MCS-2

1. 1Which period of time does preliminary application of wireless networks begin?

   1. ADuring the First World War
   2. BDuring the First World War II
   3. CIn the late 20th century
   4. DAfter 2000
2. 2IEEE is the standards organization responsible for United States radio frequency use.

   1. ATrue
   2. BFalse
3. 3Which of the following standards organization for the WLAN device is certified to achieve interoperability of WLAN technology?

   1. Awifi alliance
   2. BIEEE
   3. CIETF
   4. DFCC
4. 4Which of the following protocol is set by IEEE 802.11 standard?
   (Select 3 Answers)
   

   1. A802.11a/b/g/n
   2. B802.11i
   3. C802.1X
   4. D802.11s
5. 5Which of the following standard is set by WiFi Alliance?
   (Select 2 Answers)
   

   1. A802.11a/b/g/n
   2. BWPA
   3. CWPA2
   4. D802.11I
6. 6CAPWAP protocol is proposed as a WLAN standard by IEEE standard organization in April 2009, used for communication between the AC and the AP.

   1. ATrue
   2. BFalse
7. 7The following protocols which support 2.4 GHz frequency band?
   (Select 3 Answers)
   

   1. A802.11a
   2. B802.11b
   3. C802.11g
   4. D802.11n
8. 8How many channels do China support in 2.4 GHz frequency band?

   1. A11
   2. B13
   3. C3
   4. D5
9. 9In the following options which frequency band range belong to China supported 5 GHZ frequency band?

   1. A5.15 - 5.25 GHz
   2. B5.25 - 5.35 GHz
   3. C5.725 - 5.825 GHz
   4. D5.725 - 5.850 GHz
10. 10According to the different parameters of the control signal, what can be divided into by modulation mode?
    (Select 3 Answers)
    

    1. AAM
    2. BFM
    3. CPM
    4. DSM

11. 11What is the name of wireless communication network based on the first packet type technology?

    1. AInternet
    2. BARPANet
    3. CALOHANET
    4. DNSFnet
12. 12What WLAN operating frequency includes?
    (Select 2 Answers)
    

    1. A2 Ghz
    2. B5.4 Ghz
    3. C2.4 Ghz
    4. D5 Ghz
13. 13How many channels can be most divided into by 2.4 GHz frequency band?

    1. A14
    2. B13
    3. C11
    4. D3
14. 14What is the 2.4 GHz frequency band non-overlapping channels?

    1. A2,7,12
    2. B3,8,13
    3. C1,6,11
    4. D3,7,13
15. 15How long is the distance between each channel center frequency of 2.4 GHz frequency band?

    1. A20 MHz
    2. B22 MHz
    3. C5 MHz
    4. D10 MHz
16. 16Which protocol can support both 2.4 GHz frequency band and 5 GHz frequency band?

    1. A802.11n
    2. B802.11a
    3. C802.11b
    4. D802.11g
17. 17What is the working frequency of 2.4 GHz spectrum Chinese regulations?

    1. A2.4 GHz - 2.4835 GHz
    2. B2.471 GHz - 2.497 GHz
    3. C2.4465 GHz - 2.4835 GHz
    4. D2.445 GHz - 2.475 GHz
18. 18What kind of work does the following technologies in the 5 GHz?
    (Select 2 Answers)
    

    1. Aradar
    2. Bbluetooth
    3. Cinfrared
    4. Ddigital satellite
19. 19 Basic Service Set is the basic component of 802.11 network, consists of a set of workstations communicate with each other.

    1. ATrue
    2. BFalse
20. 20BSSID is the MAC address of the AP actually used to identify a BSS managed AP

    1. ATrue
    2. BFalse
21. 21. Which of the following is wireless LAN standards originally formulated by IEEE?

    1. AIEEE 802.11
    2. BIEEE 802.10
    3. CIEEE 802.12
    4. DIEEE 802.16
22. 22Huawei AP products can only support configuration an SSID.

    1. ATrue
    2. BFalse
23. 23WDS technique improves the flexibility and convenience of the whole network structure, but can only support the working mode of point to point.

    1. ATrue
    2. BFalse
24. 24What is the Chinese name of SSID?

    1. ABasic Service Set
    2. BBasic Service Area
    3. CExtended Service Set
    4. Dservice Set Identifier
25. 25Connected by multiple AP and network infrastructure mode of distributed system, also known as what?

    1. ABasic Service Set
    2. BBasic Service Area
    3. CExtended Service Set
    4. DExtended Service Area
26. 26Which of the following AP mode does not belong to WDS network?

    1. ARoot AP
    2. BMiddle AP
    3. CBridge AP
    4. DLeaf AP
27. 27What is called of the network composed by a wireless AP and associated wireless client?

    1. AIBSS
    2. BBSS
    3. CESS
    4. DNSS
28. 28If a completely composed of STA in BSS, the BSS is also called?

    1. AIBSS
    2. BESS
    3. CSSID
    4. DBSA
29. 29How much bandwidth each 802.11g frequency band channel?

    1. A25 MHz
    2. B20 MHz
    3. C50 MHz
    4. D22 MHz
30. 30Mesh networking is defined in which of the following protocols?

    1. A802.11a
    2. B802.11g
    3. C802.11e
    4. D802.11s
31. 31What is called of the area of single AP coverage

    1. ABSA
    2. BESA
    3. CSSA
    4. DTSA
32. 32BSS is called the Basic Service Set, BSS can be divided into Independent BSS and Infrastructure BSS two kinds.

    1. ATrue
    2. BFalse
33. 3334. What kind of technology belongs to Wireless MAN in the folllowing?

    1. A2g/3g
    2. BWLAN
    3. CBiuetooth
    4. DWiMAX (Este estandar 802.16 es la base de las WMAN
34. 34If Wireless client want to connect to the WLAN via AP, then it is connected to the wireless network by what?

