Online JN0-349 Dumps Help You Understand Questions Well

If you're interested in pursuing the JNCIS-ENT certification, it's important to understand the exam format and the types of questions you can expect. This is where JN0-349 questions come in. JN0-349 exam dumps questions are designed to simulate the actual certification exam, providing you with a deeper understanding of the exam format and what to expect on test day. By taking practice exams and reviewing JN0-349 questions, you can identify areas where you may need to focus your studying. Study free JN0-349 exam dumps below.

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1. Click the Exhibit button.

Referring to the exhibit, which three statements are correct? (Choose three.)

R1 and R3 can form a Layer 2 IS-IS adjacency.

R2 and R4 can form a Layer 1 IS-IS adjacency.

R3 and R4 can form a Layer 2 IS-IS adjacency.

R1 and R3 can form a Layer 1 IS-IS adjacency.

R3 and R4 can form a Layer 1 IS-IS adjacency.

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2. Click the Exhibit button.





Referring to the output shown in the exhibit, which two statements are correct? (Choose two.)

The device is not an AB

The device originated the 192.168. 1. 2 database entry.

The device originated the 192.168. 1. 1 database entry.

The device is an AB

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3. What are three reasons a BGP route would be hidden? (Choose three.)

The AS Path contains a 0.

It is suppressed by a damping policy.

The Local Preference is 0.

The next hop is unreachable.

It is rejected by a firewall term.

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4. You are configuring IBGP and you must ensure that reachability is maintained between participating routers, even if the physical topology changes.

Which two actions should you perform in this scenario? (Choose two.)

Configure DHCP on all IBGP devices.

Configure an IGP within your IBGP network.

Configure static routes to all IBGP peers.

Configure IBGP peerings to loopback addresses.

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5. Click the Exhibit button.





Your company has connections to two ISPs. Each ISP is in a separate routing instance.

You need to advertise the 0.0.0.0/0 prefix from both ISPs to all your devices.

Referring to the exhibit, which statement is true in this scenario?

You must create and apply match input filters on interfaces ge-0/0/2 and ge-0/0/3.

You must create a policy to allow traffic from your network to each IS

You must create an internal routing instance for your network.

You must create a RIB group to share interface routes.

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6. Which two statements about Martian addresses are correct? (Choose two.)

Martian addresses require a route prefix match type.

Martian addresses are not installed in the routing table by default.

Martian addresses can only be applied to the inet.0 routing table.

Martian addresses are installed in the routing table by default.

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7. Referring to the exhibit, which devices will receive the packet sent by User B?

User A and User D

User C and User D

User C

User C, User A, and User D

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8. In which adjacency state do OSPF routers determine which router is in charge of the database synchronization process?

ExStart

Exchange

2Way

Init

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9. Which two statements about Layer 2 firewall filters are correct? (Choose two.)

You can apply only one firewall filter term per filter.

You can apply only one input filter per VLA

You can apply multiple firewall filter terms per filter.

You can apply multiple input filters per VLA

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10. Which three statements describe what happens when processing a frame for a switched packet? (Choose three.)

The ingress PFE performs the MAC address lookup.

The frame enters the ingress port and is forwarded out all ports.

The frame enters the ingress port and is processed by the ingress PF

The ingress PFE sends the header information to the Routing Engine.

The egress PFE forwards the packet out the egress port towards the destination.

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11. A BGP session shows the state as active.

What does the state indicate in this scenario?

A keepalive message has been received.

The BGP session is fully established and routes are being passed.

The TCP connection is successful, and BGP is waiting for the OPEN message from its peer.

The routes are still trying to establish a TCP connection.

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12. You have an OSPF NSSA area that is also receiving IS-IS routes on the ASBR.

In this scenario, which LSA type is used to announce external IS-IS routes?

Type 7

Type 8

Type 1

Type 4

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13. Click the Exhibit button.





Which statement is true about the configuration shown in the exhibit?

Only the next-hop-self export policy will be evaluated when routes are sent to neighbor 172.30. 1.1.

Both the adv-aggregate and adv-custom export policies will be evaluated when routes are sent to neighbor 172.30.2. 1.

