Is the following description correct?

Is the following description correct? T.38 fax is much more resistant to network jitter, packet loss and delay than transparent transmission. T.30 fax is sensitive to the quality of the network. If the network is not in good condition, the fax will fail.A . TrueB . FalseView AnswerAnswer: A

December 10, 2018 No Comments READ MORE +

Which of the following factors may cause noise in the call? (Multiple Choice)

Which of the following factors may cause noise in the call? (Multiple Choice)A . Port data is not configuredB . User line issuesC . Transmission clock or ground problemsD . Telephone problemsView AnswerAnswer: BCD

December 10, 2018 No Comments READ MORE +

Which of the default privilege priorities is correct?

The permission to view programs is respectively forbidden, preview, watch, and idle. In the acceptance of multicast user rights, when multiple templates are bound by the same user, the permissions for a certain program in the multiple templates are different. At this time, the user's final permission for the program...

December 9, 2018 No Comments READ MORE +

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

According to the IEEE 802.1Q standard, where is the VLAN identification field in the Ethernet frame?A . Before the source MAC address and destination MAC addressB . Between the source MAC address and destination MAC addressC . After the source MAC address and destination MAC addressD . Not fixedView AnswerAnswer:...

December 9, 2018 No Comments READ MORE +

What kind of uploading method does the MA5680T load the package file when using the BIOS upgrade?

If the MA5680T does not start properly (non-hardware problems, the system keeps restarting), usually we can use the BIOS upgrade method to end. What kind of uploading method does the MA5680T load the package file when using the BIOS upgrade? (Multiple Choice)A . ftpB . tftpC . XmodemD . wftpView...

December 9, 2018 No Comments READ MORE +

Is the following description correct?

Is the following description correct? The minimum transmit rate in the ADSL/ADSL2+ parameter indicates the minimum transmit rate that must be reached in the direction after the line is activated. If the maximum is set too large, the modem cannot be activated normally.A . TrueB . FalseView AnswerAnswer: A

December 2, 2018 No Comments READ MORE +

When locating an XDSL fault, which of the following is not the reason that users of the entire frame device cannot access the Internet?

When locating an XDSL fault, which of the following is not the reason that users of the entire frame device cannot access the Internet?A . The device's main control board is faultyB . CyberattacksC . Power Supply ProblemsD . Some XDSL board failuresView AnswerAnswer: D

November 24, 2018 No Comments READ MORE +

When an OLT carries TDM services, it usually configures bandwidth compensation for TDM services on the OLT.

When an OLT carries TDM services, it usually configures bandwidth compensation for TDM services on the OLT.A . TrueB . FalseView AnswerAnswer: A

November 23, 2018 No Comments READ MORE +

The MA5600T/MA5680T supports multiple traffic classification technologies. What are the currently supported traffic classification technologies? (Multiple Choice)

The MA5600T/MA5680T supports multiple traffic classification technologies. What are the currently supported traffic classification technologies? (Multiple Choice)A . User-side VLANB . User-based service encapsulation typeC . VLAN+user-side packet priorityD . VLAN+user-side service encapsulation typeView AnswerAnswer: ABCD

November 20, 2018 No Comments READ MORE +

When watching IPTV program, a video display appears. What are the possible causes? (Multiple Choice)

When watching IPTV program, a video display appears. What are the possible causes? (Multiple Choice)A . Lost some key frames during program compression;B . Some key frames were lost during line transmission;C . Speed limit was imposed on the equipment;D . The port activation rate on the MODEM is too...

November 19, 2018 No Comments READ MORE +