a certification study guide free pdf

... 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 an attacker hijacks the AP and does not pass ... and purchase new hardware, check to see if you can update the firmware of your AP. The AP vendor may have released a more recent firmware version that supports the disabling of SSID broad- casts. ... contains a high percentage of well-known and predictable information, making it vulnerable to plaintext attacks. How can I prevent unauthorized users from authenticating and as-Q: sociating

Ngày tải lên: 04/07/2014, 13:21

... think that with that much IP address space available to them, network engineers, manag-ers, administrators, and technicians would have a lackadaisical attitude when assigning IP space Quite ... private addressing is called automatic private IP address-ing (APIPA) If a computer (Windows 98 or later) is configured to obtain its address automatically from a DHCP server and it cannot locate ... network, you may have to schedule an out-age to change things over An IP addressing change on a local area network (LAN)-sized or larger scale is always a lot of work and is somewhat time-consuming

Ngày tải lên: 04/07/2014, 13:21

... Group Management Protocol (IGMP) IGMP allows computers on a network such as the Internet to participate in IP multicasting A multicast address allows an application to send a message to a large ... really detail-minded (or paranoid), you could even ask that he call you back when it gets there, and let you know that all the pages are there in sequence and it wasn’t damaged along the way ... header Two additional TCP/IP protocols that operate at the network layer are the ARP and the Reverse Address Resolution Protocol (RARP) ARP’s job is to translate logical IP addresses to physical

Ngày tải lên: 04/07/2014, 13:21

... pairs of end-points What is a gateway, and why would I need one? Q: The word A: gateway has many different meanings in the Information Technology (IT) world A protocol-translating gateway translates ... link layer The data link layer is responsible for taking the information it gets ■ ■ from the physical layer and organizing it into frames The devices that operate at the data link layer are switches ... Windows operating system and has to be purchased and installed separately. Exam day Tip Because it usually sends usernames and passwords in clear-text the use of Telnet has been almost entirely

Ngày tải lên: 04/07/2014, 13:21

... 802.10a SILS Part A: The Model 802.10b SILS Part B: Secure Data Exchange Standard on protocol for secure data exchange at Data Link Layer 802.10c SILS Part C: Key Management Standard on the management ... unless for some reason the cells operate on the same frequency and have no overlap of coverage area. Exam warning IEEE standards are an important part of networking, and chances are that you’ll see ... Technical Advisory Group LAN Standard for fiber optic technology 802.9 Integrated Services (IS) LAN Interface at the MAC and Physical Layer Standard for voice and data over twisted-pair media 802.9a

Ngày tải lên: 04/07/2014, 13:21

... and install cable that supports a longer distance B Install a passive hub to increase the distance that data can travel along the cable Trang 2C Install a NIC to increase the distance that data ... data can travel along the cable D Install a switch to increase the distance that data can travel along the cable Correct answer and explanation: D Install a switch to increase the dis-tance that ... switches are designed to always ignore broadcast messages Correct answer and explanation: B The message will be sent to all com-puters in the same broadcast domain A broadcast domain is a logical

Ngày tải lên: 04/07/2014, 13:21

... processor, 9 A AAA See Access control, authentication, and auditing Access, 3 Access control, authentication, and auditing (AAA), 431–432 Access control lists (ACLs), 132, 385 Access controls, ... Network ArpWatch, 214 Asymmetric digital subscriber line (ADSL), 369 Attachment unit interface (AUI), 72 Attack signature database, 389 Attenuation, 52, 89 Auditing, 433–434 AUI See Attachment ... modems, 108–109 Analog signaling vs digital signaling, 240–242 API See Application program interface APIPA See Automatic private IP addressing Apple II computer, 11 Application layer, troubleshooting,

Ngày tải lên: 04/07/2014, 13:21

... known as the Extended Graphics Array (XGA) This technology was available only as a Micro Channel Architecture (MCA) expansion board and not as an ISA or EISA board (It was rather like IBM saying, ... storage are available for PCs today Among the other types of storage are tape backup devices, solid-state memory, and advanced optical drives There are also exter-nal hard drives such as the Kangaru ... produce what appears to our eyes as a continuous image. Later Video Standards Any standard other than the ones already mentioned are probably extensions of SVGA or XGA It is becoming easier and easier

Ngày tải lên: 10/08/2014, 12:21

... can do to counter the threat Fortunately, these attacks require fairly sophisticated software and are harder to engineer than a DoS attack, such as a TCP SYN attack UDP Attacks A UDP attack attacks ... system and session com-A man-in-the-middle attack is an active attack Something is actively cepting the data and may or may not be altering it If it’s altering the data, the altered data masquerades ... have stan-a price thstan-at stan-anyone in the mstan-arket would pstan-ay, but cstan-an the sstan-ame be sstan-aid for the other stan-trators in your company? adminis-Social engineering can have

Ngày tải lên: 14/08/2014, 20:20

... configurations, and Trang 2regulations is the correct answer because they are all a part of configuration management documentation Incorrect answers and explanations: B, C, and D Load balancing, cache ... network operates Incorrect answers and explanations: A, B, C Health Insurance Portability and Accountability Act (HIPAA), Sarbanes-Oxley Act of 2002, and ISO/IEC 27002:2005 regulations are by themselves ... IP address, subnet mask, and default gate-way values configured on the machine For the additional information dis-played above, such as MAC address information and DHCP lease information the /all

Ngày tải lên: 04/07/2014, 13:21

... Logical Data Model Finalize MIS data mart logical data model Define data warehouse Implementation Road map and schedules I.T Hardware Vendor End Users Operations Trang 75-8 Detail design Architecture ... layer accessed the Data Warehouse, as well as, Data Marts • The Hub component (Extraction Layer) fed data to the ODS, as well as, the Data Warehouse Extraction and Transformation processes extracted ... staff and head office departmental staff • The power user is the sophisticated user, such as marketing and brand coordinators and financial officers, who have a range of PC skills and are capable

