Flex Ethernet在OSI()之间的中间层增加FlexE Shim层
A.L1/L2
B.L2/L3
C.L1/L3
D.PCS/PMA
A.L1/L2
B.L2/L3
C.L1/L3
D.PCS/PMA
(71) is a channel's capacity which directly reflects the data transfer rate of the channel.
(72) is an interior gateway protocol that uses a distance vector algorithm to propagate routing information.
(73) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.
(74) is a transfer mode in which all types of information are organized into fixed form. cells on an asynchronous or non-periodic basis over a range of media.
Ethernet is the popular LAN developed under the direction of the (75).
A.The delay
B.The volume
C.The noise
D.The bandwidth
以下描述中,(30)是OSI参考模型数据链路层的功能。
A.在信道上传输原始的比特流,实现传输数据所需要的机械、电气、功能性及过程等手段
B.检查网络拓扑,以决定传输报文的最佳路由
C.检测并纠正可能出现的错误,使之对网络层呈现一条无错线路,并且进行流量控制
D.为应用软件提供套接字接口
(61) A.TCP
B.IP
C.EIDFACT
D.HDLC
(62),(65) A.HDLC
B.ARP
C.UDP
D.FTP
(63) ~(64) A.FTP
B.ICMP
C.SMTP
D.HTTP
Fast Ethernet自动协商过程要求在多少时间内完成()。
A.50ms
B.100ms
C.500ms
D.1000ms
10Gbps Ethernet工作在()。
A)单工方式
B)半双工方式
C)全双工方式
D)自动协商方式
10Gbps Ethernet工作在()。
A.单工方式
B.半双工方式
C.全双工方式
D.自动协商方式
(16)关于Ethernet地址的描述中,下列哪个是错误的?()
A) Ethernet地址就是通常所说的MAC地址
B) MAC地址又称作局域网硬件地址
C)域名解析必然会用到MAC地址
D)局域网硬件地址存储在网卡之中