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200-901 Practice Question: Based on the exhibit, which interface is in a…

Exhibit

Refer to the exhibit.
Router# show ip interface brief
Interface       IP-Address      OK? Method Status                Protocol
GigabitEthernet0/0  192.168.1.1    YES manual up                    up
GigabitEthernet0/1  10.10.10.1      YES manual down                  down
GigabitEthernet0/2  unassigned      YES unset  administratively down down

Based on the exhibit, which interface is in a down/down state (both Status and Protocol are down)?

⚠ Common exam trap

Cisco often tests the ability to read the 'show interfaces' output correctly, where candidates may confuse the 'Status' and 'Protocol' columns or misinterpret an 'up/up' state as a problem, leading them to select a wrong interface like GigabitEthernet0/0 or GigabitEthernet0/2.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

GigabitEthernet0/1

The exhibit shows that GigabitEthernet0/1 has both Status and Protocol listed as 'down'. In Cisco IOS, the 'Status' column indicates the line protocol state (Layer 1), and the 'Protocol' column indicates the data link layer state (Layer 2). When both are 'down', the interface is administratively down or has a physical layer issue, such as a disconnected cable or a shutdown command.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • ✗

    None

    Why it's wrong here

    Gig0/1 meets the criteria.

  • ✗

    GigabitEthernet0/2

    Why it's wrong here

    Gig0/2 is administratively down, not down/down.

  • ✗

    GigabitEthernet0/0

    Why it's wrong here

    Gig0/0 is up/up.

  • ✓

    GigabitEthernet0/1

    Why this is correct

    Gig0/1 shows Status down and Protocol down.

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JA

Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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