Huawei Huawei Certification H12-222 Questions & Answers

• Question 281:

  VXLAN is irrelevant to SDN technology.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 282:

  On the USG series firewall, what is the security level of the DMZ?

  A. 5

  B. 50

  C. 85

  D. 100

  Correct Answer: B

• Question 283:

  Which of the following statements regarding MPLS label encapsulation format are true? (Multiple Choice)

  A. The total length of an MPLS label is 4 bytes (32 bits).

  B. The TTL field in an MPLS label has the same meaning as that in an IP packet, and can prevent loops.

  C. The S field in an MPLS label has 1 bit and is used to identify whether the label is the bottom-ofstack label. If the value is 1, the label is a penultimate-layer label.

  D. For Ethernet and PPP packets, a label stack is located between the Layer 2 packet header and data; If a VLAN tag is available, the label stack is placed before the VLAN tag.

  Correct Answer: AB

• Question 284:

  The DHCP protocol can allocate TCP/IP-re la ted parameters to clients. DHCP defines multiple types of packets for this process. Which is the encapsulation mode for these packets?

  A. TCP encapsulation

  B. IP encapsulation

  C. UDP encapsulation

  D. PPP encapsulation

  Correct Answer: C

• Question 285:

  If the DSCP priority (leftmost 6 bits of the ToS field) is used, how many types of packets can be classified?

  A. 8

  B. 16

  C. 32

  D. 64

  Correct Answer: D

• Question 286:

  The stateful inspection firewall uses the session table to trace activated TCP and UDP sessions, firewall security policies determine which sessions are established, and only the packets associated with sessions are forwarded.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 287:

  What about incoming labels and outgoing labels in the label forwarding table of a MPLS-capable device for the same route?

  A. They must be different.

  B. They must be the same.

  C. They may be the same.

  Correct Answer: C