Network Administration and Troubleshooting
... CHAPTER 16 Backing Up and Restoring Cisco IOS Software and Configurations This chapter provides information and commands concerning the following topics: • Boot system commands • The Cisco IOS ... the router The i stands for initialize NOTE: Commands and environmental variables are case sensitive, so be sure that you have not accidentally added spaces between variables and answers CHAPTER ... local and remote authentication on the router and generates an RSA key pair This page intentionally left blank CHAPTER 20 The ping and traceroute Commands This chapter provides information and...
Ngày tải lên: 19/10/2013, 00:20
... to OracleSQL and PL/SQL 1Z0-023: Oracle8iArchitecture and Administration 1Z0-024: Oracle8iPerformance and Tuning 1Z0-025: Oracle8iBackup and Recovery 1Z0-026: Oracle8i Network Administration ... Bognar, and Steve Hahn at Johnson Controls, Inc., Bill Ebner and Mike Talbot at B.C Ziegler and Company, and Dave Hill, Doug VanHorn, and Keith Brockman at University of Wisconsin System Administration ... Performance and Tuning 57 38 67% OCP: Oracle8i™ DBA Performance Tuning and Network Administration Study Guide 1Z0025 Oracle8i: Backup and Recovery 60 34 57% OCP: Oracle8i™ DBA Architecture & Administration...
Ngày tải lên: 18/10/2013, 18:15
... to reduce network costs and improve quality of service In one urban market, a major national wireless service provider has improved network traffic loading and significantly boosted network RF ... Digivance® Simulcast Networks New Network Architecture Reduce Network Costs and Improve Quality of Service Improving Grade of Service (GOS) While ... “simulcast” mode at radiating points throughout the network This white paper describes that simulcast network architecture, network traffic loading improvements and how the team determined the number of...
Ngày tải lên: 10/12/2013, 19:15
RH253 - Red Hat Enterprise Linux Network Services and Security Administration docx
... Enterprise Linux Network Services and Security Administration Fault Analysis: Gathering Data Benefits of System Monitoring Network Monitoring Utilities Networking, a Local view Networking, a Remote ... Unit Unit - Network File Sharing Services http://www.way2download.com/linux/RH253/ (5 of 10) [2008/02/06 08:25:50 PM] RH253 - Red Hat Enterprise Linux Network Services and Security Administration ... (6 of 10) [2008/02/06 08:25:50 PM] RH253 - Red Hat Enterprise Linux Network Services and Security Administration Apache Namespace Configuration Virtual Hosts Apache Access Configuration Apache...
Ngày tải lên: 22/03/2014, 14:20
Báo cáo hóa học: " cDNA targets improve whole blood gene expression profiling and enhance detection of pharmocodynamic biomarkers: a quantitative platform analysis" ppt
... included the down regulation of MYC and up regulation of GADD45B [24] Conclusions Blood is a critical tissue for the understanding of disease and the development of disease treatments It is a ubiquitous ... to achieve and inadvertent delays in processing time can lead to processing biases that can reduce discovery power of expression profiles [12] To improve the laboratory assays and increase discovery ... indicated by triangles and ranged from 0% to 8% Yellow and magenta bars indicate tissue specific effect and globin artifact, respectively Data are on a log2 scale globin content and showed greater...
Ngày tải lên: 18/06/2014, 16:20
The Practice of System and Network Administration Second Edition phần 1 docx
... companies, and large multinational hardware and software companies On the technical side, she focused on security and networking, working with customers and helping GNAC establish its data center and ... number of network and telephone connections, and special needs Have SAs check out nonstandard equipment in advance and make notes 1.8 Assessing a Site (Due Diligence) • Connect and test network ... Networking 219 7.3.2 Things That Change in Network Design 220 Namespaces 8.1 223 224 Namespace Policies 224 8.1.2 Namespace Change Procedures 236 8.1.3 8.2 The Basics 8.1.1 Centralizing Namespace...
