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Which of the following boards supports QinQ function?
Which of the following boards supports QinQ function?A . EFT8B . EGT2C . EMS4D . EMR2View AnswerAnswer: C
Which of the following databases is used by U2000 on PC/WIN2003?
Which of the following databases is used by U2000 on PC/WIN2003?A . SybaseB . Microsoft SQL Server 2000C . FoxProD . DB2View AnswerAnswer: B
The SDH frame structure is a rectangular block frame based on which of the following options?
The SDH frame structure is a rectangular block frame based on which of the following options?A . BytesB . BitC . Block D frameView AnswerAnswer: A
The negative adjustment position of the TU pointer is at which of the following bytes?
The negative adjustment position of the TU pointer is at which of the following bytes?A . V1B . V2C . V3D . V4View AnswerAnswer: C
Which of the following is not included in the basic architecture of MPLS L2VPN?
Which of the following is not included in the basic architecture of MPLS L2VPN?A . ACB . VCC . TunnelD . S-VLANView AnswerAnswer: D
If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, half-duplex may be used instead of full-duplex.
If a network port that supports auto-negotiation is connected to a network port that does not support auto-negotiation, half-duplex may be used instead of full-duplex.A . TrueB . FalseView AnswerAnswer: A
The current sparse wavelength division multiplexing system generally operates in the band from 1271nm to 1611nm. Which of the following is the channel spacing?
The current sparse wavelength division multiplexing system generally operates in the band from 1271nm to 1611nm. Which of the following is the channel spacing?A . 10nmB . 5nmC . 20nmD . 18nmView AnswerAnswer: C
Which of the following is the database used by U2000 on PC/WIN2003?
Which of the following is the database used by U2000 on PC/WIN2003?A . Sybase B. Microsoft SQL Server 2000 C. Foxpro D. DB2View AnswerAnswer: B
The maximum transmission distance of Ethernet depends on factors such as line quality and signal attenuation .
The maximum transmission distance of Ethernet depends on factors such as line quality and signal attenuation .A . True B. FalseView AnswerAnswer: A %X
QinQ technology is a technology of VLAN nesting. QinQ complies with IEEE 802.1q recommendations, and it is also a technology of VLAN extension.
QinQ technology is a technology of VLAN nesting. QinQ complies with IEEE 802.1q recommendations, and it is also a technology of VLAN extension.A . True B. FalseView AnswerAnswer: B
