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NEW QUESTION 1
Click the Exhibit button.
JN0-648 dumps exhibit
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 will not be advertised because you must use a policy to advertise IBGP routes.
  • B. The IBGP routes are not active and EBGP will advertise only active routes.
  • C. The IBGP routes will not be advertised because the AS path shows as incomplete.
  • D. The IBGP routes are not active because the next hop is not reachable.

Answer: B

NEW QUESTION 2
Click the Exhibit button.
JN0-648 dumps exhibit
You are configuring BGP policies for a site with a dual-homed connection as shown in the exhibit. You must ensure that inbound traffic from Internet hosts flow through the ISP A connection.
Which statement is correct in this scenario?

  • A. Apply a BGP export policy on R1 to assign a lower MED value to routes advertised to ISP A
  • B. Apply a BGP export policy on R1 to assign a higher local preference value to routes advertised to ISP A
  • C. Apply a BGP export policy onR2to assign a lower origin value to routes advertised to ISP B
  • D. Apply a BGP export policy to R2 to prepend [65001 65001 65001 65001 65001] to the AS path of routes advertised to ISP B

Answer: D

NEW QUESTION 3
You are 802.1X supplicant, but traffic must be accepted once the user has authenticated their computer on the port In this scenario, which supplicant mode should be used?

  • A. single-secure
  • B. single
  • C. multiple
  • D. captive-portal

Answer: B

NEW QUESTION 4
You are redistributing static routes into an OSPF area. Which two statement are true is this scenario? (Choose two.)

  • A. The external route advertisements have a domain scope.
  • B. The area must be stub area.
  • C. The area must be the backbone area.
  • D. The routes can be advertised in type 7 LSAs.

Answer: CD

NEW QUESTION 5
which protocol is a multicast routing protocol?

  • A. OSPF
  • B. BGP
  • C. PIM
  • D. IS-IS

Answer: C

NEW QUESTION 6
Which type of BGP is used to peer with a different autonomous system?

  • A. external
  • B. classless
  • C. dynamic
  • D. static

Answer: A

NEW QUESTION 7
In IS-IS advertising POUs with the overload bit has which effect?

  • A. The local device will no longer be used for transit traffic
  • B. The local device's POUs are marked with a metric of 65535
  • C. The ISIS adjacencies become passive
  • D. The IS-IS adjacencies enter the "new" state

Answer: A

NEW QUESTION 8
You have configured CoS on a Junos device. A packet is classified as best effort by a behavior aggregate (BA) classifier, and as expedited forwarding by a multifield (MF) classifier.
Which statement is true in this scenario?

  • A. The packet will be placed in a queue associated with the BA classifier.
  • B. The packet will be placed into the queue which is least congested.
  • C. The packet will be placed into the queue that has the most bandwidth assigned to it.
  • D. The packet will be placed in a queue associated with the MF classifier.

Answer: A

NEW QUESTION 9
You are currently using VLAN IDs 2 through 300 within your Layer 2 domain and you need to configure VSTP to prevent loops You must ensure that all VL ANs are loop free.
In this scenario, which statement is correct?

  • A. You must enable RSTP to account for all VLANs.
  • B. You must ensure that the VLANs are balanced between two different root bridges.
  • C. You must ensure that the bridge priority is set to the lowest value on all switches in the Layer 2 domain.
  • D. You must enable all VLANs, 2 through 300, under the VSTP configuration

Answer: D

NEW QUESTION 10
Exhibit.
JN0-648 dumps exhibit
You are authenticating user devices connected to your ex Series switch. You have 802.1X and MAC RADIUS configured for all ports A user is complaining about the time it takes to connect their non-802.1X device on ge-0/0/15 using MAC RADIUS authentication
Referring to the exhibit, what should be done to accelerate the authentication process?

