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Latest JN0-105 Junos Associate JNCIA -Junos Exam Questions 2025 | SPOTO

The JN0-105 exam is a crucial certification for IT professionals seeking to demonstrate expertise in Junos OS and networking fundamentals. As part of the JNCIA-Junos track, this exam tests your understanding of key topics such as network protocols, device configuration, routing, and troubleshooting. To help you prepare, SPOTO offers the latest JN0-105 Junos Associate JNCIA-Junos Exam Questions, ensuring that you have access to up-to-date, exam-focused materials. These questions are designed to closely mirror the real exam format, giving you an accurate idea of what to expect. By practicing with the latest exam questions, you’ll strengthen your knowledge, improve your exam-taking strategies, and increase your chances of passing the JNCIA-Junos certification exam successfully.
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Question #1
A packet is evaluated against three user-defined terms within a firewall filter and no match is found. What correctly describes the action the firewall filter will take for this packet?
A. The filter will permit the packet and take no additional action
B. The filter will reject the packet and send an ICMP message back to the sender
C. The filter will discard the packet and take no additional action
D. The filter will permit the packet and write a log entry to the firewall log
View answer
Correct Answer: C

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Question #2
Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?
A. show interfaces status
B. show interfaces summary
C. show interfaces terse
D. show interfaces admin
View answer
Correct Answer: C
Question #3
Which two commands will provide the current configuration of the MX1-PE1 BGP group on your router? (Choose two.)
A. user@router# show groups | display set | match MX1-PE1
B. user@router> show configuration | display set | match MX1-PE1
C. user@router> show configuration | match set | match MX1-PE1
D. user@router# show | display set | match MX1-PE1
View answer
Correct Answer: BD
Question #4
Which two loopback types are supported for serial interfaces on Juniper devices? (Choose two.)
A. Local
B. Far End
C. Remote
D. Bidirectional
View answer
Correct Answer: AC
Question #5
What are three characteristics of Layer 2 switches? (Choose three.)
A. Layer 2 switches forward broadcast traffic
B. Layer 2 switches forward traffic addresses to hosts that reside on the same collision domain
C. Layer 2 switches separate multicast domains
D. Layer 2 switches separate collision domains
E. Layer 2 switches forward traffic addressed to hosts that reside on a different collision domain
View answer
Correct Answer: ABD
Question #6
You have a network containing 120 routers. You must establish and maintain connectivity between the loopback interfaces of all routers. Because of the critical services using the network, you need redundancy and fast failover. Which routing protocol should you use in this scenario?
A. OSPF
B. RIP
C. BGP
D. static
View answer
Correct Answer: A
Question #7
Which Junos release would address only bug fixes that were not contained in the 15.1R1 version of code?
A. 15
B. 15
C. 15
D. 15
View answer
Correct Answer: A
Question #8
What are the usable hosts on the 192.168.1.24/29 network?
A.
B.
C.
D.
View answer
Correct Answer: C
Question #9
Which statement is true regarding syslog on Junos devices?
A. No logging is enabled by default
B. By default, the information is stored in a file named events
C. Only the message severity level must be configured
D. You can configure the router to send log messages to the console
View answer
Correct Answer: D
Question #10
Which command do you use to display the messages seen during the last system boot?
A. show system boot-messages
B. show chassis messages
C. show file system boot-messages
D. show boot-log messages
View answer
Correct Answer: A
Question #11
What is the network ID address of the IPv4 subnet that includes the IP address 114.180.192.120/28?
A. 114
B. 114
C. 114
D. 114
View answer
Correct Answer: C
Question #12
Which command do you issue to upgrade the current software on Junos devices?
A. request system software replace
B. request system software install
C. request system software add
D. request system software upgrade
View answer
Correct Answer: C
Question #13
Which of the following commands will configure the maximum transmission unit size of a fast Ethernet interface?
A. set interfaces fe-0/0/0 unit 0 ethernet-options mtu 1200
B. set interfaces fe-0/0/0 mtu 1200
C. set interfaces fe-0/0/0 unit 0 mtu 1200
D. set interfaces fe-0/0/0
View answer
Correct Answer: C
Question #14
You issue the ping interface t1-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command. Which statement is correct?
A. The bypass-routing parameter is used to test the density on the T1 line
B. The bypass-routing parameter cannot be used on a T1 interface
C. The bypass-routing parameter allows you to ping a host through an interface that has no route through it
D. The bypass-routing parameter allows you to ping a local WAN interface without generating any outbound traffic
View answer
Correct Answer: C
Question #15
-- Exhibit -... if-exceeding { bandwidth-limit 1m; burst-size-limit 3k; } then discard; -- Exhibit -The configuration in the exhibit is associated with which class of service component?
A. classification
B. policing
C. queuing
D. scheduling
View answer
Correct Answer: B
Question #16
-- Exhibit -user@router> show route protocol static inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 192.168.1.0/24 *[Static/5] 00:03:13 >to 10.20.106.10 via fe-0/0/5.1 192.168.1.192/26 *[Static/5] 00:03:13 >to 10.20.14.131 via ge-0/0/0.0 192.168.1.192/27 *[Static/5] 00:03:13 >to 10.18.1.1 via ge-0/0/1.0 192.168.1.4/30 *[Static/5] 00:01:06 >to 10.20.14.130 via ge-0/0/0.0 -- Exhibit -Using the routing table shown in the exhibit, what will be the
A. 10
B. 10
C. 10
D. 10
View answer
Correct Answer: D
Question #17
-- Exhibit -user@router> show configuration firewall familyinet { filter demo { term example { from { source-address { 100.100.100.0/24; } destination-address { 200.200.200.0/24; } } then { reject; } } term testing { from { source-address { 10.10.10.0/28; } destination-address { 200.200.200.0/24; } } then sample; } term results { from { address { 200.200.200.0/24; } } then accept; } term final { then policer LAPD; } } } -- Exhibit -Given the configuration shown in the exhibit, what will happen to traffic fr
A. The traffic will be rejected
B. The traffic will be dropped
C. The traffic will be forwarded
D. The traffic will be policed
View answer
Correct Answer: C
Question #18
Which two statements are true regarding an Ethernet collision domain? (Choose two.)
A. If a switch is used, the collision domain is limited to each device and the switch
B. If a hub is used, the collision domain is limited to each device and the hub
C. If a hub is used, the collision domain includes all devices connected to the hub
D. If a switch is used, the collision domain includes all devices connected to the switch
View answer
Correct Answer: AC
Question #19
-- Exhibit -interfaces { ge-0/0/8 { unit 0 { family inet { address 192.168.1.1/24; } } } ge-0/0/9 { unit 0 { family inet { address 192.168.10.1/24; } } } } -- Exhibit -Referring to the exhibit, which command would you use to add an additional address to the ge-0/0/9.0 interface?
A. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address /24
B. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet secondary-address /24
C. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address /24 secondary
D. [edit interfaces ge-0/0/9 unit 0]user@router# set family inet address-secondary /24
View answer
Correct Answer: A
Question #20
Which two statements about the Junos OS are true? (Choose two.)
A. It supports Java for automation on all platforms
B. It uses the same software source code base for all platforms
C. It uses a different software source code base for each platform
D. It supports XML for automation on all platforms
View answer
Correct Answer: BD
Question #21
Which two statements are true regarding trace options on Junos devices? (Choose two.)
A. You can see the contents of the log file by entering the show log command
B. Trace options will send information to your screen automatically
C. Trace options are limited to one protocol at a time
D. The file name and a set of flags may be specified when enabling traceoptions
View answer
Correct Answer: AD
Question #22
When you display the routing table by entering the show route command, what does the * indicate?
A. The route is a direct route
B. The route was selected as active
C. The route is a default route
D. The route was learned using a dynamic routing protocol
View answer
Correct Answer: B
Question #23
Which two statements are correct regarding default protocol preference values? (Choose two.)
A. RIP is preferred over OSPF external routes
B. Direct, local, and static routes have the same preference value
C. OSPF's preference value is lower than BGP
D. OSPF has a single preference value for both internal and external routes
View answer
Correct Answer: AC
Question #24
-- Exhibit -user@router> show route protocol static inet.0: 12 destinations, 12 routes (12 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 192.168.1.128/27 *[Static/5] 00:03:13 >to 10.20.106.10 via fe-0/0/5.1 192.168.1.144/29 *[Static/5] 00:03:13 >to 10.20.14.131 via ge-0/0/0.0 192.168.1.192/27 *[Static/5] 00:03:13 >to 10.18.1.1 via ge-0/0/1.0 192.168.1.128/28 *[Static/5] 00:01:06 >to 10.20.14.130 via ge-0/0/0.0 -- Exhibit -Given the routing entries shown in the exhibit, which next
A. 10
B. 10
C. 10
D. 10
View answer
Correct Answer: D
Question #25
What is the decimal equivalent of 10101010?
A. 182
B. 180
C. 172
D. 170
View answer
Correct Answer: D
Question #26
Which two commands may be used when configuring an IP address for a Gigabit Ethernet interface? (Choose two.)
A. set interfaces ge-0/0/0
B. set interfaces ge-0/0/0
C. set interfaces ge-0/0/0 unit 0 family inet address 10
D. set interfaces ge-0/0/0 address 10
View answer
Correct Answer: BC
Question #27
Which statement describes an advantage of dynamic routing?
A. Dynamic routing is typically more scalable when compared to static routing
B. Unlike static routing, dynamic routing requires no initial user configuration
C. Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices
D. Dynamic routing provides DNS services along with IP connectivity, whereas static routing does not
View answer
Correct Answer: A
Question #28
Click the Exhibit button. Referring to the exhibit, which OSPF feature would connect Area 0 to Area 2?
A. Route summarization
B. Database synchronization
C. Equal-cost multipath
D. Virtual link
View answer
Correct Answer: D
Question #29
Which command verifies configuration syntax without applying the changes?
A. ommit confirmed
B. ommit check
C. ommit comment
D. ommit and-quit
View answer
Correct Answer: B
Question #30
By default, which character indicates the UNIX shell prompt?
A.
B.
C.
D.
View answer
Correct Answer: B
Question #31
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. 9
B. 9
C. 9
D. 9
View answer
Correct Answer: CD
Question #32
Which two statements are true about static routes in the Junos OS? (Choose two.)
A. tatic routes remain in the routing table until you remove them or until they become inactive
B. tatic routes must have a next hop defined
C. tatic routes are learned by neighboring devices and added to their routing tables
D. tatic routes are defined at the [edit routing-instances] hierarchy
View answer
Correct Answer: AB

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