Huawei H12-224 Practice Test - Questions Answers, Page 10
Question list
List of questions
Related questions
Which statements about VLAN are true? (Choose three.)
A.
The VLAN improves network security. Users on different VLANs cannot communicate with each other.
B.
The VLAN improves network processing efficiency. Users on different VLANs are separated from each other. Therefore, the size of a broadcast domain is reduced.
C.
Layer 2 forwarding is only based on destination MAC addresses, and is irrelevant to VLAN configuration.
D.
The VLAN technology is a management method that controls the communication between terminals.
In STP, BPDU packet is carried by ( ).
A.
IP packet
B.
TCP packet
C.
Ethernet frame
D.
UDP packet
Which statements about VLAN allocation are true? (Choose three.)
A.
The IP subnet VLAN is used to send the packets from the specified network segment or IP address over the specified VLAN.
B.
The MAC address- or IP subnet-based VLAN is valid for only the untagged packets.
C.
The protocol-based VLAN has a higher priority than the IP subnet-based VLAN.
D.
The protocol-based VLAN indicates that service types on the network are bound to VLANs.
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?
A.
Root Identifier
B.
Root Path Cost
C.
Bridge Identifier
D.
Port Identifier
In the network diagram, which switch will be selected as the root switch?
A.
SWA
B.
SWB
C.
SWC
D.
None of the above
Which are 802.1x authentication modes? (Choose two.)
A.
EAP relay mode
B.
Proxy mode
C.
EAP termination mode
D.
Remote mode
STP elects ( )
A.
One bridge as the Root Bridge and another one as the Backup Root Bridge
B.
One bridge as the Root Bridge
C.
Two bridges as the Root Bridge
D.
One Designated Bridge
As shown in the figure, when the STP network runs properly, which device does the designated port of LANC reside?
A.
SWA
B.
SWB
C.
SWC
D.
None of the above
Each STP switch has a unique switch ID. Which two entries does the switch ID contain?
A.
Two-byte switch priority
B.
Six-byte MAC address
C.
Two-byte switch priority and six-byte MAC address
D.
Six-byte switch priority and six-byte MAC address
Question