CNT 120 CH3

TFTP

"The _______protocol is most commonly used by computers as they are booting up to request configuration files

IPv4 Address

10.0.0.10

Private IP Address

10.0.0.35 is an example of what type of IP address?

POP3

110

NTP

123

class A

125.50.83.21 is an example of what class of IP address?

Loopback Address

127.0.0.1 is an example of what TYPE of IP address?

class b

128.60.123.201 is an example of what class of IP address?

APIPA Address

169.254.0.23 is an example of what TYPE of IP address?

Private IP Address

172.16.0.35 is an example of what type of IP address?

Private IP Address

192.168.0.35 is an example of what type of IP address?

class c

193.160.223.1 is an example of what class of IP address?

FTP

20 & 21

SSH

22

Class D

224.0.0.10 is an example of what class of IP address?

TELNET

23

SMTP

25

Class A

255.0.0.0 is the default Subnet Mask for what class of IP Address?

Class B

255.255.0.0 is the default Subnet Mask for what class of IP Address?

Class C

255.255.255.0 is the default Subnet Mask for what class of IP Address?

Broadcast

255.255.255.255 is an example of what TYPE of IP address?

.NET; .COM; .EDU

3 COMMON TOP DOMAINS

HTTPS

443

DNS

53

DHCP

67 & 68

HTTP

80

Do Not Forward

A LAN is defined as a group of computers and other devices that can directly address each other without going through a router. A LAN which consists of all the nodes a broadcast reaches, can be referred to as a broadcast domain. Routers _______________ broadcast messages, thus creating a boundary for a LAN.

48

A _______ Address is assigned to nearly every interface, which is a network connection made by a node on a network. An _____ Address has 128 Bits and is written as 8 blocks of hexadecimal numbers separated by colons.

MAC

A _______ Address is embedded on every NIC and is assumed to be unique to that NIC. It is 48 Bits in length, written as 6 HEX numbers separated by colons. Nodes on a LAN find each other by using the ______ Address.

firewall

A _______ is a dedicated device or software on a computer that selectively filters or blocks traffic between networks.

Port

A _______ is a number used by the transport layer to find an application. It identifies one application among several that might be running on a host.

DHCP

A _________ Server manages the dynamic distribution of IP addresses to devices on a network.

resolver

A ___________ is a DNS client that requests information from DNS name servers.

socket

A _________consists of host's IP address and the port number of an application running on the host, with a colon separating the 2 numbers. (Ex: 10.43.3.87:23)

global

A(n) ________ address can be routed on the Internet and is similar to public IPv4 addresses.

link local

A(n) ________ address can be used for communicating with nodes in the same link, and is similar to an autoconfigured APIPA address in IPv4.

anycast

A(n) ________ address can identify multiple destinations, with packets delivered to the closest destination (closet DNS server for example)

multicast

A(n) ________ address is used so that packets are delivered to all nodes in a specific _______ group (all routers for example .. or ... all nodes in a video conference).

unicast

A(n) ________ address specifies a single node on a network.

Recursive

DNS REQUEST-a query that demands a resolution or the answer "It can't be found"

Iterative

DNS REQUEST-a query where the local server issues queries to other servers ... and ...other servers only provide information if they have it (there is no demand for an answer)

ROOT SERVER

DNS name servers are organized in a hierarchical structure. A __________ holds information used to locate top-level domain (TLD) servers.

2000:: /3

Global unicast

ifconfig

UNIX or Linux command to view and edit the IP information on a computer

FC00:: /7

Unique local unicast

FD00:: /8

Unique local unicast

ipconfig

displays the currently assigned IP address

ipconfig /all

displays the currently assigned IP address, the address of the DNS server, DHCP leasing information, and the MAC address of the NIC

what is DHCP

dynamic host configuration protocol

32

An IPv4 address is a ____ bit number that is commonly written as a dotted decimal number (4 numbers that range from 0 to 255, and each number separated by a decimal point).

multicast

Class "D" IPv4 Addresses begin with octets 224 to 239 and are used for __________ transmissions, in which one host sends a message to multiple participants.

public

Class A, B and C licensed IP addresses are available for use on the Internet and are therefore called ____________ IP addresses.

