JN0-649 Actual Questions Answers PDF 100% Cover Real Exam Questions
JN0-649 Exam questions and answers
NEW QUESTION 15
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-export
- B. internet
- C. no-peer
- D. no-advertise
Answer: A
NEW QUESTION 16
A BGP network has been designed to provide resiliency and redundancy to a multihomed customer network.
Which two statements are correct in this scenario? (Choose two.)
- A. Both the next hops will be used to forward traffic to R2.
- B. A routing policy will be required to forward traffic to both next hops.
- C. The TTL value of 1 is set to limit the scope of the EBGP session.
- D. The ttl statement must be configured to accommodate peering to a loopback address of a directly connected peer.
Answer: B,D
NEW QUESTION 17
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. Frames that exit interface ge-0/0/1 on the data VLAN will be tagged.
- B. The phone will automatically be assigned a VLAN ID.
- C. Voice frames that enter interface ge-0/0/1 will be forwarded as expedited forwarding traffic.
- D. All frames that exit interface ge-0/0/1 will belong to the data VLAN.
Answer: B,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 18
Referring to the exhibit, how is R1 learning the route from R2?
- A. R2 has an export policy with external type 2 configured.
- B. R2 has interface ge-0/0/2 configured as a passive interface under OSPFv3.
- C. R2 has interface ge-0/0/2 configured in another area under OSPFv3.
- D. R2 has an export policy with external type 1 configured.
Answer: D
NEW QUESTION 19
What information must you gather from the satellite device to provision a Junos Fusion Enterprise deployment on the aggregation device? (Choose two.)
- A. Serial number
- B. Software version
- C. Model number
- D. MAC address
Answer: A,D
NEW QUESTION 20
You are troubleshooting an OSPF adjacency issue between R1 and R2.
What is the reason for the ExStart state shown in the exhibit?
- A. The MTU is not the default on R1 and R2.
- B. R2 was elected as the designated router.
- C. R1 was elected as the backup designated router.
- D. R1 and R2 are using the same IP address.
Answer: D
NEW QUESTION 21
You are deploying an 802.1X solution and must determine what would happen if clients are unable to re-authenticate to the RADIUS server.
In this scenario, which configuration would provide access to the network if the supplicant is already authenticated?
- A. move
- B. deny
- C. permit
- D. sustain
Answer: D
NEW QUESTION 22
A router is attempting to form an OSPF neighborship with another router However, the OSPF neighborship tails to establish completely Referring to the exhibit, what is the problem?
- A. There is an interface MTU mismatch
- B. There is an interface type mismatch
- C. There 15 an OSPF area mismatch
- D. There is an interface subnet mask mismatch
Answer: A
NEW QUESTION 23
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. LLDP
- D. PoE+
Answer: B
NEW QUESTION 24
You are deploying IP phones in your enterprise networks. When plugged in, the IP phones must be automatically provided with the correct VLAN ID needed for sending voice traffic to the EX Series switches.
In this scenario, which two solutions are required to accomplish this task? (Choose two.)
- A. Use LLDP on appropriate interfaces.
- B. Create two VLANs and assign them as VLAN members to the appropriate access interfaces.
- C. Enable the voice VLAN feature with the appropriate access interfaces and VLAN ID for voice traffic.
- D. Enable LLDP-MED on appropriate access interfaces.
Answer: C,D
NEW QUESTION 25
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 rewrite rule to ensure that the traffic is scheduled properly in the device.
- B. You must configure a multifield classifier to put the VoIP traffic in the correct queue.
- 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 26
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. Move the root bridge for MSTI-2 to Switch 6.
- B. Add MSTI-2 to all interfaces on Switch 5.
- C. Implement the CIST on all switches.
- D. replace the link between Switch 5 and 6 with a 10 Gbps link
Answer: B
NEW QUESTION 27
Referring to the exhibit, which statement is correct?
- A. The route is learned from a multihop BGP session.
- B. The route is learned from a multipath BGP session.
- C. The route is learned from only one neighbor.
- D. The route is learned from three different neighbors.
Answer: C
NEW QUESTION 28
You are troubleshooting a BGP connection.
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The 192.168.1.4 peer has a misconfigured autonomous system number.
- B. The ge-0/0/1 interface is disabled.
- C. The 192.168.1.5 peer has a misconfigured MD5 key.
- D. Packet fragmentation is preventing the session from establishing.
Answer: A,C
NEW QUESTION 29
You recently committed a change to a router to reject OSPF routes sourced from area 10. However, you are still seeing area 10 routes in the routing table.
Referring to the exhibit, which statement is correct?
- A. The OSPF protocol is first matched by find-ospf and accepted.
- B. The routes only timeout after 24 hours.
- C. The routes remain in the table until the device is rebooted.
- D. The routes remain in the table until the routing daemon is restarted.
Answer: A
Explanation:
Once a route is accepted, no other terms in the routing policy are evaluated.
NEW QUESTION 30
Referring to the log shown in the exhibit, what is the problem with the OSPF adjacency establishment?
- A. There is an MDS authentication mismatch.
- B. The referenced IP address does not exist on the network segment.
- C. The interface IP addresses on the subnet are duplicates.
- D. The OSPF database description packet is malformed.
Answer: C
NEW QUESTION 31
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. LLDP-MED
- B. LLDP
- C. CDP
- D. MP-BGP
Answer: A
NEW QUESTION 32
Which three MSTP parameters must match on all switches in the same MST region? (Choose three.)
- A. bridge priority
- B. MSTI-to-VLAN mapping
- C. forwarding delay
- D. revision number
- E. configuration name
Answer: A,D,E
NEW QUESTION 33
Referring to the exhibit, which statement is true?
- A. R1 is an ABR.
- B. R1 is an ASBR.
- C. R1 has the B bit set.
- D. R1 is a backbone router.
Answer: B
NEW QUESTION 34
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 flooded out of all the ports on the SD except the one where it was received.
- B. The packet is silently discarded and a reject message is sent to the AD.
- C. The packet is dropped and a reject message is sent out to the port where it was received.
- D. The packet is sent to the AD to be processed and forwarded.
Answer: D
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/concept/fusion-local-switching.html
NEW QUESTION 35
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