GB0-392-ENU Dumps (V8.02) Are Online for Your H3CSE-RS-NSO Certification Exam Preparation – Check GB0-392-ENU Free Dumps (Part 1, Q1-Q40) First

1. The MPLS PHP (Penultimate Hop Popping) technology significantly reduces the packet forwarding complexity of the ()

2. In a typical PPPoE network, both the PPPoE Server and the PPPoE Client are MSR routers. If you want PPPoE to work in always-on mode, which of the following configurations are required?

3. An H323 gateway receives an RCF message when registering with the gatekeeper, indicating that ().

4. The ZLB (Zero-Length Bod) message is a control message with only an L2TP header. Its purpose is to serve as an explicit acknowledgment to ensure the reliable delivery of control messages.

In which of the following four situations will the LNS not send a ZLB message to the LAC as a response?

5. The calling UA sends a request message and receives a 200 OK response from the called UA. How can the calling UA cancel the request?

6. When using the `displa mpls ldp session` command to check the LDP neighbor establishment status on a public network device in a BGP MPLS VPN network, if the neighbor status is found to be "Operational", please explain ().

7. How to check if MP-BGP neighbor has been successfully established between two PE devices?

8. The encapsulation format for voice data transmitted in VoIP networks is ().

9. During the SIP UA registration process, a response message with status code 401 was received. What does this mean?

10. The configuration indicates that this is an application of a technology.

RTA:

[RTA] ike peer 123

[RTA-ike-peer-123] pre-shared-ke simple 123

[RTA-ike-peer-123] remote-address 100.1.1.2

. . . . . . <-i

[RTA-ike-peer-123] local-address 100.1.1.1

[RTA-ike-peer-123] quit

[RTA] IPsec proposal 1

IRTA-ipsec-proposal-l] quit

[RTA] ACL number 3000

[RTA-acl-adv-3000] rule 0 permit ip source 192.168.1.0 0.0.0.255 destination 192.168.2.0 0.0.0.255

[RTA] ipsec polic 1 1 isakmp

[RTA-ipsec-polic-isakmp-l-l] securit acl 3000

[RTA-ipsec-polic-isakmp-l-l] ike-peer 123

[RTA-ipscec-polic-isakmp-l-l] proposal 1

[RTA-ipsec-polic-isakmp-l-l] quit

[RTA] interface EthernetO/1/1

[RTA-Ethernet0/1/1] ip address 10.1.1.1 255.255.255.0

[RTA] interface EthernetO/l/0

[RTA-Ethernet0/1/0] ip address 192.168.1.1 255.255.255.0

[RTA] interface Loopback0

[RTA-LoopbackO] ip address 1.1.1.1 255.255.255.255

[RTA] interface Tunnel 1

[RTA-Tunnel1] source 1.1.1.1

[RTA-Tunnel1] destination 2.2.2.2

[RTA-Tunnel1] ip address 100.1.1.1 255.255.255.0

[RTA-Tunnel1] keepalive

[RTA-Tunnel1] ipsec polic 1

[RTA] ip route-static 2.2.2.2 255.255.255.255 10.1.1.2

[RTA] ip route-static 192.168.2.0 255.255.255.0 100.1.1.2

RTB ：

[RTB] ike peer 123

[RTB-ike-peer-123] pre-shared-ke simple 123

[RTB-ike-peer-123] remote-address 100.1.1.1

[RTB-ike-peer-123] local-address 100.1.1.2

[RTB-ike-peer-123] quit

[RTB] ipsec proposal 1

[RTB-ipsec-proposal-l] quit

[RTB] acl number 3000

[RTB-acl-adv-3000] rule o permit ip source 192.168.2.0 0.0.0.255 destination 192.168.1.0 0.0.0.255

