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

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.

Which command displays the output shown in the exhibit?

A. show chassis hardware

B. show chassis temperature-thresholds

C. show chassis alarms

D. show chassis environment

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

A. show log messages

B. monitor start messages

C. monitor traffic interface fxp0.0

D. show log messages | refresh 1

In your configuration, an interface contains multiple IP addresses belonging to the same subnet. You want to identify the IP address to use for packets sent to hosts on the same subnet.
Which parameter would you use to accomplish this task?

A. patch

B. primary

C. preferred

D. relative

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?

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.

Which statement is true about the orlonger route-filter match type?

A. All routes within the specified prefix that are longer than or equal to the given prefix are considered a match.

B. All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match.

C. All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match.

D. All routes within the specified prefix that are longer than the given prefix are considered a match.

Referring to the exhibit, what will be the result?

A. The device will boot in single-user mode at the operational prompt.

B. The device will boot in multi-user mode at the configuration prompt.

C. The device will boot into single-user mode at the shell prompt.

D. The device will boot into multi-user mode at the shell prompt.

You configured the route filter shown in the exhibit.
 
In this scenario, which IP addresses would term-One accept?

A. IP addresses that are part of the 172.35.0.0/16 network only.

B. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the 172.35.0.0/16 and 172.36.0.0/16 subnets.

C. IP addresses that are in a subnet of 172.35.0.0/16 network, but not IP addresses that are part of the 172.35.0.0/16 network itself.

D. IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in subnets of 172.35.0.0/16 network.

Which command displays all IPv4 routes in the default routing instance?

A. show route table inet.1

B. show route table inet6.0

C. show route table inet.2

D. show route table inet.0

Which two platforms are supported in both physical and virtual form factors? (Choose two.)

A. NFX Series

B. MX Series

C. SRX Series

D. ACX Series

Which command is used to load the rescue configuration?

A. load replace rescue

B. load merge rescue

C. rollback rescue

D. rollback

What information would you find using the CLI help function? (Choose two.)

A. Junos technical publications

B. explanation of traceoption events

C. tip for the day

D. explanation of specific system log error messages

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

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.

You are asked to limit traffic on interface xe-0/0/3 to 1G using the policer shown in the exhibit.
Which configuration would accomplish this task?
A.
 
B.
 
C.
 
D.
 

How does the PFE determine how to forward transit traffic?

A. The PFE determines network destinations itself based on the RE’s routing table.

B. The PFE uses the forwarding table provided by the RE.

C. The PFE performs a destination lookup based on its own routing table.

D. The PFE uses the routing table provided by the RE.

Which parameter of the monitor traffic command should be used with caution when considering storage space on a Junos device?

A. write-file

B. layer2-headers

C. extensive

D. detail

Which keystroke is used to auto-complete user-defined variables?

A. End

B. Spacebar

C. Tab

D. Home

What is the initial prompt displayed when logging in as the root user?

A. root@router>

B. root@router%

C. root@router#

D. root@router*

Which command will show files stored in the /var/home/lab directory?

A. lab@router> file show

B. lab@router> file list

C. [edit] lab@router# rollback ?

D. lab@router> ls

What is the next hop for a packet destined to 192.168.80.98 as shown in the exhibit?

A. 172.18.6.1

B. 172.25.11.254

C. 172.18.7.1

D. 192.168.11.2

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

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.

Referring to the exhibit, what does the number inside the square brackets represent?

A. route preference

B. metric

C. protocol reference number

D. local preference

What is the minimum system-defined user class required to issue clear commands?

A. read-only

B. operator

C. authorized

D. super-user

How would you change the display so that 40 lines will be displayed in the terminal program when you are logged into a Junos device?

A. Issue the set cli screen-length 40 command from operational mode.

B. Set the display options in your terminal program.

C. Issue the set cli screen-length 40 command from configuration mode.

D. Set the window size of your terminal program.

Depending on the device type, Junos is built upon which two OS kernels? (Choose two.)

A. NetBSD

B. FreeBSD

C. Linux

D. OpenBSD

Referring to the exhibit, which logical interface is able to forward IP traffic?

A. ge-0/0/2.0

B. ge-0/0/0

C. ge-0/0/1.0

D. ge-0/0/2

You are considering an upgrade from 19.1R1 and want to ensure that only bug fixes are included.
Which two software versions should you consider in this situation? (Choose two.)

