What Validated JN0-648 Testing Bible Is

NEW QUESTION 1
Click the Exhibit button.

traffic to the best-effort queue and traffic from 192.168.20.0/24 to the expedited forwarding queue. You received notice that some applications are not working after the change.
Which configuration change will remedy the problem?

• A. [edit firewall family inet filter ingress User@host # set term 3 then accept
• B. [edit firewall family inet filter ingress User@host # set term 3 then next
• 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 2 from service-filter hit

Answer: A

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

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

Answer: BC

NEW QUESTION 3
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 4
You are deploying IP phones to a customer site. The IP phones will be installed to share a common access port with the user's desktop computer. You are required to provide a mechanism to place user data traffic and voice traffic in different VLANs for class-service application
How would you implement this solution?

• A. Configure flexible VLAN tagging on the user ports with the data and voice VLANs as members
• B. Apply a multifield classifier on the access ports that assigns voice packets to the assured forwarding class, based on the IP phone manufacturer's MAC QUI
• C. Configure the IP phones to label voice traffic with the DSCP of code point and apply a BA classifier to the access ports to classify voce traffic
• D. Configure VLAN tagging on the IP phones and use the voice VLAN feature on the access ports to assign lagged frames to the voice VLAN and untagged frames to a data VLAN

Answer: D

NEW QUESTION 5
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 6
Click the Exhibit button.

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 7
Which BGP message type contains NLRI information?

• A. notification
• B. keepalive
• C. update
• D. open

Answer: C

NEW QUESTION 8
Which two statements about BGP communities are true? (Choose two.)

• A. A prefix can only belong to one community.
• B. A prefix can belong to more than community.
• C. A community is not a transitive attribute.
• D. A BGP device can set, append, or modify the community of a route.

Answer: BD

NEW QUESTION 9
which protocol is a multicast routing protocol?

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

Answer: C

NEW QUESTION 10
You are enabling MSTP in your Layer 2 network to prevent loops.
In this scenario, which three parameters must match on all switches in the network? (Choose three. )

• A. configuration name
• B. bridge priority
• C. MSTI-to-VLAN mapping
• D. max age
• E. revision level

Answer: ACE

NEW QUESTION 11
You have configured class mode power management on an EX4300 to provide PoE power to telephone and security camera equipment. You want to ensure that security camera power takes priority over telephone power.
Which two actions would solve this problem? (Choose two.)

• A. Connect the security cameras to the lowest port numbers on the switch.
• B. Set the power priority to high on ports connected to security cameras.
• C. Set the maximum power settings on ports connected to security cameras.
• D. Set the power priority to low on ports connected to security cameras.

Answer: AB

NEW QUESTION 12
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 13
Click the Exhibit button.

You have configured and applied the policer shown in the exhibit to your Junos device. Which statement is true in this scenario?

• A. Traffic exceeding the committed-burst size will be marked with a loss priority of high.
• B. Traffic exceeding the excess-burst size will be discarded.
• C. Traffic exceeding the committed-information-rate will be rate limited.
• D. Traffic exceeding the committed-burst size will be discarded.

Answer: A

NEW QUESTION 14
Which EVPN route type is used for fast convergence and for advertising the split horizon label?

• A. Type 4
• B. Type 2
• C. Type 1
• D. Type 5

Answer: C

NEW QUESTION 15
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 16
Exhibit.

Referring to the exhibit, which two statements are true? (Choose two )

• A. There can be more than one OSPF neighbor on the ge-0/0/0 interface
• B. There can be more than one OSPF neighbor on the ge-0/0/1 interface.
• C. There is no need for a DR for the ge-0/0/0 interface.
• D. The DR election process is not finished for the ge-0/0/0 interface

Answer: BC

NEW QUESTION 17
Exhibit.

YourNet is learning the 210.210.40.0/24 route from Provider A and Provider B YourNet would like to forward traffic destined to the 210.210.40.0/24 networking using Provider B.
Referring to the exhibit, how would you accomplish this task?

• A. Add the well-known no-export community to the routes learned through R2.
• B. Apply an export policy to R1's IBGP peers to set a higher local preference.
• C. Add the well-known no-export community to the routes learned through R1.
• D. Apply an export policy to R2's IBGP peers to set a Their local preference.

Answer: D

NEW QUESTION 18
Your network has Junos Fusion configured with MX960 routers as aggregation devices (AD) and QFX5100 switches as satellite devices (SO) Which two statements are coned in this scenario? (Choose two )

• A. The AD runs the Junos software for all its connected SDs.
• B. The Fusion extended ports are configured on the SDs.
• C. SDs are added to the AD by configuring the cascade port on the AD.
• D. All SDs connected to a single AD must use the same software version.

Answer: BC

NEW QUESTION 19
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. 802.1x-> captive portal -> MAC RADIUS
• C. MAC RADIUS -> 1x -> captive portal
• D. 802.1x -> MAC RADIUS -> captive portal

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 type of BGP is used to peer with a different autonomous system?

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

Answer: A

NEW QUESTION 22
Exhibit.


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. Increase the priority on R1 to higher than R2
• B. Configure R1 with a higher local RP address
• C. Set the priority on R1 to zero
• D. Ensure R1 has a more specific group range

Answer: A

NEW QUESTION 23
Click the Exhibit button.

You have configured MSTP in your Layer 2 network. You are having problems with it establishing correctly. Referring to the exhibit, what is causing the problem?

• A. You must assign a context ID number other than zero
• B. The MSTI-to-VLAN mapping does not match
• C. The region name is not correct
• D. The revision number is the same on both devices

Answer: B

NEW QUESTION 24
Which three types of ports are used for Junos Fusion Enterprise? (Choose three. )

• A. extended port
• B. authenticated port
• C. cascade port
• D. uplink port
• E. designated port

Answer: ACD

NEW QUESTION 25
You are deploying PIM source-specific multicast (SSM) for a new multicast messaging service. You have configured the multicast source to use 235.44.123.100 as the multicast address. You are not able to join the PIM SSM multicast feed.
Which two solutions would resolve this problem? (Choose two.)

• A. Reconfigure the multicast source to use an address in the range of 224.0.0.0 through 224.255.255.255.
• B. Reconfigure the multicast source to use an address in the range of 232.0.0.0 through 232.255.255.255.
• C. Add the multicast address to the [edit routing-options multicast ssm-map] stanza.
• D. Add the multicast address to the [edit routing-options multicast ssm-groups] stanza.

Answer: BD

NEW QUESTION 26
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