CompTIA Network+ Certification Study Guide part 12 pps

... gatewaySelf Test 97A. RJ-11B. RG 58C. SCD. BNCAs a Network technician for 123 LLC, you are asked by your 12. CIO about the access method of Gigabit Ethernet. Which of the following access ... technician for 123 Corp plans out the maximum length of a 13. Gigabit Ethernet segment using MMF optic cable is. What is the cor-rect distance? (Choose only one)A. 100 mB. 125 mC. 550 ... this chapter). Although this term may be used in the real world to refer to a switch, for the Network+ exam it’s best to keep the components separate in your mind. A switch is a switch, and...

CompTIA Network+ Certification Study Guide part 1 pps

... Data CompTIA Network+ certiﬁcation study guide / Robert J. Shimonski [et al.]. — 2nd ed. p. cm.Includes index.ISBN 978-1-59749-429-8 (pbk. : alk. paper) 1. Computer networks—Examinations Study ... Syngress Publishing, Inc. Elsevier, Inc. 30 Corporate Drive Burlington, MA 01803 CompTIA Network+ Certiﬁcation Study Guide Copyright © 2009 by Elsevier, Inc. All rights reserved. Printed in the United ... This page intentionally left blank CompTIA Network+ Certiﬁcation Study Guide Exam N10-004 2ERobert J. Shimonski Technical EditorNaomi Alpern Technical...

CompTIA Network+ Certification Study Guide part 11 ppsx

... that transmits and receives electrical signals across the transmission media. They are also the part of the interface that actually connects to the media. Transceiver types can be classiﬁed as ... external.Self Test 95A. 100 mB. 185 mC. 500 mD. 2 kmExamine the illustration shown in Figure 2 .127 . . Your network is a 10Base2 network, and it uses these connectors to attach to the network. ... small company to cable its network. 8. The company has ofﬁces in two buildings that are 300 m apart. Both of the ofﬁces have about 15 computers and the numbers are expected to grow in near...

CompTIA Network+ Certification Study Guide part 21 pps

... Wireless trafﬁc, like its wired counterpart, consists of frames transmitted from one station to another. The primary feature that sets wireless networks apart from wired networks is that at least ... commu-nication range of each other. Ad-hoc networks are created spontaneously between the network participants. In infrastructure mode, APs provide more permanent structure for the network. An ... it and which is meant for other wire-less networks.802.11 trafﬁc can be subdivided into three parts:Control framesManagement framesData framesControl frames include such information...

CompTIA Network+ Certification Study Guide part 24 ppsx

... solutions. Some of these mechanisms are internal to Windows itself, while others are third-party solutions or part of the IEEE 802.11 standard. In this sec-tion, we will be focusing primarily on ... computer is outlined in Exercise 5.1.Summary of Exam Objectives 221SITE SURVEYSA site survey is part of an audit done on wireless networks. Site surveys allow system and network administrators ... poorly and without due con-sideration being given to the security of the network. For the most part, these poor implementations result from a lack of understanding of the nature of wireless...

CompTIA Network+ Certification Study Guide part 27 ppsx

... users who wanted to connect to a network had to obtain the TCP/IP protocol suite from a third party and install it. TCP/IP did not come bundled with the software. At times, the TCP/IP software ... routable because they include address-ing schemes that identify both the network or subnet and the particular client on that network or subnet. Other network/transport protocols, such as NetBIOS ... application, and that’s the function of port numbers. The FTP protocol used by that program is assigned a particular port, whereas the Web browser and e-mail clients use different protocols (HTTP and Post...

CompTIA Network+ Certification Study Guide part 28 ppsx

... holds true today that you should know about these technologies for the exam, so do not overlook studying for them.CHAPTER 6: The OSI Model and Networking Protocols 258in terms of the limitations ... interface was written, that main-frame still could communicate only with its speciﬁed counterpart. If either mainframe’s operating system changed, the interface might be broken and programmers ... called back in to reestablish the communication system between the two mainframes.The U.S. Department of Defense Advanced Research Projects Agency (DARPA) tackled this problem with an experiment...

CompTIA Network+ Certification Study Guide part 37 ppsx

... in the packet headers.IPv6IPv6 addresses are 128 -bit addresses expressed as AAAA:AAAA: AAAA:AAAA:AAAA:AAAA:AAAA:AAAA.IPv6 addresses are 128 -bit identiﬁers for interfaces and sets of interfaces, ... (w) and have an address range of 1.x.y.z to 126 .x.y.z. Class B networks use the ﬁrst two octets for the network ID and have an address range of 128 .0.y.z to 191.255.y.z. Class C networks use ... whereas with NAT, each internal host must translate to a unique external IP address. PAT can be particularly useful for locations or users connected via cable modem, digital subscriber line (DSL),...

CompTIA Network+ Certification Study Guide part 42 pps

... device.A port is described as well known for a particular service when it is normal and common to ﬁnd that particular software running at that particular port number. For example, Web servers ... 2000 8787, 54320, and 54321 (modiﬁable)OpwinTrojan 10000 and 10005SubSeven 124 3, 1999, 2773, 2774, 6667, 6711, 6 712, 6713, 6776, 7000, 7215, 16959, 27374, 27573, and 54283 (depending on the ... walk when setting up a “sting” – an opera-tion in which police ofﬁcers pretend to be victims or participants in crime, with the goal of getting criminal suspects to commit an illegal act in their...

CompTIA Network+ Certification Study Guide part 44 ppsx

... targeting attacks and attack methodologies. This is perhaps the reason that CompTIA has been focusing many questions in this particular area. Although there are many different varieties and methods ... or guesses about replies, and informed attacks in which the attacker can monitor, and therefore partici-pate in, bidirectional communications.There are ways to combat spooﬁng, however. Stateful ... likely to be vulnerable, and then the risks of the vulnerability weighed against the need for the particular service connected to that port.Port vulnerabilities are constantly updated by various...

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