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

Question 1

Click the Exhibit button.

Referring to the exhibit, which port will be selected as the RSTP root port on Switch-4?

Age-0/0/13.0

Bge-0/0/8.0

Cge-0/0/9.0

Dge-0/0/12.0

Answer : D

Question 2

Which two statements about Layer 2 loop prevention protocols are correct? (Choose two.)

ARSTP distributes the current tree topology using the root bridge.

BSTP can take 30 to 50 seconds to respond to a topology change.

CRSTP can take 30 to 50 seconds to respond to a topology change.

DSTP distributes the current tree topology using the root bridge.

Answer : A, B

Question 3

Click the Exhibit button.

Referring to the exhibit, which statement is correct?

AThe device is the root bridge?

BThe spanning tree session has timed out.

CThe local bridge priority is set to 8k.

DThe bridge priority on the root device is set to 8k.

Answer : D

Question 4

What is the default route preference for BGP?

A150

B167

C170

D179

Answer : C

Question 5

Click the Exhibit button.

Referring to the exhibit, what does the asterisk(*) following the ge-0/0/5.0 interface indicate?

AIt indicates the interface is not active.

BIt indicates the interface is a trunk port.

CIt indicates the interface is an access port.

DIt indicates the interface is active.

Answer : D

Question 6

Which two statements are true about a unified in-service software upgrade (ISSU)? (Choose two.)

AThe graceful Routing Engine switchover (GRES) and nonstop active routing (NSR) features must be enabled.

BIt is possible to take PICs offline or bring them online during a unified ISSU.

CUnified ISSU is only supported by the dual Routing Engine platforms.

DThe master Routing Engine and backup Routing Engine can be running different Junos versions before performing a unified ISSU.

Answer : A, C

Question 7

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

A600 seconds

B3600 seconds

C300 seconds

D1800 seconds

Answer : C

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