[RTB] ipsec polic 1 1 isakmp

[RTB-ipsec-polic-isakmp-l-l] securit acl 3000

[RTB-ipsec-polic-isakmp-l-l] ike-peer 123

[RTB-ipsec-polic-isakmp-l-l] proposal 1

[RTB-ipsec-polic-isakmp-l-l] quit

[RTB] interface Ethernet0/1/1

[RTB-Ethernet0/1/1] ip address 10.1.1.2 255.255.255.0

[RTB] interface Ethernet0/1/0

[RTB-Ethernet0/1/0] ip address 192.168.2.1 255.255.255.0

[RTB] interface Loopback0

[RTB-Loopback0] ip address 2.2.2.2 255.255.255.255

[RTB] interface Tunnel1

[RTB-Tunnel1] source 2.2.2.2

[RTB-Tunnel1] destination l.1.1.1

[RTB-Tunnel1] ip address 100.1.1.2 255.255.255.0

[RTB-Tunnel1] keepalive

[RTA-Tunnel1] IPsec policy 1

[RTB] ip route-static l.1.1.1 255.255.255.255 10.1.1.1

[RTB] ip route-static 1 92.1 68.1.0 255.255.255.0 1 00.1.1 .1

11. In a BGP MPLS VPN network, the BGP neighbor between two PEs has been successfully established, but the MP-BGP neighbor cannot be established. The possible reasons are ().

12. When the link type of the ONU port is Trunk, its processing method for uplink packets is ().

13. When a user picks up the handset and enters the called number, the ringing of the called phone belongs to which of the following signaling types?

14. When the link type of the ONU port is Access, its processing method for downlink packets is ().

15. Which of the following commands can check whether an MPLS LDP session has been successfully established?

16. In the H.323 protocol, which of the following protocols handles the capability negotiation between the two parties in a call?

17. Which of the following standards is a purely subjective measurement method for speech quality?

18. In a BGP MPLS VPN network, two PE devices are connected to two branches of the same private network user, and the two branches need to communicate with each other. Since no BGP reflector is deployed in this BGP MPLS VPN network, which of the following neighbor relationships must be established between these two PE devices?

19. L2TP tunnel information can be displayed via commands ().

20. Among the commonly used VLAN segmentation methods in EPCN networks, which method employs a two-layer VLAN planning approach?

21. Which of the following factors will NOT affect VoIP voice quality?

22. When using IKE to provide automatic key negotiation and exchange for IPSec and establish an SA service, which IKE exchange mode is defined in the second phase of IKE negotiation?

23. When a PC acts as a client, using the client LAC mode to establish an L2TP tunnel with the LNS via the iNode, it displays a timeout error message indicating that the IP address was obtained. The possible causes of this problem are ().

24. For two LSRs in the upstream and downstream directions, which of the following descriptions is correct regarding the label forwarding table for the same forwarding equivalence class?

25. In a BGP MPLS VPN network, when a public network P device receives a packet, it forwards the packet based on the ().

26. On which device in the MPLS network does the pressure label (PUSH) operation occur during MPLS forwarding?

27. In an L2TP network, the command to configure the LNS to force the client to re-perform CHAP authentication is ().

28. The baseband data signal frequency range commonly used in EoC technology is generally ().

29. Among the following fiber optic access methods, the one with the highest degree of fiber optic integration is ().

30. In a BGP MPLS VPN network, which of the following descriptions about private network labels and public network labels is correct?

31. Using a PC as the client, and employing client LAC mode to establish an L2TP tunnel with the LNS via iNode, the user logs in successfully but cannot communicate normally. The possible reasons for this problem are ().

32. An H323 gateway receives an RRJ message when registering with the gatekeeper, indicating that ().

33. Upon examining the private network routing table of a VPN on the PE device, it was discovered that the private network routes of the peer VPN user could be learned via the MP-BGP routing protocol.

However, when checking the routing table of the CE device connected to the PE at this time, it was found that the private network route could not be learned. This could be due to ().

34. Which of the following PPPoE messages are sent in broadcast format?

35. In a VoIP network where calls are made via a gatekeeper, what happens when the gatekeeper cannot determine the location of the called terminal within its jurisdiction?

