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

Question 1

Which statement is correct about access ports?

AAccess ports must have an IRB assigned to accept untagged traffic.

BBy default, access ports accept only VLAN tagged traffic.

CAccess ports must have an IRB assigned to accept VLAN tagged traffic.

DBy default, an access port can have only a single VLAN assigned.

Answer : D

Question 2

What are three types of port designation specific to Private VLANs? (Choose three.)

APromiscuous ports

BTransparent ports

CPVLAN trunk ports

DDesignated ports

EIsolated ports

Answer : A, C, E

Question 3

Given the exhibit, which two statements are correct regarding the graceful-restart state for the BGP groups? (Choose two.)

AThe graceful-restart capability will be enabled for group IBGP.

BThe graceful-restart capability will be disabled for group IBGP.

CThe graceful-restart capability will be disabled for group EBGP.

DThe graceful-restart capability will be enabled for group EBGP.

Answer : A, C

Question 4

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

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

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

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

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

Answer : A, B

https://www.juniper.net/documentation/en_US/junos/topics/concept/nsr-overview.html

Question 5

Which statement is true about IP-IP tunnels?

AThe time-to-live value of the original packet Is decremented.

BIP-IP tunnels are protocol agnostic.

CThe packet is encapsulated unchanged before entering the tunnel

DThe packet header is replaced before entering the tunnel

Answer : C

Question 6

Click the Exhibit button.

You have created a GRE tunnel as shown in the exhibit. The router with tunnel endpoint A is dropping the packets originating from User A and destined to User B.

What would cause this problem?

AEndpoint A has the internet-options gre-path-mtu-discovery parameter enabled.

CUser A requested fragmentation and Endpoint A has the clear-dont-fragment-bit parameter enabled.

CEndpoint A is missing a policy statement that allows User A's traffic into the tunnel.

DUser A is sending maximum size default Ethernet frames with the DF bit enabled.

Answer : D

Question 7

Click the Exhibit button.

Referring to the exhibit, which statement is correct?

AR1 and R2 are elected as DROthers.

BR3 has the complete OSPF database.

CR3 and R4 have an adjacency state of Full.

DR4 is elected as the DR.

Answer : B

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