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
