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cisco certified network associate study guide de todd lammle

Tài liệu CCNA: Cisco Certified Network Associate Study Guide - Fourth Edition doc

Tài liệu CCNA: Cisco Certified Network Associate Study Guide - Fourth Edition doc

Chứng chỉ quốc tế

... companion for the Sybex CCNA: Cisco Certified Net-work Associate Study Guide, 4th Edition, called the Cisco 801 CCNA CertSim exam, which matches perfectly to the new Cisco CCNA 801 exam objectives. ... Internetworking By default, switches break up collision domains . This is an Ethernet term used to describe a network scenario wherein one particular device sends a packet on a network ... Test xxxv Chapter 1 Internetworking 1 Internetworking Basics 3Internetworking Models 6The Layered Approach 6Advantages of Reference Models 7The OSI Reference Model 7The Application Layer...
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CCNA Cisco Certified Network Associate_ Study Guide

CCNA Cisco Certified Network Associate_ Study Guide

Chứng chỉ quốc tế

... VLAN. Size networks. The Sybex CCDA: Cisco Certified Design Associate Study Guide (1999) is the most cost-effective way to study for and pass your CCDA exam. Cisco Certified Design Professional ... http://www.macromedia.com.This study guide and/or material is not sponsored by, endorsed by or affiliated with Cisco Systems, Inc. Catalyst®, Cisco , Cisco Systems®, Cisco IOS, Cisco Systems Networkng Academy™, CCDA™, ... knowledge to design routed LAN, routed WAN, and switched LAN and ATM LANE networks. Cisco Certified Design Associate (CCDA) To become a CCDA, you must pass the DCN (Designing Cisco Networks)...
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Study Guide Cisco Certified Network Associate 3.0 CCNA 3.0 Version 1

Study Guide Cisco Certified Network Associate 3.0 CCNA 3.0 Version 1

Chứng chỉ quốc tế

... OSI model. The OSI model permits people to understand how internetwork works and it serves as a guideline or framework for creating and implementing network standards, devices, and internetworking ... access list for a specific protocol you would identify the protocol. 640-607 www.testking.com -1- 640-607 Study Guide Cisco Certified Network Associate 3.0 CCNA 3.0 Version 1640-607 ... exam deals with the use of the CLI so will this study guide. The default configuration settings of the Catalyst Switch is as follows: IP address – 0.0.0.0 CDP – Enabled Switching mode –...
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CCNA Lab Guide v4 0 (Cisco Certified Network Associate)

CCNA Lab Guide v4 0 (Cisco Certified Network Associate)

Quản trị mạng

... được dùng để quảng bá một default “quad-zero” route nếu một default route không được cấu hình trên router đó. Chú ý: Câu lệnh default-information originate hoặc default-information originate ... http://www.vnexperts.net 43số thời gian Hello và Dead Interval. 2.8. Quảng bá Default Route Router(config)# ip route 0.0.0.0 0.0.0.0 s0/0 Tạo một default route Router(config)# router ospf 1 ... process id là 1 Router(config-router)# default-information originate Thực hiện quảng bá default route cho tất cả các router chạy OSPF. Router(config-router)# default-information originate always...
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Cisco Certified Network Associate 2.0 CCNA 2.0 Version 3.0

Cisco Certified Network Associate 2.0 CCNA 2.0 Version 3.0

Chứng chỉ quốc tế

... from network 3d for network 4a will be forwarded out e0. C. Traffic from network 3d for network 3d will be forwarded out e0. D. Traffic from network 3d, destined for network 4a, will be forwarded ... Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 332 and 345-6. Q. 10 Which devices operate at all seven layers of the OSI model? (Choose three.) A. Network host B. Network ... Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 16-17. Q. 22 Modem networks are often described as using 100Base-TX components. What is meant by the term 'Base' in this definition?...
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Cisco Certified Network Associate (CCNA)

Cisco Certified Network Associate (CCNA)

Quản trị mạng

... CertificationZone.com CiscoCert.com CiscoCertified.com Cisco IOS Router Commands Cisco Networking FAQ Cisco Systems In A Nutshell Dmitry's Technical Cisco Web Site GroupStudy.com The ... the exercises. Cisco CCNA - Links and Resources CCNA Study Resources Cramsession.com CCNAPrep.comCertificationZone.com - CCNA Study Zone GroupStudy.comNetworkStudyGuides.comNetCerts.com ... Of CCIE Keith's Cisco Reference Manual Mentor Labs NetCerts.com NetworkStudyGuides.com PC Age VirtualRack.com What to KnowOSI Reference1) Identify and describe the functions...
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Tài liệu Cisco Certified Network Associate 640-801 ICND Course Notes doc

Tài liệu Cisco Certified Network Associate 640-801 ICND Course Notes doc

Chứng chỉ quốc tế

... equipment,DTE)和数据通信装备(data communication equipment,DCE)的接口 DCE 一般位于服务商(sevice provider)而 DTE 一般是附属设备.可用的 DTE 服务通常是经由modem 或者 channel service unit/data sevice unit(CSU/DSU)来访问 hubs:其实是多端口的 repeaters,重新放大信号用,解决线路过长,信号衰减等问题. ... 1.目标服务访问点(dest SAP)字段: 1 个字节 2.源服务访问点(source SAP)字段: 1 个字节 3.控制字段:1 或 2 个字节 4.数据:大小可变 1 个 802.2 帧是由 802.3Ethernet 帧加上 LLC 信息组成,这样它就可以辨别上层协议 802.2 帧(SNAP):它有自己的协议来辨别上层协议 1.目标服务访问点(dest SAP)字段: ... 1.直通线(straight-through) 2.交叉线(crossover) 3.反转线(rolled) Straight-Through Cable 直通线用于连接: Internetworking Models 早期各个网络厂商拥有私有网络,不便于同其他厂商的网络进行通讯.于是,在 20 世纪 70 年代末期,ISO 组织创建了 OSI(Open System Interconnection)参考模型....
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Tài liệu OCA: Oracle Database 11g Administrator Certified Associate Study Guide- P1 doc

Tài liệu OCA: Oracle Database 11g Administrator Certified Associate Study Guide- P1 doc

Cơ sở dữ liệu

... line?select dept_name, avg(all salary) ,count(*) “number of employees”from emp , deptwhere deptno = dept_no and count(*) > 5group by dept_nameorder by 2 desc;A. select dept_name, avg(all ... watermark.Introduction xxixOCA/OCP Study GuidesThe Oracle Database 11g administration certification consists of three tests: two for OCA and one for OCP. Sybex offers study guides to help you achieve OCA ... 367Resolving Object References 369Creating and Managing Indexes 371How Indexes Work 371Using B-Tree Indexes 372Using Bitmap Indexes 373Dropping Indexes 373Summary 378Exam Essentials 379Review Questions...
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Tài liệu OCA: Oracle Database 11g Administrator Certified Associate Study Guide- P3 ppt

Tài liệu OCA: Oracle Database 11g Administrator Certified Associate Study Guide- P3 ppt

Cơ sở dữ liệu

... the DEPARTMENTS table based on the department number supplied at runtime.SELECT department_nameFROM departmentsWHERE department_id = &dept;Enter value for dept: 10old 3: WHERE DEPARTMENT_ID ... the ORDER BY clause. T h e ORDER BY clause is used to sort the result set from a query. You can specify ascending order or descending order for the sort. Ascending order is the default. ... order. If an ORDER BY clause is specified, by default the rows are returned by ascending order of the columns specified. If you need to sort the rows in descending order, use the keyword DESC...
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Tài liệu OCA: Oracle Database 11g Administrator Certified Associate Study Guide- P4 doc

Tài liệu OCA: Oracle Database 11g Administrator Certified Associate Study Guide- P4 doc

Cơ sở dữ liệu

... category to include all the single-row functions that don’t fit into the other categories. Some are incredibly useful, such as DECODE. DECODE is a very special func-tion and the most widely used ... I’ll discuss the BFILE datatype in Chapter 6.DECODEDECODE is a conditional function. I discussed the CASE conditional expression in Chapter 1.DECODE(x ,m1, r1 [,m2 ,r2]…[,d]) can use multiple ... ROWID datatypeCOMPOSEConverts to UnicodeCONVERTConverts from one character set to anotherDECOMPOSEDecomposes a Unicode stringHEXTORAWCasts a hexadecimal to a rawNUMTODSINTERVALConverts...
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