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2021 Oct H12-221 torrent
Q101. The vlink-peer command is used to specify a peer IP address for setting up a virtual link.
A. TRUE
B. FALSE
Answer: B
Explanation:
Q102. Which of the following messages needs to be sent out by a downstream interface when recovering from the pruned state to the forwarding state in PIM DM?
A. Join
B. Assert
C. Prune
D. Graft
Answer: D
Explanation:
Q103. Which of the following tools cannot be used for route filtering?
A. Filter-policy
B. IP-prefix
C. Route-policy
D. Policy-based-route
Answer: D
Explanation:
121. A BGP finite state machine has the following states:
Active
OpenConfirm
Idle
Established
OpenSent
What is the state transition sequence to establish a successful BGP peer relationship?
A. Idle-OpenSent-OpenConfirm-Active-Established
B. Idle-Active-OpenSent-OpenConfirm-Established
C. Active-Id le-OpenSent-OpenConfirm-Established
D. Idle-Active-OpenConfirm-OpenSent-Established
Answer: B
Explanation:
Q104. Which of the following statements regarding an AS-external-LSA are true? (Select 3 answers)
A. The Link State ID field specifies the network segment address of an advertised destination.
B. The Advertising Router field specifies the Router ID of an ASBR.
C. The Net mask field specifies the network mask of an advertised destination.
D. The Link State ID together with Advertising Router fields are used to uniquely identify an AS- external-LSA.
Answer: A,B,C
Explanation:
205. How many Class C networks does the summarized route 192.168.134.0/22 cover?
A. 2
B. 4
C. 8
D. 16
Answer: B
Explanation:
Q105. A OSPF network may be structured, or subdivided into routing areas. Such routing areas are a set of network segments.
A. TRUE
B. FALSE
Answer: A
Explanation:
50. Which session is established between BGP peers?
A. Telnet
B. Send Hello packet
C. UDP
D. TCP
Answer: D
Explanation:
Up to date H12-221 dumps:
Q106. How many hosts can the network 154.27.0.0 support, if not subnetted?
A. 254
B. 1024
C. 65,534
D. 16,777,206
Answer: C
Explanation:
Q107. Which statement about OSPF is false?
A. Hello messages are used as a form of greeting to discover other routers on its networks and establish relationships between neighboring devices. On broadcast or NBMA networks, Hello messages can also be used to elect a DR or a BDR.
B. DD packets describe the summary LSDB information by carrying LSA headers.
C. The intervals at which two routers send Hello messages must be consistent; otherwise, cannot be established relationships between neighboring devices.
D. DD packets contain headers of all LSAs for periodic LSDB synchronization between OSPF neighbors.
Answer: D
Explanation:
Q108. How many hosts are available per subnet if you apply a /21 mask to the class B network?
A. 510
B. 512
C. 1022
D. 2046
Answer: D
Explanation:
Q109. Given a Class B network 155.16.0.0 with the mask 255.255.255.192, what is the maximum
number of subnets that can be created, and what is the maximum number of hosts available within each created subnet?
A. 512 126
B. 1024 64
C. 1024 62
D. 256 254
E. 192 254
Answer: C
Explanation:
Q110. What are the functions of route filtering? (Select 3 answers)
A. Avoids sub-optimal routes generated during route import,
B. Avoids routing loops.
C. Affects route selection by changing route attributes.
D. Implements accurate route importing and controls route advertisement.
Answer: A,B,D
Explanation: