Latest [Oct 21, 2024] H3C GB0-372-ENU Exam Practice Test To Gain Brilliante Result
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NEW QUESTION # 144
SSH protocol uses RSA encryption system to ensure transmission security and the legitimacy of the logged-in user. The reason why RSA authentication method is adopted by SSH is that its characteristics are? (Multiple choice)
- A. RSA uses public key encryption, which is symmetric encryption and always generates a key pair.
- B. Information encrypted by one public key can only be decrypted by another public key
- C. The uniqueness of the private key determines that it can also be used as a digital signature
- D. When generating an RSA key pair, it is a pair of related keys including a public key and a secret key.
Answer: C,D
NEW QUESTION # 145
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. Between the client and the device, the EAP message adopts the EAPOL encapsulation format
- B. The server and the device use PEAP authentication
- C. CHAP authentication is used between the server and the device
- D. Only the device can actively trigger the authentication method
Answer: C,D
NEW QUESTION # 146
A loop in the LAN may cause? (Multiple choice)
- A. The port duplex mode changes
- B. MAC address learning error
- C. Broadcast Storm
- D. The end rate changes
Answer: B,C
NEW QUESTION # 147
Regarding multicast maintenance commands, which of the following is correct? (Multiple choice)
- A. The multicast routing table is the basis for multicast data forwarding. By viewing the table, you can understand the establishment of (S, G) entries, etc.
- B. The multicast forwarding table is directly used to guide the forwarding of multicast data. By viewing this table, you can understand the forwarding status of multicast data.
- C. By viewing the PIM routing table, you can learn about the (S, G) or (*, G) table entries.
- D. By viewing the IGMP group information, you can learn about the relevant information of a multicast group maintained by the interface.
Answer: A,B,C,D
NEW QUESTION # 148
Which of the following descriptions about H3C switch static routing is correct?
- A. When configuring static routing, the switch can directly specify the outbound interface without specifying the next hop.
- B. Layer 2 switches do not support routing forwarding, so static routing cannot be configured on Layer 2 switches.
- C. Only Layer 3 switches can be configured with static routing
- D. Layer 2 switches can be configured with static routing
Answer: D
NEW QUESTION # 149
Host PCA, PCB and PCC are connected to Ethernet1/0/1 Ethernet1/0/2 and Ethernet1/0/3 ports of switch SWA respectively, and their addresses are in the same network segment. Checking VLAN on SWA shows the following:
[SWA] display vlan 10
VLAN ID:10
VLAN Type: static
Route Interface: not configured Description: VLAN 0010 Name: VLAN 0010
Tagged Ports: none Untagged Ports: Ethernet1/0/1 Ethernet1/0/24 [SWA] display vlan 20VLAN ID: 20 VLAN Type: static Route Interface: not configured Description: VLAN 0020 Name: VLAN 0020 Tagged Ports: none Untagged Ports:
Ethernet1/0/2Ethernet1/0/24 [SWA] display vlan 30VLAN ID: 30
VLAN Type: static
Route Interface: not configured Description: VLAN 0030 Name: VLAN 0030
Tagged Ports: none Untagged Ports:
Ethernetl/0/1 Ethernetl/0/2 Ethernet1/0/24 From the above output information, we can judge which of the following is correct? (Multiple choice)
- A. PCB can communicate with PCC
- B. PCA can communicate with PCB
- C. PCA can communicate with PCC
- D. PCA, PCB and PCC cannot communicate with each other
Answer: A,C
NEW QUESTION # 150
If the customer prefers to use TACACS+ protocol instead of RADUS to complete user access authentication, it may be because of which of the following? (Multiple choice)
- A. TACACS+ protocol messages are simple and can be combined with authentication and authorization, or easily separated.
- B. TACACS+ protocol encrypts all the message bodies, which is highly secure.
- C. TACACS+ protocol uses TCP reliable transmission
- D. TACACS+ uses UDP protocol, which has high network transmission efficiency
Answer: B,C
NEW QUESTION # 151
In the network connection shown in the figure, SWA and SWB are three-layer switches, running STP+VRRP, and after the initial configuration is completed, SWA is the root of STP and the master of VRRP, and SWC is the downlink access terminal of the two-layer switch. Which of the following description of the network link failure is correct?
