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02-ip地址及其规划1(02-ip address and its planning 1)
02-ip地址及其规划1(02-ip address and its planning 1)
I. Basic test questions of computer network
1. about the broadband metropolitan area network technology description, the error is (A)) broadband metropolitan area network to ensure the main technology of QoS RSVP, DiffServ and MPLS) B broadband metropolitan area network with network management refers to the use of network management protocol SNMP based network management system C) broadband metropolitan area network can provide guaranteed bandwidth for users traffic engineering, D) broadband metropolitan area network can solve the problem of shortage of IP address by NAT Technology
The following 2. characteristics about access technology in the description of the error is (A)) long distance wireless broadband access network using the standard 802.15.4 B Cable Modem) method using frequency division multiplexing, the channel is divided into uplink channel and downlink channel C) optical fiber transmission system of relay distance can reach more than 100km D ADSL) technology with asymmetric bandwidth characteristic
3. the following about RPR technical description, the error is RPR (A)) ring can realize self-healing B in 50ms) every node in the RPR ring are the implementation of DPT fairness algorithm C) RPR ring along the fiber ring clockwise transmission is called D) the outer ring of the inner ring and the outer ring can be RPR the transmission of data packets and control packets
4. the following does not belong to broadband metropolitan area network, QoS guarantee technology is (), A, RSVP, B, DiffServ, C, MPLS, WIMAX, D)
On the following 5. man Technology (A) is the correct description of the same size) the construction of broadband metropolitan area network, using 10G optical Ethernet SONET and ATM B) higher than the cost of a RoR is used directly in the optical fiber transmission, IP packet transmission technology C) early SONETSDH is not suitable for the transmission of IP packets D) DPT proposed by Cisco company
Th
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