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  4. JN0-349 - Enterprise Routing and Switching - Specialist (JNCIS-ENT)

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

Demo: 15 questions
Total 100 questions
Get JN0-349 Full Access Download JN0-349 PDF

Enterprise Routing and Switching - Specialist (JNCIS-ENT) Questions and Answers

Question 1

Exhibit.

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

Options:

A.

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

B.

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

C.

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

D.

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

Question 2

You need to a new ESXi host connected to port ge-0/0/1. One of the VMs configured with VLAN 10 is not reachable from any other device on the switch. To troubleshoot, you decide to verify of the VMs MAC address is learned properly under VLAN 10.

Which command would you use in this scenario?

Options:

A.

Show Ethernet-switching table vlan-id 10

B.

Show interfaces ge-0/01 detail

C.

Show vlans 10

D.

Monitor interface ge-0/01

Question 3

Click the Exhibit button.

Referring to the exhibit, which router becomes the OSPF DR when all routers are powered on at the same time?

Options:

A.

R3

B.

R4

C.

R1

D.

R2

Question 4

What are two reasons for configuring more than one VLAN on a switch? (Choose two.)

Options:

A.

A group of clients requires that security be applied to traffic entering or exiting the group's devices

B.

A group of devices must forward traffic across a WAN.

C.

A group of devices are connected to the same Layer 3 network.

D.

A group of clients requires that the group's devices receive less broadcast traffic than they are currently receiving

Question 5

Exhibit.

Your switches are managed using Junos Space Network Director. You want to secure the switches using a Network Director filter profile. A filter profile containing one term shown In the exhibit is deployed to ports on managed devices.

Which traffic will be accepted by the filter?

Options:

A.

Traffic containing a destination MAC of 02:85:05:00:00:00/24 will be accepted.

B.

All traffic will be accepted.

C.

Traffic containing a source MAC of 02:85:05:00:00:00/24 will be accepted.

D.

No traffic will be accepted.

Question 6

What BGP attribute is mostly likely to influence a remote AS that you do not peer with?

Options:

A.

This is not possible given the local scope of BGP

B.

AS path

C.

MED

D.

Local preference

Question 7

How many bytes of overhead are added to packet traversing a GRE tunnel?

Options:

A.

20

B.

24

C.

12

D.

16

Question 8

Click the Exhibit button.

Referring to the output shown in the exhibit, which two statements are true?

Options:

A.

The route is active

B.

The route is not active

C.

The route is a generate route

D.

The route is an aggregate route

Question 9

Exhibit.

Which statement is correct about the ISO NET address shown in the exhibit?

Options:

A.

The authority and format identifier (AFI) is 00.

B.

The area identifier is 0001.

C.

The system identifier is 6800.1001.00.

D.

This is not a valid NET address.

Question 10

Exhibit.

Referring to the exhibit, what do the asterisks (*) indicate?

Options:

A.

The entries are new.

B.

The router receive the entries.

C.

The entries are state.

D.

The router originated the entries.

Question 11

In which two STP states is a port active and a MAC address learned? (Choose two.)

Options:

A.

Blocking

B.

Forwarding

C.

Disabled

D.

Learning

Question 12

Click the Exhibit button.

. What is the problem?

Options:

A.

LAG requires more than two member links.

B.

Aggregated interface must be defined under the chassis stanza.

C.

The LAG member interfaces are configured across different line cards.

D.

LACP is required for LAG to work.

Question 13

Which two characteristics are true for EBGP peerings? (Choose two.)

Options:

A.

EBGP peers must be directly connected.

B.

EBGP connects peer device in the same autonomous system.

C.

EBGP connect peer devices in two different autonomous systems.

D.

EBGP peers can be connected over a multihop connection.

Question 14

You configured a GRE that traverses a path using default MTU settings. You want to ensure that packets are not dropped or fragmented.

In this scenario. What is the maximum packet size that would traverse the GRE tunnel?

Options:

A.

1500

B.

1400

C.

1524

D.

1476

Question 15

Your network is configured with dynamic ARP inspection (DAI) using the default parameters for all the DHCP and ARP related configurations. You just added a new device connected to a trunk port and configured it to obtain an IP address using DHCP.

Which two statements are correct in this scenario? (Choose two.)

Options:

A.

The DHCP server assign the IP addressing information to the new device.

B.

DAI validates the ARP packets for the new device against the DHCP snooping database.

C.

The SRP request and response packets for the new device will bypass DAI.

D.

DHCP snooping adds the DHCP assigned IP address for the device to its database.

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Demo: 15 questions
Total 100 questions
Get JN0-349 Full Access Download JN0-349 PDF