WorksheetsSRWE - Module 5 - STP Concepts
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
An administrator is troubleshooting a switch and wants to verify if it is a root bridge. What command can be used to do this?
a)
show interface spanning-tree
b)
show startup-config
c)
show spanning-tree
d)
show running-config
e)
show vlan
2.
What is one way to correct a spanning tree failure?
a)
Manually remove redundant links in the switched network
b)
Replace the cables on failed STP links
c)
Replace all instances of STP with RSTP
d)
Insert redundant links to replace the failed STP links
e)
Turn off spanning tree altogether
3.
When PVST is running over a switched network, which port state can participate in BPDU frame forwarding based on BPDUs received, but does not forward data frames?
a)
Forwarding
b)
Listening
c)
Blocking
d)
Disabled
e)
Discarding
4.
What value determines the root bridge when all switches connected by trunk links have default STP configurations?
a)
IP address
b)
Bridge priority
c)
Extended system ID
d)
VLAN ID
e)
MAC address
5.
Refer to the exhibit. Which switch will be the root bridge after the election process is complete?
a)
Switch 2
b)
Switch 3
c)
Switch 1
d)
Switch 4
e)
Switch 5
6.
A switch is configured to run STP. What term describes a field used to specify a VLAN ID?
a)
Bridge Priority
b)
Extended VLAN ID
c)
Extended system ID
d)
Port ID
e)
Bridge ID
7.
Refer to the exhibit. If SW2 is the root bridge, which interface would be the alternate port?
a)
Fa0/16
b)
Fa0/15
c)
Fa0/13
d)
Fa0/14
8.
What is the IEEE standard enhancement of 802.1D?
a)
STP+
b)
RSTP
c)
PVST+
d)
MST
e)
STP
9.
Which STP port role is adopted by a switch port if there is no other port with a lower cost to the root bridge?
a)
Designated port
b)
Disabled port
c)
Alternate
d)
Root port
e)
Forwarding port
10.
In which two PVST+ port states are MAC addresses learned? (Choose two.)
a)
Disabled
b)
Learning
c)
Forwarding
d)
Blocking
e)
Listening
11.
A switch is configured to run STP. What term describes a non-root port that is permitted to forward traffic on the network?
a)
Designated port
b)
Root port
c)
Blocking port
d)
Alternate port
e)
Disabled port
12.
Refer to the exhibit. What are the possible port roles for ports A, B, C, D and E in this RSTP-enabled network?
a)
Root, Root, Designated, Blocking, Alternate
b)
Designated, Root, Blocking, Alternate, Root
c)
Root, Designated, Root, Alternate, Blocking
d)
Alternate, Root, Root, Designated, Blocking
e)
Designated, Designated, Root, Blocking, Alternate
13.
Which spanning tree standard supports only one root bridge so that traffic from all VLANs flows over the same path?
a)
MST
b)
802.1D
c)
MSTP
d)
PVST+
e)
Rapid PVST
14.
Which port state will switch ports immediately transition to when configured for PortFast?
a)
Forwarding
b)
Listening
c)
Learning
d)
Blocking
e)
Disabled
100 %
