In the OSPF protocol for wide area networks, which of the following is the core information contained in Type 2 LSA (Network LSA)?

• A.Prefix and metric of inter-area summary route
• B.The DR router ID that generated this LSA and the IDs of all routers in the network.
• C.Prefix and next hop of external routes to the AS
• D.Prefixes and metrics for external routes within the NSSA area

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In Huawei's WAN bandwidth management solution, which of the following functions can "allocate fixed bandwidth quotas based on departments or users to avoid bandwidth abuse"?

• A.Bandwidth quota management
• B.Deduplication
• C.Data compression
• D.Application Traffic Shaping

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In Huawei's WAN solution, which of the following technologies can "enable on-demand bandwidth expansion of WAN links and avoid resource waste"?

• A.On-demand elastic bandwidth expansion technology (automatically increases/decreases bandwidth based on service traffic)
• B.Manually request capacity expansion only during peak business hours, and manually downgrade capacity after peak hours.
• C.Fixed bandwidth configuration, which will not be adjusted regardless of business needs.
• D.Configure maximum bandwidth; traffic exceeding this limit will be dropped.

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In an MPLS VPN network, which of the following operations can "ensure that the PE device correctly imports the routes learned from the CE device into the BGP VPNv4 address family"?

• A.Configure the BGP protocol on the CE device to directly advertise the VPNv4 address family to the PE.
• B.No configuration is required; the PE device automatically imports the CE route to BGP VPNv4.
• C.Configure routing policies on the PE device to import CE routes into the BGP VPNv4 address family.
• D.Configure a route import policy on the P device to pass CE routes to BGP.

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In an MPLS VPN network, which of the following operations can "ensure that the PE device correctly encapsulates double-layer labels (public network label + VPN label) when forwarding VPN packets"?

• A.Configure the VPN instance on the P device and assign a VPN label.
• B.Enable the MPLS protocol on the CE device and generate a VPN label.
• C.Configure the MPLS LDP protocol on the PE device and obtain the public network label.
• D.No configuration is required; the PE device automatically encapsulates a double-layer label.

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