HCIP-Routing & Switching-IENP V2.5 H12-222_V2.5-ENU New Dumps For Preparation

1. In the IP message, the Tos field is used to mark the Qos, and the first 6 bits are used to mark the DSCP in the Tos field.

2. The traditional packet loss strategy adopts the tail-drop method, which will cause the TCP global synchronization phenomenon.

3. Among the following options, the highlight of the service orchestration of the Agile controller is: (Multiple Choice)

4. Among the following application scenarios, the one that does not belong to the guest access management of the Agile controller is:

5. The main functions of the VIM management module in NFV include resource discovery, resource allocation, resource management and _______.

6. The main technical genres of SDN advocate that SDN adopts a layered open architecture, so what is used to advocate, define a centralized architecture and Openflow?

7. In order to avoid the TCP global synchronization phenomenon, the congestion avoidance mechanisms that can be used are: (Multiple Choice)

8. Which of the following is the command to configure the listening address of the SDN controller?

9. The dynamic IP address assigned by the DHCP server to the client usually has a certain lease period, so regarding the description of the lease period, which of the following is wrong?

10. NFV is often deployed in which of the following application environments? (Multiple Choice)

11. ASPF (Application Specific Packet Filter) is a packet filter based on the application layer. It checks the application layer protocol information and monitors the connected application layer protocol status, and implements a special security mechanism through the Server MAP table.

Regarding the statement about ASPF and Server map table, which of the following is wrong?

12. Stream mirroring is divided into two modes: local stream mirroring and remote stream mirroring.

13. Which of the following modules is not a functional component within the NFV framework?

14. The role of the Agile Controller server does not include which of the following options?

15. MPLS, also known as multi-protocol label switching technology, it can be said that the core of MPLS technology is label switching.

16. As shown in the figure, if MPLS LSP is configured in the network and a local LDP session is implemented between SWA and SWB, which of the following statement is correct?

17. The three elements of the Servermap table of the USG series firewalls do not include:

18. In inter-domain packet filtering, which of the following options belongs to the outbound direction?

19. The remote alarm notification methods supported by Esight network management include: (Multiple Choice)

20. Which common configuration methods does VXLAN support? (Multiple Choice)

21. In response to different needs, the DHCP server supports multiple types of address allocation strategies, not including:

22. Regarding the description of the LDP Session establishment process, which of the following is correct? (Multiple Choice)

23. The interface IP address and virtual IP address of VRRP can be the same.

24. Man-in-the-middle attacks or IP/MAC spoofing attacks can cause information leakage and other hazards, and they are more common in intranets.

In order to prevent man-in-the-middle attacks or IP/MAC spoofing attacks, the configuration methods that can be taken are:

25. Regarding the description of the MAC address spoofing attack, which of the following is wrong?

26. The command to configure the linkage between BFD and static default route is:

27. Intserv model, before the application sends a message, needs to apply to the network to reserve resources.

28. NAT technology can realize data secure transmission by encrypting data.

29. To realize all interfaces of the device, the command to enable the linkage function between BFD and OSPF is:

30. Single-packet attack means that an attacker controls a zombie host and sends a large number of attack messages to the target network, causing the congestion of the attacked network link and exhaustion of system resources.

31. Among the following options, the technologies that do not belong to the OVERLAY VPN model are:

32. In the admission control scenario of the Agile Controller, which of the following options about the roles of the RAD IUS server and client is correct?

33. In ESIGTH, what conditions can be used to set alarm shielding rules? (Multiple Choice)

34. When the host and server in the same security zone communicate with each other, it is not necessary to use NAT for address translation.

35. Regarding the following description of the firewall's inter-domain security strategy, which of the following is correct?

36. Regarding the configuration description, which of the following is wrong?

37. The configuration command of the NAT address pool is as follows, the meaning of the no-pat parameter is: nat address-group 1 section 0 202.202.168.10 202.202 168.20 nat-mode no-pat

38. Regarding the description about business accompanying of Agile Controller, which of the following is correct? (Multiple Choice)

39. MPLS has the concept of forwarding equivalence class (FEC-Forwarding Equivalence Class), so FEC cannot be allocated based on which of the following standards?

40. Rapid detection technology can detect communication failures with neighboring equipment as early as possible, so that the system can take measures in time to ensure uninterrupted business.

