JN0-649 Online Practice Questions and Answers

Which three configuration parameters must match on all switches within the same MSTP region? (Choose three.)

A. VLAN to instance mapping

B. revision level

C. configuration name

D. bridge priority

E. region name

Referring to the exhibit, ServerA sends a single IP packet destined to 10.0.0.127.

Which two statements correctly describe the behavior of the resulting outbound VXLAN packets that contain the original packet destined to 10.0.0.127? (Choosetwo.)

A. Router E will replicate and send a copy of the received VXLAN packet to router D.

B. Router C will send a VXLAN packet destined only to router D and router E.

C. Router D will not replicate and send a copy of the received VXLAN packet to routerE.

D. Router C will send a single VXLAN packet to one remote VTEP.

Referring to the exhibit, which statement is correct?

A. The route is learned from a multihop BGP session.

B. The route is learned from only one neighbor.

C. The route is learned from a multipath BGP session.

D. The route is learned from three different neighbors.

In OSPF, how does a router ensure that LSAs advertised to a neighboring router are received?

A. LSA flooding guarantees that all routers will receive them successfully.

B. LSAs are sent over a TCP connection.

C. LSAs are acknowledged by the neighboring router.

D. LSAs are advertised with an acknowledgement bit.

Which three statements are correct about EVPN route types? (Choose three.)

A. Type 3 routes carry replication information.

B. Type 2 routes carry endpoint MAC address information.

C. Type 2 routes carry endpoint IP address information.

D. Type 5 routes carry replication information.

E. Type 1 routes carry endpoint MAC address information.

Which two statements are correct about the deployment of EVPN-VXLAN on QFX Series devices? (Choose two.)

A. Type 1 routeadvertisements always have the single-active flag set to 1.

B. Junos OS supports underlay replication for BUM traffic forwarding.

C. Junos OS supports ingress replication for BUM traffic forwarding.

D. Type 1 route advertisements always have thesingle-active flag set to 0.

You are asked to establish interface level authentication for users connecting to your network. You must ensure that only corporate devices, identified by MAC addresses, are allowed to connect and authenticate. Authentication must be handled by a centralized server to increase scalability.

Which authentication method would satisfy this requirement?

A. MAC RADIUS

B. captive portal

C. 802.1X with single-secure supplicant mode

D. 802.1X with multiple supplicant mode

Referring to the outputs shown in the exhibit, which two statements are correct about the IS-IS adjacency? (Choose two.)

A. R1 is configured to participate in bothLevel 1 and Level 2.

B. R2 is configured to participate in both Level 1 and Level 2.

C. R1 is configured to participate in Level 2 only.

D. R2 is configured to participate in Level 2 only.

What are two similarities between OSPFv2 and OSPFv3? (Choose two.)

A. virtual links

B. support for multiple instances per link

C. 32-bit router ID

D. protocol processing per link, not persubnet

Your organization has recently acquired another company. You must carry all of the company's existing VLANsacross the corporate backbone to the existing branch locations without changing addressing and with minimal configuration. Which technology will accomplish this task?

A. Q-in-Q all-in-one bundling

B. PVLAN isolated VLAN

C. MVRP registration normal

D. EVPN-VXLAN anycast gateway