Network+ Study Guide (N10-003)

Network+ (Diagnostic Tools)

Network Monitor – Tracks usage of network resources(good for establishing a network baseline). Performance Monitor – Tracks usage of various resources over time(good for establishing a general baseline). Tone Generator – Used to test cabling. Identifies which cable or wire is being tested by generating different tones. TDR (Time Domain ...

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Network+ (Network Management)

Network Management This section discusses network management, storage and recovery concepts: VLAN – A virtual LAN is a local area network with a definition that maps workstations on some other basis than geographic location (for example, by department, type of user, or primary application). The virtual LAN controller can change ...

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Network+ (Remote Access Protocols and Services)

This section describes some of the various protocols and services used for remote and secure connections. RAS – RAS stands for “Remote Access Service”, Microsoft’s term for modem pools. This service provides dial-in access to networks and to the Internet. PPP – Point-to-point Protocol (PPP) is a method for connecting ...

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Network+ (WAN Technologies)

This section outlines some common WAN technologies you will need to know: Packet and Circuit Switching – Packet switching refers to protocols in which messages are divided into packets before they are sent. Each packet is then transmitted individually and can even follow different routes to its destination. Once all ...

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Network+ ( Troubleshooting TCP/IP)

TCP/IP offers several tools that are helpful in the troubleshooting process and provide information to help locate and correct problems. Some of these are listed below: ARP – Provides a mapping from the logical 32-bit TCP/IP address to the physical 48-bit MAC address (i.e. translates a IP address into MAC ...

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Network+ ( NAT/ICS)

NAT/ICS NAT stands for Network Address Translation and is a commonly used IP translation and mapping technology. Using a device (such as a router) or piece of software that implements NAT allows an entire home or office network to share a single internet connection over a single IP address. A ...

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Network+ (DNS)

TCP/IP networks used to use hosts files to resolve IP addresses to host names or domain names. Networks began growing to the point where the administration and the traffic needed to maintain this file became unbearable and DNS was born. A DNS client(aka resolver) sends requests to the DNS nameserver ...

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Comptia Network+ (Wins)

WINS Microsoft’s definition of WINS is “An enhanced NetBIOS Name Server(NBNS) designed by Microsoft to eliminate broadcast traffic associated with the B-node implementation of NetBIOS over TCP/IP. It is used to register NetBIOS names and resolve them to IP addesses for both local and remote hosts.” If a WINS server ...

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Comptia Network+ (NetBios)

There are several different methods of resovling names to IP addresses. Before getting into the different methods, it is important to understand the role of NetBIOS. When talking about Netbios, we typically refer to the concept of Netbios name which is the name assigned to your computer. Netbios allows applications ...

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Comptia Network+ (DHCP)

DHCP stands for Dynamic Host Configuration Protocol and provides a solution that automatically assigns IP addresses to computers on a network. When a client is configured to receive an IP address automatically, It will send out a broadcast to the DHCP server requesting an address. The server will then issue ...

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