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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:
The following about symmetric encryption algorithm is ______ .
- A. RAS
- B. DES
- C. AES
- D. RC4
Correct Answer: B,C,D 🗳️
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
Correct Answer: A,B 🗳️
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
Correct Answer: A,B,E,F 🗳️
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
Correct Answer: C,D 🗳️
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 ____
Reveal Solution Discussion 0Correct Answer:
PQ
Joyce 
Cornell 
Helen 
Chad 
Gail 
Nelson 
Cara 
Agnes 
Paula 
Justin 
Sandy 
Natalie 
Edward 
Sharon 
Lucien 
Rory 
Bart 
Tim 
