CNT 120 Q3
Select 3 common Top Level Domains.
.com, .net, .edu
A MAC Address is actually comprised of 2 parts. Match the correct piece of the following MAC address with the correct part of the address. 00:0a:95:9d:68:16 ____ Extension or Device ID ____ OUI, Block or Company ID
1. 00:0a:95 2. 9d:68:16
An IPv6 address is a _____ bit number that is composed of eight blocks of hexadecimal numbers.
128
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).
32
stores the name-to-address mapping for a host - using IPv4 Addresses
A record
stores the name-to-address mapping for a host - using IPv6 Addresses
AAAA record
The following IP address: 169.254.0.23 is an example of what TYPE of IP address?
APIPA Address
67 & 68
DHCP
A _________ Server manages the dynamic distribution of IP addresses to devices on a network.
DHCP
The area between firewalls is called a _______.
DMZ
53
DNS
_____ is an application layer client-server system of computers and databases designed to associate computer names with IP Addresses.
DNS
2000:: /3
Global unicast
80
HTTP
443
HTTPS
This portion of the following: dbrown is an example of a __________________.
Host Name
The organization responsible for tracking the assignment of port #'s, domain names, and IP Addresses is __________.
IANA
The Network Layer address is more commonly called the ______ Address.
IP
FC00:: /7 FD00:: /8
Unique local unicast
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.
dig
When a network is configured for both IPv4 and IPv6 protocols, the network is said to be ____________.
dual stacked
automatically assigned by by DHCP server when computer connects to network
dynamic IP address
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.
Do Not Forward
MAC Addresses are used for communication ____________ a network, an IP Address is required in order for a device to communicate _________ its local network through a gateway device such as a router. 1. inside 2. outside
1. MAC Address 2. IP Address
This portion of the following: hacc.edu is an example of a __________________.
Domain Name
This portion of the following: dbrown.hacc.edu is an example of a __________________.
FQDN
20 & 21
FTP
________ is a method used by IPv6 to transport IPv6 packets through or over an IPv4 network.
Tunneling
A _______ is a dedicated device or software on a computer that selectively filters or blocks traffic between networks.
firewall
When dealing with IPv6 Addresses: A(n) ________ address can be routed on the Internet and is similar to public IPv4 addresses.
global
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.
ipconfig
displays the currently assigned IP address
ipconfig
displays the currently assigned IP address, the address of the DNS server, DHCP leasing information, and the MAC address of the NIC
ipconfig /all
any dynamically assigned IP address lease is cleared
ipconfig /release
re-establishes a dynamically assigned IP address lease from the DHCP server
ipconfig /renew
When dealing with IPv6 Addresses: A(n) ________ address can be used for communicating with nodes in the same link, and is similar to an autoconfigured APIPA address in IPv4.
link local
The _______ command used to verify that TCP/IP is installed, bound to the NIC, configured correctly, and communicating with the network.
ping
continue pinging until interrupted
ping -t
ping the loopback of a node to determine whether your workstations TCP/IP services are running
ping 127.0.0.1
ping a host using its host name to verify you have connectivity between the nodes
ping www.google.com
ping an IPv6 address from a Linux computer
ping6
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.
private
Class A, B and C licensed IP addresses are available for use on the Internet and are therefore called ____________ IP addresses.
public
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)
socket
manually assigned by network administrator
static IP address
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.
subnet mask
The following IP address: 224.0.0.10 is an example of what class of IP address?
Class D
The following IP address: 128.60.123.201 is an example of what class of IP address?
Class B
The following Subnet Mask: 255.255.0.0 is the default Subnet Mask for what class of IP Address?
Class B
The following IP address: 193.160.223.1 is an example of what class of IP address?
Class C
The following Subnet Mask: 255.255.255.0 is the default Subnet Mask for what class of IP Address?
Class C
The most popular DNS server software is ________ which is free, open source software that runs on Linux, UNIX and Windows platforms.
BIND
The following IP address: 255.255.255.255 is an example of what TYPE of IP address?
Broadcast
The following IP address: 192.168.0.35 is an example of what type of IP address?
Broadcast Address
holds alternative names for a host
CNAME record
The following IP address: 125.50.83.21 is an example of what class of IP address?
Class A
The following Subnet Mask: 255.0.0.0 is the default Subnet Mask for what class of IP Address?
Class A
A _______ Address is assigned to nearly every interface, which is a network connection made by a node on a network. An _____ Address has 32 Bits and is written as 4 decimal numbers separated by dots.
IPv4
The Red Arrow that is on the bottom 1/2 of the screen is pointing to what type of address? inet 10.0.0.10
IPv4 Address
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.
IPv6
The Red Arrow that is on the bottom 1/2 of the screen is pointing to what type of address? inet6 fe80::8a1f:a1ff:fe0d:6b24%
IPv6 Address
FF00:: /8
Multicast
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)
Iterative
FE80:: /64
Link Local unicast
The following IP address: 127.0.0.1 is an example of what TYPE of IP address?
Loopback Address
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.
MAC
The Data Link Layer address is more commonly called the ______ Address.
MAC
The Red Arrow that is on the bottom 1/2 of the screen is pointing to what type of address?ether 88:1f:a1:0d:6b:24
MAC Address
identifies a mail server and is used for email traffic
MX record
_______ 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.
NAT
123
NTP
The _______protocol is used to synchronize clocks on computers throughout a network.
NTP
_______ is a process of assigning a TCP port number to each ongoing session between a local host and Internet host.
PAT
110
POP3
used for reverse lookups - when you know the IP and need the Name
PTR record
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.
Port
____________ ensure that data is transmitted to the correct application among other applications running on a computer.
Port numbers
The following IP address: 10.0.0.35 is an example of what type of IP address?
Private IP Address
The following IP address: 172.16.0.35 is an example of what type of IP address?
Private IP Address
a query that demands a resolution or the answer "It can't be found"
Recursive
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)
SIP
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.
SMB
25
SMTP
22
SSH
The following number: 192.168.100.50:23 Is an example of which of the following choices?
Socket
23
TELNET
The _______protocol is most commonly used by computers as they are booting up to request configuration files from another computer on the local network.
TFTP
Using the following example of: dbrown.hacc.edu This portion of the following: .edu is an example of a __________________.
TLD
The _____ field identifies how long a record should be saved in cache on a server.
TTL
The _________ is the address of a computer, router, or other device that a host uses to access another network.
default gateway
When dealing with IPv6 Addresses: A(n) ________ address can identify multiple destinations, with packets delivered to the closest destination (closet DNS server for example)
anycast
UNIX or Linux command to view and edit the IP information on a computer
ifconfig
When dealing with IPv6 Addresses: 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).
multicast
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.
nslookup
ping an IPv6 address from a windows computer
ping -6
A ___________ is a DNS client that requests information from DNS name servers.
resolver
DNS name servers are organized in a hierarchical structure. A __________ holds information used to locate top-level domain (TLD) servers.
root server
When dealing with IPv6 Addresses: A(n) ________ address specifies a single node on a network.
unicast