H3C GB0-372-ENU 問題集

質問 1：
A customer's internal LAN wants to deploy 802.1X. Due to external conditions, the only way to use it is EAP relay. Which of the following statements about this solution is wrong? (Multiple choice)
A. Only the device can actively trigger the authentication method
B. CHAP authentication is used between the server and the device
C. The server and the device use PEAP authentication
D. Between the client and the device, the EAP message adopts the EAPOL encapsulation format
正解：A,B

質問 2：
The router IGMP protocol version can be configured which of the following in the view?
A. IGMP view
B. User view
C. System global view
D. Interface view
正解：D

質問 3：
Which of the following statements about the basic concepts of MSTP is correct? (Multiple choice)
A. The Master bridge is the domain root of IST
B. The role of the master port is the same on all MSTIs
C. Master port refers to the region boundary port of the MST region
D. If the MST region is regarded as a logical bridge, the Master port is the root port of the logical bridge.
正解：A,B,D

質問 4：
Which of the following statements is correct about the basic concept of MSTP? (Multiple choice)
A. IST is a spanning tree in the MST region. The instance number corresponding to IST is 0.
B. CST refers to a spanning tree between regions, which is obtained by running STP/RSTP between MST regions.
C. When CST is running, the MST region is regarded as a logical switch, and the root bridge of CST is the region to which the total root belongs.
D. By default, all VLANs in the MST region are mapped to the IST
正解：A,B,C,D

質問 5：
In the switching network shown in the figure, VLAN10 is set as lsolate-user-vlan on switch SWA, VLAN2 and VLAN3 are set as the secondary VLAN of VLAN 10; VLAN2 and VLAN20 are created on switch SWB, and VLAN20 is set as lsolate-user-vlan, and VLAN4 is set as the secondary VLAN of VLAN20. After setting the IP addresses of each device, check the MAC address table on SWA, and it will be displayed that PCB belongs to? (Multiple choice)

A. VLAN 10
B. VLAN 4
C. VLAN 3
D. VLAN 1
E. VLAN 2
F. VLAN 20
正解：A,C

質問 6：
Which of the following statements about the role of BSR and RP in PIMSM is correct? (Multiple choice)
A. BSR controls the collection and dissemination of RP information and is the management core of the PIM-SM domain.
B. If there is no BSR in the PIM-SM domain, RP information cannot be spread, multicast receivers cannot join normally, and multicast traffic cannot be forwarded normally.
C. RP is the transit station for multicast source to forward multicast traffic
D. RP is the convergence point for multicast receivers to join a multicast group
正解：A,C,D

質問 7：
The SSH protocol framework consists of multiple protocols . Which of the following is a correct description of these protocols and their roles in the SSH framework? (Multiple choice)
A. Link layer protocol completes link availability and establishes encrypted channels and logical channels
B. The transport layer protocol can provide support for server authentication and information integrity
C. The user encryption protocol mainly provides data confidentiality support and divides the encrypted information into several logical channels for multiplexing
D. User authentication protocol completes the client's identity authentication
正解：B,D

質問 8：
Regarding the relationship between RSTP and STP, which of the following is correct statement?
A. RSTP can realize load sharing of data from different VLANs on Trunk links based on STP.
B. RSTP is defined in the old EE802.1 D standard. Its protocol concept is the same as STP, but it has improved the convergence time.
C. RSTP has all the functions of STP, but it only uses one type of BPDU
D. Switches running RSTP can work together with switches running STP and improve the convergence time of STP.
正解：C