Ngày tải lên: 24/01/2014, 06:20

... Women¿s ambivalence towards breast cancer and breast health: a qualitative study from Jordan BMC Women's Health 2012, 12:21 doi:10.1186/1472-6874-12-21 Hana Taha Dr (hanagh@yahoo.com) Raeda Al-Qutob ... Uppsala University, Uppsala, Sweden * Corresponding author: Hana Taha, King Hussein Cancer Foundation, Amman, Jordan Abstract Background Breast cancer is the leading cause of cancer mortality ... Hana Taha1,2,3* Email: hana.taha@ki.se Raeda Al-Qutob4,5 Email: raeda@johud.org.jo Lennarth Nyström6 Email: lennarth.nystrom@epiph.umu.se Rolf Wahlström1,7 Email: rolf.wahlstrom@ki.se Vanja Berggren1

Ngày tải lên: 13/02/2014, 06:20

... la cual esta diseñada para ayudar a los alumnos a prepararse para pasar el CAHSEE El CAHSEE se administra durante dos días El primer día los alumnos tomarán la sección que se enfoca en los conocimientos ... necesarias que de otra manera sean necesarias para aprobar el CAHSEE Puede encontrar más información acerca del proceso para pedir esta exención o waiver incluyendo una lista de posibles adaptaciones ... nuevo, llame al director o al consejero de la escuela ¿Qu é pasa si un alumno ya tiene el 12mo grado y todavía no ha aprobado una o ambas partes del CAHSEE? La ley estatal (AB347) establece que

Ngày tải lên: 23/03/2014, 23:20

... must use the same mask 29. In the IOS command used to create an OSPF virtual link, area area-id virtual-link router-area-id, what is the area-id? A. The transit area’s ID B. The IP address of the ... 12. What happens to packets that are forwarded to the Null0 interface? A. The packets are sent to the gateway of last resort B. The packets are policy-routed C. The packets are marked as discard ... following statements are true? (Choose all that apply.) A. Every OSPF network must have an Area 0 B. A router with one or more interfaces in Area 0 is said to be a back-bone router C. If an IGRP

Ngày tải lên: 02/07/2014, 14:21

... Trang 1Authentication POP (APOP), 436Authentication server, 197 Automatic private IP addressing (APIPA), 323 B Bandwidth, 50–52, 89 Baseband, 242, 583 Basic rate interface (BRI), 111 WAN, 362 ... 391 Management information base (MIB), 275, 552 Manufacturer code, 593 MAPI See Messaging application program interface MARK I computer, 7 MAU See Media attachment unit; Multistation access ... Network access security, 468–469 AAA, 431–432 authentication See Authentication Network address translation (NAT), 291, 345–346, 601 Network analyzer See Protocol analyzer Network attached storage

Ngày tải lên: 04/07/2014, 13:20

... Trang 2CompTIA Network+ Certification Study Guide Trang 3This page intentionally left blankTrang 4CompTIA Network+ Certification Study Guide Exam N10-004 2E Robert J Shimonski Technical Editor ... limitation may not apply to you You should always use reasonable care, including backup and other appropriate precautions, when working with computers, networks, data, and files Syngress Media®, ... Developmental Editor: Gary Byrne Copy editor: diacriTech, Chennai, India Indexer: diacriTech, Chennai, India Cover Designer: Alisa Andreola For information on rights, translations, and bulk sales,

Ngày tải lên: 04/07/2014, 13:20

... started the National Aeronautics and Space Administration (NASA), began launching space missions, and achieved the first manned landing on the moon in 1969 Using computers that employed only a ... DNS, a number like 207.46.250.222 can be translated 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 a high-speed storage area network (SAN) that can be configured as a high-speed back-bone between your systems, disks, and data With a RAID array, disk failure, is imminent but solvable As

Ngày tải lên: 04/07/2014, 13:20

... RAM and what? A: A swap file 445. Memory that is paged out to the hard drive is known as what? A: virtual memory Congratulations!! You have purchased one of the Troy Technologies USA Study Guides. This ... AUTOEXEC.BAT? A: DOSKEY 40. Which allows faster access; RAM, ROM, or virtual memory? A: RAM 41. What batch file command will stop a batch file operation until a key is pressed? A: PAUSE 42. What ... following is a proper DOS filename? A: !RONNY.EXE 362. A Win 3.x system has a lot of hard drive space, what can you do to optimize it? A: Make a permanent swap file and let Windows manage it. 363. ...

Ngày tải lên: 11/12/2013, 14:15

... - Hard drives store data in circular paths on each platter surface (Head). These paths are called tracks. There are hundreds of circular tracks on each Head. Starting from the inner most track, ... Language) HP’s own hardware dependent printer language. Postscript PDL (Page Description Language) A hardware independent language capable of high resolution graphics. 37 A: Printhead 297: What ... two) A: Assure that you and the PC are at the same electrical charge level Use anti-static spray liberally 2 Memory Random Access Memory (RAM) - The working area of your PC where programs are...

Ngày tải lên: 10/12/2013, 15:15

... users. This page intentionally left blank About the Authors xiii daughter, Sara; adorable daughter, Emily; charming son, Jason; and beautiful and talented daughter, Alicia. Dustin L. Fritz (ECSA) is ... specializes in information operations conditions; information assurance vulnerability management; risk and vulnerability assessments; certification and accreditation; security awareness and plan- ning; ... provided support and worked in the areas of pro- gramming, hardware, database administration, graphic design, and network administration. In 2007, he was awarded a police commendation for his work...

Ngày tải lên: 04/07/2014, 13:20