Switching

Question 1

How many broadcast domains are shown in the graphic assuming only the default vlan is configured on the switches?

Answer 1

A. one

Question 2

What does a Layer 2 switch use to decide where to forward a received frame?

A. source MAC address
B. source IP address
C. source switch port
D. destination IP address
E. destination port address
F. destination MAC address

Answer 2

F. destination MAC address

Question 3

A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.

Answer 3

D. An additional broadcast domain will be created.

Question 4

Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?

Answer 4

B. Ensure that cables A and B are straight-through cables.
D. Ensure the switch has power.
F. Reseat all cables.

Question 5

Why will a switch never learn a broadcast address?

A. Broadcast frames are never sent to switches.
B. Broadcast addresses use an incorrect format for the switching table.
C. A broadcast address will never be the source address of a frame.
D. Broadcasts only use network layer addressing.
E. A broadcast frame is never forwarded by a switch.

Answer 5

C. A broadcast address will never be the source address of a frame.

Question 6

Which two statements about RSTP are correct?

Answer 6

1. RSTP defines new port roles
2. RSTP is compatible with the original IEEE 802.1D STP

Question 7

Which two commands can be used to verify a trunk link configuration status on a given Cisco switch?

Answer 7

1. show interface trunk
2. show interface switchport

Question 8

What two results would occur if the hub were to be replaced with a switch that is configured with one Ethernet VLAN? (Choose two)

Answer 8

1. The number of collision domains would increase.
2. The number of broadcast domains would remain the same.

Question 9

What is one benefit of PVST+?

Answer 9

PVST+ allows the root switch location to be optmized per VLAN