Networking as shown in the figure: PC1--USG--Router--PC2. If PC1 sends a packet to PC2, what are the three modes for the USG to process fragmented packets?

• A.fragment cache
• B.slice defense
• C.slice direct forwarding
• D.fragmentation

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Which of the following is correct about the configuration of the firewall interface bound to the VPN instance?

• A.ip binding vpn-id
• B.ip binding vpn-id vpn-instance-name
• C.ip binding vpn-instance vpn-instance-name
• D.ip binding vpn-instance vpn-id

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Which of the following description is correct about web link?

• A.Web Link needs encryption and adaptation, so security is higher.
• B.The web link function is suitable for any operating system and browser.
• C.Web Link needs encryption and adaptation, so business processing is slow.
• D.Web Link does not encrypt and adapt. It only "forwards" web source requests from remote users.

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Which of the following resource allocation methods are supported by Huawei USG6000 product resource allocation?

• A.Non-quota allocation
• B.Automatic allocation
• C.Quota allocation
• D.Manual allocation

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Which of the following is incorrect about IKE V1 and IKE V2?

• A.IKE V2 establishes a pair of IPSec SAs. Normally, an IKE SA and a pair of IPSec SAs can be completed by exchanging 4 messages twice.
• B.IKE V2 does not have the concept of master mode and barb mode
• C.To establish a pair of IPSec SAs, only 6 messages need to be exchanged in the IKE V1 master mode.
• D.When the IPSec SA established by D IKE V2 is greater than one pair, each pair of SAs needs only one additional exchange, that is, two messages can be completed.

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