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A+ Final Exam
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Preguntas del test (154)
1Which of the following are Fiber connectors?
- ASubscriber Connector (SC)
- BStraight Tip (ST)
- CLocal Connector (LC)
- DUser Connector (UC)
- ELoop Tip (LT)
- FExternal Connector (EC)
- GManual Connector (MC)
2Which of the following are Twisted Pair connectors?
- ARJ-11
- BRJ-45
- CRJ-33
- DRJ-18
- ERJ-42
- FRJ-13
- GRJ-9
- HRJ-72
3Which of the following are Twisted Pair Wiring Standards?
- AT568A
- BT568B
- CT865A
- DT865B
- ET739A
- FT739B
4Which of the following are Types of Networks?
- ALAN
- BWAN
- CPAN
- DMAN
- EUAN
- FIAN
- GCAN
- HGAN
5Which of the following are Network Topologies?
- AMesh
- BRing
- CBus
- DStar
- EHybrid
- FOctal
- GCross
- HLoop
- IWeave
6What is a LAN network?
- AA computer network that interconnects computers within a limited area such as a home, school, computer laboratory, or office building, using network media.
- BA computer network that interconnects computers within a wide area such as a neighbourhood, city, company branches, using network media.
- CA computer network that connects up to 20 workstations, using network media.
7What is a WAN network?
- AA network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, national or international boundaries) using leased telecommunication lines.
- BA network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, national or international boundaries) using private telecommunication lines.
- CA network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, national or international boundaries) using public telecommunication lines.
- DA network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, national or international boundaries) using virtual telecommunication lines.
8What is PAN network?
- AA computer network used for data transmission among devices such as computers, telephones and personal digital assistants
- BA computer network used for data transmission amongst routers
- CA computer network used for data transmission amongst servers
- DA computer network used for data transmission among devices such as routers, servers and mainframes
9What is a MAN network?
- AA large computer network that spans a metropolitan area or campus. Its geographic scope falls between a WAN and LAN. MANs provide Internet connectivity for LANs in a metropolitan region, and connect them to wider area networks like the Internet.
- BA large computer network that spans a metropolitan area or campus. Its geographic scope falls between a PAN and LAN. MANs provide Internet connectivity for LANs in a metropolitan region, and connect them to wider area networks like the Internet.
- CA large computer network that spans a metropolitan area or campus. Its geographic scope falls between a WAN and PAN. MANs provide Internet connectivity for PANs in a metropolitan region, and connect them to wider area networks like the Internet.
10Which of these is a Mesh topology?
- A
- B
- C
- D
- E
- A
11What does a Hub do in a Network?
- AA common connection point for devices in a network. Hubs are commonly used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.
- BA common connection point for devices in a network. Hubs are commonly used to connect segments of a WAN. A hub contains 2 ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the WAN can see all packets.
- CA common connection point for devices in a network. Hubs are commonly used to connect segments of a PAN. A hub contains multiple ports. When a packet arrives at one port, it is collected so that all segments of the PAN are secure.
12What does a Switch do in a Network?
- AThey connect multiple PCs, printers, servers and other hardware. Switches allow you to send information, such as email, and access shared resources, including printers, in a smooth, efficient, and transparent manner.
- BThey connect a PC, printer, server and other hardware.
- CSwitches allow you to connect to printer or other hardware devices on the network.
- DSwitches allow you to send information, such as email, and access shared resources, including printers, in a smooth, efficient, and transparent manner.
13What does a Router do in a Network?
- AThe purpose of the router is to take the information from the modem and deliver it to your computer. It is able to take this information from several networks and deliver them to several computers. In other words, you can be on your desktop in the office and your kids can be on their computer in their room, and you can both use the internet at the same time using the same internet connection.
- BThe purpose of the router is to take the information from the modem and deliver it to your computer.
- CA router connects to several networks or several computers that are using the same internet connection.
14What is an Access Point?
- AAccess points provide wireless access to a wired Ethernet network. The access point plugs into a hub, switch, or wired router and sends out wireless signals, enabling computers and devices to connect to a wired network wirelessly. Access points act a lot like cellular phone towers: you can move from one location to another and continue to have wireless access to a network. When you connect to the Internet wirelessly using a public wireless network in an airport, coffee shop, or hotel, you are usually connecting through an access point. Access points don't have built-in technology for sharing Internet connections. To share an Internet connection, you must plug an access point into a router or a modem with a built-in router.
- BAccess points provide access through wired Ethernet network. The access point plugs into a hub, switch, or wired router and sends out signals, enabling computers and devices to connect to a wired network. Access points have built-in technology for sharing Internet connections.
- CAccess points provide virtual access to a wired Ethernet network. The access point plugs into a hub, switch, or wired router and sends out signals, enabling computers and devices to connect to a virtual network. Access points don't have built-in technology for sharing Internet connections. To share an Internet connection, you must plug an access point into a router or a modem with a built-in router.
