Exam Code: JN0-343 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: uniper Networks Certified Internet Specialist (JNCIS-ENT)
Certification Provider: Juniper
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2021 Oct JN0-343 latest exam
Q31. Which statement is correct regarding the VLAN factory-default configuration on an EX Series switch?
A. The default configuration assigns the default VLAN to use ID 0.
B. The default configuration assigns the default VLAN to use ID 10.
C. The default configuration assigns all switch ports to the default VLAN.
D. The default configuration assigns the management port only to the default VLAN.
Answer: C
Q32. A network administrator has just received a new EX Series switch to replace a router and Layer 2 switch. The network administrator has configured all of the Layer 2 parameters, however users are reporting that they can only reach devices within their own VLAN.
What would solve the problem?
A. The network administrator must configure inter-VLAN routing.
B. The network administrator must administratively enable the VLAN.
C. The network administrator needs to clear the ARP table.
D. The network administrator needs to clear the bridge table.
Answer: A
Q33. In the configuration shown in the exhibit, you want to form an EBGP peering relationship to the loopback address of a router administered by your ISP, but the session will not establish. What is causing the problem?
A. EBGP cannot peer to a virtual address.
B. The EBGP session needs to be explicitly configured with multihop.
C. The EBGP session needs to be explicitly configured as type external.
D. The autonomous system information needs to be configured under [protocols bgp].
Answer: B
Q34. Which two commands can be used to show the content of a bridge table? (Choose two.)
A. show ethernet-switching table
B. show route forwarding-table family ethernet-switching
C. show bridging table
D. show forwarding table
Answer: AB
Q35. What is the purpose of MAC limiting?
A. MAC limiting limits the size of the CAM table and accelerates the aging of MAC addresses.
B. MAC limiting sets a maximum rate on addresses learned over a period of time to minimize possible congestion caused by flooding.
C. MAC limiting limits the number of source MAC addresses that may be learned on an interface and protects it from MAC spoofing.
D. MAC limiting on a Layer 3 interface prevents a duplicate MAC address for a single IP address.
Answer: C
Latest JN0-343 test preparation:
Q36. Referring to the exhibit, a packet destined to 172.129.3.5 is sent from ISP X towards R1.
Which statement describes how R1 handles the packet?
A. It sends ICMP network unreachable messages back to the source.
B. It forwards the packet towards Network A.
C. It silently drops the packet and does not send a message back to the source.
D. It forwards the packet towards Network C.
Answer: A
Q37. What are three common characteristics of OSPF and IS-IS? (Choose three.)
A. Both routing protocols maintain a link-state database calculated using the Dijkstra shortest path first algorithm.
B. Both routing protocols elect a designated router and backup designated router for a shared LAN segment.
C. Both routing protocols use hello packets to form and maintain adjacencies.
D. Both routing protocols use a SHA-1 hash for authentication purposes.
E. Both routing protocols allow for address summarization between areas.
Answer: ACE
Q38. -- Exhibit –
-- Exhibit --
User B is sending traffic to the destination MAC address of 00:26:88:02:74:89. Referring to the exhibit, which statement is true?
A. All users will receive the traffic.
B. Only User A will receive the traffic.
C. Only User D will receive the traffic.
D. Both Users A and D will receive the traffic.
Answer: D
Q39. Which statement is true about IS-IS hello (IIH) PDUs?
A. The same IIH PDU is used for both point-to-point and broadcast networks.
B. IIH PDUs maintain the link-state database synchronization.
C. IIH PDUs provide the priority value used in DIS election.
D. IIH PDUs are transmitted only at the beginning of adjacency establishment.
Answer: C
Q40. Which statement is true regarding the minimum-interval configuration shown below?
user@router# show ospf
area 0.0.0.0 {
interface ge-0/0/1.0 {
bfd-liveness-detection {
minimum-interval 300;
}
}
}
A. It is the minimum hold time before BFD informs OSPF that the BFD session has been torn down.
B. It enables minimum transmit and receive intervals for 300 ms.
C. It enables minimum transmit and receive intervals for 300 seconds.
D. It is the minimum amount of time that the BFD session must remain alive before changing state.
Answer: B