STP e RSTP - Assessment

1.

Multiple Choice

1 min

1 pt

When a network administrator configures STP in the network, BPDU begin to be sent by switch. Which of the following statements regarding the BPDU frame are correct?

A BPDU uses the IEEE 802.3 standard frame type.

B. A BPDU uses the Ethernet II standard frame type.

C. The BPDU frame’s control field is 3.

D. The destination MAC address field of a BPDU frame is a broadcast address.

2.

Multiple Choice

1 min

1 pt

In standard STP mode, which of the following ports on non-root switches forward the BPDUs with TC bits set generated by the root switch?

A. Root port

B. Backup port

C. Designated port

D. Alternate port

3.

Multiple Choice

1 min

1 pt

Assuming all STP enabled switches have the same bridge priority. The MAC address of switch A is 00-e0-fc-00-00-40, the MAC address of switch B is 00-e0-fc-00-00-10, the MAC address of switch C is 00-e0-fc-00-00-20, and the MAC address of switch D is 00-e0-fc-00-00-80. Which switch will be elected as the root switch?

A. Switch A

B. Switch B

C. Switch C

D. Switch D

4.

Multiple Choice

30 sec

1 pt

In STP, the priority of the STP root switch ranges from 0 to 65536.

TRUE

FALSE

5.

Multiple Choice

1 min

1 pt

During STP calculation, the port cost is associated with port bandwidth. Which of the following statements about the relation between port cost and port bandwidth is true?

A. Port cost decreases when port bandwidth increases.

B. Port cost increases when port bandwidth increases.

C. Port cost is consistent with port bandwidth.

D. Port cost varies randomly according to port bandwidth.

6.

Multiple Select

1 min

1 pt

Which of the following descriptions about STP are incorrect? (Multiple Choice)

A. A layer-2 switching network can have only one designated switch.

B. All the ports of the root switch are root ports.

C. All the ports of the root switch are designated ports.

D. The switch with the smallest priority value is elected as non-root switch.

7.

Multiple Choice

1 min

1 pt

Refer to the graphic.

Both switches are operating using STP. With exception to those shown, all other default parameters have been maintained. Which port will be blocked?

A. Port G0/0/1 of switch A.

B. Port G0/0/2 of switch B.

C. Port G0/0/1 of switch B.

D. Port G0/0/2 of switch A.

8.

Multiple Choice

1 min

1 pt

Refer to the graphic.

The switch is operating using STP. All default parameters have been maintained. Which port will be assigned a designated port role?

A. G0/0/1 of switch A.

B. G0/0/2 of switch A.

C. E0/0/1 of the hub.

D. E0/0/2 of the hub.

9.

Multiple Choice

1 min

1 pt

Which of the following descriptions about STP designated ports is correct?

A. Designated ports forward frames destined for the root switch.

B. Designated ports represent the path leading to the root switch.

C. Each bridge can have only one designated port.

D. Designated ports are responsible for sending BPDU to connected network segments.

10.

Multiple Choice

1 min

1 pt

What is the total length of the port ID in STP?

A. 4 bits

B. 8 bits

C. 2 bits

D. 16 bits

11.

Multiple Choice

1 min

1 pt

Which of the following statements are true about STP BPDUs?

A. During initialization, each switch enabled with STP proactively sends configuration BPDUs.

B. BPDUs are encapsulated in Ethernet frames and the destination MAC address is a multicast MAC address.

C. After STP is enabled on a port, the switch periodically sends TCN BPDUs through the designated port.

D. STP has two types of packets: configuration BPDU and TCN BPDU.

12.

Multiple Choice

1 min

1 pt

Which of the following protocols can be used on a Layer 2 network with redundant links to prevent loops?

A. UDP

B. VRRP

C. STP

D. ARP

13.

Multiple Choice

1 min

1 pt

Which of the following parameters does not the configuration BPDU packet of the STP protocol?

A. Port ID

B. Bridge ID

C. VLAN ID

D. Root ID

14.

Multiple Choice

1 min

1 pt

By default, how many seconds are the Forward Delay of STP protocol?

A. 20

B. 15

C. 10

D. 5

15.

Multiple Select

1 min

1 pt

Which of the following parameters are used in the switched network that runs the STP protocol when performing spanning tree calculations? (Multiple Choice).

A. Root path cost

B. Port ID

C. Bridge ID

D. Forward Delay

16.

Multiple Choice

1 min

1 pt

The device port running STP is in the Forwarding state. Which is correct?

