H3C GB0-372-ENU 問題集

質問 1：
When an IGMPV2 host leaves a multicast group, it sends a Leave Group message. Which of the following statements is correct? (Multiple choice)
A. The query router sends a specific group query message immediately after receiving the Leave message
B. The destination address of the Leave message is the same as the Group Address in the message
C. The destination address of the Leave message is 224.0.0.2
D. Query the router to delete the multicast group table entry of the relevant Group immediately after receiving the Leave message
正解：A

質問 2：
Which of the following statements about the architecture of SNMP v3 is correct? (Multiple choice)
A. The SNMP engine consists of a scheduler, a message processing subsystem, a security subsystem, and an access control subsystem.
B. An SNMP Manager has either a generator or a receiver.
C. An SNMP entity may be both an SNMP Manager and an SNMP Agent.
D. SNMP applications include command generators, command responders, indication generators, indication receivers, proxy forwarders, etc.
正解：A,B,C,D

質問 3：
In the network shown in the figure, the corresponding configuration is completed on the switch SWA, and the switch SWA and each PC have learned the corresponding ARPPCA. When accessing PCB, ICMP request message is sent, and the destination MAC address of the message is?

A. MAC-20
B. FFFF.FFFF.FFFF
C. MAC-B
D. MAC-10
正解：D

質問 4：
In the network shown in the figure, the corresponding configuration is completed on the switch SWA, and the switch SWA and each PC have learned the corresponding ARP.
PCA accesses PCB and sends an ICMP request message. Switch SWA forwards which of the following MAC address to PCB?

A. 0000.0000.0000
B. MAC10
C. MAC_A
D. MAC20
正解：D

質問 5：
In the basic AAA implementation structure shown in the figure, which of the following services provided by the access server can be provided with security guarantees by AAA? (Multiple choice)

A. SSH
B. FTP
C. PPP
D. Port access
正解：A,B,D

質問 6：
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 7：
Two routers are connected together through a LAN to form a VRRP backup group. The configuration on each interface is as follows:
[RTA-GigabitEthernet1/0] display this
IP address 192.168.0.252 255.255.255.0
Vrrp vrid 1 virtual-ip 192.168.0.254
Vrrp vrid 1 priority 120 vrrp vrid 1 preempt-mode
Vrrp vrid 1 track interface serial0/1 reduced 30
[RTB-GigabitEthernet1/0] display this
IP address 192.168.0.253 255.255.255.0
Vrrp vrid 1 virtual-ip 192.168.0.254 vrrp vrid 1 preempt-mode
If a DOWN/UP event occurs on the RTA serial port Serial0/1 during network operation, what can we learn from the above information?
A. During the RTA serial port Serial0/1 DOWN/UP period, the router that responds to the LAN PC ARP request changes once
B. During the DOWN/UP period of RTA serial port Serial0/1, the router that responds to the ARP request of the LAN PC changes 3 times
C. During the DOWN/UP period of RTA serial port Serial0/1, the router that responds to the ARP request of the LAN PC changes twice
D. During the DOWN/UP period of the RTA serial port Serial0/1, the router that responds to the ARP request of the LAN PC will not change.
正解：C

質問 8：
Two routers are connected together through a LAN to form a VRRP backup group. The configuration on each interface is as follows:
[RTA-GigabitEthernet1/0] display this
IP address 192.168.0.252 255.255.255.0
Vrrp vrid 1 virtual-ip 192.168.0.254
Vrrp vrid 1 priority 120 shut down.
[RTB-GigabitEthernet1/0] display this
IP address 192.168.0.253 255.255.255.0
Vrrp vrid 1 virtual-ip 192.168.0.254
What can we learn from the above information?
A. Router RTA is in VRRP Master state, and router RTB is in VRRP Master state.
B. Router RTA is in VRRP Backup state, and router RTB is in VRRP Master state
C. Router RTA is in VRRP Master state, and router RTB is in VRRP Backup state.
D. Router RTA is in VRRP Initialize state, and router RTB is in VRRP Master state
正解：D