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H3C GB0-391 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: WAN Optimization Technologies | - Traffic optimization and QoS principles - Application acceleration techniques |
| Topic 2: WAN Fundamentals and Architecture | - Enterprise WAN design principles - WAN technologies overview |
| Topic 3: Enterprise WAN Deployment and Management | - WAN deployment models - Monitoring and troubleshooting WAN networks |
| Topic 4: Secure WAN Construction | - VPN technologies and encryption basics - WAN security policies and access control |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
1. The following about symmetric encryption algorithm is ______ .
A) RAS
B) DES
C) AES
D) RC4
2. by the security gateway device displa ipsec sa command displays the following order information, the information is understood by ______ .
Interface: Serial0/2/1 path MTU: 1500
---------------- -------------
IPsec polic name: "1"
sequence number: 1
mode: isakmp
-----------------------------
connection id: 5
encapsulation mode: transport
perfect forward secrec: None
tunnel:
local address: 10.2.1.1
remote address: 10.2.1.2
Flow:
sour addr: 10.1.1.0/255.255.255.0 port: 0 protocol: IP
dest addr: 10.3.1.0/255.255.255.0 port: 0 protocol: IP
[inbound ESP SAs]
spi: 909448761 ( 0x36351639 )
proposal: ESP-ENCRPT-DES ESP-AUTH-MD5
sa remaining ke duration ( btes/sec ) : 1887435204/83
spi: 909448761 ( 0x36351639 )
proposal: ESP-ENCRPT-DES ESP-AUTH-MD5
sa remaining ke duration ( btes/sec ) : 1887435204/83
max received sequence-number: 19
udp encapsulation used for nat traversal: N
[outbound ESP SAs]
spi: 1583842120 ( 0x5e678348 )
proposal: ESP-ENCRPT-DES ESP-AUTH-MD5
sa remaining ke duration ( btes/sec ) : 1887435204/83
max sent sequence-number: 20
udp encapsulation used for nat traversal: N
A) This security policy work in tunnel mode
B) This security policy requires the use of IKE dynamic negotiation key, SPI , security protocol and algorithm and other parameters
C) This security policy works in transmission mode
D) This security policy requires manual configuration of parameters such as keys, SPI , security protocols and algorithms
3. Execute the command on the MSR router and output the following information:
Interface: GigabitEthernet0/1
Output queue: (Urgent queuing: Size/Length/Discards ) 0/100/0
Output queue: (Protocol queuing: Size/Length/Discards ) 0/500/0
Output queue: (Priorit queuing: PQL 1 Size/Length/Discards)
Top: 3/20/42878 Middle: 10/40/0 Normal: 60/60/259195 Bottom: 80/80/344297
Then the following statement is incorrect :
A) PQ queue scheduling does not take effect , Top traffic has packet loss
B) PQ queue scheduling takes effect , no packet loss for Top traffic
C) PQ queue scheduling does not take effect , and Middle traffic has no packet loss
D) PQ queue scheduling takes effect , Top traffic has packet loss
E) PQ queue scheduling does not take effect , Top traffic has no packet loss
F) PQ queue scheduling takes effect , and Top traffic has no packet loss
4. In the PPPoE the PPP Session price segment, PPPoE Client and PPPoE server Ethernet data frames exchanged between an object MAC address may be ____ .
A) Group multicast MAC address
B) widely broadcast MAC address
C) The MAC address of the PPPoE client
D) The MAC address of the PPPoE server
5. respect to common data stream, a voice stream is more sensitive to delay and jitter, in order to give priority to ensure the forwarding of voice data, the following technique may be employed queue scheduling ____
Solutions:
| Question # 1 Answer: B,C,D | Question # 2 Answer: A,B | Question # 3 Answer: A,B,E,F | Question # 4 Answer: C,D | Question # 5 Answer: Only visible for members |






