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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. In L2TP VPN in, the LAC ( the L2TP Access Concentrator , the L2TP Access Concentrator ) received from the remote system transmitted to the server side lP after the data packet, that the packet will be sent to the respective packages L the NS ( the L2TP the 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 L2TP header UDP header Public network lP header
B) Private network data packet PPP header UDP header Public network lP header L2TP header
C) Private network data packet L2TP header PPP header UDP header Public network lP header
D) Private network data packet PPP header UDP header L2TP header Public network lP header

2. and IKE wild pretty model compared to, IKE main mode which has the following characteristics ?

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

3. Which of the following factors will not affect the VoIP voice quality ______?

A) Packet loss on IP network
B) selected by signaling type
C) back sound
D) choose a type of numbering

4. use IKE is IPSec provides auto-negotiation key exchange and create SA during the service, in the IKE defines which of the first stage of consultation kinds of IKE exchange mode ?

A) Wild Man mode ( Aggressive Mode )
B) channel information exchange mode ( Informational the Exchange Mode )
C) Fast speed mode ( New Group Mode )
D) Main Mode ( the Main Mode )

5. OLT issue register cancellation message 5 ONU issuing register_ACK message
3.The following statements about VLAN planning in the EPCNI network are correct: _____ ( choose one or more )

A) PUPSPV mode can accurately identify users and services, and each user's business has a corresponding vlan id identification.
B) PSPV manner the same user for all services use the same one VLAN to be labeled, its implementation can not be guaranteed quality of service.
C) In PUPV mode, all users in the cell share the same business vlan id .
D) The deployment of PUPSPV mode requires equipment to support QinQ technology.

Solutions: