JN0-647 Online Practice Questions and Answers

Click the Exhibit button.

Referring to the exhibit, what is the minimum number of MSTP regions where the topology would be implemented?

A. 3

B. 1

C. 2

D. 0

Click the Exhibit button.

A customer is concerned that the route damping policy on routes with prefixes greater than/17 is allowing too many flaps to occur. The customer does not want to change the default timer.

Referring to the exhibit, which two actions would allow fewer flaps per route? (Choose two.)

A. Increase the suppress parameter to 3500.

B. Decrease the suppress parameter to 2000.

C. Increase the half-life parameter to 45.

D. Decrease the half-life parameter to 15.

Which protocol is used for port-level access control and authentication?

A. MD5

B. IPsec

C. 802.1X

D. AES

OSFP is stuck in the ExStart state.

What is a common cause of this problem?

A. The DR priority is configured incorrectly.

B. MTUs do not match.

C. IP addresses are not configured correctly.

D. Jumbo frames are not enabled.

Click the Exhibit button.

Router R1, in peer AS 65001, advertises routes to R2 using EBGP. R2 advertises the routes learned from R1 to R3 using IBGP.

Referring to the exhibit, to which routers will R3 advertise the BGP routes received from R2?

A. R6, R7

B. R4, R5, R6, R7

C. R4, R5

D. R2, R4, R5, R6, R7

Click the Exhibit button.

Referring to the exhibit, which statement is true?

A. R1 is an ASBR.

B. R1 has the B bit set.

C. R1 is a backbone router.

D. R1 is an ABR.

Which two statements are true about PIM source-specific multicast (SSM)? (Choose two.)

A. The receiver DR builds a source-base tree to the RP.

B. S, G is always used.

C. A different group address must be used by each source.

D. IGMPv3 is required.

Click the Exhibit button.

You are configuring MSTP to prevent loops in your Layer 2 network. After applying the configuration, you notice that MSTP is not working correctly.

Referring to the exhibit, what is causing the problem?

A. Too many VLANs have been defined.

B. Context identifier must be specified.

C. MSTI-to-VLAN mappings must be the same.

D. Incorrect revision number is used.

A customer needs to pass Layer 2 protocols between sites.

Which protocol or standard would be required to implement connectivity on EX4300, EX3400, and EX2300 devices?

A. Q-in-Q

B. IGMP

C. VPLS

D. OSPF

A packet enters the router and is subject to ingress's processing. In which order is the packet processed?

A. Policer >BA classifier>multifield classifier>forwarding policy

B. multifield classifier>BA classifier>policer>forwarding policy

C. BA classifier>multifield claasssifier>policer>forwarding policy

D. forwarding policy> BA classifier>multifield classifier>policer