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Free JN0-105 Exam Braindumps (page: 5)

Page 4 of 17
PDF with 100 Questions

Which two addresses are included in an Ethernet frame header? (Choose two.)

  1. source IP address
  2. source MAC address
  3. destination IP address
  4. destination MAC address

Answer(s): B,D

Explanation:

An Ethernet frame header includes the source MAC address (B) and the destination MAC address (D). These addresses are used to deliver the frame from one Ethernet device to another directly connected Ethernet device on the same network segment. Ethernet frames do not include IP addresses, as those are part of the IP packet encapsulated within the Ethernet frame.



You issue the monitor traffic interface ge-0/0/0 command.
What will this command accomplish?

  1. It displays real-time statistics for interface ge-0/0/0.
  2. It displays an operational summary of ge-0/0/0.
  3. It displays the MTU and MAC address for ge-0/0/0.
  4. It displays a packet capture on interface ge-0/0/0.

Answer(s): D

Explanation:

The command "monitor traffic interface ge-0/0/0" (D) initiates a packet capture on the specified interface, allowing you to view the actual packets being transmitted and received. This is useful for troubleshooting and analyzing the traffic passing through the interface in real time.



Exhibit
{hold:node0}[edit]
root# set system root-authentication ?

Possible completions:
+ apply-groups Groups from which to inherit configuration data + apply-groups-except Don't inherit configuration data from these groups encrypted-password Encrypted password string load-key-file File (URL) containing one or more ssh keys plain-text-password Prompt for plain text password (autoencrypted) > ssh-dsa Secure shell (ssh) DSA public key string > ssh-rsa Secure shell (ssh) RSA public key string {hold:node0}[edit]
root# set system root-authentication plain-text-password New password:
Retype new password:

{hold:node0}[edit]
root# commit and-quit
[edit interfaces]
'ge-0/0/0'
HA management port cannot be configured error: configuration check-out failed

{hold:node0}[edit]
root#
You are unable to remotely access your Juniper device using the CLI. Referring to the exhibit, which command would you add to the existing configuration to enable remote CLI access?

  1. load factory-default
  2. set system root-authentication plain-text-password
  3. set system services ssh
  4. set system login idle-timeout 20

Answer(s): C

Explanation:

In Junos OS, remote access to the device's CLI is commonly facilitated through Secure Shell (SSH), a protocol providing secure command-line access over an insecure network. The given exhibit indicates an attempt to set a root authentication password but does not show configuration for enabling remote access services. To enable SSH, which is not shown in the configuration snippet, you need to configure the device to accept SSH connections. This is done by enabling the SSH service within the system services hierarchy of the configuration. The correct command to add to the existing configuration for enabling remote CLI access via SSH is set system services ssh. This command activates the SSH service, allowing secure remote logins to the device.



What is the primary system log file that is present in the default configuration of a Junos device?

  1. kmd
  2. messages
  3. vrrp
  4. jsrpd

Answer(s): B

Explanation:

In the default configuration of a Junos device, the primary system log file is "messages" (B). This log file contains a wide range of system messages, including operational status changes, system errors, and other critical information, making it a key resource for troubleshooting and monitoring the system's health.






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