JN0-343 Exam Questions

Which statements are true about graceful Routing Engines switchover (GRES)?

Configuring bpdu-timeout-action enables which protection mechanism?

Which Junos command correctly configures the ge-0/0/0.0 interface to operate only for IS-IS Level 2?

Which two OSPF LSA types can be used to advertise routes between areas? (Choose two.)

You want to ensure that interface routes appear in multiple routing instances. hich configuration accomplishes this scenario?

What is the default interval for a VRRP advertisement?

Which type of port must be an 802.1Q tagged port?

You want to allow RIP routes to be redistributed by an ASBR into the connected OSPF area, but you do not want to recieve external routes from other OSPF areas. Which OSPF area type...

What is a difference between a generated route and an aggregated route?

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?

You have enabled VRRP. You want to prevent preemptive behavior. Which two actions must you perform? (Choose two.)

Which routing table is used for all IPv4 unicast forwarding?

Which CLI command displays error statistics for an interface in real time?

Which command copies the factory-default files to your backup media?

Layer 2 interfaces can be assigned to operate in which two modes? (Choose two.)

Which three types of firewall filters are supported by Juniper Networks EX Series Ethernet switches? (Choose three.)

Your customer wants to connect a VoIP phone to interface ge-0/0/5 on an EX4200 switch in VLAN 20 and connect a PC to the VoIP phone. The PC should be part of VLAN 30. Which two com...

You review the current LSA database and you suspect that your LSA database contains stale or invalid database entries. You need to verify that your router is receiving LSAs from ot...

Which three statements are correct about the processing order of firewall filters on a Junos device? (Choose three.)

Which Junos platform provides Ethernet switching services?

You are setting up EX4200 switches in a Virtual Chassis configuration to deliver high availability. Which two actions would improve availability? (Choose two.)

Which command shows the state of OSPF adjacencies?

Which three statements are correct about an AE interface? (Choose three.)

Router R2 is having adjacency problems with Router R1. Router R2 is stuck in ExStart state. What is causing the problem?

You want to configure a tunnel between two routers, and run the IS-IS routing protocol through the tunnel. Which tunnel meets this requirement?

Which two requirements are needed to load balance traffic per flow? (Choose two.)

Which two statements are correct about the voice VLAN feature? (Choose two.)

You are analyzing packet captures on your network. You observe an OSPF Type 7 LSA. In which area type did this packet originate?

Router A and Router B are on the same network segment and in the same OSPF area. Router A receives an LSA header from Router B that is not currently in its own database. Which OSPF...

Which three statements are true of GRE tunnels? (Choose three.)

You have a traditional 3-tier network design. What are two functions of the aggregation layer? (Choose two.)

What is the default next-hop behavior for aggregate routes?

Which configuration will cause IPv4 interface routes from inet.0 to appear in the myinstance routing instance?

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-inte...

Which three networks are default Martian addresses? (Choose three.)

What is the purpose of MAC limiting?

Which two adjacencies are allowed to form when configuring IS-IS? (Choose two.)

A router is configured to use standard metrics. The router has a single link to a Level 2 IS-IS neighbor. What is the maximum metric for that link?

You want STP to behave similar to RSTP. Which three configuration settings under the [edit protocols stp] hierarchy on an EX Series switch allow this? (Choose three.)

What describes the action of the qualified-next-hop parameter in a configuration?

You are configuring a firewall filter and need to select a terminating action. What are three terminating actions? (Choose three.)

A company's Junos-based router has two EBGP peers and receives two BGP update messages with the following information: Peer A - AS path [ 65001 64513 12 ] ; MED 67 ; origin value 1...

You have been asked to configure a route to 192.168.0.0/16 that will only be active under the following criteriA. - There is an active route to 192.168.100.0/24. - The 192.168.100....

What are two BGP session types? (Choose two.)

You are asked to configure a port to support both tagged and untagged traffic. You want to make the trunk port ge-0/0/0 and also accept untagged traffic for the data VLAN. Which co...

You want to enable an Ethernet Link Aggregation Group (LAG) on an EX Series switch. Which commands enable this?

Which statement describes a routing instance on a Junos device?

Which statement is true regarding redundant trunk groups (RTGs)?

You have implemented per-packet load balancing. Which command would you use to verify that the load balancing is active?

A GRE tunnel is configured between Router1 and Router2 across the Internet. Performance on the GRE tunnel is slow and Router1 is receiving ICMP messages from Router2. What is the c...