    1. ASSID
    2. BIBSS
    3. CBSID
    4. DBSA
35. 35In WLAN, AP has been working in half duplex.

    1. ATrue
    2. BFalse
36. 36In 1999, the IEEE 802.11a standard setting is complete, it rules that the Wireless Local Area Network working frequency in 5.15 - 5.825GHz, data transfer rate reached 11 Mbps.

    1. ATrue
    2. BFalse
37. 37Different from 802.11a/b/g standards, 802.11n protocol is for dual-band work mode, (can support both 2.4GHz and 5GHz two working frequency band).

    1. ATrue
    2. BFalse
38. 38802.11 b support ( ) channels in the United States, there are ( ) channels not overlap?

    1. A14 -3
    2. B11 -3
    3. C11-6
    4. D14 -6
39. 39What the maximum rate of Mbps do the original 802.11 protocol support?

    1. A1
    2. B2
    3. C5.5
    4. D11
40. 40What is the working frequency band used by original 802.11 protocol?

    1. A2.4 GHz
    2. B900 MHz
    3. C2.0 GHz
    4. D5 GHz
41. 41Which channels are not overlapped with each other in 802.11b protocol?
    (Select 3 Answers)
    

    1. A1
    2. B3
    3. C6
    4. D11
42. 42The following options in which speed is the maximum rate of 802.11g protocol support?

    1. A11 Mbps
    2. B22 Mbps
    3. C54 Mbps
    4. D108 Mbps
43. 43What kind of technical implementation is used by 802.11a protocol?

    1. AFHSS
    2. BDSSS
    3. COFDM
    4. DMIMO
44. 44 What are the WLAN standard which the the transmission rate can reach more than 54 Mbps?
    (Select 3 Answers)
    

    1. A802.11a
    2. B802.11b
    3. C802.11g
    4. D802.11n
45. 45Which of the following radio frame belong to the control frame?
    (Select 3 Answers)
    

    1. ARTS
    2. BCTS
    3. CPS-Poll
    4. DBeacon
46. 46In the WLAN, ACK frame belongs to what type of frame?
    
    

    1. AManagement frames
    2. BControl Frames
    3. CData Frame
    4. DEmpty data frame
47. 4748. There are three frame types of 802.11, respectively:
    (Select 3 Answers)

    1. AData Frame
    2. BControl Frame
    3. CBusiness Frame
    4. DManagement Frame
48. 48Parameter which used to check the integrity of the received frame in 802.11 frame is:
    

    1. AFrame Control
    2. BDuration
    3. CFCS
    4. DSequence control bit
49. 49 In 802.11 frame through what parameters to restructure the frame pieces?

    1. AFrame Control
    2. BDuration
    3. CAddress bit
    4. DFragment number
50. 50Wireless client is passive scanning by receiving what frame to acquire the surrounding wireless network information?

    1. ABeacon frame
    2. BProbe Request frame
    3. CAuthentication frame
    4. DAssociation Request frame
51. 51Wireless clients is active scanning sending what frame to acquire the surrounding wireless network information?

    1. ABeacon frame
    2. BProbe Request frame
    3. CAuthentication Request frame
    4. DAssociation Request frame
52. 52There are four wireless STA, according to the following retreat time parameter, which workstation is priority to occupy the channel?

    1. A5
    2. B7
    3. C4
    4. D6
53. 53What are the WLAN standard supporting 5 GHz frequency band?
    (Select 2 Answers)
    

    1. A802.11 a
    2. B802.11 b
    3. C802.11 g
    4. D802.11 n
54. 54What is the China WLAN security mandatory standard?

    1. AWiFi
    2. BWAPI
    3. CWLAN
    4. DWiMAX
55. 55CAPWAP protocol is proposed by which of the following standards organizations?

    1. AFCC
    2. BIETF
    3. CCCC
    4. DETSI
56. 56Which country or region standard organization is ETSI?

    1. AChina
    2. BUSA
    3. CEurope
    4. DJapan
57. 57Point-to-point wireless bridge can be used to connect two separate network located in different sites, in wireless backhaul connection, Root AP and Leaf AP should set different channels.

    1. ATrue
    2. BFalse
58. 58A Root AP can connect to multiple Leaf AP, but a Leaf AP only can connect a Root AP.

    1. ATrue
    2. BFalse
59. 59In WDS network, AP through cable connected to AC, which is called?

    1. ALeaf AP
    2. BMiddle AP
    3. CMaster AP
    4. DRoot AP
60. 60802.11 physical layer standard defines some common operations that wireless network operate in physical layer, such as QoS, security and roaming.

    1. ATrue
    2. BFalse
61. 61Barker code is a sequence of bits 11 (e.g., 10110111000), there is advantage in wireless transmission, can effectively reduce the interference, but reduces the efficiency.

    1. ATrue
    2. BFalse
62. 62802.11b is based on Orthogonal Frequency Division Multiplexing (OFDM) technology.

    1. ATrue
    2. BFalse
63. 63The standard of 802.11n use double band (2.4GHz and 5GHz), the maximum theoretical transmission rate can reach to 300Mbps, actual test rate can reach more than 100Mbps

    1. ATrue
    2. BFalse
64. 64The method of DSSS modulation are BPSK and QPSK

    1. ATrue
    2. BFalse
65. 65Spread spectrum technology is the foundation of using ISM band wireless data transmission.

    1. ATrue
    2. BFalse
66. 66Radio frequency mainly use spread spectrum technology, which of the following technology is belong to spread spectrum technology?
    (Select 2 Answers)
    

    1. AFHSS
    2. BDSSS
    3. COPSK
    4. DOFDM
67. 67MIMO antenna configuration is usually expressed as "M*N", what M and N each means? (Select two Answers)

    1. AM means the number of transmitting antennas
    2. BN means the number of transmitting antennas
    3. CN means the number of receiving antennas
    4. DM means the number of receiving antennas
68. 68In point to multi-point network environment, one device used as a center device, all other devices are only set up a wireless bridge with center device, implement multiple network interconnection. The disadvantage is that multiple branch network communication can data forwarding through the center bridge device.