Both the adv-aggregate and next-hop-self export policies will be evaluated when routes are sent to neighbor 172.30. 1.1.

Only the adv-custom export policy will be evaluated when routes are sent to neighbor 172.30.2. 1.

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14. When electing a DIS in an IS-IS network, what is used to break a priority tie?

highest router ID

highest MAC address

lowest MAC address

lowest router ID

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15. By default, how long will a learned MAC address be retained in the bridge table on an EX Series switch?

600 seconds

3600 seconds

300 seconds

1800 seconds

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16. Which statement describes BFD?

BFD rapidly detects link failures.

BFD provides route loop protection.

BFD provides broadcast storm protection.

BFD provides high availability with multiple Routing Engines.

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17. Click the Exhibit button.





You are responsible for managing a Layer 2 network using RSTP for loop prevention. You recently committed the configurations shown in the exhibit. Unfortunately, Switch-2 became the root bridge and you must ensure that Switch-1 becomes the root bridge, when available, for this RSTP topology.

Referring to the exhibit, which configuration change should be performed?

Configure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a priority of 255.

Configure the system MAC on Switch-1 to be higher than the other two switches.

Configure the bridge-priority on Switch-1 as 4k.

Configure the ge-0/0/1 and ge-0/0/8 interfaces on Switch-1 to have a cost of 0.

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18. Click the Exhibit button.





Referring to the exhibit, the IRB interfaces are configured with which family?

irb

ethernet-switching

inet

l3-interface

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19. You are a service provider and have multiple customers in a building.

You are installing a new switch that can host all of your customers. However, you would like to ensure that one customer cannot see or broadcast to another customer.

You would also like to have them use a common gateway IP address from the building .

What should be used to provide this access?

VLAN

private VLAN

filter-based VLAN

Layer 2 tunneling

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20. What are three valid BGP message types? (Choose three.)

refresh

hello

database descriptor

keepalive

update

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21. Your BGP router receives routes from two upstream ISPs: ISP A and ISP B.

In this scenario, which change would you make to prefer routes from ISP A?

Set the local-preference attribute for all routes received from ISP A to 200 while all routes received from ISP B use the default local-preference value of 100.

Prepend the AS path to all routes received from ISP A while all routes received from ISP B use the default AS path value.

Change the MED value for all routes received from ISP A to 1 while all routes from ISP B remain configured with no MED value.

Set the local-preference attribute for all routes received from ISP A to 50 while all routes received from ISP B use the default local-preference value of 100.

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22. Which protocol supports tunneling of non-IP traffic?

GRE

SSH

IPsec

IP-IP

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23. Click the Exhibit button.





You are trying to form an IS-IS adjacency between Router A and Router B, but the IS-IS adjacency will not form between the two routers.

Referring to the exhibit, which action would solve this problem?

Enable level 1 IS-IS routing on Router

Enable IS-IS wide metrics on Router

Enable level 2 IS-IS routing on Router

Enable IS-IS wide metrics on Router

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24. What kind of filter would be written to protect control traffic destined for the switch?

A filter applied to the default VLAN

A filter applied to the native VLAN

A filter applied to the management interface

A filter applied to the loopback interface

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25. Click the Exhibit button.





Why is the route shown in the exhibit hidden?

The router cannot reach the protocol next hop.

An MPLS LSP is unavailable.

The router is being rejected through an import policy.

The route is being rejected through an export policy.

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26. What are three requirements to ensure proper GRE or IP-IP tunnel routing? (Choose three.)

Keepalives must be used on stateless tunneling protocols.

Tunnel endpoints must have a route that directs traffic into the tunnel.

BGP must be used on intermediate devices.

Tunnel endpoints must have a valid route to the remote endpoint.

All intermediary devices must have a route to the tunnel endpoints.

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27. What types of authentication are supported in Junos for OSPF?

Simple password

MD5 checksum

Hitless key chain of MD5 keys/checksums

All of the above

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28. Exhibit.





Referring to the exhibit, why is the route for 10.5.5.5 hidden?

It is an L3VPN route.

The next hop cannot be resolved.

It has an invalid community.

It is a Martian route.

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