By default, which Junos directory contains the primary syslog file?

A. /var/log

B. /var/syslog

C. /var/tmp

D. /var/home

You loaded the factory-default configuration on your Junos device. Which single element must be configured before a commit command will succeed?

A. An IPv4 address must be configured on the fxp0 or em0 interface

B. A hostname must be configured

C. A root password must be configured

D. An IPv4 default route must be configured

Which operational mode command will provide real-time usage statistics for the ge-0/0/0 interface?

A. monitor traffic interface ge-0/0/0

B. monitor interface traffic

C. show interfaces statistics

D. show interfaces ge-0/0/0 extensive

Which two statements about routing policies are correct? (Choose two.)

A. An import policy is used to control incoming traffic on a specific interface.

B. An export policy is used to control outgoing traffic on a specific interface.

C. An export policy determines the routes in the local routing table that are advertised to peers.

D. An import policy is used to control routes that are accepted by the local routing table.

A user has entered the sequence of commands shown in the exhibit. At which level of the configuration hierarchy would the user be after typing the exit command?

A. [edit]

B. [edit interfaces ge-0/0/0]

C. [edit interfaces ge-0/0/0 unit 0]

D. [edit interfaces]

Which output displays that the peer has been selected for NTP synchronization?

Which two routing policy actions are considered policy flow control actions in the Junos OS? (Choose two.)

A. next hop

B. next policy

C. accept

D. next term

What are two benefits of class of service (CoS)? (Choose two.)

A. CoS can increase the performance of a slow network.

B. CoS can manage traffic congestion.

C. CoS can increase network bandwidth.

D. CoS can prioritize latency-sensitive traffic.

Which two parameters are considered action modifiers in the firewall filter's then statement? (Choose two.)

A. next term

B. policer

C. reject

D. count

What is the network address for a host with an IP address of 192.168.87.125/16?

A. 192.168.96.0

B. 192.168.87.0

C. 192.168.128.0

D. 192.168.0.0

What information is provided by the help topic interface ? command?

A. It displays the best options to use with the interface command regarding your current configuration

B. It displays the available options and a brief description of usage guidelines

C. It displays the administration manual for the interface command

D. It displays usage examples for the top-ten interface commands

In the show | compare rollback 49 command, what is the purpose of the | ?

A. The | is used to represent an “either or” statement

B. The | is a shortcut to redirect output from a command line to a file

C. The | filters the output of the show command T

D. The | changes the command from an operational command to a configuration mode command

What Will the request system configuration rescue save command accomplish?

A. It will prevent a commit from happening.

B. It will generate support information for JTAC.

C. It will restore your system to factory default settings.

D. It will save a copy of the configuration so that you can go back to it at any time.

Which two operating systems are used as the foundation of the Junos OS? (Choose two.)

A. Linux

B. Ubuntu

C. CentOS

D. FreeBSD

What is the default action for packets not matching a firewall filter?

A. The packet will be silently discarded.

B. The packet will be accepted.

C. The packet will be rejected.

D. The packet will be ignored.

Which two statements about firewall filters are correct? (Choose two.)

A. An input filter is used to control routes that are accepted by the local routing table

B. An output filter determines the routes in the local routing table that are advertised to peers

C. An input filter is used to control incoming traffic on a specific interface

D. An output filter is used to control outgoing traffic on a specific interface

Which protocol is responsible for learning an IPv6 neighbor's MAC address?

A. Address Resolution Protocol (ARP)

B. Media Access Control Security (MACsec)

C. Neighbor Discovery Protocol (NDP)

D. Network Address Translation (NAT)

Which command allows you to execute operational mode commands while in configuration mode?

A. set

B. show

C. Activate

D. Run

You must apply the policy shown in the exhibit to readvertise BGP routes to OSPF neighbors. Which action will accomplish this task?

A. You must apply the policy as an export policy within the OSPF configuration.

B. You must apply the policy as an export policy within the BGP configuration.

C. You must apply the policy as an import policy within the OSPF configuration.

D. You must apply the policy as an import policy within the BGP configuration.

You enable unicast reverse path forwarding on the ge-0/0/1.0 interface A packet is received on the ge-0/0/1.0 interface with a source address of 10.10.10.10. A route lookup determines that the next hop for the 10.10.10.10 address is the ge-0/0/1.0 interface. In this scenario which action is performed?

A. The packet is logged

B. The packet is forwarded

C. The packet is rejected

D. The packet is discarded

The next hop identified in the static route command Is not directly connected to your router. Referring to the exhibit, what must be added to the command for the static route to work?

A. retain

B. resolve

C. readvertise

D. install

After logging in as root you enter the cli command. What does this command do?

A. It enables you to enter line edit mode

B. It enables you to enter configuration mode

C. It enables you to enter operational mode

D. It enables you to enter interface mode

Which default login class should you select if you want the user to edit configuration files?

A. super-user

B. read-only

C. operator

D. unauthorized

Which command will solve the problem shown in the exhibit?

Which two statements about login classes are correct? (Choose two.)

A. Login class permissions can be overridden for certain commands.

B. Login classes define access privileges for a user.

C. There are no system-defined login classes.

D. Users can be members of multiple login classes.

Referring to the exhibit, you are unable to see any traffic coming on interface ge-0/0/0. What is causing this problem?

A. The ge-0/0/0 interface is administratively down

B. The ge-0/0/0 interface has flow control disabled

C. The ge-0/0/0 interface s physical link is down

D. The ge-0/0/0 interface has the link-mode set to half-duplex

A user entered configuration mode and modified the candidate configuration. In this scenario, what are two results? (Choose two.)