Ngày tải lên: 14/08/2014, 14:20
The Practice of System and Network Administration Second Edition phần 2 doc
... Services method of easing support and maintenance for a service is to use standard hardware, standard software, and standard configurations and to have documentation in a standard location Centralizing ... backups and monitoring Backups use significant amounts of bandwidth when they run, and separating that traffic from the main network means that backups won’t adversely affect customers’ use of the network ... small space is to use blade server technology A single chassis contains many slots, each of which can hold a card, or blade, that contains a CPU and memory The chassis supplies power and network and...
Ngày tải lên: 14/08/2014, 14:20
The Practice of System and Network Administration Second Edition phần 3 docx
... your network puts you in control of it Not understanding the network puts you at the mercy of its vagaries A clean architecture encompasses both physical- and logical -network topologies and the network ... LANs and campus-area networks and are sometimes useful for WANs In a ring topology, each network entity—piece of network hardware, building, or site—is connected to two others so that the network ... limiting network complexity is that a site’s network architects and senior network administrators should all be able to sketch, without aids, the key features and basic structure of the network...
Ngày tải lên: 14/08/2014, 14:20
The Practice of System and Network Administration Second Edition phần 4 docx
... incident response, and auditing It is impossible to implement security standards and have effective incident response without a central authority that implements and audits security Some companies ... had one unified network Many sites connected third parties to the network without any security As a result, a security scare occurred every few weeks at one of the offices, and the security team ... an effective security program requires a solid computer and network infrastructure that is built with security in mind Deploying security effectively requires that you have known, standard configurations;...
Ngày tải lên: 14/08/2014, 14:20
The Practice of System and Network Administration Second Edition phần 5 pps
... and mistakes can turn into security holes Systems such as sudo (Snyder, Miller et al 1986) let you manage SUID privilege on a per user and per command basis and have been analyzed by enough security ... popular e-commerce site that handles a large and ever-increasing volume of traffic, the service network is continually being updated to handle the increased demand The site’s unusual change-management ... impact Planning and testing Plan how and when to the change, how to test whether everything is working, and how and when to back out the change if there are problems Process and documentation...
Ngày tải lên: 14/08/2014, 14:20
The Practice of System and Network Administration Second Edition phần 6 doc
... case studies (Epp and Baines 1992; Ondishko 1989; Schafer 1992b; and Schwartz, Cottrell, and Dart 1994) Harlander (1994) and Miller and Morris (1996) describe useful tools and the lessons learned ... Decentralization is an attempt to improve speed and flexibility by reorganizing to increase local control and execution of a service: improving the best case Neither is always better, and neither is always ... Monitoring uses CPU and memory resources, so you don’t want your monitoring to make your service worse Security is important for monitoring systems • Within a local area network, network bandwidth is...
Ngày tải lên: 14/08/2014, 14:20
The Practice of System and Network Administration Second Edition phần 7 potx
... 25.1.2.6 Establish Storage Standards Standards help you to say no when someone shows up with random equipment and says, “Please install this for me.” If you set storage standards, people are less ... establish hardware standards for storage and file servers Make yourself available to recommend systems and to work with your customers to identify potential candidates for standards This strategy ... applied to networks, computing, and other aspects of system administration. ) The configuration of a storage service can increase its reliability In particular, certain RAID levels increase reliability,...
Ngày tải lên: 14/08/2014, 14:21
The Practice of System and Network Administration Second Edition phần 8 ppt
... department handled the WAN, remote sites had a local SA, and each department at headquarters had its own IT group to handle system and network administration At the time, the remote administration ... infrastructures rely heavily on networks and network services If the network or network services architecture is badly designed or managed, it increases SA workload, cost, and customer dissatisfaction ... Servers require regular backups, software and OS upgrades and patches, monitoring, and hardware upgrades and maintenance Some of this can be optimized and automated through techniques discussed...
Ngày tải lên: 14/08/2014, 14:21
The Practice of System and Network Administration Second Edition phần 9 pps
... understanding and appreciating their mistakes will they be able to improve When you reprimand someone, so face to face, and be timely and specific about the behavior that needs to be changed Reprimands ... delegation System administration is about controlling machines and networks, but delegation is about letting go of control and letting others be in control They are opposing skills, and therefore ... relationship and family problems, and even drug and alcohol abuse In every case, the person’s friends wished they had been called on sooner That’s what friends are for 32.2.2.8 Balance Work and Personal...
