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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
What is the bandwidth of each channel in the 802.11g band?
A. 25 MHz
B. 20 MHz
C. 50 MHz
D. 22 MHz
عرض الإجابة
اجابة صحيحة: B
السؤال #2
If the wireless client wants to pass AP Connected to WLAN , Then what is it through to connect to the wireless network ()?
A. SSID
B. IBSS
C. BSID
D. BSA
عرض الإجابة
اجابة صحيحة: A
السؤال #3
What is the operating frequency set by China in the 2.4 GHz band?
A. 2
B. 2
C. 2
D. 2
عرض الإجابة
اجابة صحيحة: A
السؤال #4
CAPWAP The agreement is made by IEEE Standards organization in 2009 year 4 One of the month WLAN Standard for AC And thin AP Communication between.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #5
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #6
Among the following priority queues, the () queue has the highest default priority.
A. C-VO
B. C-BK
C. C-VI
D. C-BE
عرض الإجابة
اجابة صحيحة: A
السؤال #7
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: B
السؤال #8
OFDMA and MU-MIMO are mutually exclusive technologies that cannot be configured together.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #9
WLAN middle,AP It has been working in a half-duplex state.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #10
The power of the indoor AP is generally mW.
A. 00
B. 00
C. 00
D. 0
عرض الإجابة
اجابة صحيحة: B
السؤال #11
There are four wireless STAs. Which workstations occupy the channel preferentially according to the following backoff time parameters?
A. 5
B. 7
C. 4
D. 6
عرض الإجابة
اجابة صحيحة: C
السؤال #12
What are the mandatory standards for wireless LAN security in China?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
عرض الإجابة
اجابة صحيحة: B
السؤال #13
802.11g What is the bandwidth of each channel of the frequency band ()?
A. 5 MHz
B. 0 MHz
C. 0 MHz
D. 2 MHz
عرض الإجابة
اجابة صحيحة: B
السؤال #14
Which of the following standards is WLAN (Select 2 Answers)?
A. 802
B. WPA
C. WPA2
D. 802
عرض الإجابة
اجابة صحيحة: BC
السؤال #15
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: A
السؤال #16
Which of the following statements about antenna gain are true?
A. AWhen selecting the antenna gain, ensure that the beam matches the coverage area
B. BAn antenna's gain quantitatively measures the degree of input power an antenna can radiate in a given direction
C. CAn antenna's gain measures its ability to transmit and receive signals in a specific direction
D. DAntennas are passive components, and they do not amplify electromagnetic signals
عرض الإجابة
اجابة صحيحة: ABD
السؤال #17
802.11b Which channels in the protocol do not overlap each other()? (Select 3 Answers)
A. 1
B. 3
C. 6
D. 11
عرض الإجابة
اجابة صحيحة: ACD
السؤال #18
WLAN What are the working frequency bands ()? (Select 2 Answers)
A. 2 GHz
B. 5 GHz
C. 5
D. 2
عرض الإجابة
اجابة صحيحة: BD
السؤال #19
By default, Huawei WLAN devices can implement intra-AC Layer 2 roaming without any configurations.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #20
exist WDS One in the network Root AP Can connect multiple Leaf AP , But a Leaf AP Only one can be connected Root AP .
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #21
China in 2.4GHz How many channels does the frequency band support ()?
A. 11
B. 13
C. 3
D. 5
عرض الإجابة
اجابة صحيحة: B
السؤال #22
What are the following WLAN standards for transmission rates up to 54 Mbps and above (Select 3 Answers)?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: ACD
السؤال #23
By a wireless AP And what is the network of associated wireless clients called ()?
A. IBSS
B. BSS
C. ESS
D. NSS
عرض الإجابة
اجابة صحيحة: B
السؤال #24
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: B
السؤال #25
BSS is called Basic Service Set, and BSS can be divided into Independent BSS and Infrastructure BSS.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #26
Used as AP and AC Establish CAPWAP tunnel VLAN What is it VLAN ()?
