Data Center, Professional (JNCIP-DC) v1.0
Question 1
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The host with the 00:0c:29:08:04:a0 MAC address is not reachable through a VTEP tunnel.
- B. The host with the 00:0c:29:e8:b7:39 MAC address is reachable through a VTEP tunnel.
- C. The host with the 00:0c:29:08:04:a0 MAC address is reachable through a VTEP tunnel.
- D. The host with the 00:0c:29:e8:b7:39 MAC address is not reachable through a VTEP tunnel.
Answer : CD
Question 2
You are considering deploying a MAC-VRF type routing instance with a VLAN-bundle service type.
In this scenario, which two statements are correct? (Choose two.)
- A. It can be implemented in an ERB architecture.
- B. VLAN normalization is supported.
- C. It can be implemented in a bridge overlay architecture.
- D. Multiple VLAN IDs per EVI are supported.
Answer : AD
Question 3
You are troubleshooting a problem with traffic not reaching a remote VTEP.
Referring to the exhibit, what is the reason for the problem?
- A. The remote VTEP does not have the correct VNI configured.
- B. A conflict exists with the VLAN-to-VNI mapping
- C. The local VTEP is misconfigured with the wrong VNI.
- D. No VTEP is configured on peer 192.0.2.20.
Answer : D
Question 4
Referring to the output shown in the exhibit, which two statements are correct? (Choose two.)
- A. Gateway2 is the backup forwarder.
- B. Gateway2 drops unknown unicast traffic from the core destined to the edge device.
- C. Gateway2 is responsible for sending unknown unicast traffic from the core to the edge device.
- D. Gateway2 is the designated forwarder.
Answer : AD
Question 5
In an EVPN multicast environment, which two route types facilitate IGMP join and IGMP leave behavior for multihomed sites? (Choose two.)
- A. type-7
- B. type-4
- C. type-8
- D. type-3
Answer : BC
Question 6
You are building an IP fabric underlay for your data center. You are asked to ensure that the two spine devices are in the same AS (65000) while the six leaf devices are in a different AS (65512).
In this scenario, which two statements are correct by default? (Choose two.)
- A. A leaf device will accept all BGP routes received from the spine that were originated from another leaf device.
- B. All BGP routes advertised by a leaf device will be accepted on the spine devices.
- C. All BGP routes advertised by a leaf device will be rejected on the spine devices.
- D. A leaf device will reject all BGP routes received from the spine that were originated from another leaf device.
Answer : AB
Question 7
The configuration shown in the exhibit is intended to set up assisted replication but will not commit.
Which action will create a valid configuration in this situation?
- A. Change the replicator inet address to 192.168.100.51.
- B. Delete replicator inet 192.168.100.1.
- C. Change the lo0.0 address to 192.168.100.1 primary.
- D. Change the replicator inet address to 192.168.100.101.
Answer : D
Question 8
You are required to create an IP fabric for your new data center.
In this scenario, which protocol would be used to support EVPN?
- A. IS-IS with correct TLVs enabled
- B. MP-BGP
- C. OSPF
- D. any protocol with the appropriate APIs
Answer : B
Question 9
A customer has implemented a traditional data center with numerous Layer 2 adjacency requirements. The data center is growing and the customer wants to eliminate STP and VLAN scaling issues and embrace multitenant environments while not exceeding the current QFX5120 switching table size.
Which protocol should the customer implement in this scenario?
- A. VPLS
- B. L2VPN
- C. PBB-EVPN
- D. VXLAN
Answer : C
Question 10
Referring to the exhibit, Leaf 1 and Leaf 2 are using aggregated Ethemet interfaces with automatic ESIs.
In this scenario, which statement is true?
- A. An ESI is generated for each logical interface and assigned to that logical interface.
- B. An ESI is generated for each logical interface only if the ESI for the aggregated Ethernet interface is manually configured.
- C. An ESI is generated for all interfaces at the physical interface level and applied to all aggregated and logical interfaces.
- D. An ESI is generated and assigned to all logical interfaces on the aggregated Ethernet interface.
Answer : D
Question 11
You are deploying an EBGP IP fabric.
In this scenario, which statement is true?
- A. Each spine should peer with every other spine using physical addresses.
- B. Each spine should peer with each leaf using physical addresses.
- C. Each spine should peer with every other spine using loopback addresses.
- D. Each spine should peer with each leaf using loopback addresses.
Answer : C
Question 12
Which two statements are correct about a spine and leaf-based IP fabric? (Choose two.)
- A. Clos networks demonstrate good scaling features.
- B. Traffic is diverted within the fabric when a device or link fails.
- C. There is no need for redundancy at the server level.
- D. Leaf switches broadcast frames to all other leaf devices.
Answer : BD
Question 13
The two data centers shown in the exhibit need to be connected using EVPN.
Which two statements are correct in this situation? (Choose two.)
- A. Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 2.
- B. Hosts in VLAN 10 can communicate with hosts in Data Center 2 using Layer 3.
- C. Hosts in VLAN 202 can communicate using Layer 2 between data centers.
- D. Hosts in VLAN 202 can communicate using Layer 3 between data centers.
Answer : AC
Question 14
Referring to the exhibit, what happens when you initiate ZTP on a QFX5120 switch running Junos 21.3R1.9?
- A. ZTP performs the Junos installation but skips the configuration.
- B. ZTP skips the Junos installation but applies the configuration.
- C. ZTP performs both the Junos installation and the configuration.
- D. ZTP skips both the Junos installation and the configuration.
Answer : C
Question 15
You are configuring an MX Series router to act as a Layer 3 gateway to route traffic between VXLANs in different data centers across a WAN connection.
In this scenario, what must you do to enable this communication?
- A. Configure route reflectors.
- B. Change the UDP port used by the VXLANs.
- C. Configure the IRB interfaces to connect the VXLANs.
- D. Enable PIM on all interfaces.
Answer : C