JN0-349 Exam Questions
200 real JN0-349 exam questions with expert-verified answers and explanations. Page 1 of 4.
- Question #1Layer 2 Switching and VLANs
What are two benefits of 802.3ad link aggregation? (Choose two)
802.3adlink aggregationLAGbandwidth redundancy - Question #2BGP
Click the Exhibit button. Your router is configured to peer with your ISP's router using BGP. You can only control your BGP configuration. Which address families are negotiated bet...
BGP address familiesinet-unicastcapability negotiationpeer configuration - Question #3BGP
Which statement is true about IP-IP tunnels?
IP-IP tunnelintermediate devicesrouting requirementstunnel source destination - Question #4
You have a conference room with an open network port that is used by employees to connect to the network. You are concerned about rogue switches being connected to this port. Which...
- Question #5
Which two port security features use the DHCP snooping database for additional port security? (Choose two.)
- Question #6
You want to configure Layer 2 services over an IP-based tunneling mechanism between two sites. Which configuration statement is required to accomplish this task?
- Question #7
You are enabling dynamic ARP inspection on an EX4300 switch. Which service is enabled by default in this scenario?
- Question #8
Which two routers belong to the 172.16.0.0/22 aggregate route? (Choose two.)
- Question #9
What are two reasons for configuring more than one VLAN on a switch? (Choose two.)
- Question #10
Which two statements are correct regarding the root bridge election process when using STP? (Choose two )
- Question #11OSPF
What are two characteristics of OSPF ABRs? (Choose two.)
OSPF ABRarea border routerbackbone areainter-area routing - Question #12Layer 2 Switching and VLANs
Referring to the exhibit, which configuration will force traffic to always use ae0.0 as long as it is active?
LAGaggregated ethernetlink preferenceload balancing - Question #13
Referring to the exhibit, what will be the IS-IS adjacency result of the configurations?
- Question #14Layer 2 Security
Which two sequences correctly describe the processing order of firewall filters on an EX Series switch? (Choose two.)
firewall filtersfilter processing orderEX SeriesVLAN filter - Question #15
In which two STP states is a port active and a MAC address learned? (Choose two.)
- Question #16
Which statement is true when using LAGs with an EX4300?
- Question #17
Which statement is true about the configuration shown in the exhibit?
- Question #18Spanning Tree
You want to prevent rogue BPDUs from lab devices reaching the internal through the Lab_Switch device. Referring to the exhibit, what should be done to accomplish this task?
BPDU blockrogue BPDUbpdu-block-on-edgeSTP security - Question #19
In the exhibit, each IP subnet in the network is associated with a unique VLAN ID Which action wilt ensure that Host C will communicate with host A and Host B?
- Question #20
Which statement is correct about 1S IS link state PDUs?
- Question #21
Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?
- Question #22
Which Junos feature allows you to combine multiple interface into a single bundle?
- Question #23Tunnels
How many bytes of overhead are added to packet traversing a GRE tunnel?
GRE tunneloverhead bytesencapsulationtunneling - Question #24
Referring to the exhibit, Router-1 is attempting to form an EBGP session with Router-2. However, BGP routes are never exchanged between Router-1 and Router-2. What is causing the p...
- Question #25OSPF
Referring to the exhibit, which router becomes the OSPF DR when all routers are powered on at the same time?
DR electionOSPF prioritydesignated routersimultaneous boot - Question #26
Which statement is correct about trunk ports?
- Question #27
Referring to the output shown in the exhibit, which two statements are true?
- Question #28High Availability
Which two requirements must be satisfied before graceful restart work? [Choose two)
graceful restartBGP HAneighbor requirementsstable topology - Question #29
You need to a new ESXi host connected to port ge-0/0/1. One of the VMs configured with VLAN 10 is not reachable from any other device on the switch. To troubleshoot, you decide to...
- Question #30
What is the default BGP group type on a Junos device?
- Question #31
Which statement is correct about the ISO NET address shown in the exhibit?
- Question #32
Which protocol prevents loops and calculates the best path through a switched network that contains redundant paths?
- Question #33
Referring to the exhibit, what do the asterisks (*) indicate?
- Question #34
Which two characteristics are true for EBGP peerings? (Choose two.)
- Question #35
What are two advantages of a point-to-point OSPF adjacency? (Choose two.)
- Question #36
Your network is configured with dynamic ARP inspection (DAI) using the default parameters for all the DHCP and ARP related configurations. You just added a new device connected to...
- Question #37
You configured a GRE that traverses a path using default MTU settings. You want to ensure that packets are not dropped or fragmented. In this scenario. What is the maximum packet s...
- Question #38Spanning Tree
Based on the output shown in the exhibit, which statement is correct?
root bridgebridge prioritySTP outputport cost - Question #39High Availability
You are adding a new EX4300 member switch to your existing EX4300 Virtual Chassis. However, the new member is not running the same Junos version as the other members. By default, w...
Virtual ChassisEX4300Junos version mismatchNSSU - Question #40
Which two statements are correct. (Choose two.)
- Question #41
Referring to the exhibit, which configuration change is needed for an IS-IS Level 1 adjacency between R1 and R2?
- Question #42Layer 2 Switching and VLANs
Click the Exhibit button. What is the problem?
LAGaggregated ethernetchassis stanzaconfiguration error - Question #43BGP
Referring to the exhibit, which two statements about BGP prefixes advertised by R1 to AS 65501 are true? (Choose two.)
BGP attributesAS pathnext-hopeBGP advertisement - Question #44
What are the three possible port states when using RSTP? (Choose two.)
- Question #45
You have configured the route with an IS-IS metric of 2048. However, the IS-IS interface metric of 63 is being applied for the interface of this router. What must you do to enable...
- Question #46
When configuring firewall filters, which function does the interface-specific parameter enable on an EX Series switch?
- Question #47
Which two statements describe BGP attributes? (Choose two.)
- Question #48
Which two OSPF header fields must match to form an adjacency over a broadcast connection? (Choose two.)
- Question #49
Which statement is true about the configuration shown in the exhibit?
- Question #50
Which two statements are correct? (Choose two.)