Understanding Constructing Secure Optimized WANs v2.0 Exam – H3CSE-Routing & Switching GB0-391-ENU Real Dumps Online

1. Which of the following statements about the access network is correct is _____

2. Among the control messages defined by the MPCP protocol, the one sent by the OLT is ______ .( Choose one or more )

3. The following statements about VLAN planning in the EPCNI network are correct: _____ ( choose one or more )

4. Compared with IPsec VPN , which of the following advantages does SSL VPN have ? ( Choose one or more )

5. Among the packets encapsulated by the GRE protocol, the payload protocol is the IPX protocol, and the bearer protocol is the IP protocol.The encapsulation sequence of the packet from the link layer to the payload data is the link layer ____GRE____ payload data.

6. Which of the following statements about PKI workflow is correct is ____ .

7. Which of the following statements about IKE is correct is ____ .( Choose one or more )

8. The following description does not belong to SSL handshake protocol layer function are ____ .

9. On what device in the MPLS network does the MPLS forwarding medium voltage label ( PUSH ) operation occur ?

10. The wrong description of the relationship between RT and RD is ____ .

11. Which of the following information about the private network route learned from the remote end through the MP-BGP protocol will be recorded by the PE ?

12. The changes of MP-BGP protocol relative to BGP protocol include

13. What is correct about DOS attacks is ____ .

14. Which of the following are measurement standards for voice quality ?

15. A company PBX via a T1 connection line to the telephone network operators, due to expansion of company size, needs to be able to meet the concurrent 50 -way voice calls, you need to re-apply for ____ root T1 line ? ( Fill in Arabic numerals )

16. In a VoIP network where calls are made through a gatekeeper , what will happen when the gatekeeper cannot determine the location information of the called terminal within its jurisdiction ?

17. During the SIP UA registration process, a response message with a status code of 401 was received, stating that ____?

18. The following commands are configured on the S3610 switch:

qos map-table dotlp-ip

import 1 export4

import 2 export 5

interface Ethernet1/0/8

port link-mode bridge

port link-tpe trunk

port trunk permit vlan 1 4

qos trus t dotlp

interface Ethernet1/0/9

port link-mode bridge

port link-tpe trunk

port trunk permit vlan 1 4

qos gts an cir 65000 cbs 2000000

Then when the traffic is 40Mbps , the packets with the vlan id of 4 and the 802.1p priority are 1 , and the packets with the traffic of 40Mbps with the vlan id of 4 and the 802.1p priority of 2 enter at the same time from port E 1/0/8 , When forwarding from port E1/0/9 , which of the following statements is correct is ____ .( Choose one or more )

19. Use the command on the MSR router:

dis qos wfq interface GigabitEthernet 0/1

Get 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: ( Weighted Fair queuing: Size/Length/Discarcds ) 1023/1024/52719

Hashed b DSCP

Hashed queues 1/2/64 ( Active/Max active/Total )

Then the correct one in the following statement is ____ .

20. In the MSR router configuration command is as follows:

acl number 2001

rule o permit source 19 2.168.2.0 0.0.0.255

acl number 2002

rule o permit source 192.168.3.0 0.0.0.255

acl number 2003

rule o permit source 192.168.0.0 0.0.0.255

#

traffic classifier 2 operator or

if-match acl 2001

if-match classifier 1

traffic classifier 1 operator and

if-match acl 2002

if-match acl 2003

#

traffic behavior 2

filter deny

#

qos polic 2

classifier 2 behavior 2

#

interface GigabitEthernet0/1

port link-mode route

ip address 192.168.1.1 255.255.255.0

qos appl polic 2 0utbound

When the source address are 192.168.2.2.192.168.3.2.192.168.0.2 packets from the port G0 / 1 forwarding outwardly, the following statement is correct ____ .

21. The configuration commands on the MSR router are as follows :

acl number 2000

rul e o permit source 192.168.0.0 0.0.0.255

acl number 2002

rule o permit source 192.168.2.0 0.0.0.255

#

traffic classifier 2 0perator and

if-match acl 2002

traffic classifier l operator and

if-match acl 2000

##

interface GigbitEthernet0/1

port link-mode route

duplex full

speed 10

ip address 192.168.1.1 255.255.255.0

qos reserved-bandwidth pct 90

qos appl polic test outbound

When the traffic rates of packets with source addresses of 192.168.0.2 , 192.168.2.2 , and 192.168.3.2 are 4Mbps , 4Mbps , 5Mbps , and no other background traffic is forwarded from port G0/l .

