What happens to a port that is configured with root guard when it receives a superior BPDU?

The port is immediately shut down and must be manually re-enabled

The port is placed in a root-inconsistent state and does not forward traffic

The port becomes the root port and the switch becomes the root bridge

The port continues to forward traffic but ignores the superior BPDU

Two switches are connected with a static trunk. The trunk is not coming up, and the show interfaces trunk command shows that the trunk is in a down state. Which configuration issue is the most likely cause?

The trunk encapsulation is not set to 802.1Q on both switches

The allowed VLAN list is different on the two switches

The trunk mode is set to trunk on one switch and dynamic desirable on the other

The native VLAN is mismatched between the two switches

What is the purpose of root guard on a switch port?

To prevent the port from becoming a root port

To speed up convergence by allowing the port to forward immediately

To prevent unauthorized switches from becoming the root bridge

What is the purpose of configuring a port as an edge port in RSTP?

To prevent the port from sending BPDUs

To allow the port to transition directly to the forwarding state without waiting for the forward delay

CiscoCertified Network Professional Enterprise

Domain 3Objective 1

3.1 Layer 2 350-401 Practice Questions (Page 3)

Part of the 3.0 Infrastructure domain, which accounts for 30% of the 350-401 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~15–24 in this domain), expect 5–8 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)

26questions here

6free pages

10concepts

30%of the exam

Questions 11–15

11foundation · easy
What happens to a port that is configured with root guard when it receives a superior BPDU?
Select an answer first
12foundation · easy
Which protocol is an IEEE standard for dynamically negotiating EtherChannel?
Select an answer first
13foundation · easy
Two switches are connected with a static trunk. The trunk is not coming up, and the show interfaces trunk command shows that the trunk is in a down state. Which configuration issue is the most likely cause?
Select an answer first
14foundation · easy
What is the purpose of root guard on a switch port?
Select an answer first
15foundation · easy
What is the purpose of configuring a port as an edge port in RSTP?
Select an answer first

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