搜题请搜索小程序“爱下问搜题”
问题 选择题

How I wish every family ______ a large house with a beautiful garden.

[      ]

A. has

B. had

C. will have

D. had had

答案

答案：B

单项选择题

世界上第一条现代化高速铁路是在（）修建。

A.英国

B.美国

C.日本

D.法国
查看答案
单项选择题

Serialization delay and (1) delay are the two components of network delay that are improved by increasing bandwidth. Serialization delay, i.e. the amount of time it takes to put the (2) on the wire, and queuing delay (depth of the queue) are improved by increasing the (3) from a 128Kbps circuit to a T1. However, three other components of delay, routing/switching delay, distance delay, and protocol delay are components that can not be positively affected by an (4) in bandwidth. If the circuits are not over-utilized, then increasing the bandwidth to improve the (5) of the application will only result in an increased bandwidth with no positive effects on performance.

（1）是（）

A.buffering

B.queuing

C.receiving

D.timing
查看答案