    1. ATrue
    2. BFalse
69. 69Which of the following options belong to the differences between 802.11b/g protocol? (Select three Answers)

    1. ADifferent capacity
    2. BTwo protocols use different technology
    3. CSupport different data rates
    4. DWork of different frequency bands
70. 70The technology of 802.11n compared to 802.11a/b/g, which of the following advantages include?

    1. AThe maximum theoretical transmission rate up to 600 Mbps
    2. BDownward compatible with 802.11 a/b/g protocols
    3. CSupport MIMO technology
    4. DThe above are all correct (INDICA INSTRUCTOR)
71. 71Because the maximum support rate of 802.11a is the same as 802.11g, so the protocol of 802.11a is backwards compatible with 802.11g protocol.

    1. ATrue
    2. BFalse
72. 72Which rate that 802.11 protocol does not support?

    1. A6Mbps
    2. B12Mbps
    3. C24Mbps
    4. D30Mbps
73. 730ne company want to deploy WLAN, and this company purchase a batch of wireless AP that support 802.11n, when WLAN deployed, can only support 802.11n wireless client can connect to the WLAN.

    1. ATrue
    2. BFalse
74. 74In frame 802.11, which of the value is used to record Network Allocation Vector (NAV)?
    A. Frame Control
    

    1. AFrame Control
    2. BDuration
    3. CAddress
    4. DOrder control
75. 75In the frame of 802.11, which Address bits represent the frame Address at the receiving end?

    1. AAddress 1
    2. BAddress 2
    3. CAddress 3
    4. DAddress 4
76. 76In the frame of 802.11, what is the right corresponding relation between Frame Control of the Type and Frame format?

    1. AType 01 said the data frames
    2. BType 10 said the control frame
    3. CType 00 said in reserve to use
    4. DType 00 said the management frame
77. 77In the frames of 802.11, the STA associated and certification request belong to which type of frame?

    1. AData frame
    2. BControl frame
    3. CManagement frame
    4. DAII Data frame, control frame, management frame have this function
78. 78In the frames of 802.11, when the the wireless station sends a signal to wireless AP, what are the values of To DS and From DS?

    1. A0,0
    2. B0,1
    3. C1,0
    4. D1,1
79. 79Which two kinds of Basic Service Set are included in BSS?
    (Select 2 Answers)
    

    1. AIndependent Basic Service Set
    2. BInfrastructure Structure Pattern Basic Service Set
    3. CExtend Basic Service Set
    4. DExtension Structure Pattern Basic Service Set
80. 80In the frame of 802.11, when Network employs WDS Model to improve the signal, what are the values of ToDS and FromDS?

    1. A0,0
    2. B0,1
    3. C1,0
    4. D1,1
81. 81In Wireless LAN 802.11, which contents are included in CSMA/CA Mechanism?
    (Select 3 Answers)
    

    1. ACarrier Sense
    2. BMultiple Access
    3. CCollision Detection
    4. DConflict Avoidance
82. 82Which is the longest interval in the frame of 802.11?

    1. ASIFS
    2. BIFS
    3. CDIFS
    4. DPIFS
83. 83In the depolyment of WDS, the bridge network model including?
    (Select 3 Answers)
    

    1. APoint-to-Point Mode
    2. BPoint to Multi-point Mode
    3. CRelay Bridge (Repetidor)
    4. DMultipoint to Multipoint Way
84. 84Which is correct of the following statement?
    (Select 3 Answers)
    

    1. AWDS can transmit the Cable Network Information by the architecture of wireless networks. Take this, the Network Information can be transferred to another wireless network environment, or another cable network.
    2. BWireless network bridge function usually refers to the one-to-one, but WDS architecture can do one-to-many.
    3. CWDS can bridge (relay) between the Wireless AP through Wireless, but the wireless AP bridge cannot provide the cover function at the same time.
    4. DBecause through the Wireless Network to form a virtual network line, so the WDS also known as the wireless network bridge function.
85. 85Which of the following equipments are belonged to the Huawei dual-band wireless AP (Access Point)?

    1. AAP5010DN
    2. BAP5010SN
    3. CAP6010SN
    4. DAP6010DN
86. 86If the AP work is in infrastructure mode, then at this time, AP working condition is full-duplex mode.

    1. ATrue
    2. BFalse
87. 87If one Wireless Client is connected to two SSID with the same AP, then, what to determine the wireless terminal to which the wireless AP?

    1. ASSID
    2. BESSID
    3. CBSSID
    4. DBSA
88. 88If AP Client which connect the same SSID want to surf from one AP to another AP, so the overlapping area between two AP signal?

    1. A50%
    2. BDon't need to overlap
    3. C100%
    4. D10% - 15%
89. 89What is the correct statement of following options?
    (Select 3 Answers)
    

    1. AA wireless local area network (LAN) can be divided into several sub-network which require different authentication by SSID Technology. Each sub-network needs independent of the authentication. Only authenticated users can enter the corresponding subnet, to prevent unauthorized users to access the network.
    2. BActually, BSSID is MAC address of the AP, which used to identify the AP management of BSS. BSSID and SSID are one-to-one mapping within the same AP.
    3. CThe user can implement roaming under different SSID.
    4. Dln one ESS, the SSID are the same, but each AP with the matching BSSID in one ESS is not the same. lf one AP can support many SSID, then AP can distribute different BSSID to correspond these SSID.
90. 90In the frames of 802. 11, if the terminal to get access to the wireless medium, what kind of Control Message should be sent?

    1. ARTS
    2. BCTS
    3. CACK
    4. DPS-Poll
91. 91In the frames of 802.11, which messages are used to collect the packet to the terminal in the power saving mode

    1. ARTS
    2. BCTS
    3. CACK
    4. DPS-Poll (el el material de consulta así está especificado)
92. 92In the frames of 802.11, what is the interframe spacing between the RTS and CTS?

