/
Untitled Flashcards
Save to my account
Sign up
Untitled Flashcards
Ch. 7.2
Study
1
Question
NAT
Answer
A technique that substitutes the public IP address of the router for the private IP address of a computer on a private network when the computer needs to communicate on the Internet.
2
Question
Neighbors
Answer
In TCP/IP version 6, two or more nodes on the same link.
3
Question
NetBIOS
Answer
A legacy suite of protocols used by Windows before TCP/IP.
4
Question
network ID
Answer
portion of an IP address to defines the network
5
Question
network interface card (NIC)
Answer
enables hosts to connect to the network and communicate with other computers.
6
Question
octet
Answer
In TCP/IP version 4, each of the four numbers that are separated by periods and make up a 32-bit IP address.
7
Question
OSI model
Answer
A model for understanding and developing computer-to-computer communication that divides networking functions among seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
8
Question
POP3
Answer
The TCP/IP protocol that an email server and client use when the client requests the downloading of email messages.
9
Question
port address
Answer
A number used to identify each client or server application running on a computer.
10
Question
protocol data unit (PDU)
Answer
A message on a TCP/IP network. These might be called a packet or frame, depending on the complexity of the message.
11
Question
proxy server
Answer
A computer that intercepts requests that a client makes of a server. They can serve up requests from a cache it maintains to improve performance, or it can filter requests to secure a large network.
12
Question
Quality of Service (QoS)
Answer
Feature used by Windows and network hardware devices to improve network performance for an application.
13
Question
Remote Desktop Protocol
Answer
The Windows protocol used by Remote Desktop and Remote Assistance utilities to connect to and control a remote computer.
14
Question
RJ-45
Answer
Port that looks like a large phone jack and is used with a twisted-pair cable to connect to a wired network adapter or other hardware device. Stands for registered jack.
15
Question
Router
Answer
Device that manages traffic between two more networks and can help find the best path for traffic to get from one network to another.
16
Question
Secure Shell (SSH)
Answer
A protocol used to pass login information to a remote computer and control that computer over a network using encryption.
17
Question
Server Message Block (SMB)
Answer
A protocol used by Windows to share files and printers on a network.
18
Question
Simple Network Management Protocol (SNMP)
Answer
A versatile TCP/IP protocol used to monitor network traffic and manage network devices.
19
Question
SMTP
Answer
A TCP/IP protocol used by email clients to send email messages to an email server and on to the recipient's email server.
20
Question
static IP address
Answer
Permanent IP address that is manually assigned to a computer or other device.
21
Question
subnet ID
Answer
In TCP/IP version 6, the last block (16 bits) in the 64-bit prefix of an IP address.
22
Question
subnet mask
Answer
In TCP/IP version 4, 32 bits that include a series of ones followed by zeros. 1s identify network portion of IP address, and 0s identify host portion of IP address. Tells Windows if remote computer is on the same or different network.
23
Question
switch
Answer
A computer networking device that connects network segments (Layer 2).
24
Question
TCP
Answer
The protocol in the TCP/IP suite of protocols that works at the OSI Transport layer, establishes a session or connection between parties, and guarantees packet delivery.
25
Question
TCP/IP
Answer
Group or suite of protocols used for almost all networks, including the Internet. TCP is responsible for error-checking transmissions and IP is responsible for routing.
26
Question
TCP/IP model
Answer
In networking theory, a simple model used to divide network communication into four layers. This model is simpler than the OSI model, which uses seven layers.
27
Question
Telnet
Answer
A TCP/IP protocol and application used to allow an administrator or other user to control a computer remotely.
28
Question
Trivial FTP (TFTP)
Answer
a small, simple app often used to transfer BIOS updates to firmware on routers and smartphones.
29
Question
UDP
Answer
A connectionless TCP/IP protocol that works at the OSI Transport layer and does not require a connection to send a packet or guarantee that the packet arrives at its destination. The protocol is commonly used for broadcasting to multiple nodes on a network or the Internet.
30
Question
unicast address
Answer
Using TCP/IP version 6, an IP address assigned to a single node on a network.