H12-222 무료 덤프문제 온라인 액세스

Man-in-the-middle attacks or IP/MAC Spoofing attacks are common on intra nets and will cause information leakage.
Which configuration method can prevent these attacks?

• A.Configure DHCP snooping to check the CHADDR field carried in a DHCP Request packet.
• B.Configure association between DHCP snooping and IPSG or DAI on the switch.
• C.Configure the trusted or untrusted interface.
• D.Limit the maximum number of MAC addresses that can be learned on a switch interface.

Which of the following is not the default role of Huawei eSight?

• A.End-User
• B.Administrator
• C.Operator
• D.Monitor

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

• A.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.
• B.After a static LSP is established, each node on the LSP can detect the entire LSP.
• C.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 ISP is Up regardless of whether there is an ingress node or a transit node.
• D.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 ISP is Up.

Which of the following statements regarding the DSCP priority is false?

• A.The DSCP priority can be used to classify traffic into 32 types.
• B.The first 6 bits of the ToS field (leftmost 6 bits) mark different types of services, namely, DSCP priority.
• C.Each DSCP priority corresponds to a Behavior Aggregate (BA), and a PHB can be specified for each BA.
• D.You can use some QoS mechanisms to implement PHB.

VXLAN is irrelevant to SDN technology.

• A.FALSE
• B.TRUE