    1. ASIFS
    2. BIFS
    3. CDIFS
    4. DPIFS
93. 93When completed to transfer one data frame and confirmed, what is the time interval need to wait before sending the next data frame?

    1. ASIFS
    2. BIFS
    3. CDIFS
    4. DPIFS
94. 94In WDS peer-to-peer network, the backbone link between Root AP and Leaf AP connected by 5GHz frequency band, the frequency band of Root AP is 149, so which frequency band should be picked of Leaf AP?

    1. A149
    2. B153
    3. C157
    4. Dln addition to 149
95. 95MIMO (Multiple input and Multiple output), that is, Multiple input Multiple output using 802.11n wireless access point and the client can use the three most space flow transmit data at the same time, the theory of rate biggest can reach 600 Mbps.

    1. ATrue
    2. BFalse
96. 96What are the rate of 802.11a can support?

    1. A6, 12, 24, 54 Mbps
    2. B6, 9, 12, 18, 24, 36, 48, 54 Mbps
    3. C6, 12, 18, 24, 36, 48, 54 Mbps
    4. D6, 9, 12, 18, 24, 30, 36, 48, 54 Mbps
97. 97What are the rate of 802.11g can support?

    1. A1, 2, 5.5, 11 & 6, 9, 12, 18, 24, 30, 36, 48, 54 Mbps
    2. B6, 9, 12, 18, 24, 36, 48, 54 Mbps
    3. C1, 2, 5.5, 11 & 6, 9, 12, 18, 24, 36, 48, 54 Mbps
    4. D6, 9, 12, 18, 24, 30, 36, 48, 54 Mbps
98. 98Which the following content are included in 802.11n MAC layer technology improvement?
    (Select 2 Answers)
    

    1. AFrame Polymerization
    2. BMIMO Technology
    3. CPiece of technology
    4. DBeamforming
99. 99In 20M Mode, how many subcarriers of 802.11n can be used to transfer data?

    1. A48
    2. B52
    3. C54
    4. D56
100. 100In 20M Mode, how many subcarriers of 802.11a can be used to transfer data?

     1. A48
     2. B52
     3. C54
     4. D56
101. 101If one AP of 802.11n support 2*2 MIMO technology, the theoretical rate of this AP is?

     1. A150 Mbps
     2. B300 Mbps
     3. C450 Mbps
     4. D600 Mbps
102. 102Huawei cassette wireless controller AC6605 support 24 PoE interface, WLAN networking can power for AP which connected to AC directly

     1. ATrue
     2. BFalse
103. 103Huawei cassette wireless controller AC6605 support 24 PoE interface, WLAN networking can power for AP which connected to AC directly

     1. AAC Download
     2. BFTP Server Download
     3. CAP Bring
     4. DBAS Download
104. 104In the process of thin AP find out of AC, the first step is AP check for preconfigured AC static IP list.

     1. ATrue
     2. BFalse
105. 105If AP wants to get the IP address of AC through NS Server, the first thing is to get the IP address of their own IP address, the DHCP Server and DNS.

     1. ATrue
     2. BFalse
106. 106If AP wants to get the IP address of AC through NS Server, the first thing is to get the IP address of their own IP address, the DHCP Server and DNS.

     1. ACentralized management of AP
     2. Blmplement roaming function
     3. CSend a beacon frames
     4. DIntrusion Detection Systems
107. 107In WLAN networking configuration, what command must execute to get to the AP1 distributed configuration on AC6605 finally?

     1. Asave ap id 1
     2. Bcommit ap 1
     3. Csave ap 1 config
     4. Dsave config ap 1
108. 108Which command below you can configure the Huawei switch ports to hybrid mode?

     1. Aswichport hybrid
     2. Bhybrid enable
     3. Cport link-type hybrid
     4. Dport mode hybrid
109. 109Create user for Huawei's AC, will first use aaa command into view.

     1. ATrue
     2. BFalse
110. 110The escalation action of Huawei wireless controller AC6605 only can proceed on the cable side of the controller.

     1. ATrue
     2. BFalse
111. 111Port MEth0/0/1 of AC6605 is used to in-band networking, the default address is 192.168.1.1/24, and cannot be modified

     1. ATrue
     2. BFalse
112. 112Upgrading AP through FTP Mode need to ensure the servers of AP and FTP can communicate, and the upgraded document of AP can be in the root of FTP

     1. ATrue
     2. BFalse
113. 113Huawei AP6310AP belong to outdoor type AP, can support WDS function, achieve the function of point to multi-point wireless bridge. (El modelo AP6310SN-GN es tipo outdoor, checar brochure)

     1. ATrue
     2. BFalse
114. 114Telnet is one of the ways in which the remote management of AP, can be configured to achieve the Telnet based on user name password authentication

     1. ATrue
     2. BFalse
115. 115What is the command of Huawei AC6605 implementation wired and wireless side switch each other?

     1. ACtrl+B-
     2. BCtrl+X
     3. CCtrl+Y
     4. DCtrl+Z
116. 116What is the command of checking online users on the AC?

     1. Adisplay users all
     2. Bdisplay user-interface console 0
     3. Cdisplay local-user
     4. Ddisplay access-user
117. 117What is the command of checking online users on the AC?

     1. Adisplay users all
     2. Bdisplay user-interface console 0
     3. Cdisplay local-user
     4. Ddisplay access-user
118. 118Which of the following command is restart AC6605?

     1. A<Quidway> reload
     2. B<Quidway> reboot
     3. C[Quidway) reload
     4. D[Quidway] reboot
119. 119About AC6605 Telnet management, the following is wrong:

     1. ATelnet is a method of AC remote management
     2. BTelnet service on the AC is off by default
     3. CTelnet service can be in AC cable and wireless side configuration, respectively
     4. DTelnet can be based on user name and password authentication. The transmission is encrypted, thus quite safe
120. 120Huawei wireless controller AC6605 support through security template for user access security management, and support the WEP, WPA, WPA2 and WAPI four security policy

     1. ATrue
     2. BFalse
121. 121If you have changed the AP RF configuration parameters, you have to restart the AP, then the command can take effect.