A. 19.3R1-S1

B. 19.3R2

C. 19.1R3

D. 19.1R1-S2

You have entered the command show log messages | match "error|kernel|panic".
Which statement is correct regarding the keywords error, kernel, and panic in the output?

A. The output will contain all messages from the file except the ones that contain at least one of the three defined keywords.

B. The output will contain all messages from the file that contain at least one of the three defined keywords.

C. The output will contain all messages from the file except the ones that contain all three defined keywords.

D. The output will contain all messages from the file that contain all three defined keywords.

Which two commands would you use to reset the candidate configuration to the active configuration? (Choose two.)

A. rollback 0

B. rollback 2

C. rollback 1

D. rollback

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

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

Referring to the exhibit, which dynamic routing protocol would be used for this topology?

A. IGMPv3

B. RIPng

C. RIP

D. OSPFv2

You notice that the terms in your firewall filter are not in the correct order.
What would solve this problem?

A. Use the next term action to force an evaluation of the next term.

B. Use the insert command to reorder the terms within the filter.

C. Use the count parameter to ensure that the terms are evaluated correctly.

D. Use the reject action to change the action of the filter.

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

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.

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

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.

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

A. 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.

C. Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy.

D. Reboot the router.

What does the output of the show route forwarding-table command display?

A. the Packet Forwarding Engine’s routing table

B. the inactive entries in the Routing Engine’s routing table

C. the routing protocol databases in the Routing Engine

D. the Routing Engine’s forwarding table

Which statement is true about the command shown in the exhibit?

A. There needs to be a ; after top for the command to be accepted as a valid command.

B. Only top should be used, no other options are allowed on the same line.

C. The command shown in the exhibit would be accepted as a valid command.

D. If you replace top with up command, it becomes valid.

In which directory are traceoption files stored by default?

A. /var/tmp/

B. /var/log/

C. /var/db/

D. /var/home/

Which routing table is used for multicast forwarding cache?

A. inet.2

B. inet.0

C. inet.1

D. inet.3

Which two methods keep a Junos device operational if the primary storage device fails? (Choose two.)

A. Create a rescue configuration

B. Enable J-Web for device management

C. Create a recovery snapshot

D. Enable the ephemeral database

You have configured an SRX Series device for the first time. When you commit your configuration, the Junos OS notifies you that you cannot yet commit your configuration.
Which configuration step must you complete?

A. date/time

B. root authentication

C. security policies

D. hostname

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

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.

What are two configurable physical interface properties? (Choose two.)

A. protocol family

B. address

C. MTU

D. link mode

Which two features are implemented on the Packet Forwarding Engine? (Choose two.)

A. firewall filters

B. chassis management

C. class of service

D. routing protocol updates

While working on a Junos device, you receive the message shown in the exhibit.
In this scenario, what should you do to stop the shutdown process?

A. Issue the request system power-off in 0 command.

B. Issue the clear system commit command.

C. Issue the request system halt in 0 command.

D. Issue the clear system reboot command.

Given the configuration shown below:
set system authentication-order [ tacplus ]
Which two statements are correct? (Choose two.)

A. If the TACACS+ server is not available, the local user database is checked.

B. If the TACACS+ server is available and rejects the username/password provided, the user is not allowed to access the device.

C. If the TACACS+ server is not available, the user is not allowed to access the device.

D. If the TACACS+ server is available and rejects the username/password provided, the local password database is checked.

Referring to the exhibit, what is the expected behavior for login attempts from users that receive a reject form from both the RADIUS and TACACS+ servers?

A. Users are prompted for a local authentication password.

B. Users are not prompted for a local authentication password.

C. Users are prompted for the root authentication password.

D. Users are granted limited access to the device using a guest account.

You notice traffic destined to 172.31.17.0/24 is traversing an OSPF path rather than a BGP path.
Referring to the exhibit, what is causing this behavior?

A. The 172.31.17.0/24 BGP route has a higher route preference.

B. The 172.31.17.0/24 route does not have a valid BGP entry.

C. The 172.31.17.0/24 BGP route is missing a valid default next hop.

D. The 172.31.17.0/24 BGP route’s outgoing interface is down.

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

A. Ctrl + a

B. Ctrl + e

C. Ctrl + w

D. Ctrl + u

Referring to the exhibit, which statement is true?

A. Traps are sent to 10.21.15.180.

B. Traps are allowed from 10.21.15.180.

C. Traps are sent to 10.21.15.16.

D. Traps are allowed from 10.21.15.16.