JN0-343 Exam Questions
510 real JN0-343 exam questions with expert-verified answers and explanations. Page 1 of 11.
- Question #1
An administrator finds that traffic from a large file download over an HTTP session is not load- balanced across multiple links in a LAG. What is the possible cause?
- Question #2
In the following output, what does the asterisk indicate?
- Question #3
What is the default behavior of a trunk port when it receives transit traffic without a VLAN tag?
- Question #4
Which configuration correctly sets interface ge-0/0/4 in trunk mode, carrying VLANs v10 and v20?
- Question #5
Which configuration summarizes external routes in the 172.16.0.0/22 range into a single prefix on an ABR for Area 1?
- Question #6
What is the correct sequence of OSPF adjacency formation?
- Question #7
Which BGP attributes are listed in the correct route selection order?
- Question #8
When processing inbound Ethernet frames, which firewall filter is evaluated first by an EX Series switch?
- Question #9
Which of the following can be used for both security and loop prevention?
- Question #10
Which protocol is an IGP?
- Question #11
What is the default OSPF designated router (DR) priority?
- Question #12
Which instance type is used when configuring filter-based forwarding?
- Question #13
What are three states for RSTP? (Choose three.)
- Question #14
Which statement regarding redundant trunk groups (RTGs) is true?
- Question #15
When the DF bit is set, which two actions will a router perform by default on a packet that is larger than the MTU of the interface? (Choose two.)
- Question #16
Which two commands can be used to show the content of a bridge table? (Choose two.)
- Question #17
During OSPF neighbor adjacency formation, in which state is the initial database descriptor sequence number chosen?
- Question #18
A network with five switches has been configured to run Rapid Spanning Tree Protocol (RSTP) with default settings. How many seconds does it take to detect a failure between two nei...
- Question #19
Which side of the OSPF router initiates the database description exchange?
- Question #20
Two routers functioning as DR other on a broadcast link will establish which kind of OSPF neighbor state with each other?
- Question #21
Which statement regarding the benefits of using GRE instead of IP-IP tunneling is true?
- Question #22
Given that ge-0/1/1 is set up as a trunk port, which command set will NOT successfully set the trunk to carry VLANs 10 and 11?
- Question #23
Which two statements are true regarding a designated intermediate system (DIS) in an IS-IS network? (Choose two.)
- Question #24
Which operational command can verify load balancing?
- Question #25
By default, how is the best IGP path determined when there are multiple equal-cost paths to a destination?
- Question #26
Which STP protection feature should you use to prevent an inadvertent change in topology caused by the receipt of a superior BPDU on an access interface?
- Question #27
Which Junos operational mode command displays all BGP routes sent to the 172.16.1.1 peer?
- Question #28
Which option shows the configuration syntax for a routed VLAN interface on an EX Series switch?
- Question #29
Which of the following is a spanning tree option in EX Series switches?
- Question #30
Which type of route is shown in the following output?
- Question #31
You have connected a spanning-tree-enabled device to your spanning-tree-enabled switch, but the switch port does not forward traffic, even after you remove the device. Which comman...
- Question #32
Which BGP attribute can modify only an adjacent AS's optimal entry point into the local AS?
- Question #33
A generated route is used to create a route of last resort when BGP routes from the 10.0.0.0/23 block are present. Given the following output, which next hop will be used as the fo...
- Question #34
Which three statements are true regarding VRRP communications? (Choose three.)
- Question #36
Which two statements about NAT and PAT are true? (Choose two.)
- Question #37
What is the role of route preference?
- Question #39
By default, what is the IP time-to-live (TTL) value for an EBGP session?
- Question #40
Which OSPF LSA type has a domain flooding scope?
- Question #41
On a broadcast, multi access network, which two criteria are used for electing a designated intermediate system? (Choose two.)
- Question #42
Which command verifies that graceful Routing Engine switchover (GRES) is operational?
- Question #43
Which command on an EX Series switch allows for the configuration of the duplex setting on multiple interfaces at the same time?
- Question #44
You have two ABRs in the same NSSA area. What translates Type 7 LSAs to Type 5 LSAs?
- Question #45
What is the default value of the TTL in a VRRP advertisement?
- Question #46
Which port is selected as the designated port if a designated bridge has multiple ports connected to a LAN segment?
- Question #47
Which communication protocol does IS-IS use?
- Question #48
Filter-based forwarding requires a match filter, a routing instance, and which of the following?
- Question #49
Which command can be used to verify whether a BGP prefix is being advertised to a specific neighbor?
- Question #50
Which two statements are true regarding an RVI? (Choose two.)
- Question #51
Which two BGP message types are valid? (Choose two.)
- Question #52
Which virtual interface is used to configure a GRE tunnel?