     1. ATrue
     2. BFalse
122. 122When Huawei wireless controller is configured network WLAN business, what AC-ID is recommended to use?

     1. Accmc
     2. Bctc
     3. Ccuc
     4. Dother
123. 123About the SSID of the following statements, the wrong is:

     1. AOne AP can release a number of different SSID
     2. BMultiple AP can release the same SSID
     3. CA number of SSID can be configured on one AP without limit
     4. DAn AP can release the same SSID on two groups of antenna signal
124. 124What is the VLAN which is used to establish CAPWAP tunnel between AP and AC?

     1. AManagement VLAN
     2. BService VLAN
     3. CUser VLAN
     4. DCertified VLAN
125. 125eSight is Huawei special network management platform, but could only manage Huawei equipment.

     1. ATrue
     2. BFalse
126. 126The following options which is the basis of the configuration of Huawei wireless controller function? (Select 3 Answers)

     1. AConfigure AC - ID
     2. BConfigure Radio template
     3. CConfiguration of AC country code
     4. DConfiguration of AC's WLAN source interface
127. 127Configuration of the AP authentication mode, what kinds of AP authentication support?
     (Select 3 Answers)
     

     1. Amac-auth
     2. Bsn-auth
     3. Cno-auth
     4. Dmac-sn-auth
128. 128Architecture of the wireless local area network (WLAN) is mainly divided into AP
     based on controller architecture and traditional architecture of independent AP.
     

     1. ATrue
     2. BFalse
129. 129The following description of AP is correct?

     1. AThin AP is also known as wireless router
     2. BThin AP due to the function, is gradually replaced by fat AP
     3. CThin AP can not be configurated alone, must be used together with the wireless controller
     4. DThin AP can achieve 802.1 X authentication, encryption, and other functions, such as QoS, the roaming function, they are all implemented on the wireless controller
130. 130According to the network architecture between AP and AC, the networking can be divided into two layer network mode and three layer network mode.

     1. ATrue
     2. BFalse
131. 131CAPWAP protocol supports the Split Mac and Local Mac two work modes.

     1. ATrue
     2. BFalse
132. 132If an enterprise wireless networking mode is forwarding directly, so thin AP can translate 802.11 data packet into Ethernet packets, and then make CAPWAP message encapsulation, through this datagram CAPWAP tunnel is transmitted to the AC.

     1. ATrue
     2. BFalse
133. 133In PoE term, the full name of PSU is the Power Supply Unit, refers to the Power Supply Unit, such as PoE switch Ethernet interface.

     1. ATrue
     2. BFalse
134. 134For the CAPWAP protocol, described below is wrong:

     1. ATransport protocol between AC and thin AP
     2. BThe transport protocol between thin AP and wireless client
     3. CSet by the CAPWAP working group
     4. DSet by the working group on CAPWAP protocol formulation learned other useful features
135. 135When the AC is hanging by networking, if the data is forwarded directly, the data flow ( ) AC; If the data is forwarded tunnel model, the data flow ( ) AC

     1. ADo not go through , Go through
     2. BDo not go through , Do not go through
     3. CGo through , Go through
     4. DGo through , Do not go through
136. 136Here on the double link backup network, description is not correct:

     1. AThe double link backup technology important nodes in the network to improve the network re liability, guarantee the stability of the business
     2. BFor AC always in a state of electricity
     3. CFor the process of building the link between AP and AC, to establish the link must give priority to link first
     4. DOn the main case of AC network business configuration is consistent
137. 137Which of the following description is right of the management VLAN?

     1. AMainly responsible for data transmission of WLAN users
     2. BPVID VLAN of WLAN ESS
     3. CSet Service VLAN
     4. DResponsible for establish the CAPWAP tunnel between AC and AP
138. 138For WLAN network configuration, the following statements are correct:

     1. AWhen the users are procedding data programming, they need to ensure data programming in detail as far as possible, which can easy the late configuration greatly
     2. BBefore congifure AP, AP must be online
     3. CConfiguration WMM templates can be directly binding on the antenna
     4. DWMM template is binding on the radio frequency (RF) template
139. 139WLAN network configuration, WMM template should be binding on which of the following template?

     1. Aradio-profile
     2. Btraffic-profile
     3. Csecurity-profile
     4. Dservice-set
140. 140Which command of following is to Huawei access switches Port GE 0/0/1 join into VLAN100 port?

     1. Ainterface GigabitEthernet 0/0/1 port link-type access port default VLAN 100
     2. Binterface GigabitEthernet 0/0/1 port link-type acess port allow-pass VLAN 100
     3. Cinterface GigabitEthernet 0/0/1 port link-type trunk trunk allow-pass VLAN 100
     4. Dinterface GigabitEthernet 0/0/1 port link-type trunk VLAN 100
141. 141For a adopt connected PSK certification and SSID broadcasting radio network, the user can double-click on the SSID and enter the correct user name and password, then \ can access networks in the future.

     1. ATrue
     2. BFalse
142. 142What is the command of checking the running system version of AP?

     1. Adisplay ap all
     2. Bdisplay ap-run-info id x (X is the AP ID number)
     3. Cdisplay ap version id x (X is the AP ID number)
     4. Ddisplay ap update all
143. 143The following is true according to the following output:
     <Ouidway> display device
     AC6605-26-PWR's Device status:
     Slot Sub Type Online Power Register Status Role
     ------------------------------------------------------------------------------------------------------------------------------------
     0 - AC6605-26 Present PowerOn Registered Normal Master
     POWER Present PowerOn Registered Normal NA
     (Select 2 Answers)
     

     1. AThe user is in the midst of the AC side of cable operation
     2. BThe user is currently in the wireless side of the AC operation
     3. CAccording to the output can be concluded that AC6605 adopted the PoE power supply module
     4. DUsers to realize the WLAN related configuration, by CTRL+Y switch to wireless side first
144. 144If the switch opens the PoE function, can no longer access traditional equipment on these interfaces.