The incorrect statement under the team is ____ .

22. Based on SOA network architecture to enterprise IT systems into which of the following levels ? ( Select one or more )

23. Based on SOA network architecture to enterprise IT systems into which of the following levels ? ( Select one or more )

24. Based on SOA network architecture to enterprise IT systems into which of the following levels ? ( Select one or more )

25. Which of the following statements about SOA and IToIP is correct is ____ .

26. The following information about IToIP The mistake is ____ .

27. xz company requires to build its network based on modular enterprise network architecture.Company Z has 1 R&D base in Shenzhen and Xi'an , and an office building in Beijing and Shanghai ; it has offices with more than 50 people in 23 capital cities ; it has small offices with no more than 8 people in 200 small and medium-sized cities .There are usually more than 200 market and technical personnel on business trips at any given time .Company Z strictly prohibits employees from using the company network to visit websites that are not related to work.According to these circumstances, the network module that Z company should have is ____ .

28. xz company requires to build its network based on modular enterprise network architecture. Z company in Shenzhen and Xi'an with 1 R & D base, with an office in Beijing and Shanghai ; at 23 with more than capital cities 50 person office ; the 200 has no more than smaller cities 8 people in a small office j There are usually more than 200 market and technical personnel on business trips at any given time .Due to environmental and cost issues, some offices cannot access the headquarters through dedicated lines or packet-switched wide area network connections.According to these circumstances, the network module that Z company should have is ____ .

29. XZ company requires to build its network based on the modular enterprise network architecture. Z company in Shenzhen and Xi'an each 1 R & D base ; save Beijing and Shanghai have an office building ; save 23 provincial capital cities with more than 50 people in the office ; the 200 has no more than smaller cities 8 small office person ; At any given time, there are usually more than 200 marketing and technical personnel on business trips, and some of them are often located in areas lacking Internet access and can only dial in to the headquarters through the telephone network.Due to environmental and cost issues, some offices cannot access the headquarters through dedicated lines or packet-switched wide area network connections.According to these circumstances, the network module that Z company should have is _____ .

30. The advantages of modular network architecture include ____ .( Choose one or more )

31. The following functions of the convergence layer are ____ .( Choose one or more )

32. The following belong to the core layer function is ____ .( Choose one or more )

33. The following are functions of the access layer ____ .( Choose one or more )

34. The advantages of the hierarchical network model include ___ .( Choose one or more )

35. Among the broadband access transmission media, the highest achievable transmission rate is ____ .

36. Among the following broadband access transmission media, the ones that are more suitable for covering remote areas without traditional communication lines include

37. Among the following fiber access methods, the highest degree of fiberization is

38. The following options belong to the co- side equipment is ____ .

39. The CPE in the following options is ____ .

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

41. In the PPPoE negotiation process, which of the following PPPoE messages must contain Service-Name information ?

42. In the PPPoE the PPP Session price segment, PPPoE Client and PPPoE server Ethernet data frames exchanged between an object MAC address may be ____ .

43. Please order under PPPoE Client complementary set the correct parameters :

[HG] dialer-rule 1 ip permit

[HG] interface dialer 2

[HG-Dialer1] dialer user userl

[HG-Dialer1] dialer-group____1____

[HG-Dialer1] dialer bundle ____V___

[HG-Dialer1] ip address ppp-negotiate

[HG-Dialer1] ppp pap local-user user1 password simple pass1

[HG] interface ethernet 0/0

[HG-Ethernet0/0] pppoe-client dial-bundle-number 10

44. In the Ethernet access application, the correct statement about the deployment of the access point AN and the aggregation equipment AGG at the edge of the operator's access network is ____ .

45. In PPPoE applications, the Ethernet MAC address of the access end is determined in the _____ phase of PPPoE .( Please fill in English )

46. Ethernet 1000BASE-T cable uses a standard _____ most large transmission distance is ______ .

47. The cable used in the Ethernet 1000BASE-LX standard is _______ The maximum transmission distance is ________ .

48. In a typical PPPoE network, both PPPoE Server and PPPoE Client are MSR routers.If you want PPPoE to work in permanent online mode, which of the following configurations are required ? ( Choose one or more ) .

49. In a typical PPPoE networking, PPPoE Server and PPPoE Client are for the MSR router, if you want PPPoE session idle 3 minutes after the automatic disconnection, which requires the following configuration ( choose the one or more ) .

