Huawei H12-224 問題集

質問 1：
Which of the following are the differences between IGMP versions?
A. None of IGMPv1 IGMPv2,and IGMPv3 supports the SSM model
B. IGMPv1 does not support group-specific query whereas IGMPv2 does
C. lGMPv2 and IGMPv3 allow users to leave a group proactively whereas IGMPv1 does not
D. IGMPv1 and IGMPv2 do not support queries election but IGMPv3 does
正解：B,C

質問 2：
The Idp session establishment process will go through the open sent status, which state will the open sent state change to after the device receives an initiation message and sends a keepalive message?
A. operational
B. non-existent
C. opener
D. initialized
正解：A

質問 3：
When configuring source NAT with no-pat configuration parameters which of the following statements is true
A. The destination IP address and destination port number are both translated
B. Only the destination IP address is translated
C. only the source IP address is translated
D. The source IP address and source port number are both translated
正解：C

質問 4：
Which of the following operations are performed during migration acceptance?
A. Business expense accounting
B. Transfer-to-maintenance training
C. Accept an meeting
D. Documentation transfer
正解：B,C,D

質問 5：
Port isolation provides secure and flexible networking solutions for users which of the following statements regarding port is false?
A. The port-isolate enable command can run in the system view.
B. By default interfaces are isolated at Layer 2 but can communicate at Layer 3
C. Before the port isolation function takes effect on an interface, the port isolation function must be enabled.
D. Port isolation can be used for configuring Layer 2 isolation.
正解：A

質問 6：
Single-packet attacks indicate that an attacker controls botnet hosts to send a send a large number of attack packets, causing link congestion on the attacked.
A. FALSE
B. True
正解：A

質問 7：
When OSPF runs in a broadcast network DR and BDR need to be elected in which state will DR and BDR be elected?
A. 2-waystste
B. Init state
C. Exchange state
D. Attempt state
正解：A

質問 8：
which of the following subsystems are involved in building cabling?
A. Vertical subsystem
B. Backbone subsystem
C. Horizontal subsystem
D. Switching subsystem
E. Access subsystem
正解：A,C

質問 9：
Switches run the MSTP protocol by default, which of the following statements regarding the defaults is true?
A. All switches run in the same region by default
B. Due to lack of configuration all switches switch the running mode to RSTP.
C. Each switch runs in an independent region
D. The STP calculation speed is faster than that when multiple instances are configured
正解：C