Networking - Spanning Tree Protocol

Why Networking Spanning Tree Protocol?

In this section you can learn and practice Networking Questions based on "Spanning Tree Protocol" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

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Where can I get Networking Spanning Tree Protocol Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Networking Spanning Tree Protocol questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

How to solve Networking Spanning Tree Protocol problems?

You can easily solve all kind of Networking questions based on Spanning Tree Protocol by practicing the objective type exercises given below, also get shortcut methods to solve Networking Spanning Tree Protocol problems.

Exercise :: Spanning Tree Protocol - Spanning Tree Protocol

• Spanning Tree Protocol - Spanning Tree Protocol
1.

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

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

Explanation:

The Spanning Tree Protocol (STP) was designed to stop layer 2 loops. All Cisco switches have the STP on by default.

2.

Which statement describes a spanning-tree network that has converged?

 A. All switch and bridge ports are in the forwarding state. B. All switch and bridge ports are assigned as either root or designated ports. C. All switch and bridge ports are in either the forwarding or blocking state. D. All switch and bridge ports are either blocking or looping.

Explanation:

Convergence occurs when all ports on bridges and switches have transitioned to either the forwarding or blocking states. No data is forwarded until convergence is complete. Before data can be forwarded again, all devices must be updated.

3.

What does a switch do when a frame is received on an interface and the destination hardware address is unknown or not in the filter table?

 A. Forwards the switch to the first available link B. Drops the frame C. Floods the network with the frame looking for the device D. Sends back a message to the originating station asking for a name resolution

Explanation:

Switches flood all frames that have an unknown destination address. If a device answers the frame, the switch will update the MAC address table to reflect the location of the device.

4.

In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

 A. During high-traffic periods B. After broken links are reestablished C. When upper-layer protocols require high reliability D. In an improperly implemented redundant topology

Explanation:

If the Spanning Tree Protocol is not running on your switches and you connect them together with redundant links, you will have broadcast storms and multiple frame copies.

5.

If you want to disable STP on a port connected to a server, which command would you use?

 A. disable spanning-tree B. spanning-tree off C. spanning-tree security D. spanning-tree portfast