Free Huawei H12-222 Exam Dumps Questions & Answers

Which of the following statements regarding the differences between GTS, LR, and CAR is false?

• A.During traffic control, GTS enables the device to buffer packets of which the rate is exceeded into queues.
• B.During traffic control, LR enables the device to discard the packets of which the rate is exceeded.
• C.During traffic control, CAR enables the device to discard the packets of which the rate is exceeded.
• D.During traffic control, LR enables the device to buffer the packets of which the rate is exceeded and to send packets to QoS queues.

Which of the following statements regarding VRRP is false?

• A.The priority ranges from 1 to 255. When the backup received VRRP Advertisement packets which the priority is 0, the backup discards the packets.
• B.The master sends gratuitous ARP packets, and notifies the connected device or host of its virtual MAC address.
• C.If the master fails, the new master is selected among backup devices based on priorities.
• D.The master in the VRRP group is selected based on priorities.

Which of the following statements regarding buffer overflow attacks is false?

• A.The buffer overflow attack is an application-layer attack.
• B.The buffer overflow attack indicates that an attacker uses defects of memory operations of the software system and runs attack codes with high operation rights.
• C.The buffer overflow attack is irrelevant to the OS vulnerabilities and architecture.
• D.The buffer overflow attack is the most common attack of the software system.

Flow mirroring is divided into local flow mirroring and remote flow mirroring.

• A.TRUE
• B.FALSE

NAT technology can only translate network layer information (IP address) in data packets.

• A.TRUE
• B.FALSE