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