What Validated JN0-648 Test Engine Is

NEW QUESTION 1
Which two statements about OSPF routing policies are correct? (Choose two.)

• A. By default, OSPF export policies reject network-summary LSAs.
• B. By default, OSPF export policies accept network-summary LSAs.
• C. By default, OSPF import policies accept network-summary LSAs.
• D. By default, OSPF import policies reject network-summary LSAs.

Answer: AC

NEW QUESTION 2
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 3
Exhibit.

Referring to the exhibit, which TTL value will be sent to the LLDP neighbors?

• A. 120 seconds
• B. 200 seconds
• C. 400 seconds
• D. 90 seconds

Answer: A

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
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 6
You are implementing a single spanning tree instance in your network and want to use the protocol that will give you the best convergence time in the event of a physical network failure of the root bridge.
Which spanning tree protocol will satisfy this requirement?

• A. RSTP
• B. STP
• C. MSTP
• D. VSTP

Answer: A

NEW QUESTION 7
Click the Exhibit button.

The policy shown in the exhibit is applied as an export policy to your BGP neighborship. Which action will be taken for route 12.233.45.5?

• A. It will be evaluated by the next policy.
• B. It will be accomplished by term 1.
• C. It will be accepted by term 1.
• D. It will be rejected by term 2.
• E. It will be accepted by the default policy

Answer: C

NEW QUESTION 8
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 9
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 10
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 11
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 silently discarded and a reject message is sent to the AD.
• C. The packet is flooded out of all the ports on the SD except the one where it was received.
• D. The packet is sent to the AD to be processed and forwarded.D18912E1457D5D1DDCBD40AB3BF70D5D

Answer: D

NEW QUESTION 12
Click the Exhibit button.

You are investigating reports of increased latency and discover that some routes cause customer traffic to traverse a route reflector instead of the optimal path.
Referring to the exhibit, which configuration statement would solve the problem?

• A. delete protocols bgp group BGP-MESH peer-as
• B. set policy-options policy-statement NHS term BGP_ROUTES from external
• C. set protocols bgp group BGP-MESH import NHS
• D. delete protocols bgp group BGP-MESH export NHS

Answer: B

NEW QUESTION 13
Click the Exhibit button.

You receive the same 75.100.0.0/16 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: A

NEW QUESTION 14
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 15
When configuring class of services, what would be you use to allocate bandwidth to a forwarding class?

• A. buffer depth
• B. transmit rate
• C. bandwidth
• D. speed

Answer: B

NEW QUESTION 16
Which protocol is used for port-level access control and authentication?

• A. MD5
• B. IPsec
• C. 802.1x
• D. AES

Answer: C

NEW QUESTION 17
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 18
You are using 802.1X in your access network consisting of EX Series switches. You recently had a failure with your RADIUS server which resulted in authenticating client devices being denied access to the network. You want to change this behavior so that authenticating clients are directed to a remediation VLAN.
Which RADIUS server failback setting satisfies this requirement?

• A. permit
• B. move
• C. sustain
• D. deny

Answer: B

NEW QUESTION 19
Click the Exhibit button.

Referring to the exhibit, how is R5 able to learn the networks that exist within the NSSA?

• A. R5 learns those networks from Type 3 LSAs advertised by R2.
• B. R5 learns those networks from Type 3 LSAs advertised by R3.
• C. R5 does not learn those networks and uses a default route advertised by R3 instead.
• D. R5 does not learn those networks but uses a default route advertised by R2 instead.

Answer: D

NEW QUESTION 20
Click the Exhibit button.


You are configuring an EVPN overlay to allow VLANs to be stretched between two campus sites, but EVPN routes are not being exchanged.
Referring to the exhibit, which configuration statement would solve this problem?

• A. Apply the set protocols bgp group EVPN family inet-vpn any configuration on MX1 and MX?
• B. Apply the set protocols bgp group EVPN family EVPN signaling configuration on MX2.
• C. Apply the delete protocols bgp group EVPN multipath multiple-an configuration on MX1 and MX2
• D. Apply the delete protocols bgp group EVPN cluster 172 .1.1. 53 configuration on MX2

Answer: B

NEW QUESTION 21
which protocol is a multicast routing protocol?

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

Answer: C

NEW QUESTION 22
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