Security+ Chapter 10 – Flashcards
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_____________ is/are computers in a network that host applications and data for everyone to share. - Linux boxes - Servers - Firewalls - Cryptography
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Servers
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A(n) _________ is a network device that can be hardware, software, or a combination of both whose purpose is to enforce a security policy across its connections to external networks such as the Internet - blister pack - entity relationship diagram - server - firewall
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firewall
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Network access control is - A Microsoft technology for controlling network access - A security methodology involved in managing endpoints as they connect on a case-by-case basis - The use of ACLs to permit network access - MAC filtering on wireless device
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A security methodology involved in managing endpoints as they connect on a case-by-case basis
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A virtual private network (VPN) is a construct used to provide - Users with their own web space on the network - An area of relaxation for employees - Secure communication channel between users across public networks such as the Internet - A learning area for programming languages
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Secure communication channel between users across public networks such as the Internet
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________ are applications designed to detect, log, and respond to unauthorized A. network or host use, both in real time and after the fact - Windows Operating System - Intrusion detection systems (IDS) - Firewalls - Twisted wire pairs
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Firewalls
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Preventing physical access to a server by an unauthorized individual is the - Responsibility of the CFO of an organization - Primary security concern for a system administrator - An organization's least important concern - Reason we implement firewalls
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Primary security concern for a system administrator
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Media can be divided into three categories: - Paper, plastic, cloth - Magnetic, optical, and electronic - Confidential, integrity, authority - Red, yellow, and blue
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Magnetic, optical, and electronic
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________ media store data through the rearrangement of magnetic particles on a nonmagnetic substrate - Laser - Optical - Magnetic - Static
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Magnetic
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________ are types of magnetic media. - CDR, CDRW, DVD - Linux, Windows, Oracle - Hard drives, diskettes, tape - Keyboards, mouse, monitor
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Hard drives, diskettes, tape
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_______ are characterized by the use of a laser to read data stored on a physical device. - Authentication rules - FTP sites - Modems - Optical media
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Optical media
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You are building a small network in the office. You will need to connect two different network segments that have different network addresses. What device will you use connect them? - Hub - Router - Switch - Server
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Router
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You are building a network and need to connect five computers in an office. They will be on the same network segment and you should be able to perform some security functions such as port address security. What device would you use to connect the computers? - Switch - Hub - Router - Server
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Switch
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You are building a network and need to connect three different network segments, including the Internet. The device must enforce security policies and perform stateful packet filtering. The device you would use is a - Switch - Bridge - Router - Firewall
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Firewall
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A hub operates at - Layer 1, the physical layer - Layer 2, the data link layer - Layer 2, the MAC layer - Layer 3, the network layer
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Layer 1, the physical layer
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The following are steps in securing a workstation EXCEPT: - Install NetBIOS and IPX - Install antivirus - Remove unnecessary software - Disable unnecessary user accounts
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Install NetBIOS and IPX
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Which operating system is immune to virus attacks? - Windows 7 - Red Hat Linux - Mac OS X - No operating system is immune
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No operating system is immune
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Which device converts analog signals to digital signals and vice versa? - Switch - Hub - Modem - VPN
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Modem
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What protocol is used to manage IP address space? - ICMP - DHCP - TCP - SNMP
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DHCP
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Which of the following is an extension of the public telephone network into a business? - PBX - COTS - SNMP - SMTP
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PBX
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Centralized monitoring of the health of the network is the function of a - File server - SNMP - NOC - TOC
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NOC
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The intentions of computer virus writers have changed over the years, from wanting to simply spread a virus and be noticed, to the work of today's stealthy botnet-creating criminals. True or False
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True
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Worms are software that attaches itself to a file and then executes on a machine. True or False
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False
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Hubs are the most common device used for connecting computers on a local area network. True or False
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False
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A bridge works on layer 3 of the OSI model. True or False
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False
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Switches create one big collision domain for all connected devices. True or False
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False
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Category 5 cable is rated for 10-Mbps Ethernet. True or False
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False
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It is difficult to make precise connections with fiber optic cables, but they are inexpensive. True or False
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False
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Infrared works like wireless in that it can penetrate walls. True or False
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False
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SMTP is a protocol for managing functions between devices. True or False
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False
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The most common implementation of VPN is via IPsec True or False
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True
