JUNIPER JNCIA JN0-101 EXAM
QUESTIONS AND ANSWERS (VERIFIED
AND UPDATED)
Which login class permission will allow a user to use the telnet utility?
A. network permission
B. maintenance permission
C. supervisor permission
D. shell permission - ANS A. network permission
Which statement is true about the forwarding table?
A. The forwarding table is stored in the control plane only
B. The forwarding table is stored in the control plane and in the forwarding plane
C. The forwarding table contains both active and inactive routes
D. The forwarding table can contain only single next hop per destination - ANS B. The
forwarding table is stored in the control plane and in the forwarding plane
When considering the default behavior of Junos platforms, which statement is true about
archiving configurations?
A. A system log message is generated, confirmed the transfer attempt
B. The destination filename format can be altered by configuration
C. The frequency the system archives the configuration cannot be changed
@2026/2027 ALLRIGHTS RESERVED.
,D. An archive log is created to track transfer attempts both failed and successful - ANS A. A
system log message is generated, confirmed the transfer attempt
Which two statements are true about terms in a routing policy? (Choose two)
A. A then statement is mandatory in a term
B. If a term does not contain a from statement, all routers match
C. If a term does not contain a from statement, the Junos OS will not commit
D. A then statement is not mandatory in a term - ANS A. A then statement is mandatory in a
term
B. If a term does not contain a from statement, all routers match
Which two statements are correct about Layer 2 broadcast frames? (Choose two)
A. Layer 2 broadcast frames are processed by all devices on the same VLAN
B. Layer 2 broadcast frames are discarded by routers that connect to multiple VLANs
C. Layer 2 broadcast frames are relayed by routers to all connected VLANs
D. Layer 2 broadcast frames are relayed by switches to devices on the same VLAN - ANS A.
Layer 2 broadcast frames are processed by all devices on the same VLAN
D. Layer 2 broadcast frames are relayed by switches to devices on the same VLAN
Which two commands allow you to return to a previous version of software on the device?
(Choose two)
A. request system software add
B. request system software downgrade
C. request system software replace
D. request system software rollback - ANS A. request system software add
D. request system software rollback
Which two fields are found in an Ethernet frame header? (Choose two)
@2026/2027 ALLRIGHTS RESERVED.
,A. TTL
B. flags
C. checksum
D. type - ANS C. checksum
D. type
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 are required?
A. set snmp trap-group my-trap-group targets 172.16.17.1
B. set snmp targets 172.16.17.1
C. set snmp trap-group my-trap-group link-status
D. set snmp trap-group my-trap-group categories link - ANS A. set snmp trap-group my-trap-
group targets 172.16.17.1
D. set snmp trap-group my-trap-group categories link
Which command do you use as a valid way to view the PICs within a router as well as the PICs'
serial numbers?
A. show chassis hardware
B. show chassis interfaces
C. show chassis pic
D. show chassis inventory - ANS A. show chassis hardware
Which command is used to enable access to J-Web using HTTPS?
A. set system remote-access prove https
B. set services remote-access profile j-web-https
C. set system services web-management https
@2026/2027 ALLRIGHTS RESERVED.
, D. set services web-management j-web-https - ANS C. set system services web-management
https
Which user authentication method is supported by the Junos OS as the last resort alternative?
A. TACACS+
B. RADIUS
C. local user database
D. enable password - ANS C. local user database
Using the command user@router# load override lastest.conf where in the file system will the
lastest.conf be located?
A. /var/home/user
B. /var/config/save0/
C. /var/tmp
D. /config - ANS A. /var/home/user
Which three steps are parts of the root password recovery process? (Choose three)
A. Reboot the device
B. Run the recovery script
C. Reset the root password
D. Reset the user passwords
E. Load factory-default configuration - ANS A. Reboot the device
B. Run the recovery script
C. Reset the root password
Which command will save the current active configuration as the rescue configuration?
A. user@router# save | rescue
B. user@router> request system configuration rescue save
@2026/2027 ALLRIGHTS RESERVED.
