INMT 441 Final Exam Questions and
Answers UTK
Two kind of networks: - Answer-1. computer
2. social
A (computer) network - Answer-a group of computers and other devices (such as printers, storage
devices, and smart devices) that use a set of common protocols over digital media for the purpose of
sharing resources.
Components of a computer network - Answer-1. Computers and other devices (printers, etc)
2. Transmission media (cables, signals, telephone lines)
3. Rules/protocols for communication (TCP/IP -transmission, POP3, SMTP - email, HTTP/HTTPS -
websites)
Servers - Answer-Host and serve up databases, applications, Web sites, audio and video, and other
content for access over the network
Clients - Answer-Consume hosted resources
Client/Server Architecture - Answer-other type of computers on a network
,Peers (Peer-to-Peer or P2P network) - Answer-Serve and consume resources, as both a server and a
client interacting with similar computers
Types of networks - Answer-1. Local Area Network (LAN)
2. Wide Area Network (WAN)
3. Personal Area Network (PAN)
The Internet - Answer-a large worldwide collection of networks that use a common protocol to
communicate with each other
The World Wide Web - Answer-a system of interlinked documents on the Internet
How does a Router work? - Answer-A router is a networking device that forwards data packets between
computer networks
Computer action - Answer-Test your connections: Ping and Tracert.
Try these commands in command windows:
Øping youtube.com
Øtracert youtube.com
IP address, or Internet Protocol address - Answer-a numerical label assigned to each device connected
to a computer network that uses the Internet Protocol (IP) for communication.
Check IP address(es) of your computer - Answer-Command line: ipconfig (or ipconfig/all)
,Network & Internet Settings
ipconfig
Or go to network and internet settings (right click wifi symbol on taskbar) -> go to properties
Domain name - Answer-IP address expressed in natural language, such as www.utk.edu
Domain name system (DNS) - Answer-1. Allows numeric IP addresses to be expressed in natural
language
2. A DNS server converts domain names to IP addresses
Uniform resource locator (URL) - Answer-Address used by Web browser to identify location of content
on the Web
Intranet - Answer-password-protected Web site designed for sharing within the company
E.g., myutk.utk.edu
Extranet - Answer-password-protected Web site designed for sharing with select external partners
E.g., vendor/supplier portals
How is data and communication protected? - Answer-Data and communication are protected via
firewalls and virtual private networks (VPNs)
Common threats - Answer-1.Malware attack
2. Phishing attack
3. Denial of Service (DOS) attack
4. Man-in-the-middle attack
, Threats to Web applications - Answer-1. SQL injection attack
2. Cross-Site Scripting (XSS) attack
3. Buffer overflow attack
Phishing - Answer-the fraudulent attempt to obtain sensitive information such as usernames, passwords
and credit card details by impersonating oneself as a trustworthy entity in a digital communication.
can be done through emails, websites
companies may apply technological measure like email filter and training
Denial-of-service (DoS) attacks - Answer-when intruders deliberately attempt to prevent legitimate
users of a service (e.g., customers accessing a website) from using that service, often by using up all of a
system's resources (such as its bandwidth).
Man-in-the-Middle Attack (MITM) - Answer-A cyberattack where the attacker secretly relays and
possibly alters the communications between two parties who believe that they are directly
communicating with each other.
Includes: wifi hacking, dns spoofing, ip spoofing
SQL injection - Answer-a code injection technique, used to attack data-driven applications, in which
malicious SQL statements are inserted into an entry field for execution.
Cross-Site Scripting (XSS) Attack - Answer-attacks enable attackers to inject client-side scripts into web
pages viewed by other users.
How XSS works - Answer-1. Attackers compromise a web site that is trusted by users.
Answers UTK
Two kind of networks: - Answer-1. computer
2. social
A (computer) network - Answer-a group of computers and other devices (such as printers, storage
devices, and smart devices) that use a set of common protocols over digital media for the purpose of
sharing resources.
Components of a computer network - Answer-1. Computers and other devices (printers, etc)
2. Transmission media (cables, signals, telephone lines)
3. Rules/protocols for communication (TCP/IP -transmission, POP3, SMTP - email, HTTP/HTTPS -
websites)
Servers - Answer-Host and serve up databases, applications, Web sites, audio and video, and other
content for access over the network
Clients - Answer-Consume hosted resources
Client/Server Architecture - Answer-other type of computers on a network
,Peers (Peer-to-Peer or P2P network) - Answer-Serve and consume resources, as both a server and a
client interacting with similar computers
Types of networks - Answer-1. Local Area Network (LAN)
2. Wide Area Network (WAN)
3. Personal Area Network (PAN)
The Internet - Answer-a large worldwide collection of networks that use a common protocol to
communicate with each other
The World Wide Web - Answer-a system of interlinked documents on the Internet
How does a Router work? - Answer-A router is a networking device that forwards data packets between
computer networks
Computer action - Answer-Test your connections: Ping and Tracert.
Try these commands in command windows:
Øping youtube.com
Øtracert youtube.com
IP address, or Internet Protocol address - Answer-a numerical label assigned to each device connected
to a computer network that uses the Internet Protocol (IP) for communication.
Check IP address(es) of your computer - Answer-Command line: ipconfig (or ipconfig/all)
,Network & Internet Settings
ipconfig
Or go to network and internet settings (right click wifi symbol on taskbar) -> go to properties
Domain name - Answer-IP address expressed in natural language, such as www.utk.edu
Domain name system (DNS) - Answer-1. Allows numeric IP addresses to be expressed in natural
language
2. A DNS server converts domain names to IP addresses
Uniform resource locator (URL) - Answer-Address used by Web browser to identify location of content
on the Web
Intranet - Answer-password-protected Web site designed for sharing within the company
E.g., myutk.utk.edu
Extranet - Answer-password-protected Web site designed for sharing with select external partners
E.g., vendor/supplier portals
How is data and communication protected? - Answer-Data and communication are protected via
firewalls and virtual private networks (VPNs)
Common threats - Answer-1.Malware attack
2. Phishing attack
3. Denial of Service (DOS) attack
4. Man-in-the-middle attack
, Threats to Web applications - Answer-1. SQL injection attack
2. Cross-Site Scripting (XSS) attack
3. Buffer overflow attack
Phishing - Answer-the fraudulent attempt to obtain sensitive information such as usernames, passwords
and credit card details by impersonating oneself as a trustworthy entity in a digital communication.
can be done through emails, websites
companies may apply technological measure like email filter and training
Denial-of-service (DoS) attacks - Answer-when intruders deliberately attempt to prevent legitimate
users of a service (e.g., customers accessing a website) from using that service, often by using up all of a
system's resources (such as its bandwidth).
Man-in-the-Middle Attack (MITM) - Answer-A cyberattack where the attacker secretly relays and
possibly alters the communications between two parties who believe that they are directly
communicating with each other.
Includes: wifi hacking, dns spoofing, ip spoofing
SQL injection - Answer-a code injection technique, used to attack data-driven applications, in which
malicious SQL statements are inserted into an entry field for execution.
Cross-Site Scripting (XSS) Attack - Answer-attacks enable attackers to inject client-side scripts into web
pages viewed by other users.
How XSS works - Answer-1. Attackers compromise a web site that is trusted by users.
