Practice Spanning Tree Protocol Multiple Choice Questions with Answers Quiz-1

Q.1.

Which of the following is a layer 2 protocol used to maintain a loop-free network?

VTP
STP
RIP
CDP

Explanation

Q.2.

You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy?
1. Switch (config-if) # ip access-group 10
2. Switch (config-if) # switchport port-security maximum 1
3. Switch (config) # access-list 10 permit ip host 1
4. Switch (config-if) # switchport port-security violation shutdown
5. Switch (config) # mac-address-table secure

1 and 3
2 and 4
2, 3 and 5
4 and 5

Explanation

Q.3.

What command will display the forward/filter table?

show mac filter
show run
show mac address-table
show mac filter-table

Explanation

Q.4.

If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Discard it and send an error message back to the originating host
Flood the network with the frame
Add the source address and port to the MAC address table and forward the frame out the destination port
Add the destination to the MAC address table and then forward the frame

Explanation

Q.5.

What are the distinct functions of layer 2 switching that increase available bandwidth on the network?
1. Address learning
2. Routing
3. Forwarding and filtering
4. Creating network loops
5. Loop avoidance
6. IP addressing

1, 3 and 5
2, 4 and 6
2 and 6
3 and 5

Explanation

Q.6.

What are the distinct functions of layer 2 switching that increase available bandwidth on the network?
1. Address learning
2. Routing
3. Forwarding and filtering
4. Creating network loops
5. Loop avoidance
6. IP addressing

1, 3 and 5
2, 4 and 6
2 and 6
3 and 5

Explanation

Q.7.

Which of the following statement is true?

A switch creates a single collision domain and a single broadcast domain. A router creates a single collision domain.
A switch creates separate collision domains but one broadcast domain. A router provides a separate broadcast domain.
A switch creates a single collision domain and separate broadcast domains. A router provides a separate broadcast domain as well.
A switch creates separate collision domains and separate broadcast domains. A router provides separate collision domains.

Explanation

Q.8.

You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?

The routing tables on the switches will not update.
The MAC forward/filter table will not update on the switch.
Broadcast storms will occur on the switched network.
The switches will automatically load-balance between the two links.

Explanation

Q.9.

What is the result of segmenting a network with a bridge (switch)?
1. It increases the number of collision domains.
2. It decreases the number of collision domains.
3. It increases the number of broadcast domains.
4. It decreases the number of broadcast domains.
5. It makes smaller collision domains.
6. It makes larger collision domains.

1 and 5
2, 3 and 5
3, 4 and 6
1, 3 and 6

Explanation

Q.10.

What are the distinct functions of layer 2 switching that increase available bandwidth on the network?
1. Address learning
2. Routing
3. Forwarding and filtering
4. Creating network loops
5. Loop avoidance
6. IP addressing

1, 3 and 5
2, 4 and 6
2 and 6
3 and 5

Explanation

Q.11.

What are the distinct functions of layer 2 switching that increase available bandwidth on the network?
1. Address learning
2. Routing
3. Forwarding and filtering
4. Creating network loops
5. Loop avoidance
6. IP addressing

1, 3 and 5
2, 4 and 6
2 and 6
3 and 5

Explanation

Q.12.

Layer 2 switching provides which of the following?
1. Hardware-based bridging (ASIC)
2. Wire speed
3. Low latency
4. Low cost

1 and 3
2 and 4
1, 2 and 4
All of the above

Explanation

Q.13.

Your switch has a port status LED that is alternating between green and amber. What could this indicate?

The port is experiencing errors.
The port is shut down.
The port is in STP blocking mode.
Nothing; this is normal.

Explanation

Q.14.

You want to run the new 802.1w on your switches. Which of the following would enable this protocol?

Switch(config)# spanning-tree mode rapid-pvst
Switch# spanning-tree mode rapid-pvst
Switch(config)# spanning-tree mode 802.1w
Switch# spanning-tree mode 802.1w

Explanation

Q.15.

Which of the following statement is true?

A switch creates a single collision domain and a single broadcast domain. A router creates a single collision domain.
A switch creates separate collision domains but one broadcast domain. A router provides a separate broadcast domain.
A switch creates a single collision domain and separate broadcast domains. A router provides a separate broadcast domain as well.
A switch creates separate collision domains and separate broadcast domains. A router provides separate collision domains.

Explanation

Q.16.

Which of the following is a layer 2 protocol used to maintain a loop-free network?

VTP
STP
RIP
CDP

Explanation

Q.17.

What are the distinct functions of layer 2 switching that increase available bandwidth on the network?

Address learning
Routing
Forwarding and filtering
Creating network loops
Loop avoidance
IP addressing

1, 3 and 5
2, 4 and 6
2 and 6
3 and 5

Explanation

Q.18.

What is the purpose of Spanning Tree Protocol in a switched LAN?

To provide a mechanism for network monitoring in switched environments
To prevent routing loops in networks with redundant paths
To prevent switching loops in networks with redundant switched paths
To manage the VLAN database across multiple switches
To create collision domains

Explanation

Q.19.

You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?

The routing tables on the switches will not update.
The MAC forward/filter table will not update on the switch.
Broadcast storms will occur on the switched network.
The switches will automatically load-balance between the two links.

Explanation

Q.20.

You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy?

Switch(config-if)# ip access-group 10
Switch(config-if)# switchport port-security maximum 1
Switch(config)# access-list 10 permit ip host 1
Switch(config-if)# switchport port-security violation shutdown
Switch(config)# mac-address-table secure

1 and 3
2 and 4
2, 3 and 5
4 and 5

Explanation

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