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Huawei H12-811_V1.0 Practice Test - Questions Answers, Page 46

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The mask length is 12 bits can be expressed as?

A.
255.240.0.0
A.
255.240.0.0
Answers
B.
255.248.0.0
B.
255.248.0.0
Answers
C.
255.255.0.0
C.
255.255.0.0
Answers
D.
255.255.255.0
D.
255.255.255.0
Answers
Suggested answer: A

UDP is oriented to connectionless and must rely on () to ensure the reliability of transmission. ()

A.
Internet Protocol
A.
Internet Protocol
Answers
B.
Transmission Control Protocol
B.
Transmission Control Protocol
Answers
C.
Application layer protocol
C.
Application layer protocol
Answers
D.
Network layer protocol
D.
Network layer protocol
Answers
Suggested answer: C

What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()

A.
40s
A.
40s
Answers
B.
10s
B.
10s
Answers
C.
20s
C.
20s
Answers
D.
30s
D.
30s
Answers
Suggested answer: A

By default, what is the period for sending 0SPF HELLO packets on the broadcast network? ()

A.
10s
A.
10s
Answers
B.
20s
B.
20s
Answers
C.
30s
C.
30s
Answers
D.
40s
D.
40s
Answers
Suggested answer: A

In the VRP system, what function does the Ctrl+Z key combination have? ()

A.
Return to user view from any view
A.
Return to user view from any view
Answers
B.
Return from system view to user view
B.
Return from system view to user view
Answers
C.
Exit interface view
C.
Exit interface view
Answers
D.
Exit the current view
D.
Exit the current view
Answers
E.
Exit the console interface view
E.
Exit the console interface view
Answers
Suggested answer: A

As shown in the figure below, assuming that the MAC address table of SWA is as follows, now host A. sends a data frame with a destination MAC address of MAC-B. Which of the following statements is correct? ()


A.
Flood out this data frame
A.
Flood out this data frame
Answers
B.
Forward this data according to the G0/0/2 port
B.
Forward this data according to the G0/0/2 port
Answers
C.
SWA. Discard the data frame
C.
SWA. Discard the data frame
Answers
D.
Forward this data frame from port G0/0/3
D.
Forward this data frame from port G0/0/3
Answers
Suggested answer: B

A company applies for a C. IP address segment, which needs to be evenly distributed to 8 subsidiaries. The largest subsidiary has 14 computers. Different subsidiaries must be in different network segments, so the subnet mask should be set. for()

A.
255.255.255.192
A.
255.255.255.192
Answers
B.
255.255.255.240
B.
255.255.255.240
Answers
C.
255.255.255.0
C.
255.255.255.0
Answers
D.
255.255.255.128
D.
255.255.255.128
Answers
Suggested answer: B

After the network administrator uses the Tracer tRoute function on the router device, in the data packet sent by the router, the value of the Protoco1 field in the IPv4 header is?

A.
17
A.
17
Answers
B.
2
B.
2
Answers
C.
1
C.
1
Answers
D.
6
D.
6
Answers
Suggested answer: A

Which of the following routing protocols has the highest priority?

A.
RIP
A.
RIP
Answers
B.
Direct
B.
Direct
Answers
C.
Static
C.
Static
Answers
D.
OSPF
D.
OSPF
Answers
Suggested answer: B

Which of the following fields is not included in the HELL0 packet of the OSPF protocol?

A.
Network HA. sk
A.
Network HA. sk
Answers
B.
Nei ghbor
B.
Nei ghbor
Answers
C.
sysname
C.
sysname
Answers
D.
He11 oInt erval
D.
He11 oInt erval
Answers
E.
He11 oInt erval
E.
He11 oInt erval
Answers
Suggested answer: C
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