature on your switches. The PVLAN will span the two EX Series switches shown in the exhibit.
Which three configuration parameters must be enabled on the ports connecting the two switches?
(Choose three. )
- A. interface-mode access
- B. family inet
- C. interface-mode trunk
- D. inter-switch-link
- E. family Ethernet-switching
Answer: C,D,E
NEW QUESTION # 47
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. Create a firewall term that allows IP protocol 89.
- D. Configure the loopback interface under the [edit protocols ospf] hierarchy.
Answer: C
NEW QUESTION # 48
Referring to the exhibit, ServerA sends a single IP packet destined to 10.0.0.127. Which two statements correctly describe the behavior of the resulting outbound VXLAN packets that contain the original packet destined to 10.0.0.127? (Choose two.)
- A. Router C will send a VXLAN packet destined only to router D and router E.
- B. Router E will replicate and send a copy of the received VXLAN packet to router D.
- C. Router D will not replicate and send a copy of the received VXLAN packet to router E.
- D. Router C will send a single VXLAN packet to one remote VTEP.
Answer: B,D
NEW QUESTION # 49
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The Juniper JN0-649 exam consists of 65 multiple-choice questions that must be completed within a time limit of 120 minutes. JN0-649 exam is available in English and Japanese language versions. To pass the exam, candidates must achieve a minimum score of 65%. JN0-649 exam can be taken at any authorized Pearson VUE testing center worldwide. Upon passing the exam, candidates will receive a Juniper Networks Certified Professional Enterprise Routing and Switching (JNCIP-ENT) certification, which is recognized worldwide as a sign of expertise in enterprise networking and routing technologies.
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