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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. In the PE build configuration set up a VPN , the following statements is correct _______ .

A) with the need for each user VPN users, planning a unique private label value
B) The name of the VPN is set by the user according to the needs of easy understanding and viewing.Different VPN names cannot be the same
C) On a PE , an independent RD value needs to be planned for each VPN
D) The value of RT is related to the mutual visit relationship between VPN users, but the attribute value of Impert target and Export target must be the same

2. The following options belong to the co- side equipment is ____ .

A) cable modem
B) access the server
C) machine top box
D) DSLAM
E) access into the switch

3. In L2TP VPN , LAC ( LATP Access Concentrator , L2TP access concentrator ) receives the IP data packet sent from the remote system to the server , and needs to encapsulate the data packet and send it to LNS ( L2TP Network Server , L2TP) Network server ) , the encapsulation format of the data packet transmitted between LAC and LNS is

A) Private network data packet ->PPP header ->UDP header -> public network IP header ->L2TPT header
B) Private network data packet ->PPP header ->UDP header ->L2TPT header -> Public network IP header
C) Private network data packet ->PPP header ->L2TPT header ->UDP header -> Public network IP header
D) Private network data packet ->L2TPT header ->PPP header ->UDP header -> public network IP header

4. There are a large number of two-way video and voice communication needs between branches and headquarters of a company, if you want to choose a broadband access to connect branch offices and headquarters, the following options are the most ideal of a _____ .

A) EPON
B) APON/BOPN
C) ADSL

5. Compared with IKE main mode, which of the following advantages does IKE aggressive mode have ?

A) adopted by IKE aggressive mode can provide a speed negotiation
B) IKE aggressive mode is more secure than main mode
C) In the case that both parties in communication can know the IP address of the initiator in advance and need to use the pre-shared key, the aggressive mode can be used
D) IKE aggressive mode can provide authentication

Solutions: