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Juniper JN0-105 Exam - Topic 1 Question 45 Discussion

Actual exam question for Juniper's JN0-105 exam
Question #: 45
Topic #: 1
[All JN0-105 Questions]

Which type of device uses the destination IP address to forward packets?

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Suggested Answer: A

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.

by Lavelle at Jan 25, 2026, 02:18 PM

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Dick
5 days ago
I remember practicing a question like this, and I think it was definitely about routers. They operate at Layer 3, right?
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Floyd
10 days ago
I think it’s a router that uses the destination IP address to forward packets, but I’m not 100% sure.
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Johnna
15 days ago
Ah yes, routers are the devices that use the destination IP address to determine where to send packets. Routing tables and forwarding decisions, that's the key here.
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Thora
20 days ago
Ugh, I'm drawing a blank on the specifics here. Is this about switches, routers, or something else? I need to review my networking fundamentals.
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Dulce
25 days ago
Okay, I've got this. Routers use the destination IP address to look up the appropriate next hop and forward the packet accordingly. Gotta remember that for the exam.
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Tiera
1 month ago
Hmm, I'm not totally sure about this one. I know it has something to do with IP addresses and how network devices handle packet forwarding, but I'll need to think it through.
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German
1 month ago
I think this is asking about routing devices and how they use the destination IP address to forward packets to the right destination.
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