41. During the establishment of the LDP session, the openSent state will be experienced. When the openSent state receives the Initialization message and then sends the keepAlive Message, its state will migrate to:

42. The VPN configuration on a certain device is as follows, which of the following description about the configuration command is correct?

43. Which of the following options is correct about the description of RT? (Multiple Choice)

44. LDF is a protocol specially formulated for label distribution. There are many types of messages. Among them, the messages used to announce and maintain the existence of an LSR in the network are:

45. The methods of data collection are mainly divided into: (Multiple Choice)

46. ​​In the network shown in the following figure, if you want to realize the remote LAP session between SWA and SWC, which of the following statement is correct?

47. Complex flow classification refers to the classification of messages based on information such as quintuples (source/destination address, source/destination port number, protocol type), etc., and is usually applied at the core of the network.

48. When two devices with the same priority compete for the role of Master at the same time, the device with the interface with the smaller IP address should be selected as the Master device.

49. Which of the following steps are included in the basic working process of SDN? (Multiple Choice)

50. Regarding the following statements about packet loss in QoS, which is wrong?

51. When pinging the IP address of a certain interface of the firewall on the firewall, these messages will be handed over to the internal module of the firewall for processing and will not be forwarded.

52. According to IP Precedence, MPLS EXP or 802.1P information, packets can be divided into how many types of services?

53. In the MPLS system, there are two ways to publish labels, namely: (Multiple Choice)

54. Which of the following are the main goals of network management? (Multiple Choice)

55. For IPv4 packets, we can perform simple flow classification according to what information in the packet? (Multiple Choice)

56. Which of the following description about the function of traffic supervision is correct? (Multiple Choice)

57. Compared with traffic policing, traffic shaping introduces queues for buffering traffic exceeding the limit.

Regarding traffic shaping, which of the following description is incorrect?

58. In the MPLS VPN network, when the data packet enters the public network and is forwarded, it will be encapsulated with two layers of MPLS labels. Regarding the description of the two layers of labels, which of the following options is wrong? (Multiple Choice)

59. Regarding the description about the VRRP, which of the following is wrong?

60. Qos service model includes: (Multiple Choice)

61. In the MPLS network as shown in the figure, which of the following descriptions is correct? (Multiple Choice)

62. Regarding the description of the default security zone of the USG series of security firewalls, which is correct?

63. In the firewall inter-domain security policy, which of the following data flows is not in the outbound direction?

64. Configure the remote port mirroring function on the Huawei router to realize the remote port mirroring message, which can be transmitted to the monitoring equipment through the three-layer IP network, the command is:

65. VPN models are mainly divided into two types, one is Overlay VPN, and the other is Peer-to-Peer VPN.

66. In the process of the client applying for an IP address through DHCP and assigning an IP address to the DHCP server, which of the following messages are usually unicast? (Multiple Choice)

67. If the two interfaces of the firewall are divided into the same area, then the flow of data packets between the two interfaces must also go through the inter-domain packet filtering process.

68. The eSight single server mode allows only one user to log in at most. When other users log in, it will prompt the user to log in.

69. The broadcast domain of VXLAN is called:

70. Among the following options, which of the following the description about the Agile Controllerr guest account application method is incorrect?

71. Regarding the description of Network Address Port Translation (NAPT) and Only Translating Network Address (NO-PAT), which of the following statements is correct?

72. Among the following options, which describes the Agile Controller's business orchestration concept correctly? (Multiple Choice)

73. Which of the following attacks is not a thousand network layer attacks?

74. LDP is a protocol specially formulated for label distribution. It has many types of messages, among which the messages used to generate, change and delete FEC label mapping are:

75. Regarding the default security zones Trustt and untrust of firewalls, which of the following statement is correct? (Multiple Choice)

76. In the Diff-Serv network, the maximum number of values ​​that can be defined with DSCP is:

77. If DSCP (the first 6 bits of the Tos field) is used, how many categories can the message be divided into at most?

78. What kind of information of message can be used for simple flow classification for tags?

79. In the TCP/IP v4 version, which of the following security risks exist? (Multiple Choice)

80. Jitter is caused by unequal end-to-end delay of packets belonging to the same stream.