1. How does STP prevent forwarding loops at OSI Layer 2?
A.
B.
C.
D.

Question 1 of 13

2. Which result occurs when PortFast is enabled on an interface that is connected to another switch?
A.
B.
C.
D.

Question 2 of 13

3. Refer to the exhibit. Which switch becomes the root bridge?

A.
B.
C.
D.

Question 3 of 13

4. When using Rapid PVST+, which command guarantees the switch is always the root bridge for VLAN 200?

 
A.
B.
C.
D.

Question 4 of 13

5. What criteria is used first during the root port selection process?

 
A.
B.
C.
D.

Question 5 of 13

6. What is the primary effect of the spanning-tree portfast command?
A.
B.
C.
D.

Question 6 of 13

7. Which configuration ensures that the switch is always the root for VLAN 750?

 
A.
B.
C.
D.

Question 7 of 13

8. Which spanning-tree enhancement avoids the learning and listening states and immediately places ports in the forwarding state?

 
A.
B.
C.
D.

Question 8 of 13

9. Refer to the exhibit.

Switch1: 0C.E0.38.57.24.22
Switch2: 0C.0E.15.22.1A.61
Switch3: 0C.0E.15.1D.3C.9A
Switch4: 0C.E0.19.A1.4D.16
After the election process what is the root bridge in the HQ LAN?
A.
B.
C.
D.

Question 9 of 13

10. Refer to the exhibit. Which switch in this configuration will be elected as the root bridge?

SW1: 0C:E0:38:00:36:75
SW2: 0C:0E:15:22:05:97
SW3: 0C:0E:15:1A:3C:9D
SW4: 0C:E0:18:A1:B3:19
A.
B.
C.
D.

Question 10 of 13

11. Refer to the exhibit. What two conclusions should be made about this configuration? (Choose two)

A.
B.
C.
D.
E.

Question 11 of 13

12. Which state does the switch port move to when PortFast is enabled?
A.
B.
C.
D.

Question 12 of 13

13. Refer to exhibit. How does SW2 interact with other switches in this VTP domain?
SW2
vtp domain cisco
vtp mode transparent
vtp password test
interface fastethernet0/1
description connection to SW1
switchport mode trunk
switchport trunk encapsulation dot1q
 
A.
B.
C.
D.

Question 13 of 13