12 January, 2020

[Jan-2020-13] Leading JN0-348 Guidance

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Total 94 questions Full Exam Access

Question 1

Click the Exhibit button.
JN0-348 dumps exhibit

Given the route shown in the exhibit, which two prefixes contribute to the aggregate route? (Choose two.)

172.12.31.0/24

172.12.33.0/24

172.12.30.0/24

172.12.32.0/24

Question 2

What are two advantages of a point-to-point OSPF adjacency? (Choose two.)

Only a DR is elected.

No type 1 LSAs are generated.

No Type 2 LSAs are generated.

There are quicker neighbor establishment.

Question 3

Exhibit.
****Exhibit is Missing****
Referring to the exhibit, all users connected to the same VLAN can communicate with each other, but not with users on other VLANs in this network.
What must be configured to enable communication between the VLANs?

The switch ports to which the users are connected should be configured as trunk ports.

A logical IRB interface must be created and assigned to each VLAN.

A single logical IRB interface must be created and assigned to all three VLANs

A separate routing device is required to forward traffic between the configured VLANs.

Question 4

Which protocol prevents loops and calculates the best path through a switched network that contains redundant paths?

VRRP

STP

DHCP

IS-IS

Question 5

What are two methods for reducing the size of an OSPF link-state database? (Choose two.)

Use unique router IDs where possible.

Use identical link metrics where possible.

Use point-to-point interface types where possible

Use stub areas where possible.

Question 6

You have a conference room with an open network port that is used by employees to connect to the network. You are concerned about rogue switches being connected to this port
Which two features should you enable on your switch to limit access to this port? (Choose two.)

DHCP snooping

dynamic ARP inspection

MAC limiting

802.1X

Question 7

Exhibit.

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

Both the add-community and local-pref import policies will be evaluated routes are learned from neighbor 172.30.2.1.

Only the local –pref import will be evaluated when routes are learned neighbor 172.301.1.

No import policy will be evaluated when routes are learned from neighbor 172.30.2.1.

Only the add-community import policy will be evaluated routers are learned neighbor 172.30.1.1.

Question 8

An EBGP session sources its TCP connection from which IP address?

The IP address of the primary address assigned to the loopback interface.

The IP address of the preferred address assigned to the loopback interface.

The IP address of the interface that connects the two BGP speakers.

The IP address assigned as the router ID.

Question 9

Exhibit.

Referring to the exhibit, which statement is correct?

The ge-0/0/15 interface is using the default port cost.

This switch has a bridge priority of 8k.

This switch is currently blocking all traffic.

The ge-0/0/9 interface is using the default interface priority value.

Question 10

Exhibit.

Click the Exhibit button Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?

A level 1 and level 2 IS-IS adjacency will form

A level 2 IS4S adjacency will form

No IS-IS adjacencies will form

A level 1 IS-IS adjacency will form

Question 11

Exhibit.

Referring to the exhibit, which configuration will force traffic to always use ae0.0 as long as it is active? A)
JN0-348 dumps exhibit

Option A

Option B

Option C

Option D

Question 12

Click the Exhibit button.
JN0-348 dumps exhibit

Referring to the exhibit, Router-1 is attempting to form an EBGP session with Router-2. However, BGP routes are never exchanged between Router-1 and Router-2.
What is causing the problem?

The TCP-MSS value is set too low

The EXT group is not configured as an external type BGP peering session

The EBGP session is configured to use the wrong AS

The keep all statement is preventing the session from establishing

Question 13

Which two requirements must be satisfied before graceful restart work? [Choose two)

a stable network topology

a neighbor configured with BfD

a neighbor configured with graceful restart

a neighbors with an uptime greater than an hour

Question 14

Click the Exhibit button.
JN0-348 dumps exhibit

Your router is configured to peer with your ISP’s router using BGP. You can only control your BGP configuration.
Which address families are negotiated between the two BGP peers shown in the exhibit?

inet-unicast inet-vpn-unicast 12vpn-signaling

inet-unicast

inet-vpn-unicast

inet-unicast inet-vpn-unicast 12vpn

Question 15

Exhibit.

