H3C GB0-320 Constructing Enterprise-level Switching Networks Online Training
H3C GB0-320 Online Training
The questions for GB0-320 were last updated at Feb 19,2025.
- Exam Code: GB0-320
- Exam Name: Constructing Enterprise-level Switching Networks
- Certification Provider: H3C
- Latest update: Feb 19,2025
The devices that are applied in LAN are:( )
- A . Access Server
- B . MODEM
- C . Hub
- D . Ethernet switch
The Ethernet at the early stage is based on the medium of ( ). Only after the appearance of the Ethernet based on ( ), Ethernet is developed to be the LAN standard we usually talk abou A.
- A . Coaxial cable; Twisted pair
- B . Twisted pair; Optical cable
- C . Coaxial cable; Optical cable
- D . Twisted pair; Coaxial cable
Which of the following descriptions of bridge are true?
- A . The traditional Ethernet tries to segment the host by the bridge to reduce the conflict A.
- B . In the large-scale network, HUB is more likely to be the bottleneck for the network transmission than the switch.
- C . Bridge cannot provide a solution to the broadcast flooding.
- D . Bridge can provide a solution to the broadcast flooding.
Which of the following descriptions of the switching Ethernet are true?
- A . All the hosts in the network are physically unconnected. When the host needs to communicate, it is connected to the peer host via the switch equipment and disconnected after the communication.
- B . The switching equipment includes: switching concentrator and switch.
- C . The networking through the switching equipment is of star structure physically and bus structure logically.
- D . All the above descriptions are false.
Compared with hub, which of the following descriptions of Ethernet switch are true?
- A . The Ethernet switch extends the bandwidth of the network.
- B . The Ethernet switch separates the network collision domain and confines the network collision to the minimum
- C . As the more intelligent switching equipment, the Ethernet switch can provide more functions required by users such as priority, virtual network and remote detection.
- D . The Ethernet switch has completely solved the problem of broadcast flooding.
Which of the following items are in the scope of the switching Ethernet technology? ( )
- A . 802.1p
- B . 802.1q
- C . 802.1x
- D . 802.1d
Data flow priority technology enables the switch to forward data or information flow with a higher priority first, thus ensuring that the data with a higher priority is transmitted in the LAN with the least delay and enough bandwidth. In practice, the switch can implement the identification, priority allocation and forwarding of the data flow. Also, the network terminal may allocate priorities for the data frame and then the switch forwards them according to their priority flags.
- A . True
- B . False
The implementation of multicast includes two aspects: layer 3 multicast routing protocols and multicast group management protocols. The Ethernet switch identifies the multicast members by monitoring the IGMP packet or the layer 2 multicast registering protocol GMRP to guarantee the correct and effective transmission of the multicast packets.
- A . True
- B . False
Which of the following descriptions of VLAN of layer 2 switch are true?
- A . The router must be adopted to interconnect VLANs to realize inter-VLAN communication. And this also conforms to the new 20/80 rule.
- B . The network security can be enhanced by segmenting the physical network into different VLANs.
- C . The utilization of the physical network can be improved by segmenting the physical network into different VLANs.
- D . All the above descriptions are false.
Which of the following descriptions of the defects of VLAN interconnection by the routers are true?
- A . Generally, the router is more expensive than the switch at the same level.
- B . The router function is almost realized by the software, so the forwarding performance is low.
- C . Although there are many defects of VLAN interconnection by routers, router must be adopted to implement the multi-VLAN communication. To prevent the router from becoming the bottleneck of the network, most of the network flow should be planed in one VLAN.
- D . All the above descriptions are false.
