CompTIA Network+ Certification Study Guide part 14 ppt
CompTIA Network+ Certification Study Guide part 14 ppt
... networking, a number of devices either have taken over the
roles of these devices or are a predominant part of a modern network envi-
ronment. These devices are crucial to a network’s ability to handle ... correct computer
on the network. For these computers to communicate, however, a device is
needed to guide the TCP/IP network traffic to its destination. This is where
routers come in...
CompTIA Network+ Certification Study Guide part 3 ppt
... to a friendly domain name such as microsoft.com. In 1984, DNS
became part of ARPANet, and would eventually play a major part resolving
domain names on the Internet.
Also during the mid-1980s, ... them from completing a patent on their computer, the computer
was dismantled when the physics department needed storage space that was
being used by the machine. The distinction of being first...
CompTIA Network+ Certification Study Guide part 4 pptx
... pro-
tocols to be used. Common protocols associated with VPN transmission
security are PPTP, L2TP, SSH, and IPSec.
PPTP and L2TP are used to establish a secure tunnel connection between
two sites. ... traveling over.
Encapsulating Protocol The protocol, such as Point-to-Point Tun-
neling Protocol (PPTP), Layer 2 Tunneling Protocol (L2TP), IPSec,
or Secure Shell (SSH), that is wrapped ar...
CompTIA Network+ Certification Study Guide part 6 ppt
... thousands of dollars a month, and may be more
than your organization needs. Before deciding on a particular con-
nection for your network, try to determine what they will be using
it for, how ... ability to dial into the
Internet, but isn’t connected to the other offices. Office B is in
another part of the country from the other offices, but doesn’t
have its network interconnected to the...
CompTIA Network+ Certification Study Guide part 7 pptx
... more expensive than UTP.
DAMAGE AND DEFENSE…
Physical Security
Physical security is an important part of any network.
In terms of cabling, you should try to keep as much
cabling as possible out ...
can send a thousand times this amount. As we’ll see later in this chapter, the
features of a particular type of cable can vary greatly.
Because different types of cabling are available to use...
CompTIA Network+ Certification Study Guide part 9 pptx
... installing several runs of cable at
a time, you don’t want to be confused as to which cable runs to a particular
computer or location. By labeling the cables, this confusion is removed, and
you’ll ... 10Base5 cable can have no more than
100 taps per cable segment, with each tap spaced 2 1/2 m apart.
Determining how long a 10Base5 cable could be lengthened using dif-
ferent segments can be
CompTIA Network+ Certification Study Guide part 15 pptx
... associated with VPN are Point-to-Point Tunnel-
ing Protocol (PPTP), Layer 2 Tunneling Protocol (L2TP), SSH, and IP Secu-
rity (IPSec). PPTP and L2TP are used to establish a secure tunnel connection ... the Inter-
net) that the information is traveling over.
Encapsulating Protocol The protocol (PPTP, L2TP, IPSec., Secure
Shell [SSH]) that is wrapped around the original data.
Passenger ....
CompTIA Network+ Certification Study Guide part 23 pptx
... large number of active attacks that a hacker can launch against a
wireless network. For the most part, these attacks are identical to the kinds
of active attacks that are encountered on wired ... attack.
Creating a hijacked AP DoS requires additional tools that can be found
on many security sites.
Many apartments and older office buildings are not prewired for the high-
tech networks in us...
CompTIA Network+ Certification Study Guide part 29 ppt
... communication.
Exam Warning
Remember that IMAP4 uses Port 143 (both TCP and UDP) for communication.
CHAPTER 6: The OSI Model and Networking Protocols 274
forwarded to a particular set of DNS servers. These servers ... troubleshooting.
Networking models can be very helpful to you. In this chapter, we cov-
ered three of them in particular, the OSI model, the DoD model, and the
Microsoft mode...
CompTIA Network+ Certification Study Guide part 31 ppt
... in decimal?” If only it
was that easy! Instead, you’ll need to know how to do the conversion as part of a more
complex process, usually in calculating subnet masks. It’s easy to calculate subnet ... activities as a network administrator.
TCP/IP
In the 1970s, Internet Protocol (IP) was developed as part of the Transmission
Control Protocol effort to provide logically addressed and struc...
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