Huawei H12-222 Online Practice Questions and Exam Preparation

Huawei H12-222 Online Questions & Answers

• Question 11:

  In most cases, an IP address that is dynamically assigned by a DHCP server has a lease. Which of the following statements regarding the IP address lease is false?

  A. The lease renewal timer is 50% of the total lease. When the lease renewal timer expires, the DHCP server must renew the IP address lease.
  B. The rebinding timer is 87.5% of the total lease.
  C. If the rebinding timer expires but the DHCP client does not receive any responses from the DHCP server, the DHCP client keeps sending DHCP Request packets to the DHCP server which assigned an IP address to it before, until the total lease expires.
  D. If the DHCP client receives a DHCP NAK packet within the lease, the client stops using the current IP address immediately and returns to the initialization state. The DHCP client then applies for a new IP address.
  C. If the rebinding timer expires but the DHCP client does not receive any responses from the DHCP server, the DHCP client keeps sending DHCP Request packets to the DHCP server which assigned an IP address to it before, until the total lease expires.

• Question 12:

  Which of the following statements regarding MAC address spoofing attacks is false?

  A. Attackers initiate MAC address spoofing attacks using the MAC address learning mechanism.
  B. Attackers send data frames with forged MAC address to the switch to initiate MAC address spoofing attacks.
  C. When MAC address spoofing attacks occur, the switch may learn incorrect mapping between MAC addresses and IP addresses.
  D. When MAC address spoofing attacks occur, the switch may send packets to the attacker.
  C. When MAC address spoofing attacks occur, the switch may learn incorrect mapping between MAC addresses and IP addresses.

• Question 13:

  In vAR application scenarios, which functions of the AR Router can be virtuaiized on a server? (Multiple Choice)

  A. Firewall
  B. VoIP
  C. NAT
  D. VPN
  A. Firewall
  B. VoIP
  C. NAT
  D. VPN

• Question 14:

  Which of the following queue scheduling technologies is better in a fair manner?

  A. WFQ
  B. PQ
  C. FIFO
  D. RR
  A. WFQ

• Question 15:

  MPLS can forward packets only after an LSP is established. Which of the following statements regarding static LSP establishment are true? (Multiple Choice)

  A. After a static LSP is established, each node on the LSP can detect the entire LSP.
  B. When MPLS is enabled on the outbound interface of the ingress node and the physical status and the protocol status of the outbound interface are Up, the static LSP is Up regardless of whether there is an egress node or a transit node.
  C. The transit node of a static LSP is configured and MPLS is enabled on both the inbound and outbound interfaces. If the physical status and the protocol status of the inbound and outbound interfaces are Up, the static LSP is Up.
  D. The egress node of the static LSP is configured and MPLS is enabled on the inbound interface. If the physical status and the protocol status of the inbound interface are Up, the static LSP is Up regardless of whether there is an ingress node or a transit node.
  C. The transit node of a static LSP is configured and MPLS is enabled on both the inbound and outbound interfaces. If the physical status and the protocol status of the inbound and outbound interfaces are Up, the static LSP is Up.
  D. The egress node of the static LSP is configured and MPLS is enabled on the inbound interface. If the physical status and the protocol status of the inbound interface are Up, the static LSP is Up regardless of whether there is an ingress node or a transit node.

• Question 16:

  During the DHCP interaction process, the DHCP server and client exchange various types of packets. Which of the following packets is not sent from the client to the server?

  A. DHCP NAK
  B. DHCP Request
  C. DHCP Discover
  D. DHCP Release
  A. DHCP NAK

• Question 17:

  If two interfaces are assigned to the same zone, data flows between the two interfaces also must be handled by the interzone packet filtering process.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 18:

  When configuring MPLS VPN, the administrator configures the following commands. Which of the following statements is false?

  A. This command is generally configured on a PE.
  B. This command binds GO/0/1 and GO/0/2 on the PE to the VPN instances assigned for the customer network.
  C. After an interface is bound to a VPN instance, the interface becomes a private network interface, which can be assigned with a private network address and run a private network routing protocol.
  D. If an interface is unbound from a VPN instance, the device does not automatically clear IPv4 or IPv6 configurations on the interface.
  D. If an interface is unbound from a VPN instance, the device does not automatically clear IPv4 or IPv6 configurations on the interface.

• Question 19:

  Which of the following statements regarding BFD session establishment is false?

  A. A BFD session can be dynamically established only.
  B. A static BFD session is set up by using commands to manually configure BFD session parameters, including the local discriminator and remote discriminator.
  C. During dynamic establishment of a BFD session, the local discriminator is allocated dynamically.
  D. The system uses discriminators to distinguish static and dynamic BFD sessions.
  A. A BFD session can be dynamically established only.

• Question 20:

  Which QoS indicator are affected by network congestion? (Multiple Choice)

  A. Transmission delay
  B. Transmission jitter
  C. Transmission bandwidth
  D. Transmission distance
  A. Transmission delay
  B. Transmission jitter
  C. Transmission bandwidth