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H3C GB0-391 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Traditional VPN Technologies | 20% | - VPN basic concepts and classification - L2TP VPN principle and configuration - GRE VPN principle and configuration |
| WAN Optimization and QoS | 15% | - QoS models and service classification - Traffic policing and shaping - Congestion management and avoidance |
| Broadband Access Technologies | 15% | - EPON/GPON technology and deployment - PPPoE principle and configuration - ADSL/ADSL2+ access technology |
| BGP/MPLS VPN | 15% | - BGP/MPLS VPN architecture and deployment - MPLS basic concepts and label operation - MPLS LDP protocol |
| Overview of Secure and Optimized WAN | 10% | - Key technologies for secure and optimized WAN - Remote network connection requirements |
| Secure VPN Technologies | 25% | - IPSec VPN architecture, principle and configuration - Data security fundamentals: encryption, integrity, PKI - SSL VPN architecture and application scenarios |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
Question 1
In the basic configuration of L2TP in independent LAC mode , the description of the tunnel verification function is correct.
A. lack of provincial cases, tunnel authentication is disabled
B. tunnel track verification request only by LAC initiated
C. lack of provincial cases, tunnel authentication is enabled.
D. tunnel channel request can be verified by the LNS initiated
Question 2
The following commands are configured on the S3610 switch:
qos map-table dot1p-lp
import 1 export 5
interface Ethernet1/0/6
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos priori4
interface Ethernet1/0/7
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos gts queue 5 cir 12600 cbs 2000000
Then when the flow rate is 10Mbps the vlan id is 2 and 802.1p preferred priority of 1 is the packet from the port E1 / 0/8 into the only port E1 / 0/9 when forwarding.
Then the following statement is correct
A. E1 / 0 /.9 outbound message packets 802.1p Priority Level 1
B. Packet traffic shaping is 1950kbps for forwarding
C. E1 / 0 /.9 outgoing packets 802.1p preferred precedence 5
D. portions partial misconfigured
E. 10Mbps packets are forwarded normally
Question 3
The processing steps of the rules configured in CAR for packets are in order from front to back:
A. Comments estimates continue discarded
B. divided type, evaluation, disposal
C. Review assessment, classification and disposal
D. Comments estimate discarded, continued
Question 4
Compared with ordinary data flow, voice flow is more sensitive to delay and jitter.The field that can be used to mark voice traffic in a data packet for priority processing by network equipment is ____
A. DSCP
B. 802.1p
C. number of source data streams / object IP address, port number, protocol type pentad
D. IP Precedence
Question 5
According to the industry standard of the People's Republic of China G/T 106-1999 "Technical Specifications for Cable TV Broadcasting Systems", the _____ frequency band is used to transmit traditional analog TV programs, digital TV programs and VOD .
A. 5 ~ 65MHz
B. 110MHz ~ 1000 MHz
C. 0 ~ 30MHz
D. 87MHz ~ 108MHz
Solutions:
| Question 1 Answer: C,D | Question 2 Answer: A,E | Question 3 Answer: B | Question 4 Answer: A,B,C,D | Question 5 Answer: B |


