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H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. IntServ model has the following features ?

A) can to provide end to end QoS service
B) mention for absolute and accurate QoS guarantee, does not change with network status affected
C) can to a large-scale deployment in the Internet
D) be to track and record the state of each stream, good scalability

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

A) 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
B) IKE aggressive mode can provide authentication
C) adopted by IKE aggressive mode can provide a speed negotiation
D) IKE aggressive mode is more secure than main mode

3. A company's PBX is connected to the operator's telephone network through an E1 line.Due to the company's expansion, it needs to be able to meet 50 concurrent voice calls.Need to apply for an E1 line ? ( Fill in Arabic numerals )

A) 1

4. A VoIP network is interconnected with a PSTN network and adopts the H.323 protocol.It is required that in addition to normal voice calls, it must also be able to conduct telephone conferences with more than three rooms.The VoIP network must include H.323 components including

A) network gatekeeper
B) terminating end
C) net off
D) MCU

5. According to the encapsulation form of the message, the IPSec working mode is divided into ____ .

A) Wild Man mode
B) transfer transport mode
C) Main mode
D) Tunnel Road mode

Solutions: