Practice Free JN0-351 Exam Online Questions
You are an operator for a network running IS-IS. Two routers are failing to form an adjacency.
What are two reasons for this problem? (Choose two.)
- A . There are mismatched router IDs on the L2 routers.
- B . There is no configured ISO address on any IS-IS interface.
- C . There is a mismatched area ID between the L2 routers.
- D . The family iso configuration is missing from the adjacency interface.
Which two statements are correct about martian routes? (Choose two.)
- A . Martian routes are never installed in the route table.
- B . Additional prefixes can be added to the list of martian routes.
- C . Martian routes only represent publicly used prefixes.
- D . Martian routes are always host addresses.
Which two statements about MACsec are true? (Choose two.)
- A . MACsec functions on point-to-multipoint connections.
- B . MACsec is an IEEE standard.
- C . MACsec functions on point-to-point connections.
- D . MACsec does not provide data integrity.
R1 was started at 4:00 PM. R2 and R3 were started at 6:00 PM. R4 was started at 10:00 PM. All routers are in Area 0 and there are no point-to-point links.
Referring to the exhibit, which router is the designated router?
- A . R4
- B . R2
- C . R1
- D . R3
Which three protocols support BFD? (Choose three.)
- A . RSTP
- B . BGP
- C . OSPF
- D . LACP
- E . FTP
What are two characteristics of RSTP alternate ports? (Choose two.)
- A . RSTP alternate ports block traffic while receiving superior BPDUs from a neighboring switch.
- B . RSTP alternate ports provide an alternate lower cost path to the root bridge.
- C . RSTP alternate ports provide an alternate higher cost path to the root bridge.
- D . RSTP alternate ports are active ports used to forward frames toward the root bridge.
You are attempting to Configure the initial two aggregated Ethernet interfaces on a router but there are no aggregated Ethernet interfaces available.
In this scenario, which configuration will enable these interfaces on this router?
A)
B)
C)
D)
- A . Option A
- B . Option B
- C . Option C
- D . Option D
When trying to commit the configuration shown in the exhibit, you receive an error.
What is the problem?
- A . You have not set the interface family correctly.
- B . You have omitted the interface-mode access command.
- C . You have omitted the interface-mode trunk command.
- D . You have not configured an IP address to the interface.
What is a purpose of using a spanning tree protocol?
- A . to look up MAC addresses
- B . to eliminate broadcast storms
- C . to route IP packets
- D . to tunnel Ethernet frames
You enable persistent MAC learning on your Juniper switch.
In this scenario, which statement is correct?
- A . You can only enable persistent MAC learning on an interface on which 802.1x authentication is configured.
- B . You can enable persistent MAC learning on an interface where MAC learning is disabled.
- C . You can enable persistent MAC learning on an interface that is part of a redundant trunk group.
- D . You can only enable persistent MAC learning on an interface in access mode.