- A. When the link between SWA and SWC is disconnected, the STP topology will change, and G1/0/2 of SWC will become Forwarding
- B. When the link between SWA and SWB is disconnected, the STP topology will change, and both uplink ports of SWC will become Forwarding
- C. When the link between SWA and SWB is disconnected, the VRRP Master will switch and SWB will become the new VRRP Master
- D. After the link between SWA and SWC is disconnected, the VRRP Master will remain unchanged, but the SWC downstream terminal will not communicate with the gateway.
Answer: B
NEW QUESTION # 152
Which of the following VLAN division methods has the advantage that when the user moves physically, that is, when switching from one switch to another, the VLAN does not need to be reconfigured which of the following? (Multiple choice)
- A. VLAN based on IP subnet
- B. MAC address-based VLAN
- C. Protocol-based VLAN
- D. Port-based VLAN
Answer: A,B,C
NEW QUESTION # 153
The unicast routing table of the router is as follows:
<H3C>display ip routing-table Routing Tables: Public Destinations: 9Routes: 9 Destination/MaskProtoPreCost NextHop Interface 10.1.1.0/30 Direct 0010.1.1.2 S0/2/0
10.1.1.0/30 Direct 00 10.1.1.2 S0/2/0
10.1.1.1/32 Direct 00 10.1.1.1 S0/2/0
|10.1.1.2/32 Direct 00 127.0.0.1 InLoop 0
11.1.1.0/30 Direct 00 11.1.1.1 Eth0/1/0
11.1.1.1/32 Direct 00 127.0.0.1 InLoop 0
|12.1.1.0/30 Direct 00 12.1.1.1Eth0/1/1
|12.1.1.1/32 Direct 00 127.0.0.1 InLoop 0
13.1.1.0/30 Direct 00 13.1.1.1Eth0/1/2/
13.1.1.1/32 Direct 00 127.0.0.1 InLoop 0
100.1.1.0/240 SPF 10 156310.1.1.1 S0/2/0
127.0.0.0/8 Direct 00 127.0.0.1 InLoop 0
127.0.0.1/32 Direct 00 127.0.0.1 InLoop 0
200.1.1.0/240 SPF 10 212.1.1.2 Eth0/1/1
Then, the multicast data received by the receiver is? (Multiple choice)
- A. (100.1.1.1, 226.3.3.3)
- B. (200.1.1.1, 226.2.2.2)
- C. (100.1.1.1, 226.1.1.1)
Answer: B,C
NEW QUESTION # 154
In the switching network shown in the figure, VLAN 10 is set as the Super VLAN on the switch SWA, and VLAN 2 and VLAN 3 are the Sub VLANs of VLAN 10. If PCA and PCB are required to be able to access each other, which of the following items should be included in the configuration of the switch SWA? (Multiple choice)
- A. [SWA] interfaceVlan-interface 10
[SWA-Vlan-interface10] ip address 10.1.1.4 255.255.255.0
[SWA-Vlan-interface10] local-proxy-arp enable - B. [ SWA] vlan 10
[SWA-vlan 10] supervlan - C. [SWA] vlan10
[SWA-vlan10] local-proxy-arp enable
[SWA] interface Vlan-interface 10
[SWA-Vlan-interface10] ip address 10.1.1.4 255.255.255.0 - D. [SWA] vlan3
[SWA-vlan3] port Ethernet 1/0/2 - E. [SWA] vlan2
[SWA-vlan2] port Ethernet 1/0/1 - F. [SWA] supervlan10 subvlan 2 3
Answer: A,C,D,E
NEW QUESTION # 155
When a switch running MSTP and a switch running RSTP work together, which of the following is correct? (Multiple choice)
- A. MSTP switches and RSTP switches can belong to the same MST region
- B. The MSTP switch will parse the RSTBPDU into an MST BPDU, where IRPC is 0
- C. The RSTP switch will regard the MST region as a logical switch, and the bridge ID is the ID of the switch directly connected to the RSTP switch in the MST region.
- D. The MSTP switch will regard the RSTP switch as an MSTP domain consisting of a single switch.
Answer: B,D
NEW QUESTION # 156
Xiao Wang uses the network management tool to perform the GetRequest operation , and the returned result is displayed as NoSuchName . The possible reasons for returning this result are?
