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JN0-351 by Juniper - Page 1 | ExamCademy

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Question 1

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Question 3

Which two statements about BGP facilitate the prevention of routing loops between two autonomous systems? (Choose two.)

A EBGP routers will append their AS number when advertising routes to their neighbors.
B EBGP routers will only accept routes that contain their own AS number in the AS_PATH.
C EBGP routers will drop routes that contain their own AS number in the AS_PATH.
D EBGP routers will prepend their AS number when advertising routes to their neighbors.

Question 4

Which statement is correct about IP-IP tunnels?

A IP-IP tunnels only support encapsulating IP traffic.
B IP-IP tunnels only support encapsulating non-IP traffic.
C The TTL in the inner packet is decremented during transit to the tunnel endpoint.
D There are 24 bytes of overhead with IP-IP encapsulation.

Question 5

You are combining two existing interfaces into a single LAG interface, but you do not see the LAG interface being created.

Which two actions are required to solve this problem? (Choose two.)

A Ensure that the first LAG interface name is ae1.
B Ensure that LAG is enabled on the chassis.
C Ensure that LAG is enabled on each member interface.
D Ensure that the first LAG interface name is ae0.

Question 6

Which two statements are correct about link aggregation? (Choose two.)

A IP traffic is hashed using source and destination MAC addresses.
B Member links must use the same MTU.
C All RE-generated traffic traverses the lowest member link.
D LAGs provide physical layer redundancy.

Question 7

Your BGP neighbors, one in the USA and one in France, are not establishing a connection with each other.
Referring to the exhibit, which statement is correct?

Question Image

A The BFD liveness is set too low.
B The BFD liveness must be configured on the BGP neighbor.
C The BFD liveness must be configured on the BGP group.
D The BFD liveness is set too high.

Question 8

What is the default keepalive time for BGP?

A 10 seconds
B 60 seconds
C 30 seconds
D 90 seconds

Question 9

You want to verify prefix information being sent from 10.36.1.4.
Which two statements are correct about the output shown in the exhibit? (Choose two.)

Question Image

A The routes displayed have traversed one or more autonomous systems.
B The output shows routes that were received prior to the application of any BGP import policies.
C The output shows routes that are active and rejected by an import policy.
D The routes displayed are being learned from an IBGP peer.

Question 10

You are using OSPF to advertise the subnets that are used by the Denver and Dallas offices. The routers that are directly connected to the Dallas and Denver subnets are not advertising the connected subnets.
Referring to the exhibit, which two statements are correct? (Choose two.)

Question Image

A Create static routes on the switches using the local vMX router's loopback interface for the next hop.
B Configure and apply a routing policy that redistributes the Dallas and Denver subnets using Type 5 LSAs.
C Configure and apply a routing policy that redistributes the connected Dallas and Denver subnets.
D Enable the passive option on the OSPF interfaces that are connected to the Dallas and Denver subnets.

Question 11

What is the management IP address of the device shown in the exhibit?

Question Image

A 10.210.20.233
B 172.23.12.100
C 128.0.0.1
D 172.23.11.10

Question 12

Which statement is correct about graceful Routing Engine switchover (GRES)?

A The PFE restarts and the kernel and interface information is lost.
B GRES has a helper mode and are starting mode.
C When combined with NSR, routing is preserved and the new master RE does not restart rpd.
D With no other high availability features enabled, routing is preserved and the new master RE does not restart rpd.

Question 13

Which two statements about the firewall filter terms shown in the exhibit are true? (Choose two.)

Question Image

A Traffic that matches the from statement in term one is discarded.
B All traffic not matching the from statement in term one is accepted by term two.
C Traffic that matches the from statement in term one is accepted.
D Traffic matching the from statement in term two is logged.

Question 14

You are a network operator who wants to add a second ISP connection and remove the default route to the existing ISP. You decide to deploy the BGP protocol in the network.
What two statements are correct in this scenario? (Choose two.)

A IBGP updates the next-hop attribute to ensure reachability within an AS.
B IBGP peers advertise routes received from EBGP peers to other IBGP peers.
C IBGP peers advertise routes received from IBGP peers to other IBGP peers.
D EBGP peers advertise routes received from IBGP peers to other EBGP peers.

Question 15

You want to enable redundancy for the EBGP peering between the two routers shown in the exhibit.
Which three actions will you perform in this scenario? (Choose three.)

Question Image

A Configure BGP multihop.
B Configure loopback interface peering.
C Configure routes for the peer loopback interface IP addresses.
D Configure an MD5 peer authentication.
E Configure a cluster I

Question 16

You are attempting to configure the initial two aggregated Ethernet interfaces on a router but there are no aggregated Ethernet interfaces available.
In this scenario, which configuration will enable these interfaces on this router?

Answer option image

Question 17

Which two statements about redundant trunk groups on EX Series switches are correct? (Choose two.)

A Redundant trunk groups load-balance traffic across two designated uplink interfaces.
B If the active link fails, then the secondary link automatically takes over.
C Layer 2 control traffic is permitted on the secondary link.
D Redundant trunk groups must be connected to the same aggregation switch.

Question 18

Two routers share the same highest priority and start time.
In this situation, what is evaluated next when determining the designated router?

A The router with the lowest router ID become the DR.
B The router with the highest router ID becomes the DR.
C The routers perform another DR election.
D The router with the highest MAC address become the DR.

Question 19

In RSTP, which three port roles are associated with the discarding state? (Choose three.)

A root
B backup
C alternate
D disabled
E designated

Question 20

You are concerned about spoofed MAC addresses on your LAN.
Which two Layer 2 security features should you enable to minimize this concern? (Choose two.)

A dynamic ARP inspection
B IP source guard
C DHCP snooping
D static ARP

Question 21

Referring to the output shown in the exhibit, which statement is correct?

Question Image

A The state is normal for a DR neighbor.
B The state is normal for a DRother neighbor.
C An MTU mismatch exists between the OSPF neighbors.
D An area ID mismatch exists between the OSPF neighbors.

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Know a question that should be here? Contribute to this exam

A new network requires multiple topology support. You decide to use IS-IS in this situation.
Which three protocol topologies are supported in this scenario? (Choose three.)

A IPsec
B anycast
C IPv6
D multicast
E IPv4

You are asked to configure a redundant trunk group (RTG).

Which two requirements would accomplish this task? (Choose two.)

A The RTG must be participating in a Spanning Tree topology.
B Interfaces within an RTG can be configured as access ports.
C Interfaces within an RTG must be configured as trunk ports.
D Both interfaces of an RTG must be configured to service the same VLANS.

JN0-351Preview

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