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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
Which of the following alarms is not a switching condition for a two- fiber bidirectional multiplex section protection ring?
Which of the following alarms is not a switching condition for a two- fiber bidirectional multiplex section protection ring?A . R_LOS B. MS_AIS C. TU_AIS D. B2_EXCView AnswerAnswer: C
The SDH equipment can judge the quality of the clock signal according to the S 1 byte. The larger the value of S 1 is, the higher the quality of the corresponding clock is.
The SDH equipment can judge the quality of the clock signal according to the S 1 byte. The larger the value of S 1 is, the higher the quality of the corresponding clock is.A . True B. FalseView AnswerAnswer: B
Which of the following descriptions of MPLS is incorrect? (Multiple choice)
Which of the following descriptions of MPLS is incorrect? (Multiple choice)A . MPLS: Multi-protocol Label Switching, a non-standardized routing and switching technology platform B. P/PE: P (Provider) is the internal node of the MPLS network, and PE (Provider Edge) is the edge of the MPLS network c. The operation of...
OSN 3500 branch line business has strong up and down capabilities, with 16 branch line outlet slots, 504 2M, 32 E4, 117 E3/DS3, 132 STM-1e up and down subracks, providing STM-1/4/ 16/64 group rate.
OSN 3500 branch line business has strong up and down capabilities, with 16 branch line outlet slots, 504 2M, 32 E4, 117 E3/DS3, 132 STM-1e up and down subracks, providing STM-1/4/ 16/64 group rate.A . True B. FalseView AnswerAnswer: A
For the OSN6800 device, which of the following slots does not have an electrical layer crossover backplane bus?
For the OSN6800 device, which of the following slots does not have an electrical layer crossover backplane bus?A . Slot1 B. SIot9 C. SIot10 D. SIot17View AnswerAnswer: D.
FAS is the frame alignment overhead, the length is 6 bytes, and it is located in the 1st to 6th columns of the first row. The 1st to 3rd bytes are 3 OA1 bytes, and each OA1 is always "1111 0110", that is, 16 F6 in hexadecimal; the 4th to 6th bytes are 3 OA2 bytes, and each OA2 is always "0010 1000", that is, 28 in hexadecimal.
FAS is the frame alignment overhead, the length is 6 bytes, and it is located in the 1st to 6th columns of the first row. The 1st to 3rd bytes are 3 OA1 bytes, and each OA1 is always "1111 0110", that is, 16 F6 in hexadecimal; the 4th to...
Which of the following is the monitoring overhead for monitoring and reporting OTUk_DEG and OTUk_EXC alarms?
Which of the following is the monitoring overhead for monitoring and reporting OTUk_DEG and OTUk_EXC alarms?A . SM B.PM C. TCMiView AnswerAnswer: A