     1. ATrue
     2. BFalse
145. 145Each AC devices need to specify the source IP address of the AC to build CAPWAP tunnel, and the AP. A AC can specify at most 2 WLAN source IP.

     1. ATrue
     2. BFalse
146. 146According to the following configuration example, the following is true:
     [AC] dhcp enable
     (AC] interface VLANif 100
     [AC-VLANif100] ip address 10.1.100.1 24
     [AC-VLANif100] dhcp select interface
     [AC-VLANif100] quit
     

     1. AThe DHCP service in the global mode has been open defaultly, so the DHCP enable can no longer to configure
     2. BThe command of DHCP select interface is on the interface of VLAN 100 can make the DHCP client function
     3. Clf VLAN 100 is user VLAN, the user gateway is 10.1.100.1, the mask is 255.255.255.0
     4. Dlf VLAN100 is AP's management VLAN, AP will receive DHCP message option 43 fields should be 10.1.100.1
147. 147If you don't do the configuration, the AP support for which the default authentication way?

     1. Amac-auth
     2. Bsn-auth
     3. Cno-auth
     4. Dmac-sn-auth
148. 148If you want to create an open authentication security template, which of the following is the correct configuration:

     1. A[AC-WLAN-view] security-profile name security-1 id 1
        [AC-WLAN-sec-prof-security-1] open authentication-method open-system
        [AC-WLAN-sec-prof-security-1] security-policy open
        [AC-WLAN-sec-prof-security-1] quit
     2. B[AC-WLAN-view] security-profile name security-1 id 1
        [AC-WLAN-sec-prof-security-1] wep authentication-method open-system
        [AC-WLAN-sec-prof-security-1] security-policy wep
        [AC-WLAN-sec-prof-security-1] quit
     3. C[AC-WLAN-view] security-profile name security-1 id 1
        [AC-WLAN-sec-prof-security-1] wpa authentication-method open-system
        [AC-WLAN-sec-prof-security-1] security -policy wpa
        [AC-WLAN-sec-prof-security-1] quit
     4. D[AC-WLAN-view] security-profile name security-1 id 1
        [AC-WLAN-sec-prof-security-1] wpa2 authentication-method open-system
        [AC-WLAN-sec-prof-security-1] security-policy wpa2
        [AC-WLAN-sec-profsecurity-1] quit
149. 149When AC is only one interface access convergence layer switches, user traffic directly through convergence layer switch out of the public, not through the AC, networking mode should be at this time:

     1. ABy hanging mode + Tunnel forward (Bypass mode + Tunnel forward)
     2. BBy hanging mode + Straight forward (Bypass mode + Direct forward)
     3. CDirect mode + Tunnel forward (Inline mode + Tunnel forward)
     4. DDirect mode + Straight forward (Inline mode + Direct forward)
150. 150What are the options that can be configured under the sevice-set?
     (Select three Answers)
     

     1. ACan configure SSID character string via ssid xxxx
     2. BCan bind wmm-profile
     3. CCan invoke the wlan-ess port and configure service-vlan
     4. DCan configure forward pattern to direct-forward or tunnel- forward
151. 151In the WLAN configuration, how many types that related to VLAN type?
     (Select three Answers)
     

     1. AManage VLAN
     2. BService VLAN
     3. CUser VLAN
     4. DCertify VLAN
152. 152AC6605 support three ways to establish the AP with AC, what are they respectively?
     (Select three Answers)
     

     1. AIncrease AP after offline
     2. BAutomatically discover AP and Normal online
     3. CAutomatically discover AP and confirm the AP online
     4. DTo search AP via multicast and automatically online
153. 153What is the maximum number that Huawei plug-in controller ACU plate can manage?
     A.1024
     

     1. A1024
     2. B256
     3. C512
     4. D128
154. 154Which two of the following are PoE power supply standard?
     (Select 2 Answers)
     

     1. AIEEE 802.3ae
     2. BIEEE 802.3af
     3. CIEEE 802.3as
     4. DIEEE 802.3at
155. 155About AP6610DN, which statement is wrong?

     1. AAP6610DN is Enhanced outdoor AP
     2. BAP6610DN is dual-band AP, in which 5 GHz frequencies can be both used for wireless bridge and user access
     3. CAP6610DN only has an Ethernet interface/port, the highest bandwidth 1000M
     4. DAP66010DN support Ethernet interfaces and optical fiber interface at the same time
156. 156Huawei plug-in controller ACU board applies to which series switches?
     (Select three Answers)
     

     1. AS9300 series switches
     2. BS9700 series switches
     3. CS7700 series switches
     4. DS5700 series switches
157. 157About AP6010SN features, which statement is true?
     (Select two Answers)
     

     1. AAP6010SN is indoor distributed AP, only support work under the 2.4 GHz band
     2. BAP6010SN has PoE power supply standard that uses an Ethernet interface, support 802.3af
     3. CAP6010SN support WDS function, can realize the point-to-point, point to multi-point wireless bridge
     4. DAP6010SN not only has built-in antenna, but also can install external antenna, very convenient
158. 158Which statements are true about the classification and function of huawei AP?
     (Select three Answers)
     

     1. AAP6010SN and AP6010DN is indoor type AP
     2. BAP6310SN is indoor distribution type AP
     3. CAP6510DN and AP6610DN are outdoor type AP
     4. DAP6610DN is gigabit fiber interface/port, and therefore cannot be directly connected to the AC6605
159. 159For AC + AP network architecture, which following description is wrong?

     1. AAP cannot work alone, need AC centralized maintenance and management
     2. BCan enhance the business QoS, security functions, etc via AC
     3. CAP itself is zero configuration, is suitable for large-scale network
     4. DMust be through the network management system to realize the management of the AP and the user
160. 160About "AP6010DN" named, which of the following statement is incorrect?

