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2021 Sep JN0-343 practice
Q41. Which two packet types are handled solely by the RE within an EX4200? (Choose two.)
A. OSPF hellos
B. DHCP relay
C. STP BPDUs
D. IP multicast traffic
Answer: AC
Q42. -- Exhibit – -- Exhibit --
User D is trying to send traffic to User B.
Referring to the exhibit, what will happen to the traffic?
A. The traffic will only be sent to User B.
B. The traffic will be flooded to all users except User D.
C. The traffic will be dropped by the switch.
D. The traffic will only be sent to User B and User C.
Answer: B
Q43. An ABR is connected to an NSSA, but it also functions as an ASBR. Which configuration disables the exporting of Type 7 LSAs into the connected NSSA?
A. no-type7
B. nssa
C. area-range
D. no-nssa-abr
Answer: D
Q44. Which Junos command correctly configures the ge-0/0/0.0 interface to operate only for IS-IS Level 2?
A. set interfaces ge-0/0/0.0 family iso level 2 enable
B. set interfaces ge-0/0/0.0 family iso level 1 disable
C. set protocols isis interface ge-0/0/0.0 level 2 enable
D. set protocols isis interface ge-0/0/0.0 level 1 disable
Answer: D
Q45. Which command is used to confirm the status of a tunnel interface?
A. show tunnel interface gr-0/0/0
B. show tunnels
C. show interfaces gr-0/0/0 detail
D. show interfaces tunnel detail
Answer: C
Renew JN0-343 book:
Q46. Which statement is true regarding redundant trunk groups (RTGs)?
A. STP and RTG can be used on the same interface.
B. An aggregated interface can be a member of an RTG.
C. Members of an RTG must carry different VLANs.
D. An RTG can contain up to 16 member links.
Answer: B
Q47. Which of the following is true of external LSAs in the Junos OS?
A. External LSAs are of Type 4.
B. Type 2 external LSAs do not consider internal reachability metrics.
C. The route preferences for Type 1 and Type 2 External LSA is 150 and 155, respectively.
D. Type 7 LSAs are never allowed in not-so-stubby areas.
Answer: B
Q48. Which two of the following are functions of the BGP update message? (Choose two.)
A. It withdraws routes that are no longer valid.
B. It notes that an unsupported option is detected from the open message.
C. It transports routing information between BGP peers.
D. It readvertises routes that have already been sent and acknowledged.
Answer: AC
Q49. You are asked to deploy a GRE tunnel between two remote sites.
Which two statements are correct? (Choose two.)
A. The tunnel endpoints must have tunnel interfaces to encapsulate the transported packets.
B. The tunnel endpoints must have tunnel interfaces to encrypt the transported packets.
C. All intermediate routers between the tunnel endpoints must have GRE transport support enabled.
D. All intermediate routers between the tunnel endpoints must have a route to the tunnel endpoints.
Answer: AD
Q50. You have both IPv4 and IPv6 running in your network. You are asked to migrate your IGP from IS-IS to OSPF. The network must retain OSPF connectivity between all routers.
Which statement is correct?
A. You must use OSPFv2 on all your routers.
B. You must use OSPFv3 on all your routers.
C. You must use OSPFv4 on all your routers.
D. IPv6 routers must continue to use IS-IS.
Answer: B