2023 Easily pass JN0-649 Exam with our Dumps & PDF Test Engine
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The JN0-649 certification exam is intended for IT professionals who want to advance their careers in the networking field. Enterprise Routing and Switching, Professional (JNCIP-ENT) certification is designed for individuals who have already gained some experience in networking and want to deepen their knowledge and skills. It is also suitable for those who want to specialize in enterprise routing and switching and become experts in this area. The JN0-649 exam is a professional level certification, which means that it is designed for individuals who have already gained some expertise in this field.
NEW QUESTION # 16
Click the exhibit.
Where is the policy shown in the exhibit enforced?
- A. Between the RIB-LOCAL and the RIB-OUT tables
- B. Between the RIB-OUT table and the BGP peer
- C. Between the BGP peer and the RIB-In table
- D. Between the RIB-IN and the RIB-LOCAL tables
Answer: D
NEW QUESTION # 17
You are implementing the route summarization feature of OSPF.
Which two results do you achieve in this scenario? (Choose two.)
- A. It helps in migrating to future multi-area OSPF network designs.
- B. It reduces the impact of topology changes on a device.
- C. It reduced the routing table size, enabling devices to store and process less information.
- D. It provides optimal routing in the network.
Answer: B,C
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 # 18
What are three well-known mandatory BGP attributes? (Choose three.)
- A. next-hop
- B. origin
- C. community
- D. MED
- E. AS-path
Answer: A,B,E
NEW QUESTION # 19
You are running OSPF as your IGP. The interfaces connecting two routers are in the ExStart state. You notice that something is incorrect with the configuration. Referring to the exhibit, which statement is correct?
- A. The IP addresses are incorrect.
- B. The MTU setting are incorrect.
- C. The interface type is incorrect.
- D. The subnet mask is incorrect.
Answer: A
NEW QUESTION # 20
Which three configuration parameters must match on all switches within the same MSTP region? (Choose three.)
- A. bridge priority
- B. configuration name
- C. VLAN to instance mapping
- D. region name
- E. revision level
Answer: C,D,E
Explanation:
When enabling MSTP, you define one or more MSTP regions. An MSTP region defines a logical domain where multiple spanning-tree instances (MSTIs) can be administered independently of MSTIs in other regions, setting the boundary for bridge protocol data units (BPDUs) sent by one MSTI. An MSTP region is a group of switches that is defined by three parameters:
Region name-User-defined alphanumeric name for the region.
Revision level-User-defined value that identifies the region.
Mapping table-Numerical digest of VLAN-to-instance mappings.
https://www.juniper.net/documentation/us/en/software/junos/stp-l2/topics/topic-map/spanning-tree-configuring-mstp.html
NEW QUESTION # 21
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: A
NEW QUESTION # 22
You have scheduled maintenance operations for one of the devices in your OSPF network.
Referring to the exhibit, which three statements are correct? (Choose three.)
- A. R1 does not send or receive transit traffic during the maintenance window even if no alternative paths exist to the given destination.
- B. Any traffic destined for networks that terminate on R1 will still be forwarded to R1.
- C. R1 does not participate in OSPF routing.
- D. The metrics for all transit interfaces on R1 is set to the maximum value of 65,535.
- E. R1 participates in OSPF routing but does not send or receive transit traffic.
Answer: B,D,E
NEW QUESTION # 23
Click the Exhibit.
Switch 4 is rebooted as shown in the exhibit.
Which statement is correct in this scenario?
- A. MSTI-1 is reconverged.
- B. MSTI-2 is reconverged.
- C. CIST generates notification events.
- D. CIST is reconverged.
Answer: A
NEW QUESTION # 24
You have an MX960 configured as a Fusion aggregation device (AD) and two QFX5100 switches as satellite devices (SD). You have configured local-switching for each SD. A packet with an unknown MAC address is received on one of the SD extended ports.
Which statement is correct in this scenario?
- A. The packet is dropped and a reject message is sent out to the port where it was received.
- B. The packet is flooded out of all the ports on the SD except the one where it was received.
- C. The packet is sent to the AD to be processed and forwarded.
- D. The packet is silently discarded and a reject message is sent to the AD.
Answer: C
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/fusion-local-switching.html
NEW QUESTION # 25
Referring to the exhibit, anycast RP is implemented to ensure multicast service availability. The source is currently sending multicast traffic using group 239.1.1.1 and R3 is receiving PIM register messages, but R2 does not have active source information. In this scenario, what are two methods to receive the active source information on R2? (Choose two.)
- A. Configure an MSDP protocol between R2 and R3.
- B. Configure an RP set in PIM on R1, allowing R1 to forward PIM register messages to R2 and R3 in the set.
- C. Configure an RP set in PIM on R2 and R3, allowing the RPs to forward PIM register messages to the other RPs in the set.
- D. Configure an MSDP protocol between R1 and R2.
Answer: B,C
NEW QUESTION # 26
Referring to the exhibit, traffic ingresses on interface ge-0/0/3 and egresses on interface ge-0/0/4.
Which queue does traffic with the IP precedence value of 100 use?
- A. assured-forwarding
- B. expedited-forwarding
- C. best-effort
- D. network-control
Answer: B
NEW QUESTION # 27
What allows non-Web enabled devices to access the network on a port configured for captive portal?
