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2021 Nov JN0-370 practice exam
Q41. Host A is connected to Node1 on VLAN10. Host B is connected to Node2 on VLAN20. VLAN interfaces for both VLANs are configured on a QFabric system. Host A wants to connect to Host B but the QFabric system is missing the ARP entry of Host B.
Which statement is true?
A. Node1 will generate the ARP request for Host B and flood it in VLAN20.
B. The network Node group will generate the ARP request for Host B in VLAN20.
C. Node2 will generate the ARP request in VLAN 20.
D. Node1 will drop the packet.
Answer: B
Q42. After initial setup on a QFabric system, you investigate a Node device interface that is operationally down.
What are two reasons for this happening? (Choose two.)
A. improper installation of the optical transceiver on the Node device
B. improper configuration of the protocol family on the interface
C. improper installation of the fabric Interconnect card
D. improper configuration of the network Node group
Answer: A,C
Q43. You configured a BGP peering session between your QFabric system and an attached device, but the session is not coming up.
What are two reasons for this happening? (Choose two.)
A. The inet protocol family is not configured on the QFabric system.
B. There is a mismatching MED attribute configured.
C. There are no RVIs configured on the QFabric system.
D. The QFabric system is configured with two network Node groups.
Answer: A,C
Q44. You need to determine whether there have been core dumps from the fabric administrator within the last 24 hours.
Which command should you use?
A. show system core-dumps component FM-0
B. show system core-dumps | match last day
C. show system core-dumps
D. find /var/ -ctime -1 -a -iname "*core*"
Answer: A
Q45. QFabric systems use the bridge-vpn protocol family to perform which function?
A. Track Node device inventory.
B. Provide configuration updates to Interconnect devices.
C. Provide high availability for the Director group.
D. Exchange Layer 2 routes between system components.
Answer: D
Avant-garde JN0-370 exam topics:
Q46. -- Exhibit -- user@qfabric> show class-of-service traffic-control-profile Traffic control profile: fcoe_tcp, Index: 56843
Scheduler map: fcoe_map Guaranteed ratE. 60 percent
Traffic control profilE. lan_tcp, Index: 40964 Scheduler map: lan_map Guaranteed rate: 40 percent
-- Exhibit --
Click the Exhibit button.
Based on the exhibit, which data center bridging (DCB) feature is configured in the QFabric system?
A. shortest-path bridging (SPB)
B. priority-based flow control (PFC)
C. enhanced transmission selection (ETS)
D. quantized congestion notification (QCN)
Answer: C
Q47. You are cabling the data plane of a QFabric system using QFX3008-I Interconnect devices. You require an uplink capacity of 320 Gbps from each Node device.
Which two statements are true? (Choose two.)
A. You must explicitly enable ports 4-7 as uplink ports on the Node devices.
B. You must use QFX3500 Node devices.
C. You must use QFX3600 Node devices.
D. You must explicitly enable ports 13-16 as uplink ports on the Node devices.
Answer: A,C
Q48. -- Exhibit -- user@qfabric> show route
inet.0: 5 destinations, 5 routes (5 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
1.1.1.1/32 *[Local/0] 3d 18:26:18 Reject 2.2.2.0/24 *[Direct/0] 3d 18:18:56 via NW-NG-0:vlan.2 2.2.2.1/32 *[Local/0] 3d 18:26:18 Local via NW-NG-0:vlan.2 3.3.3.1/32 *[Local/0] 3d 18:26:18 Reject 224.0.0.5/32 *[OSPF/10] 3d 18:26:19, metric 1 MultiRecv
user@qfabric> show vlans Name Tag Interfaces default
None vlan1 None vlan2
node1:xe-0/0/20.0*, node2:xe-0/0/20.0*
vlan3 node0:xe-0/0/6.0 -- Exhibit --
Click the Exhibit button.
Referring to the exhibit, which two statements are true for hosts on VLANs 1, 2, and 3? (Choose two.)
A. Hosts on VLAN 2 should be able to reach hosts on VLAN 1.
B. Hosts on VLAN 2 should be able to reach hosts on VLAN 3.
C. Hosts on VLAN 2 cannot reach hosts on VLAN 3.
D. Hosts on VLAN 2 cannot reach hosts on VLAN 1.
Answer: C,D
Q49. You are installing a QFX3000-G QFabric system. Upon system boot, you notice no Node devices show as connected to the system.
What are two explanations for this condition? (Choose two.)
A. The Node devices are connected to ports 42 through 47 on the control plane switches.
B. The Node devices are connected to ports 0-5 on the control plane switches.
C. The Node devices' C0 and C1 ports are connected to the control plane switches.
D. The Node devices' C0 and C1 ports are connected to the Interconnect devices.
Answer: A,D
Q50. You have recently configured a BGP peering session. The session uses a Layer 3 connection from a Node device within a server Node group to a BGP router. The BGP peering session does not establish.
What is causing the problem?
A. An incorrect subnet mask is configured on the interface of the Node device.
B. An incorrect local preference is configured on the QFabric system.
C. Layer 3 interfaces cannot be associated with a server Node group.
D. An AS mismatch exists between BGP peers.
Answer: C