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A standard method or format for communication between network devices.


A suite of networking protocols that includes TCP, IP, UDP, and many others.

TCP/IP (Transmission Control Protocol/Internet Protocol)

The specialized protocols that work together and belong to a protol suite.


How many layers are in the TCP/IP?

4 Layers: Application, Transport, Internet, and Network Interface

The major subprotocols of the TCP/IP suite, including IP, TCP, and UDP.

TCP/IP Core Protocols

A core protocol of the TCP/IP suite.

TCP (Transmission Control Protocol)

TCP belongs to the Transport layer and provides reliable data delivery services.

A core protocol in the TCP/IP suite that sits in the Transport layer of the OSI model.

UDP (User Datagram Protocol)

A connectionless transport service.

To traverse more than one LAN segment and more than one type of network through a router


Data are formed into packets known as ___.


Unreliable, connectionless protocol, which means that it does not guarantee delivery of data.


Newer version of IP is...

IPv6, also known as IP next generation, or IPng.

In IPv4 addressing, a 32-bit number that, when combined with a device's IP address, indicates what kind of subnet the device belongs to.

Subnet Mask

The local host name plus its domain name.


If your network does not need or use APIPA, it must be uninstalled to avoid conflicts.


In the TCP/IP protocol suite, ____ is the core protocol responsible for logical addressing.


____ is more efficient than TCP for carrying messages that fit within one data packet.


How many bytes are used for an IPv4 address?


In the domain name, ____ is the top-level domain (TLD).


In IPv4 addressing, a node with an IP address of belongs to a Class ____ network.


Ports ranging from 0 to 1023; assigned to processes that only the operating system or an administrator of the system can access.

Well Known Ports

Any hosts on the Internet that need to look up domain name information.


You issue a transmission from your workstation to the following socket address on your LAN: Assuming your network uses standard port designations, what Application layer protocol are you using?


A(n) ____ address represents any one interface from a group of interfaces, any one of which can accept a transmission.


On a client/server network running TCP/IPv4, what computer initiates the process of assigning an IP address through DHCP?

The Client

The format of ARP tables is the same from one operating system to another.


____ ARP table entries are created when a client makes an ARP request that cannot be satisfied by data already in the ARP table.


A UDP header contains ____fields.


In IPv6, each address contains a(n) ____, or a variable-length field at the beginning of the address that indicates what type of address it is.

Format Prefix

Ports ranging from 49152 through 65535; open for use without restriction.

Dynamic Ports

At a minimum, what fields would you find in a hosts file?

IP address and host name

Which of the following DNS records identifies a mail server?

mail1 IN MX

In most cases, BOOTP has been surpassed by the more sophisticated IP addressing utility, ____.


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