Regarding BGP/MPLS IP VPN routing interaction, which is wrong in the following description?.

• A.After the egress PE receives the VPNv4 route advertised by the ingress PE, it filters the VPNv4 route according to the RT attribute carried by the route
• B.The egress PE can send IPv4 routes to the remote CE through BGP, IGP or static routing
• C.The ingress PE will convert the IPv4 route received from the CE into a VPNv4 route, and save it according to different VPN instances
• D.The exchange between PE and CE is IPv4 routing information

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There is a new HW office that needs to use their router as a DHCP server.
When configuring the DHCP server to provide DHCP services for the current office, which of the following items need to be configured? (Multiple Choice)

• A.Configure manual binding
• B.Configure DHCP address pool
• C.Configure the startup file of the DHCP server
• D.Exclude unused IP addresses from the DHCP server
• E.Configure the timeout period of ping packets

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The correct description of the prefix list is: (Multiple Choice)

• A.The prefix list is used to filter IP prefixes, which can match the prefix number and prefix length at the same time
• B.The prefix list cannot be used for packet filtering
• C.The prefix list is used to filter IP prefixes and cannot match the prefix number and prefix length at the same time
• D.The prefix list can be used for packet filtering

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SSH uses asymmetric encryption algorithms AES and DES to realize the security of data transmission, and uses HMAC to ensure the integrity of the data.

• A.FALSE
• B.TRUE

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What message will be sent to the Agent when running NMS (Network Management Station) of SNMPV1?

• A.Trap, Get and Set
• B.Trap only
• C.Get, Set, Getnext and GetBulk
• D.Get, Set and GetBulk
• E.Get, Set and Getnext

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