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Huawei H12-811_V1.0 Practice Test - Questions Answers, Page 38

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The configuration information of a certain interface of the router is shown in the figure. Which VILAN data packet can this port receive? () interface Gigabit Ethernet 0/0/2.30 dotlq terainatlon viD. 100 ip address 10.0.21.1 255.255.255.0 arp broadcast enable

A.
1
A.
1
Answers
B.
100
B.
100
Answers
C.
30
C.
30
Answers
D.
20
D.
20
Answers
Suggested answer: B

In a Layer 2 network with redundant links, which of the following protocols can be used to avoid loops? ()

A.
VRRP
A.
VRRP
Answers
B.
ARP
B.
ARP
Answers
C.
UDP
C.
UDP
Answers
D.
STP
D.
STP
Answers
Suggested answer: D

For switches running the STP protocol, the port needs to wait for the forwarding delay in the Learning state to transform into the Forwarding state. ()

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: B

When the switch port receives a data frame that does not carry VLAN TAG, it must add PVID. ()

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: A

Which of the following packet types is used by RADIUS to indicate authentication rejection? ()

A.
Access-Accept
A.
Access-Accept
Answers
B.
Access-Request
B.
Access-Request
Answers
C.
Access-Challenge
C.
Access-Challenge
Answers
D.
Access-Reject
D.
Access-Reject
Answers
Suggested answer: D

NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets ()

A.
True
A.
True
Answers
B.
False
B.
False
Answers
Suggested answer: B

Which of the following authentication methods does not require the user name and password? ()

A.
authentication-mode local
A.
authentication-mode local
Answers
B.
authentication-mode none
B.
authentication-mode none
Answers
C.
authorization-mode hwtacacs
C.
authorization-mode hwtacacs
Answers
D.
Authentication-mode hwtacacs
D.
Authentication-mode hwtacacs
Answers
Suggested answer: B

The CAPWAP protocol stipulates the communication standard between AC. and Ap. Which of the following statements about the CAPWAP protocol is correct? ()

A.
CAPWAP is an application layer protocol based on TCP transmission
A.
CAPWAP is an application layer protocol based on TCP transmission
Answers
B.
In order to establish a CAPWAP tunnel, the FIT Ap can only discover the AC through broadcast messages
B.
In order to establish a CAPWAP tunnel, the FIT Ap can only discover the AC through broadcast messages
Answers
C.
In order to reduce the burden on the AP, CAPWAP uses a tunnel to simultaneously transmit control messages and data messages
C.
In order to reduce the burden on the AP, CAPWAP uses a tunnel to simultaneously transmit control messages and data messages
Answers
D.
The AP can encapsulate the user's data message in CAPWAP and hand it over to the AC.
D.
The AP can encapsulate the user's data message in CAPWAP and hand it over to the AC.
Answers
Suggested answer: B

Wireless access controller (AC, Access Cntroller) As a unified management and control device in the FIT AP architecture, the following description of the role of AC. is wrong ()

A.
No matter when the data is forwarded, the user's data message will be forwarded by AC.
A.
No matter when the data is forwarded, the user's data message will be forwarded by AC.
Answers
B.
User access control
B.
User access control
Answers
C.
User access authentication
C.
User access authentication
Answers
D.
AP configuration delivery
D.
AP configuration delivery
Answers
Suggested answer: A

How many more bytes are the packets using MPLS label double-layer nesting technology than the original IP packets ()

A.
32
A.
32
Answers
B.
8
B.
8
Answers
C.
4
C.
4
Answers
D.
16
D.
16
Answers
Suggested answer: B
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