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2021 Oct JN0-343 free exam questions

Q31. In your network, you have configured an EX Series switch with port-based, VLAN-based, and router-based firewall filters. The filters are applied to examine all outgoing traffic. 

In which order will they be processed by the switch? 

A. router, VLAN, port 

B. VLAN, router, port 

C. port, VLAN, router 

D. router, port, VLAN 

Answer: A 


Q32. Which OSPF reference bandwidth setting would give a 1-Gbps link a metric of 10? 

A. 10 

B. 1000 

C. 10,000,000 

D. 10,000,000,000 

Answer: D 


Q33. During OSPF neighbor adjacency formation, in which state is the initial database descriptor sequence number chosen? 

A. 2Way 

B. ExStart 

C. Exchange 

D. Loading 

Answer: B 


Q34. A router is configured with the configuration shown in the exhibit. Traffic arriving on fe-0/0/0.0 is not being routed to 10.1.1.1. What can you change to make the device route traffic arriving on fe-0/0/0.0 to 10.1.1.1? 

A. Add filter-based-forwarding enable to the configuration. 

B. Ensure that the to-10.1.1.1 routing instance has a route to 10.1.1.1. 

C. Add a from statement to the route-to-10.1.1.1 filter. 

D. Explicitly configure an interface in the default route in the to-10.1.1.1 routing instance. 

Answer: B 


Q35. You have an EX Series switch. You want to provide inter-VLAN routing between VLAN A and VLAN B. 

Which two steps must you perform? (Choose two.) 

A. Assign a VLAN ID to the Layer 3 VLAN interface. 

B. Assign at least one Layer 3 address to each VLAN. 

C. Assign interfaces configured as family Ethernet-switching to VLAN A and VLAN B. 

D. Assign interfaces configured as family inet to VLAN A and VLAN B. 

Answer: BC 


Up to the minute JN0-343 book:

Q36. Two routers have established a peering using EBGP over a single T1 link. 

How often will the routing table be synchronized between the two routers? 

A. every 30 minutes 

B. when an update message is received 

C. every 30 seconds 

D. when a notification message is received 

Answer: B 


Q37. Which statement describes a routing instance on a Junos device? 

A. A routing instance provides separation of processing resources. 

B. A routing instance provides control plane separation. 

C. A routing instance virtualizes a Junos-based device, enabling it to run multiple copies of the Junos OS on the same system. 

D. A routing instance is a unique collection of routing tables, interfaces, and routing protocol parameters. 

Answer: D 


Q38. In the exhibit, Areas 1.1.1.1 and 2.2.2.2 are configured as normal areas. In R7's OSPF configuration, the interface on the 172.30.1.0/24 network is configured with the passive option. In which LSA type does R5 receive the announcement for the 172.30.1.0/24 network? 

A. Router (Type 1) 

B. Network (Type 2) 

C. Summary (Type 3) 

D. Extern (Type 5) 

Answer: C 


Q39. Which feature allows you to drop unknown unicast traffic when exceeding a specified level? 

A. MAC limiting 

B. IP source guard 

C. storm control 

D. broadcast control 

Answer: C 


Q40. Which side of the OSPF router initiates the database description exchange? 

A. the side with the higher IP address 

B. the side with the higher router ID 

C. the side with the higher priority 

D. the side with the higher uptime 

Answer: B