50. In the EPON system, the port that the ONU device connects to the user is

51. EPON ranging and delay compensation technology is the key to upstream channel multiplexing, which is mainly realized through the _____ process defined by MPCP .( Choose one or more )

52. There are a large number of two-way video and voice communication needs between branches and headquarters of a company, if you want to choose a broadband access to connect branch offices and headquarters, the following options are the most ideal of a _____ .

53. Among the control messages defined by the MPCP protocol, the one sent by the ONU is _____ .( Choose one or more )

54. During the ONU registration process, the MPCP control message sent through the unicast channel includes _____ .( Choose one or more )

55. In the ONU registration process, comprising L the LID ( the Logical Link ID , Logical Link Flags ) control message comprises information ____ .( Choose one or more )

56. In FIG illustrated EPON networking, the OLT to the network all the ONU ( the ONU1 to ONUn ) to transmit data, the following statements is correct is ____ .( Choose one or more )

57. When the link type of the ONU port is Access , its processing method for the upstream message is ____ .

58. When the link type of the ONU port is Access , its processing method for downstream messages is ____ .

59. When the link type of the ONU port is Trunk , its processing method for upstream packets is _____ .

60. When the link type of the ONU port is Trunk , its processing method for downstream messages is _____ .

61. In EPON applications, if the home gateway or switch on the user side is provided by the operator and unified VLAN management, then the VLAN operation mode on the UNI port should be configured as ____ .

62. Among the commonly used VLAN division methods of EPCN networks , which method uses the double-layer VLAN planning ?

63. For an 860MHz HFC network with an optical node covering 1,000 households , when 64QAM modulation is used, the network bandwidth is all used for point-to-point services.The average household bandwidth is ____

64. The frequency range of the baseband data signal used by common EoC technology is generally ____

65. According to the industry standard of the People's Republic of China G/T 106-1999 "Technical Specifications for Cable TV Broadcasting Systems", the _____ frequency band is used to transmit traditional analog TV programs, digital TV programs and VOD .

66. Which of the following statements about EPCN are correct?

67. In the EPCN network as shown in the figure , when sending data from CLT to users 1 , 2 , 3 , which of the following statements is correct?

68. Among the following DSL technologies, the highest transmission rate is

69. In the PPPoE application of ADSL , when the CPE side uses MSR router + ADSL Modem for networking, and the CO side DSLAM uses ATM for uplink, which interfaces need to be configured on the router on the CPE side ?

70. In ADSL of PPPoE applications, when the CPE side using MSR router + ADSL interface card for networking, CO.'S side DSLAM using ATM uplink time, deposit CPE needs to interface on the router which side ( irrespective CPE side LAN Connection ) ?

71. In the PPPoE application of ADSL , when the CPE side uses the MSR router + ADSL interface card for networking, and the CO side DSLAM uses ATM for uplink, which interfaces need to be PPPoE- related on the CO side centralized router ( PPPoE Server ) Configuration ?

72. In ADSL of PPPoE applications, when the CPE side using MSR router + ADSL interface card for networking, co side DSLAM make use IP rows on the co centralized router side ( PPPoE Server ) need to be on which interfaces PPPoE relevant The configuration ?

73. The frequency band used to transmit data in ADSL2+ is ____ .

74. Among the following ADSL standards, the one that does not need to use a splitter is ____ .( Choose one or more )

75. An operator hopes to deploy ADSL ( ADSL2 ) to kill the system in a community with relatively dense users and short transmission distance .Users do not require high bandwidth, and pay more attention to its economy and ease of installation and maintenance.

Based on the above requirements, when choosing ADSL ( ADSL2 ) standard, the ideal is ____ .( Choose one or more )

76. The theoretical transmission rate of ADSL data is related to which of the following options ?

77. The VPI/VCI parameters of ADSL connection are negotiated and determined in ____ .

78. Common VPI/VCI values ​​ in ADSL applications include ____ .( Choose one or more )

79. Which of the following statements about the improvement of ADSL2 relative to ADSL is correct: ( Choose one or more )

80. Among the following VPN technologies, those belonging to the third layer VPN are ____ .( Choose one or more )

81. The following VPN technology, belonging to the second layer of VPN are ____ .( Choose one or more )

82. Which of the following VPN technologies are suitable for enterprise employees to remotely access the enterprise private network through the Internet ? ( Choose one or more )

83. Which of the following VPN technologies are suitable for corporate employees on business trips to remotely access the corporate network through the Internet ?

84. The incorrect description of L2TP VPN and GREVPN is ____ .( Choose one or more )

85. About L2TP VPN and GRE VPN are correct is ____ .( Choose one or more )

86. Which description is correct about L2TP VPN and SSL VPN?