A. manage VLAN
B. Serve VLAN
C. user VLAN
D. Certification VLAN
عرض الإجابة
اجابة صحيحة: A
السؤال #27
What was the name of the first radio communication network based on packet technology ()?
A. NTERNET
B. RPANet
C. LOHNET
D. SFnet
عرض الإجابة
اجابة صحيحة: C
السؤال #28
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: A
السؤال #29
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #30
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
عرض الإجابة
اجابة صحيحة: B
السؤال #31
and 802.11a/b/g The standards are different, 802.11n Protocol is dual-frequency working mode (support 2.4GHz and 5GHz Two working frequency bands).
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #32
Which of the following wireless frames are control frames ()? (Select 3 Answers)
A. Beacon
B. RTS
C. CTS
D. PS-Poll
عرض الإجابة
اجابة صحيحة: ACD
السؤال #33
What is the distance between the center frequencies of the channels in the 2.4 GHz band?
A. 20 MHz
B. 22 MHz
C. 5 MHz
D. 10 MHz
عرض الإجابة
اجابة صحيحة: C
السؤال #34
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #35
By multiple AP And the infrastructure mode network composed of distributed systems connecting them, also called what ()?
A. Basic service set
B. Basic service area
C. Extended service set
D. Extended service area
عرض الإجابة
اجابة صحيحة: C
السؤال #36
The eSight network management system is Huawei's dedicated network management platform, but it can only manage Huawei's own devices.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #37
What is the network consisting of a wireless AP and associated wireless clients?
A. IBSS
B. BSS
C. ESS
D. NSS
عرض الإجابة
اجابة صحيحة: B
السؤال #38
Which of the following wireless frames belong to the Control Frame (Select 3 Answers)?
A. Beacon
B. RTS
C. CTS
D. PS-Poll
عرض الإجابة
اجابة صحيحة: ACD
السؤال #39
What are the wireless LAN standards that support the 5GHz band (Select 2 Answers)?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: AD
السؤال #40
When did the initial application of the wireless network begin?
A. During a major war
B. During the Second World War
C. Late 20th century
D. After 2000
عرض الإجابة
اجابة صحيحة: B
السؤال #41
802.11 What parameters are used in the frame to reorganize the frame segment ()?
A. Frame Control
B. Duration
C. Address Bit
D. Fragment number
عرض الإجابة
اجابة صحيحة: D
السؤال #42
To avoid reconfiguration of data when an AP on the network is faulty, you can quickly replace APs by configuring AP replacement.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #43
What are the mandatory standards for wireless LAN security in China?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
عرض الإجابة
اجابة صحيحة: B
السؤال #44
Which modulation method is the picture below ()?
A. M
B. M
C. hase modulation
D. ave modulation
عرض الإجابة
اجابة صحيحة: B
السؤال #45
2.4 GHz What is the distance between the center frequencies of the channels in the frequency band()?
A. 0 MHz
B. 2 MHz
C. MHz
D. 0 MHz
عرض الإجابة
اجابة صحيحة: C
السؤال #46
support 5GHz What are the wireless LAN standards for frequency bands ()? (Select 2 Answers)
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: AD
السؤال #47
What are China's mandatory standards for wireless LAN security ()?
A. WiFi
B. WAPI
C. WLAN
D. WiMAX
عرض الإجابة
اجابة صحيحة: B
السؤال #48
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: B
السؤال #49
2.4 GHz What is the frequency band US non-overlapping channel ()?
A. ,7,12
B. ,8,13
C. ,6,11
D. ,7,13
عرض الإجابة
اجابة صحيحة: C
السؤال #50
Which of the following protocols can support both the 2.4 GHz band and the 5 GHz band?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: D
السؤال #51
802.11 The parameter used in the frame to check the integrity of the received frame is ()
A. Frame Control
B. Duration
C. FCS
D. Sequence control bit
عرض الإجابة
اجابة صحيحة: C
السؤال #52
What is the value used to record the Network Allocation Vector (NAV) in an 802.11 frame?
