Question 1

What is an "X" release of the Junos OS?

Accepted Answer

A)  a standard feature release 
B)  a feature velocity release 
C)  a special feature release 
D)  a feature beta release 
A)  a standard feature release 
B)  a feature velocity release 
C)  a special feature release 
D)  a feature beta release C

Question 2

Which parameter would you use to prohibit the redistribution of a static route used for management traffic?

Accepted Answer

A)  discard 
B)  passive 
C)  reject 
D)  no-readvertise 
A)  discard 
B)  passive 
C)  reject 
D)  no-readvertise D

Question 3

Routing policies contain which two types of statements? (Choose two.)

Accepted Answer

A)  then 
B)  from 
C)  default 
D)  and 
A)  then 
B)  from 
C)  default 
D)  and A,B

Question 4

Which two conditions must exist in a Junos device for traffic to transit the device to a specific destination? (Choose two.)

Accepted Answer

A)  A routing table entry for that destination must exist. 
B)  A firewall filter must exist to allow traffic to reach that destination. 
C)  A forwarding table entry for that destination must exist. 
D)  A routing policy must be in place on the device. 
A)  A routing table entry for that destination must exist. 
B)  A firewall filter must exist to allow traffic to reach that destination. 
C)  A forwarding table entry for that destination must exist. 
D)  A routing policy must be in place on the device.

Question 5

What are two services performed by the Packet Forwarding Engine? (Choose two.)

Accepted Answer

A)  to process transit traffic 
B)  to handle processes that control the device's interfaces 
C)  to maintain the routing tables 
D)  to implement stateless firewall filtering 
A)  to process transit traffic 
B)  to handle processes that control the device's interfaces 
C)  to maintain the routing tables 
D)  to implement stateless firewall filtering

Question 6

Which two statements are true about static routes in the Junos OS? (Choose two.)

Accepted Answer

A)  Static routes remain in the routing table until you remove them or until they become inactive. 
B)  Static routes must have a next hop defined. 
C)  Static routes are learned by neighboring devices and added to their routing tables. 
D)  Static routes are defined at the [edit routing-instances] hierarchy. Static routes are defined at the [edit routing-instances] hierarchy. 
A)  Static routes remain in the routing table until you remove them or until they become inactive. 
B)  Static routes must have a next hop defined. 
C)  Static routes are learned by neighboring devices and added to their routing tables. 
D)  Static routes are defined at the [edit routing-instances] hierarchy. Static routes are defined at the [edit routing-instances] hierarchy.

Question 7

Which command displays the output shown in the exhibit?

Accepted Answer

A)  show chassis hardware 
B)  show chassis temperature-thresholds 
C)  show chassis alarms 
D)  show chassis environment 
A)  show chassis hardware 
B)  show chassis temperature-thresholds 
C)  show chassis alarms 
D)  show chassis environment

Question 8

A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?

Accepted Answer

A)  The RE responds to the destination with a source unreachable notification message. 
B)  The RE responds to the source with a destination unreachable notification message. 
C)  The PFE responds to the destination with a source unreachable notification message. 
D)  The PFE responds to the source with a destination unreachable notification message. 
A)  The RE responds to the destination with a source unreachable notification message. 
B)  The RE responds to the source with a destination unreachable notification message. 
C)  The PFE responds to the destination with a source unreachable notification message. 
D)  The PFE responds to the source with a destination unreachable notification message.

Question 9

You are connected to your Junos device using an SSH connection to the fxp0 interface. No other interfaces are currently configured beyond their default settings. You commit a configuration that makes the fxp0 interface unreachable from your management network. In this scenario, how would you re-establish communication with the device?

Accepted Answer

A)  Connect to the console of the device. 
B)  Establish an SSH connection to the loopback interface. 
C)  Power off and power on the device. 
D)  Unplug the network cable and plug it back in. 
A)  Connect to the console of the device. 
B)  Establish an SSH connection to the loopback interface. 
C)  Power off and power on the device. 
D)  Unplug the network cable and plug it back in.

Question 10

Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?

Accepted Answer

A) Issue the set date ntp operational command. Issue the set date ntp operational command. B) Configure the correct NTP trusted key using the set trusted-key configuration command under the [edit system ntp] hierarchy. Configure the correct NTP trusted key using the set trusted-key configuration command under the [edit system ntp] hierarchy. C) Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy. Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the D) Reboot the router. A) Issue the set date ntp operational command. Issue the set date ntp operational command. B) Configure the correct NTP trusted key using the set trusted-key configuration command under the [edit system ntp] hierarchy. Configure the correct NTP trusted key using the set trusted-key configuration command under the [edit system ntp] hierarchy. C) Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy. Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the D) Reboot the router.

