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Physical port: also known as MAC port, is the external port of the board.
Physical port: also known as MAC port, is the external port of the board.A . True B. FalseView AnswerAnswer: A
Regarding the processing of data frames by the data board port, which of the following is correct? (Multiple choice)
Regarding the processing of data frames by the data board port, which of the following is correct? (Multiple choice)A . The port set as the tag Aware attribute can only discard the data without vlan tag B. Hybrid ports can realize mixed transmission of tag and untag services C. When...
The dispersion coefficient is the delay difference caused by the optical wavelength signal passing through the unit length of optical fiber in the unit wavelength interval, so which of the following is the unit of the dispersion coefficient?
The dispersion coefficient is the delay difference caused by the optical wavelength signal passing through the unit length of optical fiber in the unit wavelength interval, so which of the following is the unit of the dispersion coefficient?A . ps/nm B.ps/km C.ps/nm.km D.ps/km.nmView 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 . AC B. VC C. Tunnel D. S-VLANView AnswerAnswer: D.
Which of the following boards supports the QinQ function?
Which of the following boards supports the QinQ function?A . EFT8 B. EGT2 C.EMS4 D.EMR2View AnswerAnswer: C