36. After a session is successfully established using the MPLS LDP protocol, its state remains in the () state.

37. In accordance with the provisions of the People's Republic of China industry standard G/T 106-1999 "Technical Specifications for Cable Television Broadcasting Systems", the frequency band is () used to transmit traditional analog television programs, digital television programs and VOD.

38. In an L2TP VPN, the LAC (L2TP Access Concentrator) receives IP packets sent from the remote system to the server. It needs to encapsulate these packets appropriately before sending them to the LNS (L2TP Network Server). The encapsulation format for the packets transmitted between the LAC and LNS is ().

39. Based on the configuration, it can be determined that this is an application of technology.

RTA:

[RTA] ike peer 123

[RTA-ike-peer-123] pre-shared-ke simple 123

[RTA-ike-peer-123] remote-address 10.1.1.2

[RTA-ike-peer-123] local-address 10.1.1.1

[RTA-ike-peer-123] quit

[RTA] IPsec proposal l

[RTA-ipsec-proposal-l] quit

[RTA] ACL number 3000

[RTA-acl- adv-3000] rule O permit ip source 1.1.1.1 0.0.0.0 destination 2.2.2.2 0.0.0.0

[RTA] ipsec polic 1 1 isakmp

[RTA-ipsec-polic-isakmp-l-l] securit acl 3000

[RTA-ipsec-polic-isakmp-l-l] ike-peer 123

[RTA-ipsec-polic-isakmp-l-l] proposal l[RTAipsec-polic-isakmp-l-l] quit

[RTA] interface EthernetO/1/1

[RTA Ethernet0/1/1] ip address 10.1.1.1 255.255.255.0

[RTA Ethernet0/1/1] ipsec polic l

[RTA] interface Ethernet0/1/0

[RTA Ethernet0/1/0] ip address 192.168.1.1 255.255.255.0

[RTA] interface loopback 0

[RTA- LoopbackO] ip address 1.1.1.1 255.255.255.255

[RTA] interface Tunnel 1

[RTA-Tunnel1] source 1.1.1.1

[RTA-Tunnel1] destination 2.2.2.2

[RTA-Tunnel1] ip address 100.1.1.1 255.255.255.0

[RTA] ip route-static 2.2.2.2 255.255.255.255 10.1.1.2

[RTA] ip route-static 192.168.2.0 255.255.255.0 100.1.1.2

RTB ：

[RTB] ike peer 123

[RTB-ike-peer-123] pre-shared-ke simple 123

[RTB-ike-peer-123] remote-address 10.1.1.1

[RTB-ike-peer-123] local-address 10.1.1.2

[RTB-ike-peer-123] quit

[RTB] ipsec proposal 1

[RTB-ipsec-proposal-l] quit

[RTB] acl number 3000

[RTB-acl-adv-3000] rule o permit ip source 2.2.2.2 0.0.0.0 destination l.1.1.1 0.0.0.0

[RTB] ipsec polic 1 1 isakmp

[RTB-ipsec-polic-isakmp-l-l] securit acl 3000

[RTB-ipsec-polic-isakmp-l-l] ike-peer 123

[RTB-ipsec-polic-isakmp-l-l] proposal 1

[RTB] interface Ethernet0/1/1

[RTB-Ethernet0/1/1] ip address 10.1.1.2 255.255.255.0

[RTB-Ethernet0/1/1] ipsec polic 1

[RTB] interface Ethernet0/1/0

[RTB-Ethernet0/1/0] ip address 192.168.2.1 255.255.255.0

[RTB] interface Loopback0

[RTB-Loopback0] ip address 2.2.2.2 255.255.255.255

[RTB] interface Tunnel1

[RTB-Tunnel1] source 2.2.2.2

[RTB-Tunnel1] destination l.1.1.1

[RTB-Tunnel1] ip address 100 ， 1.1.2 255.255.255.0

[RTB-Tunnel1] keepalive

[RTB] ip route-static l.1.1.1 255.255.255.255 10.1.1.1

[RTB] ip route-static 1 92.1 68.1.0 255.255.255.0 1 00.1.1 .1

40. Which of the following commands should be used to clear an established IPSec security association?