Referring to the exhibit, which policy will export routes to IBGP peers?

staric-4

scatic-2

static-1

static.c-2

Question 16

Click the Exhibit button.
JN0-348 dumps exhibit

Referring to the exhibit, which configuration change is needed for an IS-IS Level 1 adjacency between R1 and
R2?

Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R2

Configure the lo0 family ISO address 49.0002.0010.0042.0002.00 on R1

Enable Level 2 on R1’s ge-0/0/1 interface

Disable Level 2 on R2’s ge-0/0/1 interface

Question 17

Which two statements describe BGP attributes? (Choose two.)

BGP attributes help determine the best path to a destination.

The origin attribute indicates the autonomous systems through which the route has traversed.

BGP attributes are always optional.

The AS path attribute indicates the autonomous systems through which the route has traversed.

Question 18

Which two sequences correctly describe the processing order of firewall filters on an EX Series switch? (Choose two.)

router filter > VLAN filter > port filter > transmit packet

port filter > VLAN filter > router filter > transmit packet

receive packet > port filter > VLAN filter > router filter

receive packet > router filter > VLAN filter > port filter

Question 19

Click the Exhibit button.
JN0-348 dumps exhibit

A recent security audit indicates that peer-to-peer applications are allowed on the guest VLAN and employees may have been using the guest VLAN for this purpose. You deploy the configuration shown in the exhibit, but it does not stop the peer-to-peer traffic.
In this scenario, what must you do to implement the security policy?

Implement 802.1X on the guest VLAN

Attach the filter to the VLAN

Deploy storm control to block unknown unicast traffic

Use persistent MAC learning

Question 20

Which statement about configuring persistent MAC learning is correct?

Persistent MAC learning can be configured on access mode interfaces.

Persistent MAC learning flushes dynamically learned MAC addresses on reboots.

Persistent MAC learning cannot be configured on redundant trunk groups.

Persistent MAC learning requires 802.1 X authentication.

Question 21

Which two elements are used to create the STP bridge ID? (Choose two.)

the bridge priority value

the root port number

the port cost

the system MAC address

Question 22

Exhibit.

Which two statements are correct? (Choose two.)

The ge-0/010 interface will not participate in the RSTP topology.

This device must be selected as the root bridge.

The ge-0/0/13 interface will be selected as the forwarding interface.

The ge-0/0/10 interface will be part of the RSTP topology but will block incoming BPDUs.

Question 23

Your network connect to the Internet Through two different ISPs using EBGP. You must ensure that ISP1 is the primary path used for all traffic entering your network while using ISP2 as a backup path.
In this scenario, which statement is correct?

You should use a lower MED value on routes sent to ISP1.

You should assign a higher local preference on routers that you are sending to ISP1.

You should change the next hop for all routes sent to ISP2.

You should your local AS number three times on routes that you are sending to ISP2.

Question 24

Exhibit.

Referring to the exhibit, Router-1 and Router-2 are failing to form an IS-IS adjacency. What should you do to solve the problem?

Remove the overloaded statement from Router-1.

Change the IP subnet masks to match on the ge-0/0/2 interfaces of both routers.

Remove the ISO address from ge-0/0/2 on Router-1.

Change the ISO areas on the Io0 interfaces to match on both routers.

Question 25

Which two statements are true about high availability on Junos devices? (Choose two.)

BFD is faster at detecting failures than default GRE or OSPF timers.

NSR is independent of helper routers to assist the routing platform in restoring routing protocol information.

NSR is dependent on helper routers to assist the routing platform in restoring routing protocol information.

BFD is slower at detecting failures than default GRE or OSPF timers.

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Total 94 questions Full Exam Access