JN0-343 Exam Questions

Click the Exhibit button. As shown in the exhibit, Switch-3 receives a superior BPDU from Switch- 2 over the ge-0/0/10.0 interface. Which two statements are correct? (Choose two.)

You recently implemented a Layer 2 network using RSTP. Which three statements are true regarding a topology change reconvergence scenario? (Choose three.)

Click the Exhibit button. As shown in the exhibit, three switches are connected and participating in RSTP. Switch-1 was elected the root bridge and Switch-2 has a lower-cost path t...

Which three statements are true regarding RSTP and its default behavior? (Choose three.)

Click the Exhibit button. As shown in the exhibit, you recently installed four EX Series switches in your network. These switches are using the default RSTP configuration. Which tw...

Click the exhibit button. Based on the topology and configurations shown in the exhibit, which two statements are true? (Choose two.)

Click the Exhibit button. Based on the topology and configurations shown in the exhibit, which two statements are true? (Choose two.)

Why would you configure root protection?

You want to secure an interface on a switch so that a rogue switch running STP can not be plugged into this interface. What accomplishes this objective?

You want your switch to disable an edge port when it receives spanning tree communications on that port. Which feature accomplishes this objective?

What is one benefit of the root protection feature?

You have altered the factory-default storm control configuration so that interfaces on which the storm control level is exceeded are temporarily shut down for five minutes. Which t...

Which two statements accurately describe the factory-default storm control configuration? (Choose two.)

Which three statements accurately describe the factory-default storm control configuration? (Choose three.)

You want to alter the factory-default storm control configuration so that interfaces on which the storm control level is exceeded are temporarily shut down for five minutes. Which...

What is the proper ingress processing sequence for firewall filters on an EX Series switch?

Click the Exhibit button. You just applied the Layer 2 firewall filter shown in the exhibit to a port as an input filter to block traffic from a one source MAC address. After monit...

Which three types of firewall filters are supported on EX Series switches? (Choose three.)

You want to configure per-flow equal-cost multipath (ECMP) load balancing for only the OSPF routes on Router-1. Which configuration example accomplishes this?

You want to configure per-flow load balancing for all routes on Router-1. Which configuration example accomplishes this?

Router-A has an OSPF route to destination 172.18.3.0/24 with four equal-cost paths. How will Router-A forward traffic destined to 172.18.3.5 based on Junos OS's default behavior?

Which three attributes are considered in the default configuration of per-flow load balancing for routed IPv4 traffic? (Choose three.)

You have a route in the inet.0 routing table that has four valid physical next hops assigned to it. Which event prompts an update to the information in the forwarding table for thi...

Click the Exhibit button. 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...

Which configuration excerpt is necessary to cause all traffic received on fe-0/0/0.0 to be routed to next-hop 10.1.1.1?

Click the Exhibit button. What is the purpose of the configuration shown in the exhibit?

You want to configure filter-based forwarding. What are the three required configuration elements? (Choose three.)

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

You want to ensure that all traffic arriving on interface fe-0/0/0.0 will be routed to next-hop 10.1.1.1, regardless of the more specific routes that might appear in the routing ta...

Which statement describes the operation of a stub area?

Which configuration allows the virtual IP address to respond to pings?

Why does a router create an ASBRSum (Type 4) LSA?

For two OSPF neighbors to establish a full adjacency on a broadcast medium, what information in their hello packets must match? (Choose two.)

Click the Exhibit button. In the exhibit, Area 2.2.2.2 is configured as a not-so-stubby area and Area 1.1.1.1 is configured as a normal area. R5 has an export policy that causes th...

What is preserved by enabling graceful Routing Engine switchover (GRES)?

Click the Exhibit button. In the exhibit, Areas 1.1.1.1 and 2.2.2.2 are configured as normal areas. R5 has an export policy that causes the RIP network prefixes to be announced thr...

You attach six routers (R1, R2, R3, R4, R5, and R6) to a single Ethernet LAN and configure the routers with addresses in the same subnet. You do not modify the default priority of...

Click the Exhibit button. 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 config...

Click the Exhibit button. In the exhibit, four routers (R1, R2, R3, and R4) are attached to a single Ethernet LAN and configured with addresses in the same subnet. All devices boot...

Click the Exhibit button. You configure a network according to the topology shown in the exhibit but find that users attached to R7 are having difficulty communicating with the res...

Click the Exhibit button. In the exhibit, R5 is exporting the RIP network prefixes into OSPF. You want to limit the number of LSAs sent to Area 2.2.2.2, but you want to ensure that...

Click the Exhibit button. In the exhibit, six routers (R1, R2, R3, R4, R5, and R6) are attached to a single Ethernet LAN and configured with addresses in the same subnet. All devic...

Click the Exhibit button. Five routers (R1, R2, R3, R4, and R5) are attached to a single Ethernet LAN and configured with addresses in the same subnet. R1 is chosen as the designat...

You must configure an OSPF area that must not contain any ASBRs and that must not receive any Extern (Type 5) LSAs. This area should be aware of the entire OSPF network, but it sho...

Which statement describes an OSPF area for which no-summaries is configured?

Which type of OSPF area restricts external routes from other areas but allows external routes to be flooded by ASBRs within its own area?

Which two statements are true of OSPF stub areas? (Choose two.)

Router A is configured as the VRRP master and Router B is configured as the backup. Router A has lost the mastership and has become the backup router and you need to find out why....

Which two statements are true of IS-IS? (Choose two.)

Which two statements are true regarding the election process of the DIS in IS-IS? (Choose two.)