Precise Juniper JN0-648 Free Demo Online

NEW QUESTION 1
Which two statements are true about IS-IS levels? (Choose two.)

• A. Level 2 systems do not advertise Level 2 routes into a Level area by default.
• B. Level 2 systems must use the loopback address as a part of the ISO network address.
• C. Level 1 system only from adjacencies with other systems that have different area IDs.
• D. Level 1 systems use a default route to reach AS external routes located in other areas.

Answer: AD

NEW QUESTION 2
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 3
What information is contained in an OSPF LSA header? (Choose two.)

• A. protocol
• B. options
• C. length
• D. subnet mask

Answer: BC

NEW QUESTION 4
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-A
• B. ISP-B
• C. ISP-C
• D. ISP-D

Answer: A

NEW QUESTION 5
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 6
Exhibit.

You are troubleshooting a route problem in the topology shown in the exhibit. The 10.30.0 0/24 route is not reachable from the R3 router. What would cause this problem?

• A. R3 does not have a route to the BGP next hop of 10.30.0.0/24
• B. R4 is not advertising the 10.30.0.0/24 route to R3
• C. R3 does not have an established BGP session with R4.
• D. R3 does not have an OSPF route for 10.30.0.0/24

Answer: A

NEW QUESTION 7
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 8
Exhibit.

Referring to the exhibit, a RMSM network is set up to enable communication between multicast devices. Which statement is true in this scenario?

• A. After the formation of the shortest-path tree, a join message is sent from R2 to R1.
• B. After the formation of the shortest-path tree, a join message is sent from R1 to R5
• C. After the formation of the shortest-path tree, a prune message is sent from R1 to R2.
• D. After the formation of the shortest-path free, a prune message is sent from R1 to R5.

Answer: C

NEW QUESTION 9
Exhibit.

Referring to the exhibit, on which three IS-IS routers will the attached bit be set? (Choose three. )

• A. R5
• B. R3
• C. R2
• D. R4
• E. R6

Answer: BCE

NEW QUESTION 10
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 11
Which statement is correct about MSTP?

• A. MSTP enables mapping multiple independent spanning tree instances onto one physical topology
• B. MSTP enables dynamic discovery of Layer 2 neighbors.
• C. MSTP dynamically manages VLAN registration in a LAN
• D. MSTP uses slacked VLAN tags to extend a Layer 2 Ethernet connection between multiple sites

Answer: A

NEW QUESTION 12
When configuring 802.1X authentication, what are three server fail fallback settings? (Choose three.)

• A. log
• B. sustain
• C. permit
• D. count
• E. move

Answer: BCE

NEW QUESTION 13
You are implementing 802.1x authentication in your Layer 2 network. Each user will have a computer and a phone and you must ensure that both device are authenticated individually.
In this scenario, which supplicant mode should be used?

• A. Single-secure
• B. Single
• C. Captive-portal
• D. multiple

Answer: B

NEW QUESTION 14
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 interface ge-0/0/1 under the IPv4 unicast realm for both routers.
• B. Add the IPv6 family protocol under ge-0/0/2 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: AB

NEW QUESTION 15
You are implementing 802.1x access control in your network of EX Series switches. You have some older client devices connecting to your network which do not support 802.1x.
Which statement is true regarding the older devices?

• A. By default, the supplicant will send EAP messages and keep the port in an unauthorized state.
• B. By default, the authenticator will send EAP messages and keep the port in an unauthorized state.
• C. By default, the supplicant will send EAP messages until it reaches a predefined limit, after which it begins to forward traffic.By default, the authenticator will send EAP messages until it reaches a predefined, after which it begins to forward traffic.

Answer: C

NEW QUESTION 16
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 17
Which two statements are correct about a functional ESI LAG interface? (Choose two )

• A. The LACP system ID must be different
• B. The LACP system ID must be the same
• C. The ESI values must be different

Answer: BC

NEW QUESTION 18
A BA classifier, input policer, and a multifield classifier are applied to an interface in which order are these features processed?

• A. policer -> BA classifier -> multifield classifier
• B. BA classifier -> multifield classifier -> policer
• C. multifield classifier -> BA classifier -> policer
• D. policer > multifield classifier -> BA classifier

Answer: A

NEW QUESTION 19
Click the Exhibit button.

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 20
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 21
which protocol is a multicast routing protocol?

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

Answer: C

NEW QUESTION 22
Exhibit.


You have applied the CoS configuration shown in the exhibit to an EX4300 switch. Which two statements are true? (Choose two. )

• A. All strict-high priority queues are serviced in a round-robin fashion as long as they have remaining credits
• B. All strict-high priority queues are serviced in a round-robin fashion regardless of available credits.
• C. Packets in low priority queues transmit only when start-high priority queues are empty
• D. Packets in low priority queues are serviced when strict-high priority queues have no available credits

Answer: AC

NEW QUESTION 23
You will to route Layer 3 PVLAN traffic within the secondary VLAN. What is required to accomplish this task?

• A. a community VIAN
• B. an IRB
• C. an FBF policy
• D. an isolated VLAN

Answer: B

NEW QUESTION 24
Exhibit.

Referring to the exhibit, which two statements are true regarding Q-in-Q tunneling? {Choose two)

• A. The C-VLAN traffic will be encapsulated with an outer VLAN tag of 10.
• B. The C-VLANs 100-200 will be sent as the inner VLAN tag
• C. The C-VLAN 150 will be sent as the inner VLAN tag
• D. The C-VLAN traffic will be encapsulated with an outer VLAN lag of 150

Answer: AB

NEW QUESTION 25
Exhibit.


You are implementing CoS for a custom application that is labeling its packets with DSCP code-point 101111. You have applied the configuration shown in the exhibit, but not that while some custom application traffic ingressin on ge-0/0/1 transits the SRX Series device successfully, packets ingressing all other ge-* interfaces are being dropped.
Which action should you take to solve this problem?

• A. Configure a scheduler and scheduler map for expedited-forwarding and apply to all interfaces.
• B. Modify the BA classifier to assign code point 101111 to loss priority low.
• C. Remove the BA classifier from all ge-interfaces.
• D. Apply the rate-limit-ef policer to all ge-interfaces.

Answer: D

NEW QUESTION 26
......