Last Updated: Aug 07, 2026
No. of Questions: 468 Questions & Answers with Testing Engine
Download Limit: Unlimited
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| Section | Weight | Objectives |
|---|---|---|
| Overview of Secure and Optimized WAN | 10% | - Key technologies for secure and optimized WAN - Remote network connection requirements |
| BGP/MPLS VPN | 15% | - MPLS basic concepts and label operation - MPLS LDP protocol - BGP/MPLS VPN architecture and deployment |
| Broadband Access Technologies | 15% | - ADSL/ADSL2+ access technology - PPPoE principle and configuration - EPON/GPON technology and deployment |
| Traditional VPN Technologies | 20% | - L2TP VPN principle and configuration - VPN basic concepts and classification - GRE VPN principle and configuration |
| WAN Optimization and QoS | 15% | - Traffic policing and shaping - QoS models and service classification - Congestion management and avoidance |
| Secure VPN Technologies | 25% | - SSL VPN architecture and application scenarios - IPSec VPN architecture, principle and configuration - Data security fundamentals: encryption, integrity, PKI |
1. In a VoIP network, which of the following factors are related to the bandwidth saved by VAD technology ?
A) mesh network congestion degree
B) selected encoding type used
C) selected by signaling type
D) said language and characteristics of the speaker
2. Based on SOA network architecture to enterprise IT systems into which of the following levels ? ( Select one or more )
A) the number of data layers
B) lP network layer
C) service service layer
D) business service layer
3. Hereinafter GREVPN and BGP / MPLS VPN described above are correct ____ .
A) GRE VPN can provide advanced security such as data encryption, but BGP/MPLS VPN cannot provide such security.
B) both point to point tunnel
C) Both can separate the address space
D) GREVPN does not separate address space, BGP/MPLS VPN can separate address space
4. In the SIP network, which of the following devices are not UA?
A) connected to a common voice on the gateway PSTN phone
B) SIP server
C) language voice gateway
D) lP phone
5. If the device is employed with a double rate burst single token bucket algorithm for traffic measurement, assume that a moment about a 400 -byte packet arrives, then CBS so that the number of tokens in the token bucket is 300 bytes , The number in the EBS token bucket is 500 bytes, and the message will be marked as
A) Cheng Connaught the burst
B) exceed the peak rate
C) over the Excess Burst
D) exceed the amount in the emergency
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: C | Question # 3 Answer: D | Question # 4 Answer: A,B | Question # 5 Answer: D |
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