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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2021/6/19)
試題1: Virtualization is an approach to IT that pools and shares (1) so that utilization is optimized and supplies automatically meet demand. Traditional IT environments are often silos, where both technology and human (2) are aligned around an application or business function. With a virtualized (3) , people, processes, and technology are focused on meeting service levels, (4) is allocated dynamically, resources are optimized, and the entire infrastructure is simplified and flexible. We offer a broad spectrum of virtualization (5) that allows customers to choose the most appropriate path and optimization focus for their IT infrastructure resources.
(1)A、advantages
B、resources
C、benefits
D、precedents
(2)A、profits
B、costs
C、resources
D、powers
(3)A、system
B、infrastructure
C、hardware
D、link
(4)A、content
B、position
C、power
D、capacity
(5)A、solutions
B、networks
C、interfaces
D、connections
以下的命令中,可以為交換機配置默認網(wǎng)關(guān)地址的是 ( ) 。
A、2950(config)# default-gateway 192.168.1.254
B、2950(config-if)# default-gateway 192.168.1.254
C、2950(config)#ip default-gateway 192.168.1.254
D、2950(config-if)#ip default-gateway 192.168.1.254
快速以太網(wǎng)物理層規(guī)范100BASE-TX規(guī)定使用 ( ) 。
A、1對5類UTP,支持10M/100M自動協(xié)商
B、1對5類UTP,不支持10M/100M自動協(xié)商
C、2對5類UTP,支持10M/100M自動協(xié)商
D、2對5類UTP,不支持10M/100M自動協(xié)商
某網(wǎng)絡(luò)工程計劃圖如下所示,邊上的標記為任務(wù)編碼及其需要的完成時間(天),則整個工程的工期為 ( ) 。
A、16
B、17
C、18
D、21
內(nèi)存采用段式存儲管理有許多優(yōu)點,但 ( ) 不是其優(yōu)點。
A、分段是信息邏輯單位,用戶不可見
B、各段程序的修改互不影響
C、地址變換速度快、內(nèi)存碎片少
D、便于多道程序共享主存的某些段
The Border Gateway Protocol(BGP) is an interautonomous system (1) protocol. The primary function of a BGP speaking system is to exchange network (2) information with other BGP system. This network reachability information includes information on the list of Autonomous System(ASs) that reachability information traverses. BGP-4 provides a new set of mechanisms for supporting (3) interdomain routing. These mechanisms include support for advertising an IP (4) and eliminate the concept of network class within BGP. BGP-4 also introduces mechanisms that allow aggregation of routes, including (5) of AS paths. These changes provide support for the proposed supernetting scheme.
(1)A、connecting
B、resolving
C、routing
D、supernetting
(2)A、secubility
B、reachability
C、capability
D、reliability
(3)A、answerless
B、connectionless
C、confirmless
D、classless
(4)A、prefix
B、suffix
C、infix
D、reflex
(5)A、reservation
B、relation
C、aggregation
D、connection
在Windows中運行 (1) 命令后得到如下圖所示的結(jié)果,該命令的作用是 (2) 。
(1)A、ipconfig/all
B、ping
C、netstat
D、nslookup
(2)A查看當前TCP/IP配置信息
B、測試與目的主機的連通性
C、顯示當前所有連接及狀態(tài)信息
D、查看當前DNS服務(wù)器
IEEE 802.11采用了CSMA/CA協(xié)議,下面關(guān)于這個協(xié)議的描述中錯誤的是 ( ) 。
A、各個發(fā)送站在兩次幀間隔(IFS)之間進行競爭發(fā)送
B、每一個發(fā)送站維持一個后退計數(shù)器并監(jiān)聽網(wǎng)絡(luò)上的通信
C、各個發(fā)送站按業(yè)務(wù)的優(yōu)先級獲得不同的發(fā)送機會
D、CSMA/CA協(xié)議適用于突發(fā)性業(yè)務(wù)
在Linux系統(tǒng)中,為某一個文件在另外一個位置建立文件連接的命令為 ( ) 。
A、ln
B、vi
C、locatek
D、cat
IGRP協(xié)議的路由度量包括多種因素,但是一般情況下可以簡化為 ( ) 。
A、可靠性
B、帶寬
C、跳步數(shù)
D、MTU
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