JN0-347 Exam Questions
139 real JN0-347 exam questions with expert-verified answers and explanations. Page 1 of 3.
- Question #1Ethernet Switching Security
What information is included in the DHCP snooping database? (Choose two.)
DHCP snoopingsnooping databaseMAC address bindingVLAN - Question #2Layer 2 Switching and VLANs
Which three statements are correct about the voice VLAN feature? (Choose three.)
voice VLANLLDP-MEDCoStagged packets - Question #3BGP
Which two statements are correct about aggregate routes in the Junos OS? (Choose two.)
aggregate routesJunos routingroute contributionrouting table - Question #4Layer 2 Switching and VLANs
Which device is used to separate collision domains?
collision domainnetwork devicesswitchL2 segmentation - Question #5IS-IS
What are two types of IS-IS PDUs? (Choose two.)
IS-IS PDU typeshello PDUlink-state PDUIS-IS packets - Question #6BGP
What are three extended BGP communities? (Choose three.)
BGP extended communitiesroute targetcommunity formatBGP attributes - Question #7IS-IS
Which two statements are true about DIS elections in IS-IS? (Choose two.)
DIS electionIS-IS prioritySNPAdesignated IS - Question #8Layer 2 Switching and VLANs
Host-1 was recently added in the network and is attached to ge-0/0/10 on Switch-A. Host-1 is powered on and has its interface configured with default Layer 2 settings and an IP add...
bridging tableMAC learningL2 forwardingaccess port - Question #9BGP
Router-1 and Router-2 need to connect through the Internet using a tunneling technology. Hosts that are connected to Router-1 and Router-2 will be sending traffic up to 1500 bytes....
IP-IP tunnelGRE tunneltunnel overheadMTU - Question #10OSPF
What are two interarea OSPF LSA types? (Choose two.)
OSPF LSA typesinterarea LSAType-3 LSAType-4 LSA - Question #11Ethernet Switching Security
Click the Exhibit button. Given the configuration shown in the exhibit, what will be the threshold for storm control?
storm controlbandwidth thresholdtraffic limitingKbps - Question #12Ethernet Switching Security
Click the Exhibit button. You are notified that clients connected to your EX Series switch are not receiving IP addresses from the DHCP server. You examine the switch configuration...
DHCP snoopingtrusted interfacedynamic ARP inspectionDHCP troubleshooting - Question #13Spanning Tree Protocols
Which two statements are true about STP port states? (Choose two.)
STP port stateslistening statelearning stateBPDU - Question #14Spanning Tree Protocols
Click the Exhibit button. A number of reports from end-users indicate that internal and external communications are intermittent and not reliable. You verified the status of the sw...
network loopbroadcast stormSTPloop prevention - Question #15Layer 2 Switching
Click the Exhibit button. The exhibit shows that Host-1 and Host-2 are attached to the switch and associated with IRB irb.1. However, traffic sent from Host-1 to Host-2 is not bloc...
firewall filtersIRB interfacefilter directionintra-VLAN traffic - Question #16Virtual Chassis
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 auto-upgrademember switch - Question #17Layer 2 Switching
Which two statements are correct regarding the root bridge election process when using STP? (Choose two.)
STProot bridge electionbridge priorityMAC address tiebreaker - Question #18Virtual Chassis
What would be used to combine multiple switches into a single management platform?
Virtual Chassisswitch managementEX seriessingle management platform - Question #19IP Tunneling
Which protocol supports tunneling of non-IP traffic?
GREtunneling protocolsnon-IP encapsulation - Question #20OSPF
Which three link-specific fields must match between OSPF neighbors before they form an adjacency over a broadcast medium? (Choose three.)
OSPFadjacency formationhello packet fieldsbroadcast network - Question #21Routing Policy and Firewall Filters
Which mechanism is used to share routes between routing tables?
RIB groupsrouting table sharingJunos routing architecture - Question #22IS-IS
Click the Exhibit button. Referring to the exhibit, Router-1 and Router-2 are failing to form an IS- IS adjacency. What should you do to solve the problem?
IS-ISadjacency failureISO addressinterface configuration - Question #23Routing Fundamentals
Click the Exhibit button. Referring to the exhibit, what does the asterisk (*) indicate?
routing tableroute flagsJunos CLInew route indicator - Question #24Layer 2 Switching
What are three RSTP port states? (Choose three.)
RSTPport statesdiscarding statespanning tree - Question #25OSPF
Click the Exhibit button. Referring to the exhibit, which router will be selected as the DR?
