NE NE Switching

Question 1

What is the default port cost for a 1 Gbps link in IEEE 802.1D Spanning Tree Protocol?

Accepted Answer

19

Answer

4

Answer

100

Answer

1000

Question 2

In STP, what is the role of the Root Bridge?

Accepted Answer

It serves as the reference point for all STP path calculations in the network

Answer

It forwards traffic between VLANs

Answer

It provides DHCP services

Answer

It manages trunk negotiation

Question 3

Which STP port state forwards frames and learns MAC addresses?

Accepted Answer

Forwarding

Answer

Blocking

Answer

Listening

Answer

Learning

Question 4

What does the 'show mac address-table' command display on a Cisco switch?

Accepted Answer

Dynamically learned and static MAC-to-port mappings

Answer

Configured VLANs and their associated ports

Answer

STP topology and port roles

Answer

Interface duplex and speed settings

Question 5

What is the purpose of VLAN trunking using 802.1Q?

Accepted Answer

To carry traffic from multiple VLANs over a single physical link by tagging frames

Answer

To aggregate multiple physical links into one logical link

Answer

To prevent loops in a switched network

Answer

To assign IP addresses to VLAN interfaces

Question 6

Which switching method begins forwarding a frame before it is fully received, reducing latency?

Accepted Answer

Cut-through

Answer

Store-and-forward

Answer

Fragment-free

Answer

Adaptive cut-through