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Juniper JN0-105 Exam Questions
- Topic 1: Networking Fundamentals: The topic networking fundamentals covers identifying the concepts and functionality of different fundamental elements of networking.
- Topic 2: Junos OS Fundamentals: It covers concepts, benefits, and functionality of the core elements of the Junos OS.
- Topic 3: User Interfaces: This topic delves into identifying the concepts, operation, or functionality of the Junos user interface.
- Topic 4: Configuration Basics: Identification of the main elements for configuring Junos devices is discussed in this topic. Moreover, it describes configuring basic components of a Junos device
- Topic 5: Operational Monitoring and Maintenance: Different methods of monitoring or maintaining Junos devices are identified in this topic. Lastly, it discusses monitoring or maintenance procedures for a Junos device.
- Topic 6: Routing Fundamentals: This topic discusses pointing out basic routing concepts or functionality for Junos devices. Moreover, the topic also describes configuring or monitoring basic routing elements for a Junos device.
- Topic 7: Routing Policy and Firewall Filters: The topic of Routing Policy and Firewall Filters covers routing policy and firewall filters on Junos devices. Furthermore, the topic also deals with routing policies and firewall filters on a Junos device.
Free Juniper JN0-105 Exam Actual Questions
Note: Premium Questions for JN0-105 were last updated On Mar. 14, 2026 (see below)
Which two addresses are included in an Ethernet frame header? (Choose two.)
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.
Which type of device uses the destination IP address to forward packets?
A Layer 3 router forwards packets based on the destination IP address. It operates at the network layer of the OSI model and uses routing tables to determine the best path for packet delivery. Unlike Layer 2 switches, which forward packets based on MAC addresses, routers handle logical addressing, making them crucial for inter-network communication.
Junos OS Documentation on Routing Fundamentals.
Which two common routing policy actions affect the flow of policy evaluation? (Choose two.)
In Junos OS routing policy evaluation, 'next policy' (A) and 'next term' (C) are common actions that affect the flow of policy evaluation. 'Next policy' directs the evaluation to the next policy in the sequence, whereas 'next term' moves the evaluation to the next term within the current policy, allowing for granular control over routing decisions.
Exhibit
[edit system archival] user@router# show configuration {
transfer-on-commit; archive-sites {
"scp://user@172.15.100.2 : /archive" password ## SECRET-DATA
"ftp://user@10.210.9.178:/archive" password "$9..."; ## SECRET-DATA
.
Referring to the exhibit, where are the configuration backup files stored?
In Junos OS, the archival configuration under [edit system] allows for the automatic backup of configuration files to designated locations upon commit. When multiple archive-sites are specified, as shown in the exhibit with both SCP and FTP sites listed, the device does not choose between them or use them in a round-robin manner. Instead, it attempts to transfer the configuration backup files to all specified sites simultaneously upon each commit. This ensures redundancy and increases the likelihood that a backup will be successfully stored even if one of the transfer methods or destinations fails.
What are two link-state routing protocols? (Choose two.)
Link-state routing protocols are a type of routing protocol used in packet-switching networks for finding the best path between source and destination. OSPF (Open Shortest Path First) and IS-IS (Intermediate System to Intermediate System) are both examples of link-state routing protocols. They work by maintaining a complete map or topology of the network, allowing routers to independently calculate the best path to each destination. Unlike distance-vector protocols like RIP, link-state protocols are more efficient and scalable, making them suitable for larger networks.
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