A. Other users cannot enter configuration mode using the exclusive parameter.

B. Other users cannot enter configuration mode using the private parameter.

C. Other users cannot log into the device.

D. Other users cannot enter configuration mode.

What are two functions of the transport layer? (Choose two.)

A. data integrity

B. packet forwarding

C. flow control

D. segmentation

Which Junos OS routing instance type is used for non-VPN-related applications such as system virtualization?

A. virtual-router

B. vpls

C. vrf

D. forwarding

Which statement is true about using custom login class permissions?

A. If you allow and deny the same command, the command is denied.

B. If you allow and deny the same command, Junos OS will randomly choose the action.

C. If you allow and deny the same command, the command is allowed.

D. If you allow and deny the same command, the Junos OS will fail the commit check.

You are asked to configure a Junos device to perform regular configuration backups. Which feature will you configure under the [edit system] hierarchy to accomplish this task?

A. syslog

B. backup-router

C. tracing

D. archival

You must recover a device by loading the rescue configuration file. In this scenario, which command will accomplish this task?

Which operational mode command in Junos OS produces the output shown in the exhibit?

Which three benefits are made possible by the separation of the control plane and forwarding plane of a Junos device? (Choose three.)

A. stateful firewall

B. deep packet inspection

C. in-service software upgrades

D. graceful Routing Engine switchover

E. nonstop active routing

User 1 pings Router C to determine its status. Which router shown in the exhibit, treats the traffic generated by the ping command as exception traffic?

A. Router A

B. Router D

C. Router B

D. Router C

Which two statements about the output shown in the exhibit are correct? (Choose two.)

A. The router ID of the neighbor connected to the ge-0/0/1.0 interface is 192.168.100.3

B. The router has two OSPF adjacencies

C. The neighbors are not using the Junos OS default OSPF priority value

D. The IP address assigned to the router’s ge-0/0/1.0 interface is 172.25.1.9

A device receives a route update for network 172.19.0.0/16 from two different routing information sources. In this scenario, which parameter will determine the active route?

A. the route learned with the lowest default route preference

B. the route with the lowest metric

C. the route learned from the next hop with the lowest IP address

D. the route learned from the next hop with the highest IP address

Which step is required when performing a Junos software upgrade?

A. You must create a user account named maintenance-user.

B. You must reboot the device.

C. You must load the factory default configuration.

D. You must zeroize the device.

Which statement regarding transit traffic processing is correct?

A. Transit traffic is only processed by the forwarding plane.

B. Transit traffic is processed by both the control plane and forwarding plane.

C. Transit traffic is not processed by the local device.

D. Transit traffic Is only processed by the control plane.

You are asked to determine when a Junos device was booted. Which command would you use to obtain this information?

A. snow system statistics

B. show system uptime

C. show system commit

D. show system information

Which system-defined user class is able to perform all operations on a device?

A. operator

B. authorized

C. read-write

D. super-user

UserA is currently working on router1 and has Issued the commands shown In the exhibit. UserB wants to update the IP address currently configured on interface xe-1/2/1.0. What will UserB do to complete the configuration changes without interfering with UserA's work?

A. UserB should use the configure private option to complete the changes while UserA continues with the changes.

B. UserB should use the configure exclusive option to complete the changes while UserA continues with the changes.

C. Use the edit command and run the commit confirmed option then proceed with UserB’s changes.

D. Wait for UserA to finish then proceed with changes using the configure private option.

Referring to the exhibit, which two statements are correct? (Choose two.)

A. The last 5 second CPU utilization is 1%

B. The last 5 second CPU utilization is 99%

C. The control plane memory used is 63%

D. The data plane memory used is 63%

You are connecting to a new device in your network and are presented with the information and prompt shown in the exhibit. Which three steps must be carried out to edit the configuration on this device? (Choose three.)

A. Log in using the root user with no password.

B. Log in using the root user with the root123 password.

C. Type configure at the > prompt.

D. Type cli at the > prompt.

Which statement about the show chassis hardware command is correct?

A. The command provides a list of supported hardware components and their current operating status.

B. The command provides a list of all current hardware utilization statistics and operational status.

C. The command provides a list of installed hardware components, including serial numbers and model numbers.

D. The command provides a list of supported hardware components and environmental thresholds.

Which command will replace the entire candidate configuration with the configuration stored in the reset.config file?

A. load replace reset.config

B. load override reset.config

C. load merge reset.config

D. rollback 1

Which two statements descnbe the functions of the Routing Engine (RE)? (Choose two.)

A. The RE will apply filters and routing policies when forwarding the packets to their final destination

B. The RE will route or switch packets or frames out of the correct interface as quickly as possible

C. The RE will calculate the best network path to each individual subnet based on input from vanous routing protocols and static routes

D. The RE will process management traffic to help monitor and manage the network devic

Referring to the exhibit, which statement is correct?

A. The packets have exceeded the time-to-live value.

B. There is a routing loop.

C. The asterisks indicate a response time out.

D. The asterisks indicate the trace route Is completeׁ

What are two functions of the PFE? (Choose two.)

A. to maintain the forwarding tables

B. to monitor the chassis

C. to forward transit traffic

D. to apply the class of service function

What are two important steps when upgrading an SRX300 Series device? (Choose two.)

A. Clear all alarms.

B. Verify that enough space exists to upload the software package.

C. Verify that the NETCONF protocol is enabled.

D. Reboot the device.