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H3C GB0-391 Exam Syllabus Topics:

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

Question 1

In the SIP network, when the redirect server receives the session request message sent by the calling UA , ____ .

A. Heavy directional wiping search server called UA position information, the position and initiates a session request
B. Heavy targeting server to find the called UA position information, which is returned to the calling UA
C. re- orienting the received server directly calling UA session request ; forwards the message to the called UA
D. Lord called UA all messages are forwarded through a proxy server

Question 2

User behavior management needs to pay attention to the content of ________ .

A. a user visited which website
B. with household Internet use what kind of computer
C. use when the user access through the NAT conversion, which is converted into a public IP address
D. use when users access the Internet

Question 3

The following VPN technology, belonging to the second layer of VPN are ____ .( Choose one or more )

A. IPSec VPN
B. VLL
C. GRE VPN
D. VPLS

Question 4

What is correct about DOS attacks is ____ .

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

Question 5

To clear ike to establish a secure tunnel, which of the following commands should be used ?

A. reset ike
B. reset ipsec sa
C. reset ike sa
D. reset ike tunnel

Solutions: