Cisco
200-301 · Question #1022
Refer to the exhibit. An administrator received a call from a branch office regarding poor application performance hosted at the headquarters. Ethernet 1 is connected between Router1 and the LAN switc
The correct answer is B. There is a duplex mismatch.. The output shows that there are 15000 collisions on the interface, indicating a duplex mismatch issue between Router1 and the switch.
Submitted by chen.hong· Mar 5, 2026Network Fundamentals
Question
Refer to the exhibit. An administrator received a call from a branch office regarding poor application performance hosted at the headquarters. Ethernet 1 is connected between Router1 and the LAN switch. What identifies the issue?
Exhibits
Options
- AThe QoS policy is dropping traffic.
- BThere is a duplex mismatch.
- CThe link is over utilized.
- DThe MTU is not set to the default value.
How the community answered
(24 responses)- A8% (2)
- B75% (18)
- C13% (3)
- D4% (1)
Explanation
The output shows that there are 15000 collisions on the interface, indicating a duplex mismatch issue between Router1 and the switch.
Topics
#duplex mismatch#interface errors#Ethernet troubleshooting#show interface
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