H35-211 Online Practice Questions and Answers

(single) What is the smallest constituent unit in the message composition mechanism of the H.248 protocol?

A. Message message

B. Transaction transaction

C. Associate context

D. Command command

Single) Is the following description correct?

T-38 fax is much more resistant to network jitter, packet loss and delay than transparent transmission. T30 fax is sensitive to network quality, and it is easy to cause fax failure when the network is not in good condition.

A. True

B. False

(single) Regarding the Ethernet switch, which of the following statements is correct?

A. The LAN Switch mainly searches for the corresponding IP address based on the MAC address of the data packet to implement data packet forwarding.

B. The LAN Switch may not recognize the MAC address, but must identify the IP address.

C. Compared with the shared Hub, one port of the LAN Switch can be said to be a separate collision domain.

D. When the LAN Switch receives a packet containing an unrecognized MAC address, it sends the packet directly back from the received port.

(single) According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?

A. Source MAC address and destination MAC address before

B. Between the source MAC address and the destination MAC address

C. After the source MAC address and the destination MAC address

D. Not fixed

(single) Is the following description correct?

When upgrading the MA5680T, if the io-packetfile file is too large, you can re-unpack and package the iopacketfile with the package tool that comes with the package file.

A. True

B. False

(single) All H.248 commands must be sent back by the receiver.

Which of the following is used to indicate a response message?

A. request

B. pending

C. ack

D. complete

Single) Which of the following is not a component of the UA5000 system environmental monitoring system?

A. H303ESC

B. SCUB

C. FAN

D. Access sensor

(single) Which application scenario is Huawei HG8245 currently suitable for?

A. Outdoor type

B. SFU home user type

C. SBU commercial user type

D. MINI-DSLAM

(single) Is the following description correct?

In the PPP protocol, after the PPP verification succeeds, the Authenticate phase will be transferred to the Network phase.

A. True

B. False

(Single choice) When planning qos, it is necessary to plan reasonably according to the business, and adopt the () scheduling mode for high-priority businesses.

A. WHY

B. RR

C. DRR

D. WRR

Layer 2 enables IGMP-snooping , and when the switch port receives an IGMP join packet, it listens for the packet and adds the corresponding port to the multicast group

A. wrong

B. Right

Under IGMP snooping, there are two users on demand under the OLT- the same program, and the olt sends two join messages to the multicast router

A. wrong

B. Right

In Huawei's u2000 management system, when adding network elements, you can only add -- ones- when you access the network element.

A. wrong

B. Right

(Single choice) In GPON systems, in order to prevent network monitoring, the most common method is.

A. Information encryption

B. Physical transport (not networked)

C. Cableless network transmission

D. Use leased line transmission

(Multi-select) Use 0TDR to locate the abnormally attenuated location in the optical path, and after the OTDR is connected to the detected line, which of the following parameters can be set.

A. Set the measurement range

B. Set the wavelength

C. Set the mode

D. Sets the pulse width