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2021 Sep H12-221 study guide
Q31. hich of the following commands is used to display the IGMP routing table?
A. display igmp group
B. display igmp interface
C. display igmp routing-table
D. display igmp
Answer: C
Explanation:
Q32. Routes 172.1.12.0/24, 172.1.13.0/24, 172.1.14.0/24, and 172.1.15.0/24 can be summarized into route 172.1.8.0/21.
A. TRUE
B. FALSE
Answer: A
Explanation:
Q33. Which of the following route entries matches ACL 2001 that is defined below?
1.0.0.0/8 ,1.2.0.0/16,1.2.3.0/24,1.2.4.0/24,1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24
ACL 2001:
Basic ACL 2001, 1 rule
Ad's step is 5
rule 0 permit source 1.2.1.0 0.0.254.255
A. 1.2.3.0/24,1.2.4.0/24, 1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24
B. 1.0.0.0/8,1.2.0.0/16,1.2.3.0/24,1.2.4.0/24,1.2.5.0/24, 1.2.6.0/24,1.2.7.0/24,1.2.8.0/24
C. 1.2.3.0/24,1.2.5.0/24,1.2.7.0/24
D. 1.2.0.0/16,1.2.4.0/24,1.2.6.0/24,1.2.8.0/24
Answer: C
Explanation:
Q34. Which of the following BGP attributes are well known mandatory attributes? (Select 3 answers)
A. ORIGIN
B. AS_PATH
C. NEXT_HOP
D. MED
E. LOCAL_PREF
F. COMMUNITY
Answer: A,B,C
Explanation:
Q35. In VRP, by default, a BGP router does not automatically send a refresh packet to its BGP peers for retransmitting an Update packet after the inbound routing policy of the BGP peers changes.
A. TRUE
B. FALSE
Answer: B
Explanation:
Up to the immediate present H12-221 actual exam:
Q36. Which of these statements is false when using the import-route command to import routes into BGP?
A. The import-route command can import IGP routes, direct routes, and static routes into BGP.
B. A process ID must be specified if OSPF routes or RIP routes are imported into BGP.
C. By default, the origin attribute of imported routes is IGP.
D. Routing policies filters the routes imported from other routing protocols.
Answer: C
Explanation:
Q37. Which of the following protocols support default route advertisement? (Select 3 answers)
A. RIP
B. OSPF
C. BGP
D. Static
Answer: A,B,C
Explanation:
Q38. When a routing protocol import routes discovered by other routing protocols, it must import only the routes that meet the conditions and set attributes for the imported routes. In such a case, a route-policy can be created.
A. TRUE
B. FALSE
Answer: A
Explanation:
199. Which of the following protocols support the multicast ASM service model? (Select 2 answers)
A. PIM-SM and IGMFV2
B. PIM-SSM and IGMPv3
C. BGPandOSPF
D. PIM-DM and IGMPv2
Answer: A,D
Explanation:
Q39. The ABR of an NSSA does not advertise Type-4 and Type-5 LSAs to an NSSA instead it imports external routes into the NSSA,
A. TRUE
B. FALSE
Answer: A
Explanation:
Q40. How many multicast IP addresses can be represented by an IP multicast MAC address?
A. 1
B. 23
C. 32
D. 24
Answer: C
Explanation:
136. Which of the statements describes how BGP updates routes?
A. Broadcasts all routes periodically
B. Update all routes periodically using multicast addresses
C. Updates only changed and new routes
D. Updates routes on BGP peer requests
Answer: C
Explanation: