题目内容

在TCP/IP 协议簇中, (24) 协议属于网络层的无连接协议。
(24)A. IP B. SMTP C. SNMP D. TCP

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WebSQL is a SQL-like (71) language for extracting information from the web. Its
capabilities for performing navigation of web (72) make it a useful tool for automating
several web-related tasks that require the systematic processing of either all the links in a
(73) , all the pages that can be reached from a given URL through (74) that match a
pattern, or a combination of both. WebSQL also provides transparent access to index servers that
can be queried via the Common (75) Interface.
(71)A. query B. transaction C. communication D. programming
(72)A. browsers B. servers C. hypertexts D. clients
(73)A. hypertext B. page C. protocol D. operation
(74)A. paths B. chips C. tools D. directories
(75)A. Router B. Device C. Computer D. Gateway

在同步数字系列(SDH)标准中,STM-64 的数据速率为 (22) 。
(22)A. 622 Mb/s B. 1.5G b/s C. 10G b/s D. 100G b/s

划分 VLAN 的方法有多种,这些方法中不包括(56) 。
(56)

A. 根据端口划分
B. 根据路由设备划分
C. 根据MAC 地址划分
D. 根据IP 地址划分

无线设备加入无线局域网服务区时首先要进行的工作步骤是 (35) 。
(35)A. 漫游 B. 关联 C. 扫频 D. 重关联

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