Q.1
Which of the following is a layer 2 protocol used to maintain a loop-free network?
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
Q.3
What command will display the forward/filter table?
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?
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
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
Q.7
Which of the following statement is true?
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?
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.
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
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
Q.12
Layer 2 switching provides which of the following?
1. Hardware-based bridging (ASIC)
2. Wire speed
3. Low latency
4. Low cost
Q.13
Your switch has a port status LED that is alternating between green and amber. What could this indicate?
Q.14
You want to run the new 802.1w on your switches. Which of the following would enable this protocol?
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.
Q.16

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

  • VTP
  • STP
  • RIP
  • CDP
Q.17

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
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
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.
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?

  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
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