» Từ khóa: internet security

Chapter 11 - TCP/IP configuration. In this chapter, students will be able to understand: Routers receive packets and use the most efficient path to forward them to their destinations, complex internetworks can have redundant routers that provide multiple paths to the same destination, routers store information about the network in a routing table,...

 23 p vimaru 29/04/2016 1655 6 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, TCP/IP configuration, Routing principles

Chapter 10 - TCP/IP Applications. Chapter summary: Bridges selectively relay packets between network segments, depending on their data-link layer destination addresses; bridges maintain a single broadcast domain and create separate collision domains; switches improve on the function of bridges by forwarding packets only to their destination systems;...and other contents.

 22 p vimaru 29/04/2016 1488 4 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, Transparent bridging, Bridge types

Chapter 13 - Network security. In this chapter, students will be able to understand: Password policies ensure that users choose effective passwords; user-level security requires a separate account for each user; in share-level security, all users access shares by using the same passwords; a firewall is a hardware or software product that protects a network from unauthorized access, using techniques such as packet filtering, NAT, or proxy...

 28 p vimaru 29/04/2016 1586 8 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, Network security, Password protection

Chapter 16 - Network maintenance. In this chapter, students will be able to understand: Magnetic tape is the most popular storage medium for backups; backup software enables you to select the data you want to back up and sends it to the device you use for backups; daily backup jobs can be full backups, incremental backups, or differential backups;...

 34 p vimaru 29/04/2016 1595 6 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, Network maintenance, Software upgrades

Chapter 14 - Planning the network. This chapter includes contents: Why does the organization want a new network installed? What services does the organization want the network to provide? Evaluating the installation site, evaluating distances between components, environmental conditions,...

 31 p vimaru 29/04/2016 1559 7 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, Planning the network, Determining network needs

Chapter 12 - Remote network access. This chapter includes contents: Types of remote network connections, public switched telephone network (PSTN), modems, modem communications, configuring a modem, Virtual Private Network (VPN) communications,...

 32 p vimaru 29/04/2016 1551 3 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, WAN technologies, Virtual Private Network

Chapter 17 - Network troubleshooting procedures. Chapter summary: Computers have a variety of ports, some of which are implemented by the motherboard and others by expansion cards; computers use many different types of connectors fortheir various interfaces, and in some cases the same connector type can provide different functions; SCSI host adapters can use any one of several types of connectors, which are not interchangeable;...

 38 p vimaru 29/04/2016 1574 8 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, Network troubleshooting procedures, Identifying network components

Chapter 15 - Installing a network. Chapter summary: External unshielded twisted pair (UTP) cable installations use prefabricated cables to connect computers directly to hubs; internal cable installations use bulk cable, which you pull through walls, ceilings, or floors; to connect two computers without a hub, you must use a crossover cable connection, which reverses the transmit and receive signals;...

 39 p vimaru 29/04/2016 1535 6 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, External installations, Pulling cable

Chapter 18 - Network troubleshooting tools. This chapter includes contents: Documentation and resources, logs and indicators, network testing and monitoring tools, product documentation, CD-ROM documentation formats,...

 49 p vimaru 29/04/2016 1465 7 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, Network troubleshooting tools, Online resources

Chapter 19 - Network troubleshooting scenarios. Chapter overview: Introduction to network troubleshooting, incident administration, gathering information, possible causes: Internet router problem, internet communication problem, domain Name System (DNS) failure, local area network (LAN) communication problem, computer configuration problem, user error.

 29 p vimaru 29/04/2016 1443 15 Download

Từ khóa: Lecture Network+, Internet protocol, Network security, Network troubleshooting, Incident administration, Network troubleshooting scenarios

In this chapter, you will learn to: Differentiate between two categories of cryptography schemes; understand four aspects of security; understand the concept of digital signature; understand the role of key management in entity authentication; know how and where IPSec, TLS, and PPG provide security.

 41 p vimaru 29/04/2016 1445 16 Download

Từ khóa: TCP-IP protocol suite, Lecture TCP-IP protocol suite, Network layer, Internet protocol, Internet security, Digital signature