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Juniper JN0-348 - Questions & Answers

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Question 1
Multiple choice

What are two benefits of 802.3ad link aggregation? (Choose two.)

A.

It increases bandwidth.

B.

It ensures symmetrical paths.

C.

It simplifies interface configuration.

D.

It creates physical layer redundancy.

Question 2
Single choice

Which statement is true about IP-IP tunnels?

A.

Intermediate devices must have a route to the destination address of the traffic being tunneled.

B.

Intermediate devices must have a route to both the tunnel source address and the tunnel destination address.

C.

Intermediate devices must have a route to the tunnel destination address but do not require a route to the tunnel source address.

D.

Intermediate devices must have a route to the tunnel source address but do not require a route to the tunnel destination address.

Question 3
Multiple choice

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.)

A.

DHCP snooping

B.

dynamic ARP inspection

C.

MAC limiting

D.

802.1X

Question 4
Single choice

Which statement is correct about IS-IS link state PDUs?

A.

They are used to maintain link-state database synchronization.

B.

They are used to establish adjacencies.

C.

They are used to build the link-state database.

D.

They are used to determine whether the neighbors are Level 1 or Level 2.

Question 5
Single choice

Which Junos feature allows you to combine multiple interfaces into a single bundle?

A.

VRRP

B.

Virtual Chassis

C.

LAG

D.

NSB

Question 6
Single choice

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

A.

VRRP

B.

STP

C.

DHCP

D.

IS-IS

Question 7
Multiple choice

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

A.

Only a DR is elected.

B.

No type 1 LSAs are generated.

C.

No type 2 LSAs are generated.

D.

There is quicker neighbor establishment.

Question 8
Multiple choice

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

A.

EBGP peers must be directly connected.

B.

EBGP connects peer devices in the same autonomous system.

C.

EBGP connects peer devices in two different autonomous systems.

D.

EBGP peers can be connected over a multihop connection.

Question 9
Multiple choice

Which two port security features use the DHCP snooping database for additional port security? (Choose two.)

A.

dynamic ARP inspection

B.

MACsec

C.

IP Source Guard

D.

MAC learning

Question 10
Single choice

You want to configure Layer 2 services over an IP-based tunneling mechanism between two sites.

Which configuration statement is required to accomplish this task?

A.

set interfaces gr-0/0/0.0 family bridge

B.

set interfaces ip-0/0/0.0 encapsulation vlan-bridge

C.

set interfaces gr-0/0/0.0 encapsulation vlan-bridge

D.

set interfaces ip-0/0/0.0 family bridge

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