- A. A MAC address white list can be configured on the switch to allow specific MAC addresses to bypass the captive portal process.
- B. Captive portal can be configured to only prompt for credentials when HTTP or HTTPS traffic is requested on a port to allow on-HTTP enabled devices access to the network.
- C. Authentication credentials for specific devices can be preconfigured on the switch for automatic authentication.
- D. LLDP can be used to query the type of device that is attempting to access the network, and predefined device types can be allowed to bypass the captive portal process.
Answer: A
NEW QUESTION # 28
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-D
- B. ISP-C
- C. ISP-B
- D. ISP-A
Answer: D
NEW QUESTION # 29
You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must automatically negotiate the power requirements for the new connection with the EX Series switches.
In this scenario, which protocol should be used to enable this behavior?
- A. CDP
- B. MP-BGP
- C. LLDP-MED
- D. LLDP
Answer: C
NEW QUESTION # 30
Referring to the exhibit, you configured a new multicast classifier for the ge-1/2/0 interface ICMP traffic to the best-effort queue and traffic from 190.168.20.0/24 to the expedited forwarding queue.
You received noticed that some application are not working after the change.
Which configuration change will remedy the problem?
- A. [edit firewall family inet filter ingress
User@host # set term 2 from service-filter hit - B. [edit firewall family inet filter ingress
User@host # set term 3 then accept - C. [edit firewall family inet filter ingress
User@host # set term 2 from protocol tcp - D. [edit firewall family inet filter ingress
User@host # set term 3 then next
Answer: B
NEW QUESTION # 31
Referring to the exhibit, which LSA type is used to advertise 192.168.1.0/24 to R5?
- A. Type 5
- B. Type 3
- C. Type 7
- D. Type 4
Answer: A
Explanation:
Area-1 has no external connections. However, Area-1 has static route (172.16.31.0/24) that are not internal OSPF route. You can limit the external route advertisements to the area and advertise the static routes by designating the area an NSSA. In an NSSA, the ASBR (vMX1) generates NSSA external (Type 7) LSAs and floods them into the NSSA, where they are contained.
Type-7 LSAs allow an NSSA to support the presence of ASBR and their corresponding external routing information. The ABR (vMX2) converts Type-7 LSAs into Type-5 External LSAs and leaks them to the other areas, but external routes from other areas are not advertised within the NSSA.
An admin should check this and change it
https://www.packetswitch.co.uk/configuring-junos-ospf-stub-and-nssa-areas/
https://www.juniper.net/documentation/us/en/software/junos/ospf/topics/ref/statement/nssa-edit-protocols-ospf.html
NEW QUESTION # 32
Which two statements about OSPF routing policies are correct? (Choose two.)
- A. By default, OSPF import policies accept network-summary LSAs.
- B. By default, OSPF import policies reject network-summary LSAs.
- C. By default, OSPF export policies reject network-summary LSAs.
- D. By default, OSPF export policies accept network-summary LSAs.
Answer: A,C
NEW QUESTION # 33
Refer to Exhibit:
You have a workstation and a VoIP phone connected to port ge-0/0/1 on an access switch.
Referring to the exhibit, which two statements are true? (Choose two.)
- A. Voice frames that enter interface ge-0/0/1 will be forwarded as expedited forwarding traffic.
- B. Frames that exit interface ge-0/0/1 on the data VLAN will be tagged.
- C. The phone will automatically be assigned a VLAN ID.
- D. All frames that exit interface ge-0/0/1 will belong to the data VLAN.
Answer: A,C
Explanation:
https://www.juniper.net/documentation//en_US/junos/topics/topic-map/802-1x-and-voip-on- switches.html#id-example-setting-up-voip-with-8021x-and-lldp-med-on-an-ex-series-switch
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/device-discovery-using-lldp- lldp-med.html
NEW QUESTION # 34
Which BGP message type contains NLRI information?
- A. open
- B. keepalive
- C. update
- D. notification
Answer: C
NEW QUESTION # 35
You are asked to establish full connectivity between all devices in the BGP network. Referring to the exhibit, which two configuration changes will allow BGP route advertisements? (Choose two.)
- A. On R2, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
- B. On R1 and R3, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
- C. On R2, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
- D. On R1 and R3, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
Answer: A,D
NEW QUESTION # 36
Which three statements are correct about EVPN route types? (Choose three.)
- A. Type 2 routes carry endpoint MAC address information.
- B. Type 1 routes carry endpoint MAC address information.
- C. Type 5 routes carry replication information.
- D. Type 3 routes carry replication information.
- E. Type 2 routes carry endpoint IP address information.
Answer: A,B,E
NEW QUESTION # 37
Which statement is correct about MSTP?
- A. MSTP enables dynamic discovery of Layer 2 neighbors.
- B. MSTP dynamically manages VLAN registration in a LAN
- C. MSTP enables mapping multiple independent spanning tree instances onto one physical topology
- D. MSTP uses slacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites
Answer: C
NEW QUESTION # 38
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Juniper JN0-649 (Enterprise Routing and Switching, Professional (JNCIP-ENT)) certification exam is an essential certification for network professionals who want to demonstrate their expertise in enterprise routing and switching technologies. By passing JN0-649 exam, candidates can prove their skills and knowledge to potential employers and advance their careers in the networking industry.
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