Which statements regarding BGP well-known mandatory attributes are true? (Select 3 answers)
A. Well-known mandatory attributes must be recognized by all BGP routers.
B. Well-known mandatory attributes impacts the path decision process.
C. Well-known mandatory attributes are optional in an Update packet, and can be included in an Update packet as needed.
D. Well-known mandatory attributes must be included in all Update packets.
Enabling MD5 authentication between BGP peers can prevent DoS attacks that target BGP peers.
A. TRUE
B. FALSE
Which of the following statements are correct regarding OSPF intra-area route calculation? (Select 2 answers)
A. Each OSPF router uses only one Router LSA to describe the local active link state for an area.
B. Each OSPF router uses more than one Router LSA to describe local active link state for an area.
C. One Router LSA describes only one link,
D. One Router LSA describes more than one link.
Which of the following is the address range assigned by IANA for SSM service in IPv4?
A. 232.0.0.0/24
B. 225.0.0.0/8
C. 232.0.0.0/8
D. 239.0.0.0/8
Which of the following are multicast routing protocols? (Select 3 answers)
A. DVMRP
B. PIM-DM
C. OSPF
D. PIM-SM
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