Juniper JN0-104 Online Practice Questions and Exam Preparation

Juniper JN0-104 Online Questions & Answers

• Question 171:

  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 into single-user mode at the shell prompt.
  C. The device will boot into multi-user mode at the shell prompt.
  D. The device will boot in multi-user mode at the configuration prompt.
  C. The device will boot into multi-user mode at the shell prompt.

• Question 172:

  Which address correctly represents a valid abbreviation for the 2bfc:0000:0000:0000:0217:0000:fe8c:5c85/128 IPv6 address?

  A. 2bfe::217:0:fe8c:5c85/128
  B. 2bfe:0:217:-fe8c:5c85/128
  C. 2bfe::0217::fe8e:5e85/128
  D. 2bfe:0:217:0:fe8e:5?5/128
  A. 2bfe::217:0:fe8c:5c85/128

• Question 173:

  Which two statements are correct about the inet.0 routing table? (choose two.)

  A. It is used for populating the Ethernet switching table.
  B. It stores information learned from routing protocols and other sources.
  C. It is used for populating the forwarding table.
  D. It is used for populating the forwarding policy.
  B. It stores information learned from routing protocols and other sources.
  C. It is used for populating the forwarding table.

• Question 174:

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

  A. 192.168.128.0
  B. 192.168.0.0
  C. 192.168.96.0
  D. 192.168.87.0
  D. 192.168.87.0

• Question 175:

  Click the Exhibit button.

  

  Referring to the exhibit, a firewall filter is configured and applied to the ge-0/0/1 interface. In this scenario, which statement is correct?

  A. All traffic to destination 10.10.10.0/24 is accepted.
  B. All traffic entering on interface ge-0/0/1 is discarded.
  C. All traffic entering on interface ge-0/0/1 is accepted.
  D. All traffic from source 10.10.10.0/24 is accepted.
  D. All traffic from source 10.10.10.0/24 is accepted.

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  Explanation/Reference:

  if term has no "then" configured, matched packets are accepted by default

  https://www.juniper.net/documentation/us/en/software/junos/routing-policy/topics/concept/firewall-filter-ex- series-evaluation-understanding.html Additionaly: if term has no "from" configured, every packet is matched to term if packet does not match any term - default term (implicit discard) is used

• Question 176:

  You are connected to your Junos device using an SSH connection to the fxp0 interface. No other interface are currently configured beyond their default setting. 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. Unplug the network cable and plug it back in.
  B. Power off and power on the device.
  C. Establish an SSH connection to the loopback interface.
  D. Connect to the console of the device.
  D. Connect to the console of the device.

• Question 177:

  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
  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

  ---

  Explanation/Reference:

  Ref: Stateless Firewall Filter Overview | Junos OS | Juniper Networks

  "Stateless Firewall Filter Overview

  ...

  Data Packet Flow Control

  To control the flow of data packets transiting the device as the packets are being forwarded from a source to a destination, you can apply stateless firewall filters to the input or output of the router's or switch's physical interfaces.

  ..."

  [edit]

  user@router#

  In which mode is the system currently operating, as shown in the exhibit? A. operational mode B. UNIX shell

  C. configuration mode

  D. single-user mode

  Answer: C

  Ref: Overview of the Configure Command | Junos OS | Juniper Networks

  "Overview of the Configure Command

  ...

  How to Use the configure Command

  ...

  Use the configure command to enter CLI configuration mode.

  If other users are in configuration mode, the message displayed indicates who the users are and what portion of the configuration each person is viewing or editing.

  user@host> configure

  Entering configuration mode

  Current configuration users:

  root terminal p3 (pid 1088) on since 2018-05-13 01:03:27 EDT [edit interfaces so-3/0/0 unit 0 family inet] The configuration has been changed but not committed [edit] user@host# ..."

• Question 178:

  Which account is used to access a Junos device in a factory-default configuration?

  A. root
  B. admin
  C. lab
  D. juniper
  A. root

• Question 179:

  Which two statements about the configure exclusive command are correct? (Choose two.)

  A. The command excludes other users from editing the configuration.
  B. The command retains all uncommitted changes when exiting exclusive mode
  C. The command causes the loss of all uncommitted changes when exiting exclusive mode
  D. The command allows multiple users to edit private copies of the configuration concurrently.
  C. The command causes the loss of all uncommitted changes when exiting exclusive mode
  D. The command allows multiple users to edit private copies of the configuration concurrently.

• Question 180:

  You are asked to configure filter-based forwarding. Which routing-instance type would you use?

  A. VRF
  B. virtual router
  C. non-forwarding
  D. forwarding
  D. forwarding

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  Explanation/Reference: