JN0-102 Exam Questions
415 real JN0-102 exam questions with expert-verified answers and explanations. Page 5 of 9.
- Question #201Configuration Basics
You have been asked to configure your router to send link-related SNMP trap notifications to the network management system (NMS) located at address 172.16.17.1. Which two commands...
SNMPTrap configurationCLI commands - Question #202Junos OS Fundamentals
Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?
NTPMD5 authenticationJunos OS features - Question #203Operational Monitoring and Maintenance
A network administrator would like to view detailed interface status, properties, statistics, errors, and CoS packet counters. Which operational command will display this informati...
Operational commandsshow interfaces extensiveInterface monitoring - Question #204Operational Monitoring and Maintenance
When using the monitor traffic command on Junos devices, which UNIX-based utility is accessed?
monitor traffictcpdumpTroubleshooting tools - Question #205Operational Monitoring and Maintenance
Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?
Operational commandsshow interfaces terseInterface status - Question #206Operational Monitoring and Maintenance
A network administrator wants to verify the active alarms on interface so-0/0/0.0. Which command displays this information?
Operational commandsInterface alarmsshow interfaces extensive - Question #207Operational Monitoring and Maintenance
Your network administrator has asked you to view the real-time interface usage on ge- 0/0/0. Which command would be used?
Real-time monitoringmonitor interfaceOperational commands - Question #208Operational Monitoring and Maintenance
Which operational command would you use to quickly verify the state of all interfaces?
Operational commandsshow interfaces terseInterface state - Question #209Operational Monitoring and Maintenance
Which command displays the amount of space available on the storage media?
Operational commandsSystem storageDisk space - Question #210Operational Monitoring and Maintenance
Which command do you use to display the messages seen during the last system boot?
Operational commandsBoot messagesSystem logs - Question #211Operational Monitoring and Maintenance
Which command do you use to show active alarms?
Operational commandsSystem alarms - Question #212Operational Monitoring and Maintenance
Which command do you use as a valid way to view the PICs within a router as well as the PICs' serial numbers?
Operational commandsHardware inventoryChassis components - Question #213Operational Monitoring and Maintenance
What is a valid option when using the ping command?
ping commandNetwork troubleshootingCLI tools - Question #214Operational Monitoring and Maintenance
You issue the ping interface t1-1/1/0 bypass-routing count 1000 rapid command. Which statement is correct?
ping commandCommand parameterscount parameter - Question #215Operational Monitoring and Maintenance
You issue the ping interface t1-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command. Which statement is correct?
ping commandbypass-routingRouting principles - Question #216Operational Monitoring and Maintenance
You issue the command telnet interface ge-1/1/0 10.10.10.1 source 192.168.100.1 bypass- routing. Which statement is correct?
telnet commandbypass-routingRouting implicationsNetwork troubleshooting - Question #217Operational Monitoring and Maintenance
Which command do you issue to upgrade the current software on Junos devices?
Software upgradeSystem maintenancerequest system software add - Question #218Operational Monitoring and Maintenance
Which two commands allow you to return to a previous version of software on the device? (Choose two.)
Software rollbackSystem maintenancerequest system software rollback - Question #219Operational Monitoring and Maintenance
Which CLI command do you use to determine which files are cleanup candidates?
System maintenanceDisk cleanuprequest system storage cleanup dry-run - Question #220Operational Monitoring and Maintenance
Which three steps are part of the root password recovery process? (Choose three.)
Password recoverySystem recoveryMaintenance procedures - Question #221Junos OS Fundamentals
During a password recovery, what is the next step after configuring the system to boot into single- user mode?
password recoverysingle-user modeJunos CLI - Question #222Junos OS Fundamentals
Which statement is true regarding the password-recovery process?
password recoveryconsole connectionJunos security - Question #223Routing Fundamentals
What is the role of route preference?
route preferencerouting protocolspath selection - Question #224Routing Fundamentals
Which two statements are correct regarding default protocol preference values? (Choose two.)
route preferenceprotocol preferenceOSPFBGP - Question #225Routing Fundamentals
What is the default route preference value for EBGP?
route preferenceEBGPdefault values - Question #226Routing Fundamentals
Which two statements are correct regarding default protocol preference values? (Choose two.)
route preferenceprotocol preferenceRIPOSPFBGP - Question #227Routing Fundamentals
What is the default protocol preference for OSPF internal routes?
route preferenceOSPF internaldefault values - Question #228Configuration Basics
You are modifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value? (Choose t...
route preferenceconfigurationOSPFBGP - Question #229Routing Fundamentals
By default, if equal-cost paths exist for the same destination, which action will the router take?
equal-cost pathsload balancingrouting behavior - Question #230User Interface Options
Which command will display only direct routes?
show commanddirect routesJunos CLI - Question #231Routing Fundamentals
What are two reasons why a route might be hidden? (Choose two.)
hidden routesroute selectioninvalid next hoprouting policy - Question #232Routing Fundamentals
When attempting to view the OSPF routes in the routing table, you issue the command show route table inet.3 but no OSPF routes are displayed. What is the problem?
routing tablesOSPF routesinet.0Junos CLI - Question #233Routing Fundamentals
By default, what are three valid routing tables? (Choose three.)
routing tablesinet.0inet.3inet6.0 - Question #234User Interface Options
Which two commands would you use to view OSPF routes? (Choose two.)
show commandOSPF routesrouting tableJunos CLI - Question #235Routing Fundamentals
Which statement is true about routing tables on a Junos device?
routing tableforwarding tableJunos architecture - Question #236Routing Fundamentals
Which two statements are true about the forwarding table? (Choose two.)
forwarding tableactive routestransit packetspacket forwarding engine - Question #237Routing Fundamentals
Which statement is true about the forwarding table?
forwarding tablecontrol planeforwarding planeJunos architecture - Question #238Routing Fundamentals
Which statement is true about a routing table?
routing tableroute selectionaccepted routes - Question #239Routing Fundamentals
Which statement is true about the routing table?
routing tablecontrol planeJunos architecture - Question #240Configuration Basics
You have been asked to create a static route with a next hop that is not directly connected to the router. Which configuration parameter enables the static route to accomplish this...
static routesrecursive lookupnext-hop resolutionJunos configuration - Question #241Configuration Basics
You have been asked to configure your MX240 with a default route toward your upstream ISP at IP address 192.168.100.1. Which command successfully completes this task?
static routingdefault routeJunos configuration - Question #242Routing Fundamentals
Which protocol creates a complete database of the network topology prior to calculating the optimal route?
routing protocolslink-state routingOSPF - Question #243Routing Fundamentals
Which statement describes an advantage of dynamic routing?
dynamic routingstatic routingscalability - Question #244Routing Fundamentals
What is an advantage of dynamic routing?
dynamic routingnetwork availabilityredundancy - Question #245Routing Fundamentals
Which statement describes an advantage of dynamic routing?
dynamic routingnetwork implementationscalability - Question #246Routing Fundamentals
You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the n...
OSPFdynamic routingnetwork designredundancy - Question #247Operational Monitoring and Maintenance
Which three SONET network elements are used for troubleshooting? (Choose three.)
SONETnetwork elementstroubleshooting - Question #248Junos OS Fundamentals
Which application would be suited for UDP traffic?
UDPtransport protocolsstreaming - Question #249Junos OS Fundamentals
Which two loopback types are supported for serial interfaces on Juniper devices? (Choose two.)
serial interfacesloopbackJunos interfaces - Question #250Operational Monitoring and Maintenance
When you display the routing table by entering the show route command, what does the * indicate?
Junos CLIshow routerouting tableactive route