Huawei h12-221 practice test

Which of the following connection types can a Router LSA describe? (Select 3 answers)

• A. Point-to-point
• B. Star
• C. Transit
• D. Virtual link

BGP peers are automatically discovered by exchanging multicast packets.

• A. TRUE
• B. FALSE

Which of the following describes the relationship between BGP and AS?

• A. BGP only runs between ASs, and cannot run within an AS.
• B. BGP is an EGP used by ASs to exchange routing information with other ASs.
• C. BGP builds network topologies by exchanging link-state information between ASs.
• D. BGP cannot run between ASs.

If the subnet mask for Class A address is 255.255.240.0, how many bits are used for subnetting?

• A. 4
• B. 5
• C. 9
• D. 12

When running in non-broadcast networks, OSPF uses one of the two modes: NBMA or P2MP.

• A. TRUE
• B. FALSE

Which of the following is a private AS number?

• A. 65410-65535
• B. 1-64511
• C. 64512-65535
• D. 64511-65535

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.

The router ID which is configured in the system view takes precedence over the router ID configured
in the BGP view.

• A. TRUE
• B. FALSE

Which of the following IP addresses are network addresses? (Select 2 answers)

• A. 64.104.3.7/28
• B. 192.168.12.64/26
• C. 192.135.12.191/26
• D. 198.18.12.16/28

OSPF uses SPF algorithm to compute the SPF tree based on the topology. What is the node of the 5PF
tree?

• A. Router
• B. Router and network segment
• C. Port and network segment
• D. Router and port