A. The port only receives and processes BPDU and does not forward user traffic.

B. The port forwards both user traffic and BPDU.

C. The port does not process BPDU and does not forward user traffic.

D. The port will build a MAC address table based on the received user traffic but will not forward user traffic.

17.

Multiple Choice

1 min

1 pt

Which of the following states does the STP protocol elect to perform port roles?

A. Blocking

B. Disabled

C. Learning

D. Listening

18.

Multiple Choice

1 min

1 pt

In standard STP mode, which of the following ports on non-root switches forward the BPDUs with TC bits set generated by the root switch?

A. Root port.

B. Backup port.

C. Provisioning port

D. Designated port

19.

Multiple Select

1 min

1 pt

Which of the following parameters should be considered when electing a root port in STP? (Multiple choice)

A. Duplex mode of the port

B. Port priority (Right Answers)

C. the cost of the port reaches the root switch

D. MAC address of the port

E. Port slot number, such as GO/0/1

20.

Multiple Choice

1 min

1 pt

As specified by the RSTP protocol, when a root port fails, which type of port will function as a new root port and enters the forwarding state without any delay?

A. Forwarding Port

B. Alternate Port

C. Backup Port

D. Edge Port

21.

Multiple Choice

30 sec

1 pt

In RSTP, a backup port can replace a faulty root port.

A. TRUE

B. FALSE

22.

Multiple Choice

30 sec

1 pt

In RSTP mode, both alternate and backup ports cannot forward user traffic but can receive, process, and send BPDU.

A. TRUE

B. FALSE

23.

Multiple Choice

30 sec

1 pt

In RSTP mode, interfaces in the Discarding state discard received data frames but maintain the MAC address table based on received data frames.

A. TRUE

B. FALSE

24.

Multiple Select

1 min

1 pt

If an Ethernet data frame carries Length/Type = 0x8100, which of the following cannot be the payload of the data frame? (Multiple Choice)

A. RSTP data frame

B. OSPF packet

C. ARP response packet

D. STP data frame

25.

Multiple Select

1 min

1 pt

Compared to STP protocol, which kind of port role is added in RSTP protocol? (Multiple Choice)

A. Alternate port

B. Backup port

C. Root port

D. Designated port

26.

Multiple Choice

1 min

1 pt

Which of the following statements about the Backup port in the RSTP protocol is correct?

A. Backup port as a backup of the designated port, providing another backup path from the root bridge to the corresponding network segment.

B. Backup port not only forwards user traffic but also learns MAC address

C. Backup port does not forward user traffic but learns MAC address

D. Backup port provides another switchable path from the designated bridge to the root as the backup port of the root port

27.

Multiple Choice

30 sec

1 pt

The loop protection function provided by the RSTP protocol can take effect only on the specified port.

A. True.

B. False

28.

Multiple Choice

30 sec

1 pt

n the RSTP protocol, the edge port loses the edge port attribute when it receives the configuration BPDU message.

A. True.

B. False

29.

Multiple Choice

30 sec

1 pt

The device running STP will discard when it receives the configuration BPDU of RSTP.

A. TRUE

B. FALSE

30.

Multiple Choice

30 sec

1 pt

n the RSTP protocol, the edge port loses the edge port attribute when it receives the configuration BPDU message.

A. True

B. False

31.

Multiple Choice

30 sec

1 pt

In RSTP mode, interfaces in the Discarding state discard received data frames but maintain the MAC address table based on received data frames.

A. TRUE

B. FALSE.

32.

Multiple Choice

1 min

1 pt

Which of the following statements about the edge port in the RSTP protocol is correct?

A. The edge port can be directly transferred from the Disable state to the Forwarding state.

B. The ports interconnected between the switches need to be set as edge ports.

C. The edge pert discards the received configuration BPDU packet.

D. Edge port participates in RSTP operation

33.

Multiple Choice

1 min

1 pt

Which of the following port states does not the RSTP protocol include?

A. Blocking

B. Forwarding

C. Discarding

D. Learning

34.

Multiple Select

1 min

1 pt

In the RSTP protocol, when the topology is stable, which port roles are in the Discarding state? (Multiple choice)

A. Backup part

B. Designated part

C. Alternate port

D. Root port

35.

Multiple Choice

1 min

1 pt

What is the value of the Type field in the RSTP configuration BPDUs?

A. Ox01

B. 0x03

C. Ox00

D. 0x02

36.

Multiple Choice

1 min

1 pt

Which of the following cases will the switch running RSTP generate a configuration BPDU with TO set?

A. A non-edge port migrates to the Forwarding state

B. Backup port down

C. Edge port migrates to Forwarding state

D. Edge port migrates to Discarding state

Explore this activity with a free account