OSPFDR electionrouter prioritybroadcast network - Question #26Layer 2 Switching
Click the Exhibit button. Referring to the exhibit, what does the asterisk (*) following the ge- 0/0/5.0 interface indicate?
Junos CLIinterface active stateshow ethernet-switchingasterisk notation - Question #27Layer 2 Switching
Click the Exhibit button. Referring to the exhibit, what is the problem?
LAGaggregated interfaceschassis stanzalink aggregation configuration - Question #28Layer 2 Switching
Which two statements about RSTP are correct? (Choose two.)
RSTPSTP backward compatibilityroot bridgespanning tree evolution - Question #29BGP
Click the Exhibit button. A routing table contains multiple BGP routes to the same destination prefix. The route preference is the same for each route. Referring to the exhibit, wh...
BGPbest path selectionpath attributesroute comparison - Question #30Layer 2 Security
Which two port security features are dependent on the DHCP snooping database? (Choose two.)
DHCP snoopingdynamic ARP inspectionIP source guardport security - Question #31BGP
What is reviewed first in the BGP route selection process?
BGProute selection processnext-hop resolutionpath selection order - Question #32Routing Fundamentals
Click the Exhibit button. Referring to the exhibit, which type of route is displayed?
aggregate routeroute typesJunos routing tableroute display - Question #33Routing Fundamentals
Click the Exhibit button. Referring to the exhibit, which type of route is displayed?
aggregate routeroute typesJunos CLIrouting table output - Question #34IS-IS
Click the Exhibit button. Based on the traceoptions output shown in the exhibit, what is the problem wit h the adjacency?
IS-ISarea mismatchadjacency failuretraceoptions debugging - Question #35Layer 2 Switching
Click the Exhibit button. Based on the output shown in the exhibit, which statement is correct?
STPbridge priorityport costspanning tree output - Question #36Layer 2 Switching
Click the Exhibit button. In the exhibit, each IP subnet in the network is associated with a unique VLAN ID. Which action will ensure that Host C will communicate with Host A and H...
IRBinter-VLAN routingVLANLayer 3 switching - Question #37OSPF
Depending on the link type, OSPF sends link state update packets to which two addresses? (Choose two.)
OSPFmulticast addresseslink state update224.0.0.5 - Question #38IS-IS
Which statement about IS-IS adjacencies is true?
IS-ISLevel 1 adjacencyarea IDneighbor formation - Question #39Layer 2 Switching
Click the Exhibit button. Referring to the exhibit, you are asked to ensure that host-1 can communicate with host-3 while also allowing host-2 to communicate with host-4. What shou...
native VLANtrunk portsinter-switch linkVLAN membership - Question #40IS-IS
Click to the exhibit button. Referring to the exhibit, which configuration change is needed for an IS -IS Level 1 adjacency between R1 and R2?
IS-ISISO addressLevel 1 adjacencyarea configuration - Question #41Layer 2 Switching
Which two statements are correct about redundant trunk groups on EX Series switches? (Choose two.)
redundant trunk groupsEX Seriesuplink redundancyfailover - Question #42Layer 2 Switching
Click the Exhibit button. Referring to the exhibit, which statement is correct?
STPbridge priorityroot bridgespanning tree output - Question #43OSPF
Click to the Exhibit button. Referring to the exhibit, which router will become the BDR if all routers are powered on at the same time?
OSPFBDR electionDR/BDRrouter priority - Question #44Layer 2 Switching
Click the Exhibit button. Switch-1 in the exhibit receives a packet from User A with a destination MAC address of 00:26:88:02:74:48. Which statement is correct?
MAC tablefloodingunicast forwardingLayer 2 switching - Question #45OSPF
Which two statements are true about OSPF not-so-stubby areas? (Choose two.)
OSPF NSSAType 7 LSAASBRABR translation - Question #46Virtual Chassis
Click the Exhibit button. Given the information shown in the exhibit, what was used to determine mastership?
Virtual Chassismastership electionmember uptimeEX Series - Question #47BGP
An EBGP session sources its TCP connection from which IP address?
EBGPBGP sessionTCP connectionsource address - Question #48OSPF
Click the Exhibit button. Referring to the exhibit, which statement is true?
OSPFDR electionOSPF databaseadjacency state - Question #49Layer 2 Switching
You notice that there are currently two MAC addresses associated with a single access port in the bridge table on one of your EX Series switches. What are two explanations for this...
MAC tableaccess portIP phonerogue device - Question #50Virtual Chassis
Which two statements are correct about a Virtual Chassis? (Choose two.)
Virtual ChassisJunos versionsingle managementEX Series