Juniper JN0-349 JNCIS-ENT Exam Practice Test Instant Access

Question 1

Click the exhibit button.

Switch-1 in the exhibit receives a packet from User A with a destination MAC address of 00:26:88:02:74:47.

Which statement in this scenario is correct?

ASwitch-1 sends the packet out ge-0/0/7 only.

BSwitch-1 sends the packet out ge-0/0/7 and ge-0/0/8.

CSwitch-1 sends the packet out ge-0/0/6, ge-0/0/7, ge-0/0/8, and ge-0/0/9.

DSwitch-1 sends the packet out ge-0/0/7, ge-0/0/8, and ge-0/0/9.

Answer : A

Question 2

Each PC and IP phone in your network is connected to a switch using the same port. All incoming data traffic is untagged and belongs to the v10 VLAN, while traffic coming from the IP phones is tagged with a VLAN value of 20 and should belong to the v20 VLAN on your switch.

In this scenario, which statement is correct?

AYou must enable the voice VLAN feature on the incoming interfaces and assign the v20 VLAN.

BYou must enable an IRB interface and assign it to the v10 and v20 VLANs.

CYou must enable LLDP-MED on the incoming interfaces and assign the v20 VLAN.

DYou must enable the guest VLAN feature on the incoming interfaces and assign the v20 VLAN.

Answer : A

Question 3

Which two statements about RSTP are correct? (Choose two.)

ARSTP is backward compatible with STP.

BRSTP permits multiple root bridges within a Layer 2 domain.

CRSTP permits only a single root bridge within a Layer 2 domain.

DRSTP is not backward compatible with STP.

Answer : A, C

Question 4

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

AUser A and User D

BUser C and User D

CUser C

DUser C, User A, and User D

Answer : B

Question 5

You notice that currently two MAC addresses are associated with a single access port in the bridge table of one of your EX Series switches.

What are two explanations for this behavior? (Choose two.)

AThe native VLAN feature has been associated with the access port.

BThe mac-move-limit feature has been disabled on the access port,

CThe access port connects to an IP phone which connects ta a host device

DThe access port connects to multiple hosts through a rogue device

Answer : A, D

Question 6

Click the Exhibit button.

You are building a network and make some configuration changes. While trying to validate these changes, you receive the error shown in the exhibit.

How would you solve this problem?

AYou must create a new VLAN called all using the VLAN ID of 30.

BYou must configure the ge-0/0/5.0 interface with family inet instead of family ethernet-switching.

CYou must configure the port mode as trunk on the ge-0/0/5.0 interface.

DYou must create two sub-interfaces on ge-0/0/5 with the appropriate VLAN member assigned to each.

Answer : C

Question 7

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.)

AConfigure DHCP on all IBGP devices.

BConfigure an IGP within your IBGP network.

CConfigure static routes to all IBGP peers.

DConfigure IBGP peerings to loopback addresses.

Answer : B, D

Juniper Enterprise Routing and Switching, Specialist Exam JN0-349 JNCIS-ENT Exam Practice Test