Exam Code: GB0-391
Exam Name: Constructing Secure optimized WANs v2.0
Certification Provider: H3C
Corresponding Certification: H3CSE-Routing & Switching
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H3C GB0-391 Exam Syllabus Topics:

SectionWeightObjectives
WAN Optimization and QoS15%- QoS models and service classification
- Congestion management and avoidance
- Traffic policing and shaping
BGP/MPLS VPN15%- MPLS LDP protocol
- BGP/MPLS VPN architecture and deployment
- MPLS basic concepts and label operation
Traditional VPN Technologies20%- GRE VPN principle and configuration
- VPN basic concepts and classification
- L2TP VPN principle and configuration
Secure VPN Technologies25%- Data security fundamentals: encryption, integrity, PKI
- SSL VPN architecture and application scenarios
- IPSec VPN architecture, principle and configuration
Broadband Access Technologies15%- ADSL/ADSL2+ access technology
- PPPoE principle and configuration
- EPON/GPON technology and deployment
Overview of Secure and Optimized WAN10%- Remote network connection requirements
- Key technologies for secure and optimized WAN

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. Configure the following command on the MSR router: qos rtpq start port 16384end-port 32767bandwidth1000cbs25000
Then the correct statement is

A) start-por and end-port are configured with UDP port numbers
B) provided apparatus applied RTPQ queue
C) its configured start-port port number as the source port number, End Port- port number and destination port number
D) start-por and end-port are configured with TCP port numbers


2. In the L2TP networking, the command for configuring LNS to perform mandatory LCP renegotiation authentication for users is ____ .

A) Configure manclator-lcp in the global view
B) In the L2TP-group view, configure mandator-lcp
C) In the L2TP-group view, configure mandator lcp
D) Configure authentication-mode mandator-lcp in the L2TP-group view


3. The following statement about VoIP voice transmission is wrong

A) need to RTP to provide re-ordering mechanism
B) needed to TCP to provide reliability mechanisms
C) need to UDP provides multiplexing mechanism
D) needs to UDP provides a time stamp mechanism


4. 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 / 0/6 enters only port E1 / 0/7 when forwarding.Then the following commands are configured on the following switches: the statement is correct

A) portions partial misconfigured
B) E1 / 0 /.9 outgoing packets 802.1p preferred precedence 5
C) E1 / 0 /.9 outbound message packets 802.1p Priority Level 1
D) 10Mbps packets are forwarded normally
E) Packet traffic shaping is 1950kbps for forwarding


5. On what device in the MPLS network does the MPLS forwarding medium voltage label ( PUSH ) operation occur ?

A) On all devices of the MPLS network
B) On all LSR devices in the middle of the MPLS network
C) The packet leaves the MPLS network address LER on device
D) The packet enters the MPLS network at the LER on device


Solutions:

Question # 1
Answer: A,B
Question # 2
Answer: B
Question # 3
Answer: B,D
Question # 4
Answer: C,D
Question # 5
Answer: D

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