(1) is a channel’s capacity which directly reflects the data transfer rate of the channel.
4 t1 b" H: P. h7 g (2)functions in a NetWare network which is used to define addressing schemes.
6 X4 K( J7 c/ c$ g J (3)is a network layer device that supports multiple LAN interfacesand segments LANs into smaller collision and broadcast domains.
/ Y5 t: A+ V1 w1 b' a (4)is the popular LAN developed under the direction of the IEEE802.3.
% n& B$ `, a; B, F x (5)is a device which enables digital microcomputers to communicate across analog telephone lines.7 ?$ I$ \/ x! d, h$ N: G7 `
(1)A.The volume
' Y# w. u U5 e( }; o% A B.The bandwidth* z5 W T: N. S; ?7 u; l0 D9 t& Y2 }+ g
C.The noise
' A: i1 A# {: `! \ D.The delay: b: L$ b: {' X1 c
(2)A.NetBEUI) ]' s# j5 y$ D
B.IP
" ]5 i5 r" j, Y+ d9 t C.IPX
. f3 T5 S. n2 D8 S9 v! w D.NCP$ m; O# V; t1 r# S. u
(3)A.The repeater8 f/ W; a& _9 O& D5 D
B.The hub/ C' Y- {. l# w: z* f$ R2 D" y
C.The bridge
, j6 X" K) A) g, f, z8 R8 V D.The muter
. \) F& H; h D (4)A.Token Ring
1 q" w- k& O+ I; z. T% P9 k B.Token Bus# ~: s- Q) E3 J5 l* ~
C.Ethernet
3 v0 ~! x/ K0 ? D.FDDI6 h0 F4 l- ~+ M2 ]% l
(5)A.The repeater# K- @8 e, G+ N
B.The modem. r+ \, W4 j/ }9 a% W
C.The hub/ h' B! v: f8 J/ R9 B; Y: s
D.The printer' ]" i6 [; ^% ]( r) i% V( V
答案:(1)B (2)C (3)D (4)C (5)B
5 R7 B% D2 x/ v1 e% X& X 解析:带宽是指信道的容量,它能够直接反映出信道数据传输速率。
) d6 M7 u. J; F3 x IPX作用在Netware网络中。目的是定义寻址方法。
) n6 Q& J& K& P 路由器是网络层设备。支持多局域网接口,并把局域网分为更小冲突域和广播域。
6 ?7 A3 F- Y1 z; Z! S9 p8 T 以太网是在IEEE802.3标准的基础上发展起来的流行网络。
: @+ j% F+ R/ ^. V 调制解调器是一种能使得数字信号通过模拟线路进行通信的设备。 |