A. equence control bit
B. rame Control
C. uration
D. ddress bit
عرض الإجابة
اجابة صحيحة: C
السؤال #53
BSS is called Basic Service Set, and BSS can be divided into Independent BSS and Infrastructure BSS.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #54
What is the wireless client's active scanning to get the surrounding wireless network information by sending frames?
A. Beacon frame
B. Probe Request frame
C. Authentication Request frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: B
السؤال #55
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
عرض الإجابة
اجابة صحيحة: B
السؤال #56
exist WDS In the networking, it is connected to AC connected AP What is usually called ()?
A. Leaf AP
B. Middle AP
C. Master AP
D. Root AP
عرض الإجابة
اجابة صحيحة: D
السؤال #57
The management VILAN is used to transmit packets that are forwarded through CAPWAP tunnels, including management packets and service data packets forwarded through CAPWAP tunnels.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #58
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
A. iFi Alliance
B. EEE
C. CC
D. ETF
عرض الإجابة
اجابة صحيحة: A
السؤال #59
For a wireless network with WPA2 PSK authentication and SSID broadcast, the user can double-click on the SSID and enter the correct username and password to access the network.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #60
MIMO beamforming adjusts the phase of radio signals at the transmit end to increase the received signal strength indicator (RSSI).
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #61
display ap all Command can be viewed AP of MAC ,Type And running status.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #62
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: A
السؤال #63
Point-to-point wireless bridges can be used to connect two networks located at different locations. In the wireless backbone connection, they are set to different channels. Root AP and Leaf AP Should be set
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #64
exist WDS In the networking, it is connected to AC connected AP What is usually called ()?
A. Leaf AP
B. Middle AP
C. Master AP
D. Root AP
عرض الإجابة
اجابة صحيحة: D
السؤال #65
Which of the following standards organizations is implementing WLAN technology interoperability for WLAN device authentication?
A. WiFi Alliance
B. IEEE
C. IETF
D. FCC
عرض الإجابة
اجابة صحيحة: A
السؤال #66
What are the WLAN operating bands (Select 2 Answers)?
A. 2 GHz
B. 5 GHz
C. 5
D. 2
عرض الإجابة
اجابة صحيحة: BD
السؤال #67
If the terminal supports 5GHz and 2.4GHz Function, then AP Can be configured to control this kind of terminal priority access 5GHz .
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: A
السؤال #68
If an SSID is incorrectly configured, STAs may not discover the target Wi-Fi. How do I modify the SSID to enable STAs to discover the target Wi-Fi?
A. Modify the VAP profile
B. Modify the RRM profile
C. Modify the WDS profile
D. Modify the SSID profile
عرض الإجابة
اجابة صحيحة: D
السؤال #69
The basic service set is the basic component of an 802.11 network and consists of a set of workstations that communicate with each other.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #70
What kind of technology is implemented by the 802.11a protocol?
A. FHSS
B. DSSS
C. OFDM
D. MIMO
عرض الإجابة
اجابة صحيحة: C
السؤال #71
In direct forwarding mode, user data packets are encapsulated in a CAPWAP tunnel and thenforwarded by the AC to the upper-layer network.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #72
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
عرض الإجابة
اجابة صحيحة: B
السؤال #73
802.11g What is the bandwidth of each channel of the frequency band ()?
A. 25 MHz
B. 20 MHz
C. 50 MHz
D. 22 MHz
عرض الإجابة
اجابة صحيحة: B
السؤال #74
2.4 GHz What is the range of operating frequency specified by China ()?
A.
B.
C.
D.
عرض الإجابة
اجابة صحيحة: A
السؤال #75
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
عرض الإجابة
اجابة صحيحة: B
السؤال #76
What are the wireless LAN standards that support the 5GHz band (Select 2 Answers)?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: AD
السؤال #77
There are four wireless STAs. Which workstations occupy the channel preferentially according to the following backoff time parameters?