(Multiple choice)
- A. The Agent has other unknown reasons that make it unable to provide the variable value of the request object
- B. The Agent finds that the GetResponse PDU in response to this GetRequest has exceeded the maximum length limit
- C. A request object in the GetRequest PDU does not exist
- D. A request object in the GetRequest PDU has no instance
Answer: A,C,D
NEW QUESTION # 157
By viewing the IGMP group information, you can learn which of the following? (Multiple choice)
- A. Multicast Group IGMP Querier
- B. Multicast group information maintained by the router
- C. Number of multicast group Report messages
- D. The first host address that sends a Report message to the multicast group
Answer: A,B,C
NEW QUESTION # 158
In the switching network shown in the figure, VLAN 10 is set as Super VLAN on switch SWA, VLAN2 and VLAN3 are sub VLANs of VLAN 10, port Ethernet1/0/3 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass; VLAN2~VLAN20 are created on switch SWB. Port Ethernet/0/4 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass. After setting the IP addresses of each device as shown in the figure, which of the following statement is correct?
- A. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 3. - B. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 2. - C. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 10. - D. The PCC message comes out of SWB's Ethernet 1/0/4 port and enters SWA's Ethernet 1/0/3 port.
The VLAN tag it carries is VLAN 1.
Answer: B
NEW QUESTION # 159
In the networking model shown in the figure, if Accounting is received on RADIUSClient, then which of the following is correct? (Multiple choice)
- A. The message is sent by the Host
- B. This message is sent by the RADIUS Server
- C. This message is a stop billing response message
- D. This message is a start accounting response message
Answer: B,C
NEW QUESTION # 160
In the switching network shown in the figure, VLAN 10 is set as the Super VLAN on the switch SWA, and VLAN 2 and VLAN 3 are sub VLANs of VLAN 10. VLAN, port Ethernet1/0/3 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass; VLAN2 and VLAN20 are created on switch SWB, port Ethernet1/0/4 is a Trunk port, PVID is VLAN1, and all VLANs are allowed to pass. After setting the IP addresses of each device as shown in the figure, it can be determined that which of the following statement is correct?
- A. The PCA message enters from the Ethernet1/0/1 port of SWA and comes out from the Ethernet1/0/3 port with the VLAN Tag of VLAN2
- B. PCA's message enters from SWA's Ethernet1/0/1 port and exits from Ethernet1/0/3 port with VLAN Tag VLAN 1
- C. PCA's message enters from SWA's Ethernet1/0/1 port and exits from Ethernet1/0/3 port without a tag
- D. The PCA message enters from the Ethernet 1/0/1 port of SWA and comes out from the Ethernet 1/0/3 port with the VLAN Tag of VLAN 10.
Answer: A
NEW QUESTION # 161
Multicast applications are based on UDP, so multicast applications have which of the following disadvantages? (Multiple choice)
- A. No congestion control
- B. Data packets are received repeatedly
- C. Best effort delivery, low latency application requirements cannot be guaranteed
- D. It can correct the problem of multicast data packets arriving out of order
Answer: A,B,C
NEW QUESTION # 162
In an SDN network, which protocol packets may be sent to the vCFC and processed by the VCFC?
(Multiple choice)
- A. RARP
- B. LLDP
- C. STP
- D. EVPN Update
Answer: A,B
NEW QUESTION # 163
The router runs the IGMPV2 protocol. The Group Address in the Query message received by the host in its directly connected LAN may be? (Multiple choice)
- A. 0.0.0.0
- B. 255.255.255.255
- C. 224.0.0.1
- D. 224.0.0.2
- E. 225.1.1.1
Answer: A,E
NEW QUESTION # 164
If you need to implement multicast data forwarding in a three-layer network, at least configure which of the following protocols or functions? (Multiple choice)
- A. PIM protocol
- B. IGMP protocol
- C. BSR Configuration
- D. IGMP Snooping function
Answer: A,B
NEW QUESTION # 165
Which of the following descriptions of the switch MAC address table learning process is correct?
(Multiple choice)
- A. When a PC in the network sends a data frame, the switch records the source MAC address
- B. The switch regularly sends MAC address detection messages to the PC
- C. When the switch receives an ARP reply message from a PC, it records the source MAC address.
- D. The PC will actively send MAC address messages to the switch regularly
Answer: A,C
NEW QUESTION # 166
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