最新的Huawei H12-261-ENU免費考試真題

問題1

Which of the following statements about RADIUS is correct?

A. MAC authentication does not require a username and password, so you cannot use RADIUS to authenticate a user.

B. RADIUS supports both wired and wireless access methods.

C. RADIUS protocol authentication, authorization, and audit separation.

D. RADIUS authentication and Portal authentication cannot be used together. Because Portal authentication is usually used, the Portal server can be used to authenticate users.

正確答案: B

問題2

Which of the following descriptions about the FTP protocol is correct?

A. In FTP Active mode, the server uses the command "PORT to tell the client which port it expects to send data.

B. FTP always uses TCP port 20 to establish a data session and ICP port 21 to establish a control session.

C. FTP always uses TCP port 21 to establish a data session and TCP port 20 to establish a control session.

D. FTP always uses a TCP session to transmit control information and data information.

E. In FTP Passive mode, the client completes the initialization of the TCP session for control and data.

正確答案: E

問題3

Which of the following statements about the attributes of the ISIS protocol LSP message are correct? (Multiple choice)

A. When the link state information increases, the packet length of the SP can be increased, so that each LSP can carry more information.

B. Reduce the minimum interval for sending LSPs on an interface to speed up LSP diffusion.

C. Configure an intelligent timer generated by the LSP, which can automatically adjust the delay time according to the change frequency of the routing information.

D. The LSP fast flooding feature first spreads out LSPs smaller than the specified number to speed up the synchronization process of the LSDB.

正確答案: C,D

問題4

The network administrator defines a traffic policing strategy as follows:
[Huawei] display traffic policy user-defined
User Defined Traffic Policy Information
Policy: p1
Classifier: c1
Operator: OR
Behavior: b1
Committed Access Rate
CIR 256(kbps) , PIR 0(kbps) , CBS 48128(byte) , PBS 80128(byte)
Color Mode: color blind
Conform Action: pass
Yellow Action: pass
Exceed Action: discard
statistic: enable
The router port to which this policy is applied has been idle for about 10 seconds. At this time, there is a huge amount of burst traffic of the c1 type, then how many bytes will the packet be colored in green?

A. 48128 bytes

B. 80128 bytes

C. 256K bytes

D. 32K bytes

正確答案: A

問題5

What is the relationship between CIR, BC and TC?

A. TC=CIR/BC

B. CIR=TC/BC

C. TC=BC/CIR

D. CIR=BE/TC

正確答案: C

問題6

As shown in the figure, three switches SW1, SW2 and SW3, where SW1 is the root bridge, the link between SW1 and SW2 is congested, and SW2 cannot receive the configuration BPDU sent by the root bridge. What kind of spanning tree protection mechanism need to configure to prevent problems caused by link congestion?

A. Loop protection

B. TC-BPDU protection

C. BPDU protection

D. Root protection

正確答案: A

問題7

Broadcast-type network, starting the election of DIS after the establishment of the neighbor relationship

A. False

B. True

正確答案: B

問題8

In an IPv6 network, two nodes A and B are neighbors each other. If node A sends an NS message to node B, if node B receives a message and then replies the NA message, then checked on node A, what will the neighbor status be marked?

A. Reachable

B. Incomplete

C. Probe

D. Stale

正確答案: A

最新的Huawei HCIE-Routing&Switching (Written)(Huawei Certified ICT Expert-Routing & Switching) - H12-261-ENU免費考試真題

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