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網(wǎng)絡(luò)工程師每日一練試題內(nèi)容(2024/11/23)
試題1
使用CIDR技術(shù)把4個(gè)網(wǎng)絡(luò)100.100.0.0/18、100.100.64.0/18、100.100.128.0/18和100.100.192.0/18匯聚成一個(gè)超網(wǎng),得到的地址是 ( ) 。
A、100.100.0.0/16
B、100.100.0.0/18
C、100.100.128.0/18
D、100.100. 64.0/18
查看答案
試題參考答案:A
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題2
以下關(guān)于進(jìn)度管理工具Gantt圖的敘述中,不正確的是( )查看答案
試題參考答案:D
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題3
用戶使用ftp://zza.com訪問某文件服務(wù),默認(rèn)通過目標(biāo)端口為(1)的請(qǐng)求報(bào)文建立(2)鏈接。查看答案
試題參考答案:B、A
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題4
Networks can be interconnected by different devices.In the physical layer, networks can be connected by (1) or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data link layer. They can accept (2) , examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks, If two networks have (3) network layer, the router may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections.Finally, in the application layer, application gateways translate message (4) . As an example, gateways between Internet e-mail and X.400 e-mail must (5) the e-mail message and change various header fields.
(1)A、repeaters
B、relays
C、connectors
D、modems
(2)A、frames
B、packets
C、packages
D、cells
(3)A、special
B、dependent
C、similar
D、dissimilar
(4)A、syntax
B、semantics
C、language
D、format
(5)A、analyze
B、parse
C、delete
D、create
查看答案
試題參考答案:A、A、D、B、B
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題5
在PCM(脈沖編碼調(diào)制)中,若要對(duì)模擬信號(hào)的采樣數(shù)據(jù)進(jìn)行128級(jí)量化,那么至少需要使用的二進(jìn)制位數(shù)是( )。查看答案
試題參考答案:C
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題6
查看OSPF接口的開銷、狀態(tài)、類型、優(yōu)先級(jí)等的命令是( 1 );查看OSPF在接收?qǐng)?bào)文時(shí)出錯(cuò)記錄的命令是( 2 )。查看答案
試題參考答案:C、B
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題7
以下關(guān)于HTTPS的描述中,正確的是( )。查看答案
試題參考答案:D
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題8
屬于CPU中算術(shù)邏輯單元的部件是( )。查看答案
試題參考答案:B
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題9
在Linux中,DNS服務(wù)器的配置文件是( )。
A、/etc/hostname
B、/etc/host.conf
C、/etc/resolv.conf
D、/etc/httpd.conf
查看答案
試題參考答案:C
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
試題10
某網(wǎng)絡(luò)拓?fù)鋱D如下所示,若采用RIP協(xié)議,在路由器Rounter2上需要進(jìn)行RIP聲明的網(wǎng)絡(luò)是()。查看答案
試題參考答案:B
試題解析與討論:www.xomuzic.com/exam/ExamDay.aspx?t1=8&day=2024/11/23
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