FF00:: /8

Multicast

FE80:: /64

Link Local unicast

inside

MAC Addresses are used for communication ____________ a network,

what is a NAT

Network Address Translation (NAT) - a technique designed to conserve public IP addresses needed by a network

ipconfig

On a Windows computer, you can use the ___________ utility in a command prompt window to find out the current TCP/IP settings on that computer.

TLD

THIS PORTION OF AN ADDRESS .EDU

MAC

The Data Link Layer address is more commonly called the ______ Address.

IP

The Network Layer address is more commonly called the ______ Address.

TTL

The _____ field identifies how long a record should be saved in cache on a server.

nslookup

The _______ command allows you to query the DNS database from any computer on a network to find the host name of a device by specifying its IP address, or vice versa.

Ping

The _______ command used to verify that TCP/IP is installed, bound to the NIC, configured correctly, and communicating with the network.

dig

The _______ utility allows you to query the DNS database from any computer on a network to find the host name of a device by specifying its IP address, or vice versa. The ____ utility is available on Linux and macOS and provides more detailed information than nslookup.

subnet mask

The _________ is a 32 Bit number that identifies which portion of the IP address is the network portion, (what portion is subnet - if there is any subnetting), and what portion is host portion.

default gateway

The _________ is the address of a computer, router, or other device that a host uses to access another network.

SIP

The _______protocol is a signaling protocol used to make an initial connection between hosts but it does not participate in the data transfer during the session. (Typically used for setting up VoIP calls)

NTP

The _______protocol is used to synchronize clocks on computers throughout a network.

SMB

The _______protocol was used by earlier Windows OS for file sharing on networks. UNIX uses a version of ______ in its Samba software, which can share files with other operating systems, including windows systems.

DMZ

The area between firewalls is called a _______.

Socket

The following number: 192.168.100.50:23 Is an example of WHAT

BIND

The most popular DNS server software is ________ which is free, open source software that runs on Linux, UNIX and Windows platforms.

IANA

The organization responsible for tracking the assignment of port #'s, domain names, and IP Addresses is __________.

FQDN FULLY QUALIDIED DOMAIN NAME

This portion of an address dbrown.hacc.edu

private

To conserve its Public IP addresses, a company can use __________ IP addresses on its own personal network - that is, networks that do not directly connect to the Internet.

dual stacked

When a network is configured for both IPv4 and IPv6 protocols, the network is said to be ____________.

DNS

_____ is an application layer client-server system of computers and databases designed to associate computer names with IP Addresses.

PAT

_______ is a process of assigning a TCP port number to each ongoing session between a local host and Internet host.

NAT

_______ is a technique designed to conserve public IP addresses needed by a network. A gateway device that stands between a private network and other networks substitutes the private IP address used by computers on the private network with its own public IP address when these computers need access to other networks or the Internet.

Tunneling

________ is a method used by IPv6 to transport IPv6 packets through or over an IPv4 network.

Port numbers

____________ ensure that data is transmitted to the correct application among other applications running on a computer.

ping -t

continue pinging until interrupted

outside

an IP Address is required in order for a device to communicate _________ its local network through a gateway device such as a router.

ipconfig /release

any dynamically assigned IP address lease is cleared

dynamic IP address

automatically assigned by by DHCP server when computer connects to network

CNAME record -(CANONICAL NAME)

holds alternative names for a host

MX record (MAIL EXCHANGER)

identifies a mail server and is used for email traffic

static IP address

manually assigned by network administrator

9d:68:16

parts of a mac address - Extension ID or Device ID

00:0a:95

parts of a mac address - OUI or Block ID or Company ID

ping www.google.com

ping a host using its host name to verify you have connectivity between the nodes

ping6

ping an IPv6 address from a Linux computer

ping -6

ping an IPv6 address from a windows computer

ping 127.0.0.1

ping the loopback of a node to determine whether your workstations TCP/IP services are running

ipconfig /renew

re-establishes a dynamically assigned IP address lease from the DHCP server

A record (A ADDRESS RECORD)

stores the name-to-address mapping for a host - using IPv4 Addresses

AAAA record (ADDRESS)

stores the name-to-address mapping for a host - using IPv6 Addresses

host name

this portion of an address dbrown

E-mail Address

this portion of an address hacc.edu

PTR record (POINTER)

used for reverse lookups - when you know the IP and need the Name