  • A. Change the supplicant mode to multiple on ge-0/0/15
  • B. Configure the no-reauthentication feature for 802.1X on ge-0/0/15
  • C. Configure the restrict feature for MAC RADIUS on ge-0/0/15.
  • D. Change the 802.1X retry attempts value to 5 on ge-0/0/15

Answer: A

NEW QUESTION 11
Click the Exhibit button.
JN0-648 dumps exhibit
Referring to the exhibit, which statement is true?

  • A. Only 802. 1X authentication will be used for devices connecting to ge-0/0/15
  • B. The current device is authenticated using MAC RADIUS
  • C. Additional users will automatically be allowed to connect to ge-0/0/15
  • D. The current device was allowed after authentication attempts to the RADIUS server failed

Answer: D

NEW QUESTION 12
What are three well-known mandatory BGP attributes? (Choose three.)

  • A. AS-path
  • B. community
  • C. origin
  • D. MED
  • E. next-hop

Answer: ACE

NEW QUESTION 13
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. Add a tunnel services PIC to the RP router.
  • B. Add an adaptive services PIC to the DR router.
  • C. Enable tunnel services on the DR and RP routers.
  • D. Configure PIM encapsulation on the DR and RP routers.

Answer: C

NEW QUESTION 14
Which two statements are true regarding bidirectional PIM? (Choose two )

  • A. It eliminates the need for an RP.
  • B. Devices only store group specific entries.
  • C. It uses multicast tunneling to forward traffic
  • D. Forwarding paths can be suboptimal

Answer: BD

NEW QUESTION 15
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. The interface must be specified to use for load balancing
  • B. PIM join load-balancing also be configured.
  • C. IGMP snooping must be configured.
  • D. The clear pim join-distribution command must be issued.

Answer: D

NEW QUESTION 16
Exhibit.
JN0-648 dumps exhibit
Which two statements are true about the 802. 1X output shown in the exhibit? (Choose two.)

  • A. EAPoL traffic will not be sent out of the use ge-0/0/1 interface
  • B. EAPoL traffic will be sent out of the ge-0/0/1 interface.
  • C. The supplicant is authenticated using 802. 1X
  • D. The supplicant is not authenticated using 802. 1X

Answer: BD

NEW QUESTION 17
Packets enter a Juniper device and are classified as best effort. During the processing of the packet, the classification of the packets is changed to expedited forwarding by a multi-field classifier. The device is using the default CoS policies
Which statement is true in this scenario?

  • A. The packet is forwarded according to the new packet classification, and the DSCP bits are rewritten to the new class.
  • B. The packet is forwarded according to the new packet classification, and the DSCP bits do not change.
  • C. The packet is forwarded according to the original packet classification, and the DSCP bits do not change.
  • D. The packet is forwarded according to the original packet classification, and the DSCP bits are rewritten to the new class.

Answer: B

NEW QUESTION 18
In a Layer 2 environment where 802.1X is deployed, which two statements are correct? (Choose two.)

  • A. RADIUS messages are exchanged between the supplicant and the authenticator.
  • B. RADIUS messages are exchanged between the authenticator and the authentication server.
  • C. Extensible Authentication Protocol messages are exchanged between the authenticator and the authentication server.
  • D. Extensible Authentication Protocol messages are exchanged between the supplicant and the authenticator.

Answer: BD

NEW QUESTION 19
Click the Exhibit button.
JN0-648 dumps exhibit
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 S-VLAN is disabled.
  • B. The VLAN range overlaps.
  • C. The C-VLANs are disabled.
  • D. There are no active ports.

Answer: D

NEW QUESTION 20
Exhibit.
JN0-648 dumps exhibit
Referring to the exhibit, which two statements are true with regards to deploying CoS? (Choose two.)

  • A. You should apply BA classifiers on the point-to point interfaces of the routers.
  • B. You should apply MF classifiers on the LAN-facing interfaces of the routers
  • C. You should apply BA classifiers on the LAN-facing interfaces of the routers
  • D. You should apply MF classifiers on the point-to-point interfaces of the routers

Answer: AB

NEW QUESTION 21
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