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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. The business transmission between departments of an enterprise needs to adopt IPSec to provide end-to-end security protection, and data must be encrypted for transmission.
According to the requirements of the enterprise's business transmission security, which working mode and encapsulation protocol should IPSec use ? ( Choose one or more )

A) tunnel road mode
B) ESP Encapsulation Protocol
C) transfer transport mode
D) AH encapsulation protocol

2. What is correct about DOS attacks is ____ .

A) DOS attacks are aimed at reducing the ability of the attacked system to provide services
B) on to DOS attacks can be controlled by configure access lists on a network device to defense
C) on to DOS attacks in the TCP FLOOD attack, you can use TCP proxy mechanism to defense
D) for at DOS attack in the FTP FLOOD attack can be taken to limit the number of connections per second to defense

3. Which of the following information about the private network route learned from the remote end through the MP-BGP protocol will be recorded by the PE ?

A) RT Import Target attribute of the private network route
B) The private network label of the private network route
C) RD value of the private network route

4. Which of the following statements about the access network is correct is _____

A) access into generally refers to the connection between the user and the network operator of the network close to the user central office
B) Compared with backbone network, access network is often the bottleneck of network transmission speed
C) The access network can also be Ethernet
D) access network typically includes a user transmission system, terminal multiplexers or network,

5. Among the commonly used VLAN division methods of EPCN networks , which method uses the double-layer VLAN planning ?

A) PSV
B) PUPV
C) PUPSPV
D) PSPV

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