     1. A"AP" in the AP6010DN is the specific prefixes of the enterprise network AP
     2. B"601 " in the AP6010DN on behalf of the first generation of standard indoor set type
     3. C"D" in the AP6010DN represents the AP is double-frequency AP, supports both 2.4 GHz and 5 GHz frequencies
     4. D"N" in the AP6010DN on behalf that the AP is 802.11N AP
161. 161To create radio-profile, must bind wmm-profile, or else you will have a configuration error

     1. ATrue
     2. BFalse
162. 162In large wireless network deployment scenarios, when AC configured to "three layer network + By hanging mode + forward directly", where is the wireless user gateway?

     1. AOn layer 3 switches of Aggregation layer
     2. BOn one-armed router
     3. COn AC
     4. DOn AP
163. 163The same user VLAN and the same SSID wireless users can both access the Internet, but t++hey cannot visit each other, what is the proper reason that causes this situation?

     1. AIt configures ACL on user gateway equipment, prevents the mutual visit between users
     2. BIt configured ACL on ACL, preventing the mutual visit between users
     3. CThe configured port isolate on the access AP switch that prevent the mutual visit between user
     4. DIt configures user isolation on wireless service-set that prevent the mutual visit between
164. 164Wireless users connected to the wireless signal but can't get the IP address, what are the possible reasons?
     (Select two Answers)
     

     1. AThe user VLAN doesn't configure DHCP server
     2. BOn WLAN-ESS virtual interface, it doesn't configure dhcp-enable
     3. CThe password that user specified is not correct
     4. DThe MAC address of the user equipment has been added to blacklist
165. 165Which following is true about region?

     1. AThe AP that belongs to the same region will be unified in A region RF channel, power adjustment
     2. BA AP can belong to two regions at the same time, in order to roam more optimized
     3. CIf you don't do the configuration, the default all AP belong to region 0
     4. DAP region cloth types are Intensive cloth, dense discrete cloth, ordinary cloth 3 kinds
166. 166In terms of PoE, AP belong to?

     1. APSE
     2. BPDU
     3. CPI
     4. DPSU
167. 167About the two standards of PoE, which following statement is not correct:
     (Select two Answers)
     

     1. A802.af standards were made in 2009, the maximum output power is 30W
     2. B802.at support four power levels, only supports five types of line
     3. C802.af is also called PoE+, can be compatible with 802.at equipment
     4. D802.at is also called PoE+, can be compatible with 802.af device
168. 168What are the main content of the CAPWAP protocol include?
     (Select three Answers)
     

     1. AAP automatically discover AC and operate and maintain AP&AC state machine
     2. BAC manage AP and business configuration issue
     3. CSTA data encapsulate CAPWAP tunnel for forwarding
     4. DDefine the Mac layer and physical layer transmission rate
169. 169About the networking mode, which description is true:

     1. ARelative to the three layers networking, the layer two networking is more suitable for park, sports venues and other large network
     2. BThe advantage of layer three networking is simple configuration, establishing networking easily
     3. CIf the ability of AC processing the data is weak, it is recommended to use hanging by networking
     4. DIn direct-connect networking, AP business data can reach the upward network without going through AC
170. 170Which description of following WLAN network figure is wrong?

     1. AThe picture is hanging type networking
     2. BCan be configured on the access switch management VLAN PVID
     3. CYou can use the AC as a DHCP Server, and assign IP addresses to AP
     4. DCan't use Aggregation switches to assign IP addresses to the STA
171. 171Which following description about business VLAN is right

     1. AMainly responsible for transmit the data when WLAN users on the Internet
     2. BThe PVID VLAN of WLAN ESS port
     3. CThe Service VLAN under Service set template
     4. DIf adopt the way of data tunnel forwarding, user data is not transmitted through business VLAN
172. 172According to the following output, which statement is true:
     <Quidway> display version
     Huawei Versatile Routing Platform Software
     VRP (R) software, Version 5.70 (AC6605 V200R001C00)
     Copyright (C) 2003-2012 Huawei TECH CO., LID
     Quidway AC6605-PWR Routing Switch uptime is 0 week, 1 day, 23 hours, 33 minutes
     H852V26S 0(Master): uptime is 0 week, 1 day, 23 hours, 33 minutes
     512M bytes DDR Memory
     128M bytes FLASH
     Check the running status of the AC6605.
     (Select 3 Answers)
     

     1. Adisplay version can see the present device VRP version number is 5.70
     2. BAt present the equipment has being continuous running for 1 day 23 hours and 33 minutes
     3. CAt present the equipment has used 512MB system memory size
     4. DThe total Flash Memory size of the equipment is 128M bytes
173. 173In order to protect the security of the WLAN, which following steps can use?
     (Select three Answers)
     

     1. AVerification of Identity
     2. BEncryption
     3. CSystem protection
     4. DControl flow
174. 174AAA is a kind of management framework, which agreement does it use to realize?
     A. RADIUS
     

     1. ARADIUS
     2. BCAPWAP
     3. C802.11a/b/g/n
     4. D802.1X
175. 175WEP encryption' data algorithm using the algorithm of:

     1. ARC4
     2. BAES
     3. CCCMP
     4. DAsymmetric encryption
176. 176When using PPPoE authentication in WLAN, it has nothing to do with WLAN itself using authentication/encryption.

     1. ATrue
     2. BFalse
177. 177What does the algorithm that CCMP Encryption use?

     1. ARC4
     2. BAES
     3. CSMS4
     4. DMICHAEL
178. 178In the following several kinds of encryption, which has the best security.

     1. Aplaintext encryption
     2. BWEP encryption
     3. CTKIP encryption
     4. DCCMP encryption
179. 179Which of the following port belongs to only one VLAN

     1. AAccess
     2. BHybrid
     3. CTrunk
     4. DEth-trunk
180. 180In TKIP encryption, What bit is the length of IV vector? •

     1. A12
     2. B24
     3. C48
     4. D64
181. 181. For the Shared key authentication, which description below is wrong?

