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Last Updated: Aug 18, 2026
No. of Questions: 468 Questions & Answers with Testing Engine
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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Broadband Access Technologies | 15% | - ADSL/ADSL2+ access technology - EPON/GPON technology and deployment - PPPoE principle and configuration |
| Topic 2: WAN Optimization and QoS | 15% | - Congestion management and avoidance - QoS models and service classification - Traffic policing and shaping |
| Topic 3: BGP/MPLS VPN | 15% | - MPLS basic concepts and label operation - MPLS LDP protocol - BGP/MPLS VPN architecture and deployment |
| Topic 4: Traditional VPN Technologies | 20% | - L2TP VPN principle and configuration - VPN basic concepts and classification - GRE VPN principle and configuration |
| Topic 5: Overview of Secure and Optimized WAN | 10% | - Key technologies for secure and optimized WAN - Remote network connection requirements |
| Topic 6: Secure VPN Technologies | 25% | - Data security fundamentals: encryption, integrity, PKI - SSL VPN architecture and application scenarios - IPSec VPN architecture, principle and configuration |
1. A PBX of a company in Beijing was originally connected to the operator's telephone network through an analog line, using a total of 18 analog lines.In order to reduce maintenance complexity, it is proposed to apply for a digital line from the operator. ______ is the most economical choice.
A) ATM
B) E&M
C) T1
D) E1
2. Which of the following statements about the access network is correct is _____
A) Compared with backbone network, access network is often the bottleneck of network transmission speed
B) access into generally refers to the connection between the user and the network operator of the network close to the user central office
C) access network typically includes a user transmission system, terminal multiplexers or network,
D) The access network can also be Ethernet
3. The following options belong to the co- side equipment is ____ .
A) access the server
B) DSLAM
C) cable modem
D) access into the switch
E) machine top box
4. In the BGP MPLS VPN network, which of the following functions should the PE equipment support ?
A) MPLS LDP
B) MPLS
C) Road multiple instances of the protocol
D) MP-BGP
5. The information displayed on the MSR router is as follows:
acl number 2000
rule 0 permit source 192.168.0.0 0.0.0.255
acl number 2002
rule 0 permit source 192.168.2.0 0.0.0.255
#
traffic classifier 2 operator and
if-match acl 2002
traffic classifier 1 operator and
if-match acl 2000
#
traffic behavior 2
queue af bandwidth pct 30
traffic behavior 1
queue ef bandwidth pct 30 cbs-ratio 25
#
qos polic test
classifier 1 behavior 1
classifier 2 behavior 2
#
interface GigabitEthernet0/1
port link-mode route
duplex full
speed 10
ip address 192.168.1.1 255.255.255.0
qos appl polic test outbound
When the traffic rate of the packets with the source addresses of 192.168.0.2 , 192.168.2.2 , and 192.168.3.2 are 4Mbps , 4Mbps , 6Mbps , and no other background traffic is forwarded from port G0/1_ .Then the following statement is correct _____
A) The forwarding rate of packets with the source address of 192.168.2.2 is about 2.4Mbps
B) The forwarding rate of packets with the source address of 192.168.2.2 is about 4Mbps
C) The forwarding rate of packets with the source address of 192.168.0.2 is about 2.4Mbps
D) The forwarding rate of packets with the source address of 192.168.0.2 is about 4Mbps
E) The forwarding rate of packets with the source address of 192.168.0.2 is about 2.5Mbps
F) The forwarding rate of packets with the source address of 192.168.2.2 is about 2.5Mbps
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: A,B,C,D | Question # 3 Answer: A,B,D | Question # 4 Answer: A,B,C,D | Question # 5 Answer: A,C |
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