We can use basic community-filters or advanced community-filters to filter BGP routes.
Which of the following tools make the advanced community-filter more flexible than the basic community [1] filters?

• A.ACL
• B.Regular expression
• C.IP-prefix
• D.AS-path-filter

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As shown in the following figure, what routes can R2 learn?

• A.R2 can learn the LSPs of R1 but cannot add them to the routing table.
• B.R2 can learn routes 10.1.2.0/24 and 10.1.3.0/24.
• C.R2 can learn all the routes of R1.
• D.R2 can learn the route 10.1.1.0/24.

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Which of the following descriptions of MED is correct? (Multiple questions)

• A.The default value of MED is 100
• B.MED is an optional non-transitional attribute
• C.MED can only be delivered within this AS
• D.The default value of MED is 0

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In a basic network layer data packet, which of the following information can be included? (Multiple choice)

• A.Network layer tail
• B.Network layer header
• C.Upper-level data
• D.Data link layer header

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Which of the following options may affect the establishment of IBGP neighbors? (Multiple Choice)

• A.Authentication is unsuccessful
• B.IBGP-Multi-hop is not configured
• C.The BGP protocol version is inconsistent
• D.IGP routing is unreachable

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