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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
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 #2
When did the initial application of wireless networks begin ()?
A. During the First World War
B. During the Second World War
C. 20 Late century
D. 2000 Years later
عرض الإجابة
اجابة صحيحة: B
السؤال #3
802.11b Support () channels in the United States, among which () channels do not overlap?
A. 1; 3
B. 4 ; 3
C. 4 ; 6
D. 1 ; 6
عرض الإجابة
اجابة صحيحة: A
السؤال #4
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 #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
Which of the following technologies works at 5 GHz (Select 2 Answers)?
A. Radar
B. Bluetooth
C. Infrared
D. Digital Satellite
عرض الإجابة
اجابة صحيحة: AD
السؤال #7
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 #8
In 1999, the IEEE 802.11a standard was developed. The standard specifies that the WLAN operating frequency band is 5.15 to 5.825 GHz, and the data transmission rate reaches 11 Mbps.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #9
1999 Year, IEEE 802.11a The standard formulation is completed. The standard stipulates that the working frequency band of wireless local area network can reach the transmission rate 11Mbps .5.15 ~5.825GHz , Data transmission
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #10
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 #11
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 #12
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
A. WiFi
B. IEEE
C. IETF
D. FCC
عرض الإجابة
اجابة صحيحة: A
السؤال #13
Which of the following AP Mode does not belong to WDS The internet()?
A. Root AP
B. Middle AP
C. Bridge AP
D. Leaf AP
عرض الإجابة
اجابة صحيحة: C
السؤال #14
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 #15
What frame does the wireless client passively scan to obtain the surrounding wireless network information ()?
A. uthentication frame
B. eacon frame
C. ssociation Request frame
D. robe Request frame
عرض الإجابة
اجابة صحيحة: B
السؤال #16
IEEE It is the standards organization responsible for the use of wireless frequencies in the United States.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #17
The following is not the AP binding template .
A. lanning table template
B. adio frequency template
C. P template
D. SS template
عرض الإجابة
اجابة صحيحة: A
السؤال #18
BSS Full name Basic Service Set ,BSS It can be divided Independent BSS and Infrastructure BSS Two kinds.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #19
AP What are the reasons for being unable to go online ()? (Select 3 Answers)
A. ADHCP Incorrect address pool configuration AP Unable to get address
B. BAP Use static discovery, but AC of IP Configuration error
C. CAP Version with AC Inconsistent versions
D. DThe controller uses no-auth Authentication mode
عرض الإجابة
اجابة صحيحة: ABC
السؤال #20
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 #21
WLAN technology uses radio waves to transmit information over the air and uses the 2.4 GHz and 5 GHz frequency bands. The 5 GHz frequency band here refers to Fifth Generation (5G) technology.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #22
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 #23
Which of the following protocols can support at the same time 2.4GHz Frequency band and 5GHzFrequency band()?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: D
السؤال #24
Which channels in the 802.11b protocol do not overlap each other (Select 3 Answers)?
A. 1
B. 3
C. 6
D. 11
عرض الإجابة
اجابة صحيحة: ACD
السؤال #25
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 #26
An antenna converts pilot waves on transmission lines into electromagnetic waves propagated inunbounded media (free space in most cases), or vice versa.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #27
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 #28
Which of the following technologies work at 5 GHz ()? (Select 2 Answers)
A. radar
B. Bluetooth
C. Infrared
D. Digital satellite
عرض الإجابة
اجابة صحيحة: AD
السؤال #29
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 #30
original 802.11 What is the maximum rate supported by the protocol Mbps ()?
A. 1
B. 2
C. 5
D. 11
عرض الإجابة
اجابة صحيحة: B
السؤال #31
What is the name of the first radio communication network based on packet technology?
A. INTERNET
B. ARPANet
C. ALOHNET
D. NSFnet
عرض الإجابة
اجابة صحيحة: C
السؤال #32
WDS technology increases the filexibility and convenience of the entire network structure, but only supports peer-to-peer mode of operation.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #33
There are four wireless STA, According to the following backoff time parameters, which workstation has the priority to occupy the channel?
A. 5
B. 7
C. 4
D. 6
عرض الإجابة
اجابة صحيحة: C
السؤال #34
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 #35
Which of the following are PHY technologies used by 802.11ac? (Choose all that apply.)
A. FDMA
B. TS/CTS
C. 56-QAM
D. FDM
E. U-MIMO
F. -MPDU
عرض الإجابة
اجابة صحيحة: CDE
السؤال #36
According to the different signal parameters controlled, what modulation methods can be divided into ()? (Select 3 Answers)
A. AM
B. FM
C. phase modulation
D. Wave modulation
عرض الإجابة
اجابة صحيحة: ABC
السؤال #37
original 802.11 What is the working frequency band used by the agreement ()?
