A Junos router has a default route 0.0.0.0/0 and a static route 172.16.0.0/12. A packet is destined for 172.20.30.40. Which route will be used?

The router drops the packet because the static route is not the default

A Junos device receives a packet with destination IP 172.20.15.200. The routing table contains the following routes: 172.20.0.0/16, 172.20.15.0/24, and 172.20.15.128/25. Which route will be used for forwarding?

The router load-balances across all three routes

An administrator is troubleshooting a forwarding issue on a Junos router. The destination is 192.168.100.77. The routing table shows: 192.168.100.0/24 via ge-0/0/0, 192.168.100.64/26 via ge-0/0/1, and 192.168.100.64/28 via ge-0/0/2. Which interface will the router use?

The router sends an ICMP redirect to the source

A Junos router has a default route 0.0.0.0/0 and a static route 192.168.0.0/16. A packet is destined for 192.168.10.20. Which route will be used?

The router drops the packet because the static route is not the default

The static route 192.168.0.0/16

A Junos router has a summary route 172.16.0.0/16 and a specific route 172.16.5.0/24 in its routing table. A packet arrives destined for 172.16.5.10. Which route will the router use to forward the packet?

Both routes are used for load balancing

The router drops the packet because of a routing conflict

Juniper NetworksCertified Associate, Junos

Domain 1Objective 8

Longest-Match Routing JN0-105 Practice Questions (Page 1)

Part of the Networking Fundamentals domain, which makes up ~24% of our current practice bank. Juniper Networks does not publish an official question count, but from its 90-minute exam (~35–60 total, ~8–14 in this domain), expect 1–1 from this objective — we provide 22 practice questions to prepare you well beyond it. (estimate)

22questions here

5free pages

5concepts

Questions 1–5

1application · easy
A Junos router has a default route 0.0.0.0/0 and a static route 172.16.0.0/12. A packet is destined for 172.20.30.40. Which route will be used?
Select an answer first
2application · easy
A Junos device receives a packet with destination IP 172.20.15.200. The routing table contains the following routes: 172.20.0.0/16, 172.20.15.0/24, and 172.20.15.128/25. Which route will be used for forwarding?
Select an answer first
3application · medium
An administrator is troubleshooting a forwarding issue on a Junos router. The destination is 192.168.100.77. The routing table shows: 192.168.100.0/24 via ge-0/0/0, 192.168.100.64/26 via ge-0/0/1, and 192.168.100.64/28 via ge-0/0/2. Which interface will the router use?
Select an answer first
4application · easy
A Junos router has a default route 0.0.0.0/0 and a static route 192.168.0.0/16. A packet is destined for 192.168.10.20. Which route will be used?
Select an answer first
5foundation · easy
A Junos router has a summary route 172.16.0.0/16 and a specific route 172.16.5.0/24 in its routing table. A packet arrives destined for 172.16.5.10. Which route will the router use to forward the packet?
Select an answer first

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