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What is the default network mask length of 219.25.23.56?


A) 8
B) 16
C) 24
D) 32

E) C) and D)
F) A) and C)

Correct Answer

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The administrator wishes to update the configuration file of an AR2200 router using a USB cable. How can this be achieved? (Choose two)


A) The administrator should connect the USB cable between the terminal and the mini USB port of the AR2200 router.
B) The administrator should connect the USB cable between the terminal and the USB port of the AR2200 router.
C) The AR2200 router cannot support configuration updates through a USB cable.
D) The administrator should install the mini USB drivers on the terminal after connecting the USB.

E) A) and B)
F) A) and C)

Correct Answer

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On Huawei VRP platform, which of the following can be used to invoke the history command saved by the command line interface? (Choose two) On Huawei VRP platform, which of the following can be used to invoke the history command saved by the command line interface? (Choose two) A) Up cursor key < > B) Left cursor key < > C) Ctrl+P D) Ctrl+U


A) Up cursor key < >
B) Left cursor key < >
C) Ctrl+P
D) Ctrl+U

E) All of the above
F) A) and B)

Correct Answer

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Which of the following BGP attributes can prevent routing loops? (Select 3 answers)


A) Originator_ID
B) Aggregator
C) Cluster_List
D) AS-Path

E) C) and D)
F) All of the above

Correct Answer

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You are using the address space 172.28.100.0/24. If the subnet mask 172.28.100.0/30 is used to subnet this address space to serve WAN links, how many total subnets can the address space be divided into?


A) 30
B) 64
C) 126
D) 254

E) All of the above
F) A) and D)

Correct Answer

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Which of the following statements belong to BGP community attribute? (Select 3 answers)


A) NO_EXPORT
B) NO_ADVIERTISE
C) LOCAL_EXPORT_SUBCONFED
D) NO_BROADCAST

E) A) and B)
F) C) and D)

Correct Answer

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What is the mask value for the network 175.25.128.0/19?


A) 255.255.0.0
B) 255.255.224.0
C) 255.255.24.0
D) Different based on the address type

E) C) and D)
F) B) and D)

Correct Answer

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Which of the following tools cannot be used for route filtering?


A) Filter-policy
B) IP-prefix
C) Route-policy
D) Policy-based-route

E) None of the above
F) All of the above

Correct Answer

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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.

E) A) and C)
F) B) and C)

Correct Answer

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Which statements about OSPF packets are true? (Select 3 answers)


A) Hello packets can be sent after OSPF is enabled on an interface.
B) LS Request packets are sent only after an adjacency is established.
C) LS Update packets contain detailed LSA information for LSDB synchronization.
D) LS Update packets are sent only after an adjacency is established.

E) B) and C)
F) B) and D)

Correct Answer

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Which of the following statements regarding the routing table are correct? (Choose two)


A) The next hop in the routing table is redundant because the outgoing interface can be used for packet forwarding.
B) The routes from generated by different protocols have different preferences.
C) The metrics of different routing protocols are comparable.
D) The metrics of different routing protocols are not comparable

E) A) and B)
F) A) and C)

Correct Answer

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An ACL is a series of orderly rules composed of permit deny clauses. Which of the following attributes cannot be used for defining an ACL rule?


A) Source address
B) Destination address
C) Port number
D) AS-Path

E) A) and B)
F) All of the above

Correct Answer

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Which of the following messages exist only in PIM-SM? (Select 2 answers)


A) Join/Prune
B) Assert
C) Bootstrap
D) Register

E) B) and D)
F) A) and B)

Correct Answer

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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

Correct Answer

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Which of the following problems can be solved by IGMP Snooping?


A) Receiver hosts support only IGNPv2, but only the SSM model is used on the network.
B) A router receives large quantities of IGMP Report messages due to the existence of large number of hosts on the network.
C) Broadcasting of multicast data on Layer 2 devices.
D) Validity of IGMP Report messages.

E) A) and C)
F) B) and C)

Correct Answer

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Which of the following statements is false?


A) A Router-LSA describes the local link state information of a router.
B) A Network-LSA describes the link state information of a broadcast network or an NBMA network segment.
C) A virtual link is a virtual adjacency in the backbone area (Area 0) .
D) An AS-external-LSA describes the means to reach an ASBR.

E) A) and B)
F) None of the above

Correct Answer

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A Router ID is optional in the OSPF configuration.

A) True
B) False

Correct Answer

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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

G) All of the above
H) A) and B)

Correct Answer

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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

E) A) and B)
F) B) and D)

Correct Answer

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Based on BGP route selection rules, the route with the lowest multi-exit discriminator (MED) is preferred.

A) True
B) False

Correct Answer

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