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| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Junos, Associate (JNCIA-Junos) |
| Exam Number: | JN0-106 |
| Real Exam Qty: | 65 |
| Available Languages: | English |
| Passing Score: | Pass or Fail |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIS-SP JNCIS-ENT JNCIA-Junos |
| Exam Format: | Multiple Choice |
| Exam Price: | $200 USD |
| Exam Duration: | 90 minutes |
| Sample Questions: | Juniper JN0-106 Sample Questions |
| Exam Way: | Pearson VUE Test Center or Online Proctored Exam |
| Pre Condition: | No prerequisite certification required |
| Official Syllabus URL: | https://learningportal.juniper.net/juniper/user_activity_info.aspx?id=14354 |
This Junos, Associate (JNCIA-Junos) (JN0-106) certification is a valuable credential that is designed to validate your expertise all over the world. After successfully competition of JN0-106 exam you can gain several personal and professional benefits. All these Junos, Associate (JNCIA-Junos) (JN0-106) certification exam benefits will not only prove your skills but also assist you to put your career on the right track and achieve your career objectives in a short time period.
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NEW QUESTION # 82
Which two functions are performed by the PFE? (Choose two.)
Answer: B,D
Explanation:
The Packet Forwarding Engine (PFE) in Junos OS performs several key functions, including implementing firewall filters (A) and forwarding transit traffic (C). The PFE applies firewall filter rules to incoming and outgoing traffic and is responsible for the high-speed forwarding of packets based on the information in the forwarding table.
NEW QUESTION # 83
Which interface type prefix represents a 10-Gigabit Ethernet interface?
Answer: B
Explanation:
In Junos OS, the naming convention for physical interfaces is highly structured, providing immediate information regarding the media type, hardware location, and port number. The prefix of an interface name is a two-letter or three-letter code that identifies the speed and physical transmission characteristics of the interface. For 10-Gigabit Ethernet (GbE) interfaces, the correct prefix is xe. This prefix is a standard identifier across Junos platforms, regardless of whether the interface is fixed or modular.
Understanding these prefixes is essential for navigating the Junos configuration hierarchy and performing operational monitoring. For comparison, other common prefixes include fe for Fast Ethernet (10/100 Mbps), ge for Gigabit Ethernet (1 Gbps), and et for higher-speed interfaces such as 40-GbE or 100-GbE. When an administrator views the output of commands like show interfaces terse, identifying the xe prefix allows for the quick verification of high-bandwidth links within the network fabric. This standardized nomenclature ensures consistency across different hardware families, such as the EX, MX, and QFX series, facilitating easier management and troubleshooting for network architects. This concludes the provided set of questions from the Junos Associate (JNCIA-Junos) curriculum. Reference: Junos OS Fundamentals, Interface Naming Conventions.
NEW QUESTION # 84
Click the Exhibit button.
The MX204 has 12 built-in ports.
Referring to the exhibit, to which interface does the arrow point?
Answer: C
Explanation:
The Juniper MX204 is a fixed-configuration router that utilizes a specific hierarchical naming convention for its physical interfaces: type-fpc/pic/port. In the MX204 architecture, there is a single built-in Flexible PIC Concentrator (FPC), which is always designated as FPC 0. This FPC is subdivided into two logical Physical Interface Cards (PICs): PIC 0 and PIC 1.
As shown in the exhibit, PIC 0 contains four high-speed ports (labeled 0/0 through 0/3) that typically support 40GbE or 100GbE speeds. PIC 1 contains eight ports (labeled 1/0 through 1/7) designed for 1GbE or 10GbE connectivity. These ports are arranged in a stacked, $2 \times
4$ grid. The labeling system on the chassis indicates the port numbers for each column. In the fourth column of the PIC 1 block, the top port is identified as 1/6 and the bottom port as 1/7.
The blue arrow in the exhibit points directly to the bottom-right interface in the PIC 1 section.
Correlating this physical location with the chassis labels confirms that the port number is 7. When combined with the FPC and PIC identifiers, the full interface name is xe-0/1/7 (assuming a 10GbE transceiver is installed). Understanding this physical-to-logical mapping is essential for accurate cabling and configuration within the Junos OS, ensuring that administrators apply the correct logical unit and protocol settings to the intended physical hardware.
NEW QUESTION # 85
You want to find out the chassis serial number of a Junos device. Which command would display this information?
Answer: D
Explanation:
The show chassis hardware command in Junos OS displays detailed information about the hardware installed in the device, including the chassis itself. This command provides a list of all hardware components, their serial numbers, part numbers, and version information. When looking for the chassis serial number specifically, this command is the most direct and comprehensive way to retrieve that information, as it includes the serial number of the chassis among the details provided.
NEW QUESTION # 86
Exhibit:
Referring to the exhibit, which route will be selected for a packet destined to IP address 10.50.10.55?
Answer: C
Explanation:
In Junos OS, the Routing Information Base (RIB) selection process follows a strict hierarchy where the Longest Prefix Match (LPM) is the absolute primary tie-breaker. When a packet is destined for 10.50.10.55
, the Routing Engine searches the inet.0 table for all matching entries. In this exhibit, four routes match: the default route ( 0.0.0.0/0 ), a general static route ( 10.0.0.0/8 ), an OSPF route ( 10.50.0.0/16 ), and a BGP route ( 10.50.10.0/24 ).
The LPM rule dictates that the router must select the most specific route available, which is defined as the entry with the highest number of matching bits in the subnet mask. The 10.50.10.0/24 route matches 24 bits of the destination address, making it more specific than the 16-bit, 8-bit, or 0-bit alternatives. It is critical to understand that route preference (e.g., Static at 5, OSPF at 10, or BGP at 170) is only evaluated if there are multiple paths to the exact same prefix and length. Because these prefixes vary in length, the length takes precedence over the protocol preference. Therefore, the BGP-learned route via 192.168.1.20 is selected as the active path, ensuring traffic follows the most granular routing information provided to the device. Reference:
Routing Fundamentals, Routing Table Selection, Longest Prefix Match.
NEW QUESTION # 87
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