... pass the Network+
exam, and pass it confidently, then you should buy this book and use it to
study for the exam. The Network+ exam is designed to measure the technical
knowledge of networking ... essential networking technologies.
Because the Network+ exam covers network fundamentals and is vendor
neutral, it may be a good replacement for the Microsoft or the Novell exam.
How to Become Network+ ... exam.
Combined, these test engine elements will allow you to test your readiness
for the real Network+ exam.
Full Text of the Book in PDF
If you are going to travel but still need to
study...
... network
technician and to pass the CompTIA Network+ exam.
We cover network models such as centralized and decentralized, the
differences between a local area network (LAN) and a wide area network ... editor for Security+ StudyGuide
and DVD Training System, (ISBN: 978-1-931836-72-2, Syngress), lead
author and technical editor for Network+ StudyGuide & Practice Exams:
Exam N10-003, (ISBN: ... common source for networking professionals to get
the definitive source on networking knowledge. So let us start from the very
beginning, what exactly is a network anyway?
WHAT IS A NETWORK?
Even...
... using it.
Network Monitors and Protocol Analyzers
Network monitors and protocol analyzers monitor traffic on the network
and display the packets that have been transmitted across the network. ... transmitted across the network, the
problem may lie with that particular packet type. Because the network moni-
tor enables you to view the contents of all packets on the network, in many
cases, ... cabling.
Troubleshooting
Experienced network administrators know that cabling is one of the most
common causes of network failure. For this reason, you should check cabling
early in the network troubleshooting...
... and 5.
now wants you to connect the two networks together. Your com-
pany’s existing network is twice the size of the new network. To
get these two networks connected together, which of the ... across the
network. When data loops endlessly around the network in this way, it eats
up the available bandwidth and can affect network performance. Not only
can computers on the network experience ...
DAMAGE AND DEFENSE
Switching on Networks
In terms of devices that provide network connectivity,
switches have become the future of networking. Today’s
computer networks have to support the combination...
...
ethereal.
235
CHAPTER 6
EXAM OBJECTIVES IN THIS CHAPTER
THE OSI MODEL 237
THE DOD NETWORKING MODEL 257
NETWORKING PROTOCOLS 265
INTRODUCTION
To prepare for the CompTIANetwork exam, you should begin ... 5: Wireless Networking 228
Many wireless networks that use the same frequency within a
small space can easily cause network disruptions and even denial of
service (DoS) for valid network users.
If ... Exploits of Wireless Networks
Examining the common threats to both wired and wireless
networks provides a solid understanding in the basics of
security principles and allows the network administrator...
... Internet. A good example of this is that many computers
Exam Warning
Using VLSMs on WAN links on your network is very common. You don’t need to know
how to do this for the Network+ exam, but you ... prevalent, and why you need to know it for
the Network+ exam. NAT will be covered later in this
chapter.
Static and Dynamic Assignments
On the Network exam, you will be responsible for not only ... applications in its network, but is not connecting
its network to the global Internet, the IP addresses used do not have to be
globally unique. A network of this type is called a private network, and...
... routers or network links
are added to a network, is a routing loop, which occurs in this fashion:
A source computer on Network A is trying to reach a destination 1.
computer on Network C. The ... it was addressed.
CHAPTER 12 : Network Troubleshooting Methodology 602
your network, especially when you’re troubleshooting IP connectivity issues
on a large network. This allows you to compare ... applications when you’re troubleshooting network issues at the transport
CHAPTER 12 : Network Troubleshooting Methodology 604
to identify your computer on the network, and gets the messages to the...
... change.
What types of networks are most likely to use OSPF instead of RIP?Q:
Large enterprise networks and very large internetworks, A:
such as corporate campuses and global networks. Microsoft ... documentation generally recommends that OSPF be used for
internetworks that include more than 50 networks. OSPF is also
appropriate for networks in which the topology changes frequently,
and those ... resolution.
Identifying a Client’s Remote Network Access Problem
There are multiple reasons that a client may encounter connectivity problems
in gaining access to the network or network resources. In Exercise...
...
Subnetwork of a Metropolitan Area Network
802.6k Distributed Queue Dual Subnetwork of a MAN. Supplement for MAC bridging
802.6l Point-to-Point Interface for Subnetwork of MAN. Specification for network ... Computer Network local -network protocols
RFC894 Standard for the transmission of IP datagrams over Ethernet networks
RFC895 Standard for the transmission of IP datagrams over experimental Ethernet
networks
RFC903 ... and MAN
Networks: CSMA/CD Access Method and Physical Layer Specifications Type
10BASE-T
While there are numerous IEEE standards that have been developed for
networking, the Network+ exam only...
... and now 5.
wants you to connect the two networks together. Your company’s
existing network is twice the size of the new network. To get these
two networks connected together, which of the ... are able to communicate. For example, if your Ethernet network is to be
connected to a Token Ring network, you will need to have a gateway so that
hosts in the two networks are able to communicate.
Incorrect ... a small business network. You notice 14.
that as you add workstations to the network over time the speed
of the network decreases, what devices would you replace in your
network with what...
... electrical panel near one of your network 8.
switches may be causing interference in one of the Ethernet cables
that connects a workstation to the switch port on the network.
Which of the following ...
Act of 2002. As an organization that has computer networks and recognizes
information security as an important role in how to develop your networks,
you must be aware of ISO/IEC 27002:2005. ... Wiring schematics, physical/logical network diagrams, baselines,
policies, procedures, configurations, and regulations
B. Wiring schematics, physical/logical network diagrams, load bal-
ancing,...
... D. Answer B is incorrect,
because by allowing a network s SSID to be broadcasted, all machines within
range will be able to detect the wireless network and attempt to connect.
Broadcast the ... the network shown in Figure 12.14. 12.
You receive a call from the users of Computer5 and Computer6,
stating that they cannot access any resources on the Internet. No
other users on the network ... this
diagram, what is most likely causing this connectivity issue?
A. The network cable attaching Computer5 to the network
B. The 192.168.1.1 interface on Router A
C. The 192.168.4.1 interface...
... vendors allow the use of CompTIA certifications in some of their own certifica-
tion programs as electives or substitution for one of their exams. For example, the CompTIA A+ and
Network+ certifications ... minimum requirements for passing the exam, and help to prepare you to work in the real
world of computer and network security.
What Is CompTIA Security+?
Computer and network security is the hottest ... Scanning
■
Malicious Code Attacks
Chapter 2
SECURITY+ 2e
Exam Objectives Review:
Summary of Exam Objectives
Exam Objectives Fast Track
Exam Objectives Frequently Asked Questions
Self Test
...