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H31-211 Exam Dumps - HCNA - Carrier IP

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Question # 41

Directly connected to the specified port of the peer device, does not forward any packets, but which port is the port that receives BPDUs to monitor network changes?

A.

Root Port

B.

Designated Port

C.

Alternate Port

D.

Disable Port

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Question # 42

After the switch receives the complete data frame, it performs a CRC check. After the check is passed, the frame is forwarded. What is the forwarding mode called?

A.

Cut-Through

B.

Store-and-Forward

C.

Fragment-free

D.

Store-free

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Question # 43

When the router forwards data (without address translation), which of the following items have not been changed in forwarding? (multiple choice)

A.

Source network address

B.

Destination network address

C.

Source MAC address

D.

Destination MAC address

E.

Source port number

F.

destination port number

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Question # 44

Asynchronous Response Mode (ARM) is a way of allowing any node to initiate a transfer.

A.

True

B.

False

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Question # 45

What is the packet that the STP downstream device uses to notify the upstream device that the network topology changes?

A.

Agency BPDU

B.

TCN BPDU

C.

Discover BPDUs

D.

Reverse BPDU

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Question # 46

Which of the following IPs may be broadcast addresses if the subnet mask is not clear? (multiple choice)

A.

199.32.59.1

B.

199.32.59.3

C.

199.32.59.191

D.

199.32.59.192

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Question # 47

In full-duplex mode, both parties can receive and transmit data simultaneously.

Which of the following options is working in full duplex mode?

A.

Keyboard

B.

Display

C.

Interphone

D.

Telephone network

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Question # 48

When two routers perform LSDB database synchronization, which of the following messages is used to describe their own LSDB?

A.

Hello

B.

DD

C.

LSR

D.

LSU

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