Free H12-311 Exam Dumps Preview

Which of the following technologies is under (or below) the wireless metropolitan area network in terms of coverage scale?

What are the prerequisites for users to implement Layer 3 roaming? (Choose three)

In an 802.11 frame, which address field represents the address of the frame's receiving end?

In 1999, the IEEE 802.11a standard was completed. The standard specifies that the WLAN working frequency band is 5.15?.825 GHz, and the data transmission rate can reach 54 Mbps, not 11 Mbps.

The Huawei AC6605 supports user access security management through security templates and supports
WEP, WPA/WPA2, and WAPI security policies.

How should a large number of APs with AC version mismatch be handled?

What technology is used by the 802.11a protocol?

When an 802.11 packet sent by a STA enters the Ethernet through the AP, it is converted into an 802.3 packet.

Which of the following is not a priority mapping method?

Regarding the AP6610DN, which statement is incorrect?

The networking mode can be divided into Layer 2 and Layer 3 modes based on the network architecture between the AP and the AC.

Which of the following are prerequisites for enabling Huawei's load balancing function?

After a data frame is sent and acknowledged, what is the time interval to wait before sending the next data frame?

Which of the following WLAN standards support transmission rates of 54 Mbps or higher? (Choose three)

If a wireless client connected to the same SSID wants to roam from one AP to another, what should be the area of signal overlap between the two APs?

According to the following output, which statements are correct? (Choose three)
<Quidway> display version
Huawei Versatile Routing Platform Software
VRP (R) software, Version 5.70 (AC6605 V200R001C00)
Copyright (C) 2003-2012 Huawei TECH CO., LTD
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

Which of the following are EDCA parameters? (Choose two)

Which of the following technologies operate in the 5 GHz band? (Choose two)

The following figure shows the WLAN topology of an enterprise.
If direct forwarding mode is used and policy-based routing is not considered, which of the following paths may be used on the network?

When a STA sends an 802.11 frame and it enters the Ethernet through an AP, it is converted into an 802.3 frame. If no priority-mapping method is configured, the priority is determined by ___________.

Which of the following statements about AP regions is correct? (Choose three)

The types of AP domain deployment are: (Choose three)

Roaming of a terminal across different VLANs belongs to:

Which of the following factors need to be considered when selecting devices during WLAN planning?

Which of the following authentication modes belong to link authentication?

Which of the following devices are Huawei Wireless Dual Access APs (Access Points)? (Choose two)

The IntServ model provides end-to-end absolute QoS guarantees for users, but it has not been successfully deployed on a large scale because:

What is the recommended AC-ID for the Huawei wireless controller when configuring WLAN services in an enterprise network?

What are the main contents of the CAPWAP protocol? (Choose three)

If an 802.11n AP supports 2?
MIMO technology, what is its theoretical maximum data rate?

The two commonly used units describing antenna gain are dBi and dBd. The conversion relationship between them is: dBi = dBd + 2.14.

To configure the security profile of the wireless network as WEP on the AC6605, which configuration is correct?

The gain of antenna A is 11 dBi, and the gain of antenna B is 8 dBi. It can be said that antenna A has a larger gain than antenna B by:

In WLAN network configuration, which command must be executed on the AC6605 to deliver the configuration to AP1?

If WLAN capacity demand is high in a coverage area, which construction method should be considered?

WLAN APs can be powered by: (Choose three)

For a wireless network with WPA2 PSK authentication and SSID broadcast, the user can double-click the SSID and enter the correct username and password to access the network.

802.11b is a protocol based on Orthogonal Frequency Division Multiplexing (OFDM) technology.

Which of the following statements is true about the coverage distance design principles of a single AP (20 dBm)?

Which of the following statements about Layer 2 and Layer 3 roaming are true? (Choose three)

If a BSS is composed entirely of STAs, what is this type of BSS called?

What is the command to check online users on the AC?

There are four wireless STAs.

Which workstation occupies the channel preferentially according to the following backoff time parameters?

The MEth0/0/1 interface on the AC6605 is used for in-band network management. The default IP address is 192.168.1.1/24, and it can be modified.

To ensure that there is no interference among channels in a WLAN network, which of the following frequency bands belong to the 5.8 GHz band used in China? (Choose two)

When only one interface of the AC is connected to the aggregation layer switch, the user traffic is transmitted directly through the aggregation switch to the public network.

For areas with roaming requirements, the coverage of neighboring APs should be kept above 50% to
ensure smooth switching between APs.

What type of frame does the ACK frame belong to in WLAN?

Which statement about the following WLAN networking diagram is incorrect?

Which of the following statements are correct? (Choose three)

Which of the following commands can be used to clear counter statistics?

When channel interference in the 2.4 GHz band is severe, configuring the device to 3 channels can effectively reduce interference.

Which of the following are general conditions for roaming triggers? (Choose two)

Which VLAN is used to establish a CAPWAP tunnel between the AP and AC?

In China, which WLAN bands are supported by regulations?

In Huawei eSight, the methods to add WLAN devices include: (Choose three)

Which of the following statements about antenna gain are true?