     1. AAfter using Shared key authentication, must use WEP encryption
     2. BThe Shared secret key require users and AP using the same Shared secret key
     3. Cfor AP, Shared key is preset in the AC
     4. DShared key shortcomings are with poor scalability, at the same time is not very safe
182. 182The security level of CCMP encryption is higher than TKIP encryption security, because:

     1. AUse the longer IV
     2. BAdd the key distribution mechanism, instead of using a single key
     3. CUse the more complicated encryption algorithm
     4. DAdd the message integrity checking mechanism
183. 183Configure the wireless network security strategy for WEP, what kind of configuration does it do for security template on AC6605?

     1. ASecuri ty-policy wep wep authentication-method open wep key wep_-40 hex 0 1234567890 wep default-key 0
     2. BSecurity-policy wep policy wep share-key wep key wep-40 hex 0 1234567890 wep default-key 0
     3. CAuthentication policy wpa wpa authentication-method share-key wpa key wpa-40 hex 0 1234567890 wpa default-key 0
     4. DAuthentication policy wpa2 wpa2 authentication-method share-key wpa2 key wpa2-40 hex 0 12345678-90 wpa2 default-key 0
184. 184For AC6605, whether the following command ( ) can be used to view the AP online.

     1. ADisplay ap online all
     2. BDisplay ap all
     3. CDisplay ap-type all
     4. DDispay ap-run-info all
185. 185The following is true:
     (Select 3 Answers)
     

     1. AWPA2 PSK authentication requires the user to enter the user name and password to connect
     2. BWhen users of web authentication, it is obtain IP address successfully, triggered by the user's HTTP message. When forced to redirect to the portal server, carries on the certification process
     3. CWPA2 take the 802.1 X authentication
     4. DWAPI, a wireless local area network (WLAN) is one of China's national standards system
186. 1860riginally only support TKIP wireless network card can drive upgrade to support AES encryption.

     1. ATrue
     2. BFalse
187. 187In the 802.1X protocol, you must have ( ) to complete the user authentication and authorization.
     (Select 3 Answers)
     

     1. AeSight Server
     2. BClient
     3. CAuthenticator
     4. DAuthentication server
188. 188The following description of PSK certification for errors:

     1. APSK certification need to be in the wireless client and equipment configuration of the same Shared secret
     2. BWPA and WPA2 are both support PSK certification
     3. CPSK certification process with the Shared key authentication, so safety
     4. DPSK certification is through four handshake Key negotiation to verify the legitimacy of the STA side Key
189. 189The wrong description of WEP encryption is wrong as follow: (wrong + wrong = true)

     1. AWEP encryption uses a stream encryption algorithm
     2. BWEP encryption joined the IV to destroy key regularity
     3. CThe length of the IV in WEP encryption is 48 bits
     4. DWEP encryption allows devices to store the four keys at the same time
190. 190WIDS attack detection contains:
     (Select 3 Answers)
     

     1. AFlood attack detection
     2. BWeak IV attack detection
     3. CSpoof attack detection
     4. DThe microwave interference detection
191. 191Currently, security strategy based on user authentication which is used in great quantities in the enterprise network is:
     (Select 2 Answers)
     

     1. AWPA1 PSK+TKIP/CCMP
     2. BWPA1 802.1X+TKIP/CCMP
     3. CWPA2 PSK+TKIP/CCMP
     4. DWPA2 802.1X+TKIP/CCMP
192. 1921n the Thin AP network, which of the following authentication don't need AC participation in the process of authentication?

     1. AShared key authentication
     2. B802.1 X authentication
     3. CPSK authentication
     4. DPortal authentication
193. 193Which of the following statements are correct?
     (Select 2 Answers)
     

     1. AWhen the user is in the process of web authentication, which is before obtaining IP address successfully, triggered by the use’s HTTP message; at this time, forced to redirect to the portal server, carries on the authentication process
     2. BWhen the user is in the process of web authentication, which is after obtaining IP address successfully , triggered by the use’s HTTP message; at this time, forced to redirect to the portal server, carries on the authentication process
     3. CWPA2 adopted authentication of 802.1X
     4. DWPA only support TKIP encryption technology
194. 194TKIP encryption is higher than WEP encryption in security, because:
     (Select 3 Answers)
     

     1. AAdopt longer IV
     2. BJoined the key distribution mechanism, instead of using a single key
     3. CAdopt the more complicated the encryption algorithm
     4. DAdopt the stronger data validation algorithm
195. 195The following description about TKIP encryption, which is wrong:

     1. ATKIP IV length is 24 bits used in the encryption
     2. BTKIP encryption, USES encryption algorithm and WEP encryption is the same
     3. CThe motivation of development TKIP encryption is to upgrade the old WEP hardware security
     4. DIncreased in TKIP encryption Key generation, management and transmission mechanism
196. 196If the terminal supports both 5GHz and 2.4GHz functionality, the AP can be configured to control the terminal priority access to 5GHz

     1. ATrue
     2. BFalse
197. 197The following ( ) service model can provide end-to-end QoS service, but poor scalability. (Este tópico no está incluido en material de consulta)

     1. ABest Effort model
     2. BlntServ model
     3. CFIFO model
     4. DDiffServ model
198. 198The following priority queue, ( ) queue is the highest priority by default.

     1. AAC-BE
     2. BAC-VI
     3. CAC-VO
     4. DAC-BK
199. 199The port number of CAPWAP tunnel protocol control message is:

     1. A1646
     2. B5246
     3. C5247
     4. D1645
200. 200Which of the following statement is correct about WDS?
     (Select two Answers)
     

     1. ATwo independent local area network (LAN) via wireless bridge connection, and provides data transmission between them
     2. BWDS default to 2.4 GHz frequency band as bridge frequency band
     3. CGood extensibility, and without laying a new cable connection and deploy more AP
     4. DHuawei indoor AP does not support function of WDS

Description

Quiz on MCS-2, created by Manuel Castellanos on 13/06/2018.

Author

Manuel Castellanos

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Created on 13 Jun 2018 · updated on 16 Jun 2018

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