JN0-343 Exam Questions

What are three types of OSPF packets? (Choose three.)

Your OSPF network consists of five Junos devices, R1 through R5, all in Area 0. You want to reset the LSDB for the entire area. Which action accomplishes this task?

Your Junos device runs OSPF and BGP. You must limit the number of BGP prefixes within the 10.0.0.0/8 address block to be redistributed into OSPF. Which parameter would help to cont...

Your Junos device is running OSPF. Which three statements are true about the output shown in the exhibit? (Choose three.) user@router> show ospf overview InstancE. master Router ID...

What is the reason for the adjacency state shown in the exhibit? user@router> show ospf neighbor Address Interface State ID Pri Dead 66.129.12.2 ge-0/0/2.0 ExStart 66.129.12.2 128...

Referring to the exhibit, which two statements are true? (Choose two.) user@router> show ospf database OSPF database, Area 0.0.0.0 Type ID Adv Rtr Seq Age Opt Cksum Len Router 5.5....

You are using traceoptions, configured as shown in the exhibit, to monitor regular OSPF communications between R1 and R2 in real time. However, you are not seeing the desired infor...

A link has failed in your IS-IS network. Which type of PDU is triggered because of the failure?

Which two statements are true about IS-IS router behavior? (Choose two.)

The exhibit shows an IS-IS network where R2 has failed. Which router becomes the new DIS?

Wide metrics have not been enabled in your IS-IS network. Referring to the exhibit, what is the IS-IS total path metric value between R1 and R2?

Referring to the exhibit, which IS-IS level is supported on the ge-0/0/2.0 interface? user@router> show isis interface ge-0/0/2.0 detail IS-IS interface database: ge-0/0/2.0 Index:...

What is the area ID for the IS-IS NET address shown in the exhibit? user@router> show interfaces lo0.0 Logical interface lo0.0 (Index 66) (SNMP ifIndex 16) Flags: SNMP-Traps Encaps...

You want to enable IS-IS on your Junos device, with ge-0/0/1 as a Level 2 only interface. Which commands are necessary?

R2 is receiving an EBGP route from R1. R3 is correctly receiving the route, but R4 is not. How would you resolve this problem?

Referring to the exhibit, you must ensure that on R1 the Internet routes learned from ISP A are more preferred than Internet routes learned from ISP B. Which statement will allow t...

Your network has multiple BGP connections to your ISP's edge router. You are asked to influence which router is used by traffic entering your network without asking the ISP to make...

Your network has multiple BGP connections to your ISP's edge router. You are asked to influence which router is used by traffic entering your network without asking the ISP to make...

You have recently configured EBGP on R1 using the ge-0/0/2 interface. You notice that the EBGP-learned routes are present on R1 but these routes are not present in the routing tabl...

You want to establish an EBGP peering session with the loopback IP address of your peer router. Which BGP parameter must be used to accomplish this task?

You are advertising your network's assigned prefixes to two upstream ISPs using BGP. You want incoming traffic to prefer ISP-A over ISP-B. Which action would you take to accomplish...

Which set of BGP attributes is preferred by the Junos OS?

Which three statements are true regarding BGP peers? (Choose three.)

What is the correct sequence of the BGP route selection process?

Your ISP reports that you are being sent a route prefix but you cannot see it in your routing table. Which two commands will help? (Choose two.)

You are configuring BGP on a new router. While attempting to commit the configuration, you receive the error shown in the exhibit. What must be done to allow the commit to complete...

You recently configured a new EBGP peering from R1 to your ISP. You are asked to determine which BGP routes are being advertised from R1 to this new EBGP neighbor. Referring to the...

You must verify whether the prefix 172.28.102.0/24 has been advertised by BGP peer 172.18.1.1 and accepted into the routing table. Which command would you use to accomplish this ta...

Prefix 172.28.102.0/24 has been advertised by BGP peer 172.18.1.1. You must verify that it has been received by your Junos device before a policy has been applied. Which command wo...

You are asked to identify a tunneling solution between two remote sites and are considering GRE and IP-IP tunnels to meet the requirement. Which two statements describe the differe...

You are asked to deploy a GRE tunnel between two remote sites. Which two statements are correct? (Choose two.)

You have deployed a GRE tunnel between Site A and Site B. The tunnel interfaces are up on both tunnel endpoints but traffic is not being passed between the remote sites. Which two...

You have configured a GRE tunnel between two remote sites. This tunnel will be used to pass traffic using RFC 1918 addressing over the Internet. You have verified that the tunnel i...

Which two statements are true about RTG? (Choose two.)

Which two steps must be performed to carry out a unified ISSU on an EX Series Virtual Chassis? (Choose two.)

You are asked to deploy graceful restart in your OSPF network. What are two requirements to accomplish this task? (Choose two.)

What are two benefits of the Bidirectional Forwarding Detection (BFD) protocol? (Choose two.)

You are asked to identify a high availability solution for your core routers and are debating between using GRES as a standalone solution or NSR. What are two primary differences b...

Referring to the output shown in the exhibit, which two statements are true? (Choose two.) {master:0} user@switch> show virtual-chassis status Virtual Chassis ID. dd7e.1747.4783 Vi...

Referring to the exhibit, which two statements are correct? (Choose two.) {master:0} user@switch> show virtual-chassis status Virtual Chassis ID. dd7e.1747.4783 Virtual Chassis Mod...

Using the configuration details shown in the exhibit, which two statements are true? (Choose two.) [edit] user@R1# show interfaces ge-0/0/1 unit 0 { family inet { address 10.10.10....

You have an Ethernet frame with an unknown destination address. Which steps are required for the switch to process and forward the Ethernet frame?

What is the purpose of the native VLAN?

Two switches are powered on at the same time on the same LAN segment. By default, what determines which switch will become the designated bridge?

You must modify the default RSTP port behavior on interface ge-0/0/9 so it can transition states immediately when a host is plugged in. It is on a half-duplex link. Which command m...

Which statement describes how root protection protects your network?

You need additional security and are configuring IP source guard. Which three statements accurately describe IP source guard? (Choose three.)

Which multicast address does RIPv2 use for route updates by default?

Which logical unit number must be configured on an interface using PPP encapsulation?

What happens when a route does not match any user configured policies?