Ngày tải lên: 14/08/2014, 14:21
The Practice of System and Network Administration Second Edition phần 10 pdf
... current OS release, the current OS distribution, the current brand of computers, amount of bandwidth, and type of network topology The Staller doesn’t see the lack of technology refresh and the problems ... Agent Mail Exchanger Network- Attached Storage Network Address Translation Network Computing Devices Non-Disclosure Agreement Network Equipment Building System Network File System Network Interface ... System Administrator System Administrator’s Guild Storage-Area Network System Administration, Network, and Security Statement of Auditing Standards, No 70 Serial ATA Source Code Control System Small...
Ngày tải lên: 14/08/2014, 14:21
some solutions to improve and enhance the sustainable development of the securities market in viet nam
... command that investors use to protect their earnings to avoid losses when the price increases or decreases Selling cease order’s prices are set higher than current market price and also buying cease ... lower prices, and increased demand Student: Tran Thi Thu Huong Class TA 12 - 02 Improving and promoting the sustainable development of the securities market in Viet Nam will raise prices Security ... agencies and compliance guidelines for financial, technical and professional ethics Buying and selling securities prices are defined largely through negotiation and agreement between the buyer and...
Ngày tải lên: 14/10/2014, 01:10
Network administration
... /etc/netmasks - Chứa netmask tơng ứng với địa network IP #Network subnet masks #Unless your network is subnetted, not bother to maintain this file #Network subnet mask 134.54.0.0 255.255.255.0 ... hostname aliases 127.0.0.1 localhost 201.190.2.1 jade /etc/networks - Chứa network name ánh xạ tới địa mạng IP tơng ứng Ví dụ: # Name Network Number testnetw 201.190.2 loopback-net 127 /etc/services ... kiểu network interface card (Ví dụ 3Com 3C5x9 nh elx0) IP_address - Địa IP gán cho network interface Có thể sử dụng host name cung cấp /etc/hosts với địa IP tơng ứng netmask mask - Là subnetwork...
Ngày tải lên: 28/09/2013, 11:20
Administration and Support
... ADMINISTRATION AND SUPPORT Task 5-1 Creating a CTL Launch IIS Manager Expand the local computer and the Web Sites folder Select a Web site and view Properties Click Edit on the Directory Security tab, ... site Edit Anonymous Access and Authentication on the Directory Security tab Select Basic Authentication Save changes and close the IIS Manager 84 CHAPTER ■ ADMINISTRATION AND SUPPORT Guest access ... Login Account Save changes and close the SCA MCMS Security Issues Three security issues must be addressed: domain accounts, cookies, and object locks MCMS System Account and Domains You can only...
Ngày tải lên: 05/10/2013, 14:20
OCP: Oracle8i DBA Architecture & Administration and Backup & Recovery Study Gui
... to Oracle—SQL and PL/SQL 1Z0-023: Oracle8i—Architecture and Administration 1Z0-024: Oracle8i—Performance and Tuning 1Z0-025: Oracle8i—Backup and Recovery 1Z0-026: Oracle8i Network Administration ... Certification Understanding RDBMS concepts Writing queries and manipulating data Creating and managing users and database objects Understanding PL/SQL programming and constructs Understanding Oracle ... Architecture & Administration and Backup & Recovery Study Guide 1Z0-026 Oracle8i: Network Administration 59 41 71% OCP: Oracle8i™ DBA Performance Tuning and Network Administration Study Guide Exam...
Ngày tải lên: 16/10/2013, 13:15
Controlling Network Access and Use
... the permitted subcommands In subcommand mode, you can enter object grouping subcommands as well as all other PIX Firewall commands including show commands and clear commands When you enter any ... pix(config -network) # exit pix(config)# object-group network TrustedHosts pix(config -network) # network- object host sjc.eng.ftp pix(config -network) # network- object host 201.165.201.1 pix(config -network) # ... or network global address that you specified with the static command statement For a host address, precede the address with host; for networks, specify the network address and the appropriate network...
Ngày tải lên: 19/10/2013, 02:15