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CCNA Quiz: By default, how does a Cisco router select its OSPF router ID at process start when no...
Test your CCNA knowledge!
Question: By default, how does a Cisco router select its OSPF router ID at process start when no router-id is configured?
A) The lowest IP address on any active physical interface
B) The highest IP address on any loopback interface
C) The MAC address of the first up/up interface
D) The highest IP address on any physical interface even if loopbacks exist
Answer: B The highest IP address on any loopback interface
Explanation: OSPF prefers the highest loopback IP address when no router-id is set.
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Видео CCNA Quiz: By default, how does a Cisco router select its OSPF router ID at process start when no... канала Traceroute Academy
Question: By default, how does a Cisco router select its OSPF router ID at process start when no router-id is configured?
A) The lowest IP address on any active physical interface
B) The highest IP address on any loopback interface
C) The MAC address of the first up/up interface
D) The highest IP address on any physical interface even if loopbacks exist
Answer: B The highest IP address on any loopback interface
Explanation: OSPF prefers the highest loopback IP address when no router-id is set.
Subscribe for more daily CCNA questions!
#networking #ccna #ccnapracticetest #networkplus
Видео CCNA Quiz: By default, how does a Cisco router select its OSPF router ID at process start when no... канала Traceroute Academy
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17 мая 2026 г. 6:30:56
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