Question 11

Which keystroke combination allows users to move the cursor to the end of the command line without deleting text?

Accepted Answer

A)  Ctrl + a 
B)  Ctrl + e 
C)  Ctrl + w 
D)  Ctrl + u 
A)  Ctrl + a 
B)  Ctrl + e 
C)  Ctrl + w 
D)  Ctrl + u

Question 12

Which next-hop interface will be used to reach the 10.21.14.16 destination as shown in the exhibit?

Accepted Answer

A)  ge-0/0/0.0 
B)  ge-0/0/2.0 
C)  ge-0/0/1.0 
D)  ge-0/0/3.0 
A)  ge-0/0/0.0 
B)  ge-0/0/2.0 
C)  ge-0/0/1.0 
D)  ge-0/0/3.0

Question 13

Which two statements describe a routing policy? (Choose two.)

Accepted Answer

A)  Attribute changes applied to export policies always affect the local routing table. 
B)  Routing policies are used to choose which routes are sent to neighbors using dynamic routing protocols. 
C)  Active and inactive routes are available for export from the routing table. 
D)  A routing policy allows you to control the flow of information into the routing table. 
A)  Attribute changes applied to export policies always affect the local routing table. 
B)  Routing policies are used to choose which routes are sent to neighbors using dynamic routing protocols. 
C)  Active and inactive routes are available for export from the routing table. 
D)  A routing policy allows you to control the flow of information into the routing table.

Question 14

When a system process encounters an error, how does the Junos OS protect other processes from being impacted?

Accepted Answer

A)  Each process operates in its own shared memory space. 
B)  The Junos OS executes only one process at a time. 
C)  Each routing protocol runs as an individual process. 
D)  The Junos OS executes multiple processes simultaneously. 
A)  Each process operates in its own shared memory space. 
B)  The Junos OS executes only one process at a time. 
C)  Each routing protocol runs as an individual process. 
D)  The Junos OS executes multiple processes simultaneously.

Question 15

Which command produced the output shown in the exhibit?

Accepted Answer

A)  show interfaces filters 
B)  show interfaces terse 
C)  show interfaces summary 
D)  show interfaces extensive 
A)  show interfaces filters 
B)  show interfaces terse 
C)  show interfaces summary 
D)  show interfaces extensive

Question 16

Which two statements are true about the default behavior of Junos routing policies? (Choose two.)

Accepted Answer

A)  Routing policies control the flow of routing information going to and from the forwarding table. 
B)  Routing policies control the flow of routing information going to and from the routing table. 
C)  Routing policies can export active and inactive routes. 
D)  Routing policies can export only active routes. 
A)  Routing policies control the flow of routing information going to and from the forwarding table. 
B)  Routing policies control the flow of routing information going to and from the routing table. 
C)  Routing policies can export active and inactive routes. 
D)  Routing policies can export only active routes.

Question 17

What are two benefits realized by the disaggregated Junos OS? (Choose two.)

Accepted Answer

A)  There is increased flexibility to use different control plane versions. 
B)  The Junos VM becomes hardware-independent and can be deployed on any hypervisor without modification. 
C)  The architecture facilitates programmability through provisioning the control plane, the data path, and the platform APIs. 
D)  The platform drivers and forwarding engine are removed from the control plane to increase performance. 
A)  There is increased flexibility to use different control plane versions. 
B)  The Junos VM becomes hardware-independent and can be deployed on any hypervisor without modification. 
C)  The architecture facilitates programmability through provisioning the control plane, the data path, and the platform APIs. 
D)  The platform drivers and forwarding engine are removed from the control plane to increase performance.

Question 18

You are troubleshooting an issue and want to monitor syslog in real time. Which operational command accomplishes this task?

Accepted Answer

A)  show log messages 
B)  monitor start messages 
C)  monitor traffic interface fxp0.0 
D)  show log messages | refresh 1 
A)  show log messages 
B)  monitor start messages 
C)  monitor traffic interface fxp0.0 
D)  show log messages | refresh 1

Question 19

A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?

Accepted Answer

A)  The RE responds to the destination with a source unreachable notification message. 
B)  The RE responds to the source with a destination unreachable notification message. 
C)  The PFE responds to the destination with a source unreachable notification message. 
D)  The PFE responds to the source with a destination unreachable notification message. 
A)  The RE responds to the destination with a source unreachable notification message. 
B)  The RE responds to the source with a destination unreachable notification message. 
C)  The PFE responds to the destination with a source unreachable notification message. 
D)  The PFE responds to the source with a destination unreachable notification message.

