Huawei H12-224 Practice Test - Questions Answers, Page 10

List of questions
Question 91

Which statements about VLAN are true? (Choose three.)
The VLAN improves network security. Users on different VLANs cannot communicate with each other.
The VLAN improves network processing efficiency. Users on different VLANs are separated from each other. Therefore, the size of a broadcast domain is reduced.
Layer 2 forwarding is only based on destination MAC addresses, and is irrelevant to VLAN configuration.
The VLAN technology is a management method that controls the communication between terminals.
Suggested answer: A, B, D
Question 92

In STP, BPDU packet is carried by ( ).
IP packet
TCP packet
Ethernet frame
UDP packet
Suggested answer: C
Question 93

Which statements about VLAN allocation are true? (Choose three.)
The IP subnet VLAN is used to send the packets from the specified network segment or IP address over the specified VLAN.
The MAC address- or IP subnet-based VLAN is valid for only the untagged packets.
The protocol-based VLAN has a higher priority than the IP subnet-based VLAN.
The protocol-based VLAN indicates that service types on the network are bound to VLANs.
Suggested answer: A, B, D
Question 94

According to the STP protocol, a certain field in the BPDU identifies the root switch. That is, if the BPDU sent by a switch contains this field, this switch is considered as the root switch. What is this field?
Root Identifier
Root Path Cost
Bridge Identifier
Port Identifier
Suggested answer: A
Question 95

In the network diagram, which switch will be selected as the root switch?
SWA
SWB
SWC
None of the above
Suggested answer: A
Question 96

Which are 802.1x authentication modes? (Choose two.)
EAP relay mode
Proxy mode
EAP termination mode
Remote mode
Suggested answer: A, C
Question 97

STP elects ( )
One bridge as the Root Bridge and another one as the Backup Root Bridge
One bridge as the Root Bridge
Two bridges as the Root Bridge
One Designated Bridge
Suggested answer: B
Question 98

How many port states are defined by STP?
3
4
5
6
Suggested answer: C
Question 99

As shown in the figure, when the STP network runs properly, which device does the designated port of LANC reside?
SWA
SWB
SWC
None of the above
Suggested answer: B
Question 100

Each STP switch has a unique switch ID. Which two entries does the switch ID contain?
Two-byte switch priority
Six-byte MAC address
Two-byte switch priority and six-byte MAC address
Six-byte switch priority and six-byte MAC address
Suggested answer: C
Question