A. 2
B. 900 MHz
C. 2
D. 5 GHz
عرض الإجابة
اجابة صحيحة: A
السؤال #38
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 #39
2.4 GHz What is the range of operating frequency specified by China ()?
A. 2
B. 2
C. 2
D. 2
عرض الإجابة
اجابة صحيحة: A
السؤال #40
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 #41
What was the name of the first radio communication network based on packet technology ()?
A. INTERNET
B. ARPANet
C. ALOHNET
D. NSFnet
عرض الإجابة
اجابة صحيحة: C
السؤال #42
To quickly identify the AC on which a STA goes online, an AC saves the online status of all ACs and STAs in the mobility group.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #43
To quickly identify the AC on which a STA goes online, an AC saves the online status of all ACs and STAs in the mobility group.
A. rue
B. alse
عرض الإجابة
اجابة صحيحة: B
السؤال #44
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 #45
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
عرض الإجابة
اجابة صحيحة: B
السؤال #46
when AC When it is a bypass networking, if the data is forwarded directly, then the data flow () flow () AC. AC; If the data is in tunnel forwarding mode, the data
A. Don't go through
B. Don't pass, don't pass
C. Pass by
D. Pass, not pass
عرض الإجابة
اجابة صحيحة: A
السؤال #47
The following description about dual-link backup networking is incorrect ()
A. ual-link backup technology improves network reliability at important network nodes and ensures business stability
B. ctive and standby AC The network service configuration on the Internet must be consistent
C. repare AC Always be in the power-on state
D. xist AP With active and standby AC In the process of establishing active and standby links, the link established first must be the active link
عرض الإجابة
اجابة صحيحة: D
السؤال #48
2.4 GHz How many channels () can the frequency band be divided into at most?
A. 4
B. 3
C. 1
D.
عرض الإجابة
اجابة صحيحة: A
السؤال #49
An infrastructure-mode network consisting of multiple APs and distributed systems that connect them, also known as what?
A. Basic service set
B. Basic service area
C. Extended service set
D. Extended service area
عرض الإجابة
اجابة صحيحة: C
السؤال #50
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 #51
2.4 GHz How many channels () can the frequency band be divided into at most?
A. 4
B. 3
C. 1
D.
عرض الإجابة
اجابة صحيحة: A
السؤال #52
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
عرض الإجابة
اجابة صحيحة: B
السؤال #53
Large companies have more video conferences, and QoS generally adopts the () service model.
A. iffServ model
B. ntServ model
C. est Effort model
D. IFO model
عرض الإجابة
اجابة صحيحة: D
السؤال #54
Which of the following protocols is defined in the Mesh networking?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: D
السؤال #55
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 #56
If one BSS Totally by STA Composition, then BSS What is also called ()?
A. IBSS
B. ESS
C. SSID
D. BSA
عرض الإجابة
اجابة صحيحة: A
السؤال #57
SSID What is the Chinese name of ()?
A. Basic service set
B. Basic service area
C. Extended service set
D. Service set ID
عرض الإجابة
اجابة صحيحة: D
السؤال #58
Which technology belongs to the wireless metropolitan area network () below?
A. 2G/3G
B. WLAN
C. Bluetooth
D. WiMAX
عرض الإجابة
اجابة صحيحة: B
السؤال #59
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 #60
What parameters are used in 802.11 frames to reassemble frame fragments?
A. Frame Control
B. Duration
C. Address bit
D. Fragment number
عرض الإجابة
اجابة صحيحة: D
السؤال #61
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 #62
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 #63
What type of frame does the ACK frame belong to in the WLAN?
A. Management frame
B. Control frame
C. Data frame
D. Empty data frame
عرض الإجابة
اجابة صحيحة: B
السؤال #64
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 #65
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 #66
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 #67
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 #68
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 #69
Which of the following technologies work at 5 GHz ()? (Select 2 Answers)
A. adar
B. luetooth
C. nfrared
D. igital satellite
عرض الإجابة
اجابة صحيحة: AD
السؤال #70
CAPWAP Which of the following standards organization proposed the agreement ()?
A. FCC
B. IETF
C. CCC
D. ETSI
عرض الإجابة
اجابة صحيحة: B
السؤال #71
The BSSID is actually the MAC address of the AP and is used to identify the BSS managed by the AP.
A. True
B. False
عرض الإجابة
اجابة صحيحة: B
السؤال #72
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 #73
Which of the following protocols support the 2.4 GHz band (Select 3 Answers)?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: BCD
السؤال #74
Which of the following 802.11 standards use orthogonal frequency division multiplexing (OFDM) technology? (Choose all that apply.)