QUESTIONS AND ANSWERS (VERIFIED
AND UPDATED)
Which login class permission will allow a user to use the telnet utility?
A. network permission
B. maintenance permission
C. supervisor permission
D. shell permission - ANS A. network permission
Which statement is true about the forwarding table?
A. The forwarding table is stored in the control plane only
B. The forwarding table is stored in the control plane and in the forwarding plane
C. The forwarding table contains both active and inactive routes
D. The forwarding table can contain only single next hop per destination - ANS B. The
forwarding table is stored in the control plane and in the forwarding plane
When considering the default behavior of Junos platforms, which statement is true about
archiving configurations?
A. A system log message is generated, confirmed the transfer attempt
B. The destination filename format can be altered by configuration
C. The frequency the system archives the configuration cannot be changed
@2026/2027 ALLRIGHTS RESERVED.
,D. An archive log is created to track transfer attempts both failed and successful - ANS A. A
system log message is generated, confirmed the transfer attempt
Which two statements are true about terms in a routing policy? (Choose two)
A. A then statement is mandatory in a term
B. If a term does not contain a from statement, all routers match
C. If a term does not contain a from statement, the Junos OS will not commit
D. A then statement is not mandatory in a term - ANS A. A then statement is mandatory in a
term
B. If a term does not contain a from statement, all routers match
Which two statements are correct about Layer 2 broadcast frames? (Choose two)
A. Layer 2 broadcast frames are processed by all devices on the same VLAN
B. Layer 2 broadcast frames are discarded by routers that connect to multiple VLANs
C. Layer 2 broadcast frames are relayed by routers to all connected VLANs
D. Layer 2 broadcast frames are relayed by switches to devices on the same VLAN - ANS A.
Layer 2 broadcast frames are processed by all devices on the same VLAN
D. Layer 2 broadcast frames are relayed by switches to devices on the same VLAN
Which two commands allow you to return to a previous version of software on the device?
(Choose two)
A. request system software add
B. request system software downgrade
C. request system software replace
D. request system software rollback - ANS A. request system software add
D. request system software rollback
Which two fields are found in an Ethernet frame header? (Choose two)
@2026/2027 ALLRIGHTS RESERVED.
,A. TTL
B. flags
C. checksum
D. type - ANS C. checksum
D. type
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 are required?
A. set snmp trap-group my-trap-group targets 172.16.17.1
B. set snmp targets 172.16.17.1
C. set snmp trap-group my-trap-group link-status
D. set snmp trap-group my-trap-group categories link - ANS A. set snmp trap-group my-trap-
group targets 172.16.17.1
D. set snmp trap-group my-trap-group categories link
Which command do you use as a valid way to view the PICs within a router as well as the PICs'
serial numbers?
A. show chassis hardware
B. show chassis interfaces
C. show chassis pic
D. show chassis inventory - ANS A. show chassis hardware
Which command is used to enable access to J-Web using HTTPS?
A. set system remote-access prove https
B. set services remote-access profile j-web-https
C. set system services web-management https
@2026/2027 ALLRIGHTS RESERVED.
, D. set services web-management j-web-https - ANS C. set system services web-management
https
Which user authentication method is supported by the Junos OS as the last resort alternative?
A. TACACS+
B. RADIUS
C. local user database
D. enable password - ANS C. local user database
Using the command user@router# load override lastest.conf where in the file system will the
lastest.conf be located?
A. /var/home/user
B. /var/config/save0/
C. /var/tmp
D. /config - ANS A. /var/home/user
Which three steps are parts of the root password recovery process? (Choose three)
A. Reboot the device
B. Run the recovery script
C. Reset the root password
D. Reset the user passwords
E. Load factory-default configuration - ANS A. Reboot the device
B. Run the recovery script
C. Reset the root password
Which command will save the current active configuration as the rescue configuration?
A. user@router# save | rescue
B. user@router> request system configuration rescue save
@2026/2027 ALLRIGHTS RESERVED.
