Juniper JN0-643 Exam Practice Questions and Answers

Question 6 of 221

Which CoS feature avoids congestion in a device by limiting traffic on ingress interfaces?

A.

rewrite rule

B.

scheduler

C.

drop profile

D.

policer

Question 7 of 221

-- Exhibit

-- Exhibit

Click the Exhibit button.

Which statement is true about the IPv6 network shown in the exhibit?

A.

OSPFv2 must be configured to route IPv4 prefixes.

B.

Areas 1 and 2 cannot be a stub or NSSA.

C.

OSPFv3 can use MD5 authentication.

D.

OSPFv3 can route IPv4 prefixes.

Question 8 of 221

-- Exhibit

-- Exhibit

Click the Exhibit button.

Referring to the exhibit, what is the shortest path from R6 to R5?

A.

R6, R4, R2, R1, R3, R5

B.

R6, R4, R2, R3, R5

C.

R6, R4, R5

D.

R6, R5

Question 9 of 221

R1 and R2 are ASBRs in the same area, each with an equal cost external path to the same external network prefix. R1 advertises an external route into OSPF with a Type 1 metric. R2 advertises an external route into OSPF with a Type 2 metric.

Which route would be preferred?

A.

R1's route is preferred because Type 1 metrics take into account the external cost only.

B.

R1's route is preferred because Type 1 metrics take into account the internal and external cost.

C.

R2's route is preferred because Type 2 metrics take into account the internal and external cost.

D.

R2's route is preferred because Type 2 metrics take into account the external cost only.

Question 10 of 221

-- Exhibit

-- Exhibit

Click the Exhibit button.

Referring to the exhibit, which LSA type will Router R2 inject into Area 1?

A.

Type 3 LSA

B.

Type 4 LSA

C.

Type 5 LSA

D.

Type 7 LSA