A. 02
B. 02
C. 02
D. 02
E. 02
F. 02
عرض الإجابة
اجابة صحيحة: ADEF
السؤال #75
The following command can configure the port of the Huawei switch as hybrid model()?
A. ort mode hybrid
B. ort link-type hybrid
C. wichport hybrid
D. ybrid enable
عرض الإجابة
اجابة صحيحة: B
السؤال #76
What is the distance between the center frequencies of the channels in the 2.4 GHz band?
A. 0 MHz
B. MHz
C. 0 MHz
D. 2 MHz
عرض الإجابة
اجابة صحيحة: B
السؤال #77
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 #78
What is the recommended AC-ID for Huawei wireless controllers when configuring enterprise network WLAN services ()?
A. mcc (China Mobile)
B. uc (China Unicom)
C. tc (China Telecom)
D. ther (other)
عرض الإجابة
اجابة صحيحة: D
السؤال #79
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 #80
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 #81
2.4 GHz What is the range of operating frequency specified by China ()?
A.
B.
C.
D.
عرض الإجابة
اجابة صحيحة: A
السؤال #82
Which of the following options is 802.11g The maximum rate supported by the protocol ()?
A. 11Mbps
B. 22Mbps
C. 54Mbps
D. 108Mbps
عرض الإجابة
اجابة صحيحة: C
السؤال #83
Which of the following standards are WiFi Developed by the alliance ()? (Select 2 Answers)
A. 802
B. WPA
C. WPA2
D. 802
عرض الإجابة
اجابة صحيحة: BC
السؤال #84
Which of the following options is the maximum rate supported by the 802.11g protocol?
A. 11Mbps
B. 22Mbps
C. 54Mbps
D. 108Mbps
عرض الإجابة
اجابة صحيحة: C
السؤال #85
Mesh Networking is defined in which of the following protocols ()?
A. 802
B. 802
C. 802
D. 802
عرض الإجابة
اجابة صحيحة: D
السؤال #86
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 #87
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 #88
Which of the following standards organizations implements WLAN technical interoperability for WLAN equipment certification ()?
A. WiFi
B. IEEE
C. IETF
D. FCC
عرض الإجابة
اجابة صحيحة: A
السؤال #89
When did the initial application of wireless networks begin ()?
A. During the First World War
B. During the Second World War
C. 20 Late century
D. 2000 Years later
عرض الإجابة
اجابة صحيحة: B
السؤال #90
Configure the security profile of the wireless network as WEP. You need to configure the security profile on the AC6605 as follows.
A. uthentication policy wpa2 Wpa2 authentication-method share-key Wpa2 key wpa2-40 hex 0 1234567890 Wpa2 default-key 0
B. uthentication policy wpa Wpa authentication-method share-key Wpa key wpa-40 hex 0 1234567890 Wpa default-key 0
C. ecurity-policy wep Policy wep share-key Wep key wep-40 hex 0 1234567890 Wep default-key 0
D. ecurity-policy wep Wep authentication-method open Wep key wep-40 hex 0 1234567890 Wep default-key 0
عرض الإجابة
اجابة صحيحة: C
السؤال #91
ETSI Which country or region is the standards organization ()?
A. China
B. America
C. Japan
D. Europe
عرض الإجابة
اجابة صحيحة: B
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
original 802.11 What is the working frequency band used by the agreement ()?
A.
B. 00 MHz
C.
D. GHz
عرض الإجابة
اجابة صحيحة: C
السؤال #94
A set of security measures are taken to safeguard STA access on a wireless network, and secure association is established through authentication to ensure that all communication parties have valid identities.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #95
What is the maximum rate supported by the original 802.11 protocol?
A. 1
B. 2
C. 5
D. 11
عرض الإجابة
اجابة صحيحة: B
السؤال #96
How many channels does China support in the 2.4 GHz band?
A.
B. 3
C. 1
D.
عرض الإجابة
اجابة صحيحة: B
السؤال #97
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 #98
The basic service set is 802.11 The basic components of a network are composed of a group of workstations that communicate with each other.
A. True
B. False
عرض الإجابة
اجابة صحيحة: A
السؤال #99
Which of the following protocols is defined in the Mesh networking?
A. 02
B. 02
C. 02
D. 02
عرض الإجابة
اجابة صحيحة: A
السؤال #100
Which of the following standards is WLAN (Select 2 Answers)?
A. 802
B. WPA
C. WPA2
D. 802
عرض الإجابة
اجابة صحيحة: BC

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