H3C GB0-391 Actual Free Exam Questions & Community Discussion

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

Exam Questions: 468
Updated On: May 27, 2026

Question #28

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. needs to UDP provides a time stamp mechanism

D. need to UDP provides multiplexing mechanism

Discussion 0

Correct Answer: B,C Vote an answer

Question #29

VPN that Which of the following types of RT configuration is wrong ?

A. required to isolate the private network user belongs to two VPN of RT attributes which Export Target attributes and Export Target intersection exists between attribute

B. needs to be exchange of visits of two private network user belongs VPN of RT attribute, its Import Target property and Import Target intersection exists between property

C. need to exchange visits of two private network user belongs VPN 's RT attribute, its Import Target property and Export Target intersection exists between property

D. need to isolate the private network user belongs to two VPN of RT attributes which Import Target attributes and Export Target intersection exists between attribute

Discussion 0

Correct Answer: D Vote an answer

Question #30

In BGP MPLS VPN networking, where does the RT value exist in ______ ?

A. In the private network packet forwarded by PE to CE

B. In the route cancellation message exchanged between PEs

C. In the routing update message exchanged between PEs

D. In the private network packet forwarded by the PE to the P device

Discussion 0

Correct Answer: C Vote an answer

Question #31

Which of the following codes has the lowest requirement for broadband?

A. G729

B. G723

C. G726

D. G711

Discussion 0

Correct Answer: B Vote an answer

Question #32

In BGP MPLS VPN network, the public network P on the device, the root packet according _____ packet forwarding.

A. an outer layer MPLS label

B. outer layer object IP address

C. inner layer MPLS label

D. inner layer object IP address

Discussion 0

Correct Answer: A Vote an answer

Question #33

Please add the correct parameters in the following PPPoE Cllent configuration:

Discussion 0

Correct Answer:

110

Question #34

The following statements about the client, LAC and LNS in L2TP are correct _____ .

A. customer client can at the same time as the LAC

B. customer client at the same time as LNS

C. LAC can act as LNS at the same time

D. a th LAC simultaneously with the plurality of LNS to establish a connection

Discussion 0

Correct Answer: A,C,D Vote an answer

Question #35

a - H.323 gateway received when registering with the gatekeeper RCF message stating ____ .

A. Net observe accepted the registration of the gateway

B. net off registration request is being processed gateway

C. network related parameters transmitted error

D. network gatekeeper refused to register the gateway

Discussion 0

Correct Answer: A Vote an answer

Question #36

Which of the following PPPoE packets may contain valid PPP Session-ID information ?

A. PADS ( PFoPoE Active Discover Session-Confirmation )

B. PADI ( PPPoE Active Discover Initiation )

C. PADR ( PPPoE-Active Discover Request )

D. PADO ( PPPoE Active Discover Offer )

E. PADT ( PPPoE Active Discover Ter minate )

Discussion 0

Correct Answer: A,E Vote an answer

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