Refer to the exhibit. A network administrator has configured R1 as shown, and all interfaces are functioning correctly. Aping from R1 to 172.16.1.1 fails.What could be the cause of this problem?

Refer to the exhibit. A network administrator has configured R1 as shown, and all interfaces are functioning correctly. Aping from R1 to 172.16.1.1 fails.What could be the cause of this problem?

• the serial interface on R1 is configured incorrectly
• the default route is configured incorrectly
• the default-information originate command must be issued on R1
• autosummarization must be disabled on R1

Exam with this question: CCNA Exploration 2: ERouting Practice Final Exam