100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
CompTIA Security+ Cert Prep 8: Network Security and Design Imp Part 1 (Answered) 100% Correct. Updated Fall 2024/2025. $12.49   Add to cart

Exam (elaborations)

CompTIA Security+ Cert Prep 8: Network Security and Design Imp Part 1 (Answered) 100% Correct. Updated Fall 2024/2025.

 5 views  0 purchase
  • Course
  • Institution

CompTIA Security+ Cert Prep 8: Network Security and Design Imp Part 1 (Answered) 100% Correct. Updated Fall 2024/2025.

Preview 2 out of 5  pages

  • August 27, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
avatar-seller
CompTIA Security+ Cert Prep 8: Network
Security and Design Imp Part 1
(Answered) 100% Correct. Updated Fall
2024/2025.
Transmission Control Protocol (TCP)

connection oriented protocol, sends acknowledgments and guarantee delivery

SYN - opens a connection
FIN - closes a connection
ACK - acknowledges a SYN or FIN

TCP Flags

SYN --->
<----- SYN/ACK
ACK ---->

TCP three way handshake

User Datagram Protocol (UDP)

lightweight connectionless protocol
doesn't send acknowledgements or guarantee deliveries
voice or video applications

Physical, Data Link, Network, Transport, Session, Presentation, Application

Open Systems Interconnection - OSI Model

Network Interface, Internet, Transport, Application

TCP/IP Model

wires, radios, optics

OSI - Physical Layer

data transfers b/t two nodes

OSI- Data Link Layer

Internet Protocol (IP) , ARP, ICMP

OSI - Network Layer

TCP & UDP

, OSI - Transport Layer

Exchanges b/t systems

OSI - Session Layer

Data translation and ecryption

OSI - Presentation Layer

User Programs, HTTP, FTP, SMTP

OSI - Application Layer

Network Address Translation (NAT)

translating private IP addresses to public IP addresses when you communicate over the internet

IP addresses

uniquely identify systems

Between 0 - 255 (256 values)
8 bit binary numbers
2*8 = 256 possible values

Dotted quad notation (IP addresses)

Network Address

front of subnet
identifies network system it is connected to

Host address

end of subnet
uniquely identifies a system on that network

IPv6

uses 128 bits
8 groups of 4 hexadecimal numbers

static IPs

manually assigned to systems by an administrator
must be unique and within the appropriate range for the network
Usually configure servers

Dynamic Host Configuration Protocol (DHCP)

allows the automatic assignment of IP addresses from an administrator configured pool
usually configure end users

Domain Name System (DNS)

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller ACADEMICAIDSTORE. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $12.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75632 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$12.49
  • (0)
  Add to cart