A. 5
B. 7
C. 4
D. 6
عرض الإجابة
اجابة صحيحة: C
السؤال #78
Regarding the functional characteristics of AP6010SN, which of the following statements is correct is ().(Select 2 Answers)
A. AP6010SN is an indoor distributed AP, which only supports working in the 2
B. AP6010SN has an Ethernet interface and supports 802
C. AP6010SN supports WDS function, which can realize point-to-point and point-to-multipoint wireless bridging
D. AP6010SN not only has a built-in antenna, but also an external antenna, which is very convenient
عرض الإجابة
اجابة صحيحة: BC
السؤال #79
Which of the following options is in the 5GHz band supported by China?
A. 5
B. 5
C. 5
D. 5
عرض الإجابة
اجابة صحيحة: D
السؤال #80
802.11 has three frame types, which are (Select 3 Answers).
A. Data frame
B. Control frame
C. Service frame
D. Management frame
عرض الإجابة
اجابة صحيحة: ABD
السؤال #81
If a BSS is composed entirely of STAs, what is the BSS also called?
A. IBSS
B. ESS
C. SSID
D. BSA
عرض الإجابة
اجابة صحيحة: A
السؤال #82
802.11 There are three frame types, namely (). (Select 3 Answers)
A. Data Frame
B. Control frame
C. Business frame
D. Management frame
عرض الإجابة
اجابة صحيحة: ABD
السؤال #83
What is the area covered by a single AP?
A. BSA
B. ESA
C. SSA
D. TSA
عرض الإجابة
اجابة صحيحة: A
السؤال #84
IEEE is the standard organization responsible for the use of wireless frequencies in the United States.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #85
For Huawei AC To create a user, first use aaa Command to enter the view.
A. ATrue
B. BFalse
عرض الإجابة
اجابة صحيحة: A
السؤال #86
Wireless client passive scanning is obtained by receiving what frames to get around the wireless network information?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: A
السؤال #87
Which of the following is a wireless LAN standard originally developed by the IEEE?
A. IEEE 802
B. IEEE 802
C. IEEE 802
D. IEEE 802
عرض الإجابة
اجابة صحيحة: A
السؤال #88
Huawei AC6605 What is the command to switch between the wired side and the wireless side ()?
A. trl+Z
B. trl+X
C. trl+B
D. trl+Y
عرض الإجابة
اجابة صحيحة: B
السؤال #89
WLAN What are the working frequency bands ()? (Select 2 Answers)
A. 2 GHz
B. 5 GHz
C. 5
D. 2
عرض الإجابة
اجابة صحيحة: BD
السؤال #90
exist WDS One in the network Root AP Can connect multiple Leaf AP , But a Leaf AP Only one can be connected Root AP .
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #91
Which of the following protocols are IEEE 802.11 standards Select 3 Answers)?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: ABD
السؤال #92
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
عرض الإجابة
اجابة صحيحة: B
السؤال #93
Huawei AP The product can only support one configuration SSID .
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #94
Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHzFrequency band()?
A. 02
B. 02
C. 02
D. 02
عرض الإجابة
اجابة صحيحة: D
السؤال #95
IEEE is the standard organization responsible for the use of wireless frequencies in the United States.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #96
OFDMA and MU-MIMO are mutually exclusive technologies that cannot be configured together.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #97
The following description of the management VLAN is correct.
A. VID VLAN under WLAN ESS interface
B. esponsible for establishing the CAPWAP tunnel between the AC and the AP
C. ainly responsible for transmitting data when WLAN users access the Internet
D. ervice VLAN under the service set template
عرض الإجابة
اجابة صحيحة: B
السؤال #98
Antennas are classified by direction and can be classified into antennas and antennas (Select 2 Answers).
A. late shape
B. araboloid
C. rientation
D. mnidirectional
عرض الإجابة
اجابة صحيحة: C
السؤال #99
How many channels does China support in the 2.4 GHz band?
A. 11
B. 13
C. 3
D. 5
عرض الإجابة
اجابة صحيحة: B
السؤال #100
What frame does the wireless client passively scan to obtain the surrounding wireless network information ()?
A. Beacon frame
B. Probe Request frame
C. Authentication frame
D. Association Request frame
عرض الإجابة
اجابة صحيحة: A

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