2025 WGU D315 NETWORK AND SECURITY
FOUNDATION TEST BANK FOR OBJECTIVE
ASSESSMENT PREPARATION CONTAINS 250
QUESTIONS AND CORRECT VERIFIED
ANSWERS/D315 OA PRACTICE QS & AS
Incorporates a unique address that identifies the computer's network - ANSWER-
Internet Protocol (IP)
Who assigns IP network numbers? - ANSWER-Internet Assigned Numbers
Authority (IANA)
How many bits are in an IP address? - ANSWER-32
Identifies on which network the computer is located and differentiates the
computer from all other devices on the same network - ANSWER-IP address
How many bit parts are each IP address divided into? - ANSWER-four 8 bit parts
What are class A ip addresses used for? - ANSWER-governments and very large
networks
What is the maximum number of hosts for a class A ip address? - ANSWER-
16,777 or 2^24
What are class B ip addresses used for? - ANSWER-midsize companies,
universities
pg. 1
,What are the maximum number of hosts on a class B ip address? - ANSWER-
65,534 or 2^16
What are class C ip addresses used for? - ANSWER-small networks
What are the maximum number of hosts for a class C IP address? - ANSWER-254
or 2^8
What are class D ip addresses used for? - ANSWER-reserved for multicast groups
What do class A ip addresses begin with? - ANSWER-0 thru 127
What do class B ip addresses begin with? - ANSWER-128 thru 191
What do class C ip address begin with? - ANSWER-192 thru 223
what do class D ip addresses begin with? - ANSWER-224 thru 239
The first set of numbers in an IP address are what? - ANSWER-the network
number
What does the network number do? - ANSWER-defines which network the IP
packet is originating from or being delivered to
What are the last three sets of numbers in an IP address? - ANSWER-the Host
number
pg. 2
,The Host number is also called what? - ANSWER-the Host address
The portion of the IP address that defines the address of the networking device that
is connected to the network - ANSWER-The Host number
What do the network number and the host number do when they are together? -
ANSWER-display which network an IP packet is coming from or going to, and
which device on that network an IP packet is coming from or going to.
Who assigns the host number? - ANSWER-the local network system administrator
or your Internet Service Provider (ISP)
ipconfig in the command prompt will display what? - ANSWER-the IP address for
your computer
IP addresses set aside for use in a private intranet - ANSWER-Private address
An internal Internetwork that provides file and resource sharing - ANSWER-
intranet
Why can't private addresses be used on the internet? - ANSWER-They are invalid
addresses reserved for internal use and are not routable on the internet.
Can be used within a private LAN (intranet) to create an IP Internetwork -
ANSWER-private addresses
pg. 3
, uses IP addressing for indentifying devices connected to the network - ANSWER-
IP Internetwork
Is also the addressing scheme used in TCP/IP networks - ANSWER-IP
Internetwork
Transmission Control Protocol/Internet Protocol - ANSWER-TCP/IP
the protocol suite used for Internetworks such as the Internet - ANSWER-TCP/IP
Uses cables and connectors to establish the network connection - ANSWER-wired
network
uses radio signals to establish the network connection - ANSWER-wireless
network
What is the most common home network configuration? - ANSWER-wireless
network
What are the advantages of a wired network? - ANSWER-"1. faster network data
transfer speedds (within the LAN)
2. relatively inexpensive to set up
3. network is not susceptible to outside interference"
What are the disadvantages of a wired network? - ANSWER-"1. Cable connections
typically require the use of specialized tools
2. the cable installation can be labor intensive
3. The cable installation can be expensive"
pg. 4
FOUNDATION TEST BANK FOR OBJECTIVE
ASSESSMENT PREPARATION CONTAINS 250
QUESTIONS AND CORRECT VERIFIED
ANSWERS/D315 OA PRACTICE QS & AS
Incorporates a unique address that identifies the computer's network - ANSWER-
Internet Protocol (IP)
Who assigns IP network numbers? - ANSWER-Internet Assigned Numbers
Authority (IANA)
How many bits are in an IP address? - ANSWER-32
Identifies on which network the computer is located and differentiates the
computer from all other devices on the same network - ANSWER-IP address
How many bit parts are each IP address divided into? - ANSWER-four 8 bit parts
What are class A ip addresses used for? - ANSWER-governments and very large
networks
What is the maximum number of hosts for a class A ip address? - ANSWER-
16,777 or 2^24
What are class B ip addresses used for? - ANSWER-midsize companies,
universities
pg. 1
,What are the maximum number of hosts on a class B ip address? - ANSWER-
65,534 or 2^16
What are class C ip addresses used for? - ANSWER-small networks
What are the maximum number of hosts for a class C IP address? - ANSWER-254
or 2^8
What are class D ip addresses used for? - ANSWER-reserved for multicast groups
What do class A ip addresses begin with? - ANSWER-0 thru 127
What do class B ip addresses begin with? - ANSWER-128 thru 191
What do class C ip address begin with? - ANSWER-192 thru 223
what do class D ip addresses begin with? - ANSWER-224 thru 239
The first set of numbers in an IP address are what? - ANSWER-the network
number
What does the network number do? - ANSWER-defines which network the IP
packet is originating from or being delivered to
What are the last three sets of numbers in an IP address? - ANSWER-the Host
number
pg. 2
,The Host number is also called what? - ANSWER-the Host address
The portion of the IP address that defines the address of the networking device that
is connected to the network - ANSWER-The Host number
What do the network number and the host number do when they are together? -
ANSWER-display which network an IP packet is coming from or going to, and
which device on that network an IP packet is coming from or going to.
Who assigns the host number? - ANSWER-the local network system administrator
or your Internet Service Provider (ISP)
ipconfig in the command prompt will display what? - ANSWER-the IP address for
your computer
IP addresses set aside for use in a private intranet - ANSWER-Private address
An internal Internetwork that provides file and resource sharing - ANSWER-
intranet
Why can't private addresses be used on the internet? - ANSWER-They are invalid
addresses reserved for internal use and are not routable on the internet.
Can be used within a private LAN (intranet) to create an IP Internetwork -
ANSWER-private addresses
pg. 3
, uses IP addressing for indentifying devices connected to the network - ANSWER-
IP Internetwork
Is also the addressing scheme used in TCP/IP networks - ANSWER-IP
Internetwork
Transmission Control Protocol/Internet Protocol - ANSWER-TCP/IP
the protocol suite used for Internetworks such as the Internet - ANSWER-TCP/IP
Uses cables and connectors to establish the network connection - ANSWER-wired
network
uses radio signals to establish the network connection - ANSWER-wireless
network
What is the most common home network configuration? - ANSWER-wireless
network
What are the advantages of a wired network? - ANSWER-"1. faster network data
transfer speedds (within the LAN)
2. relatively inexpensive to set up
3. network is not susceptible to outside interference"
What are the disadvantages of a wired network? - ANSWER-"1. Cable connections
typically require the use of specialized tools
2. the cable installation can be labor intensive
3. The cable installation can be expensive"
pg. 4