Question 20

Which two statements describe IPv4 default behavior for BGP? (Choose two.)

Accepted Answer

A)  All active BGP routes are exported to configured EBGP neighbors. 
B)  All BGP routes are exported to configured EBGP neighbors. 
C)  All BGP routes are imported into the inet4.0 routing table. 
D)  All BGP routes are imported into the inet.0 routing table. 
A)  All active BGP routes are exported to configured EBGP neighbors. 
B)  All BGP routes are exported to configured EBGP neighbors. 
C)  All BGP routes are imported into the inet4.0 routing table. 
D)  All BGP routes are imported into the inet.0 routing table.

What is an "X" release of the Junos OS?

Which parameter would you use to prohibit the redistribution of a static route used for management traffic?

Routing policies contain which two types of statements? (Choose two.)

Which two conditions must exist in a Junos device for traffic to transit the device to a specific destination? (Choose two.)

What are two services performed by the Packet Forwarding Engine? (Choose two.)

Which two statements are true about static routes in the Junos OS? (Choose two.)

Which command displays the output shown in the exhibit?

A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?

Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?

Which keystroke combination allows users to move the cursor to the end of the command line without deleting text?

Which next-hop interface will be used to reach the 10.21.14.16 destination as shown in the exhibit?

Which two statements describe a routing policy? (Choose two.)

When a system process encounters an error, how does the Junos OS protect other processes from being impacted?

Which command produced the output shown in the exhibit?

Which two statements are true about the default behavior of Junos routing policies? (Choose two.)

What are two benefits realized by the disaggregated Junos OS? (Choose two.)

You are troubleshooting an issue and want to monitor syslog in real time. Which operational command accomplishes this task?

A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?

Which two statements describe IPv4 default behavior for BGP? (Choose two.)

Data Center Design, Specialist (JNCDS-DC)

Security Design, Specialist (JNCDS-SEC)

Cloud, Associate

Automation and DevOps, Associate

Security, Associate (JNCIA-SEC)

Mist AI, Associate (JNCIA-MistAI)

Security, Specialist

Enterprise Routing and Switching, Specialist

Service Provider Routing and Switching, Specialist

JCloud, Specialist (JNCIS-Cloud)

Mist AI, Specialist

Security, Professional

Enterprise Routing and Switching, Professional (JNCIP-ENT)

Service Provider Routing and Switching, Professional (JNCIP-SP)

New Data Center, Professional

Filters

Exam 1: Junos, Associate (JNCIA-Junos)

What is an "X" release of the Junos OS?

Which parameter would you use to prohibit the redistribution of a static route used for management traffic?

Routing policies contain which two types of statements? (Choose two.)

Which two conditions must exist in a Junos device for traffic to transit the device to a specific destination? (Choose two.)

What are two services performed by the Packet Forwarding Engine? (Choose two.)

Which two statements are true about static routes in the Junos OS? (Choose two.)

Which command displays the output shown in the exhibit?

A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?

Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?

Which keystroke combination allows users to move the cursor to the end of the command line without deleting text?

Which next-hop interface will be used to reach the 10.21.14.16 destination as shown in the exhibit?

Which two statements describe a routing policy? (Choose two.)

When a system process encounters an error, how does the Junos OS protect other processes from being impacted?

Which command produced the output shown in the exhibit?

Which two statements are true about the default behavior of Junos routing policies? (Choose two.)

What are two benefits realized by the disaggregated Junos OS? (Choose two.)

You are troubleshooting an issue and want to monitor syslog in real time. Which operational command accomplishes this task?

A packet enters a Junos device. No matching destination entry exists in the forwarding table. How will the device respond?

Which two statements describe IPv4 default behavior for BGP? (Choose two.)

Data Center Design, Specialist (JNCDS-DC)

Security Design, Specialist (JNCDS-SEC)

Cloud, Associate

Automation and DevOps, Associate

Security, Associate (JNCIA-SEC)

Mist AI, Associate (JNCIA-MistAI)

Security, Specialist

Enterprise Routing and Switching, Specialist

Service Provider Routing and Switching, Specialist

JCloud, Specialist (JNCIS-Cloud)

Mist AI, Specialist

Security, Professional

Enterprise Routing and Switching, Professional (JNCIP-ENT)

Service Provider Routing and Switching, Professional (JNCIP-SP)

New Data Center, Professional

Filters