15What is a Bridge?
- AA bridge is a network device that connects multiple network segments. In the OSI model bridging acts in the first two layers, below the network layer.
- BA bridge is a network device that connects multiple network segments. In the OSI model bridging acts in the first two layers, below the transmission layer.
- CA bridge is a network device that connects multiple network segments. In the OSI model bridging acts in the first two layers, above the physical layer.
- DA bridge is a network device that connects multiple network segments. In the OSI model bridging acts in the first two layers, below the application layer.
16What is a Modem?
- AA modem is a device or program that enables a computer to transmit data over, for example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves.
- BA modem is a device or program that enables a computer to transmit analog data over.
- CA modem is a device or program that enables a computer to transmit data over a wireless network only.
17What is NAS?
- AAllows files to be stored and retrieved across a computer network. Includes a dedicated hardware device often called the head that connects to a local area network. This NAS "server" authenticates clients and manages file operations in much the same manner as traditional file servers, through well-established network protocols like NFS and CIFS/SMB.
- BAllows files to be stored and retrieved across a computer network. Includes a dedicated hardware device often called the head that connects to a local area network. This NAS "server" authenticates clients and manages file operations in much the same manner as traditional file servers, through well-established network protocols like NTFS and CIFIB/SMTP.
- CAllows files to be stored and retrieved across a computer network. Includes a dedicated hardware device often called the head that connects to a local area network. This NAS "server" authenticates clients and manages file operations in much the same manner as traditional file servers, through well-established network protocols like NTFS and RIP/RIPv2.
18What is a Firewall?
- AA firewall is software or hardware that checks information coming from the Internet or a network, and then either blocks it or allows it to pass through to your computer, depending on your firewall settings. A firewall can help prevent hackers or malicious software (such as worms) from gaining access to your computer through a network or the Internet. A firewall can also help stop your computer from sending malicious software to other computers.
- BA firewall prevents hackers or malicious software (such as worms) from gaining access to your computer through a network or the Internet. A firewall can also help stop your computer from sending malicious software to other computers.
- CA firewall is software or hardware that checks information coming from the Internet or a network, and then either blocks it or allows it to pass through to your computer, depending on your firewall settings.
19(VoIP) Voice over Internet Protocol is a category of hardware and software that enables people to use the Internet as the transmission medium for voice calls.
- AVerdadero
- BFalso
20An Internet appliance is a consumer device whose main function is easy access to Internet services such as WWW or Email.
- AVerdadero
- BFalso
21A Multimeter is an instrument designed to measure electric current, voltage, and usually resistance, typically over several ranges of value.
- AVerdadero
- BFalso
22A Toner Probe is an electronic test instrument to help trace wires. One part (the tone generator) induces a tone on a pair of wires, and with the other part (the tone probe) you can detect the tone at the other end to trace where the wires go. You can trace wires through walls using a tone probe, and determine which pair is carrying the signal you induced at the other end.
- AVerdadero
- BFalso
23A cable tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. Generally a cable tester consists of:
- AA source of Electric Current
- BA Volt Meter
- CA switching matrix used to connect the current source and the volt meter to all the contact points in a cable.
24What is a Loopback plug?
- AA connector used for diagnosing transmission problems. It plugs into a port, such as a serial or parallel port, and crosses over the transmit line to the receive line so that outgoing signals can be redirected back into the computer for testing
- BA connector used for diagnosing transmission problems. It plugs into a port, such as a serial or parallel port, and crosses over the transmit line to the receive line so that outgoing signals can be redirected back into the router.
- CA connector used for diagnosing transmission problems. It plugs into a port, such as a serial or parallel port, and crosses over the transmit line to the receive line so that outgoing signals can be redirected back into the server.
25A Sneakernet is an informal term describing the transfer of electronic information, especially computer files, by physically moving removable media such as magnetic tape, floppy disks, compact discs, USB flash drives or external hard drives from one computer to another, usually in lieu of transmitting the information
- AVerdadero
- BFalso
26What are the Primary Network Components?
- AServers
- BClients
- CTransmission Media
- DShared Data
- EShared printers and other Periperals
- FNICs
- GLocal OS
- HNetwork OS
- IHub
- JSwitch
27Network operating system refers to software that implements an operating system of some kind that is oriented to computer networking. For example, one that runs on a server and enables the server to manage data, users, groups, security, applications, and other networking functions.
- AVerdadero
- BFalso
28NetStat Port?
- A21
- B22
- C110
- D143
- E15
29FTP protocol?
- A80
- B119
- C20
- D123
- E53
30FTP second port?
- A110
- B21
- C443
- D22
- E25
31SSH port?
- A15
- B20
- C22
- D80
- E119
32Telnet Port?
- A25
- B110
- C21
- D23
- E143
33SMTP Port?
- A53
- B69
- C25
- D443
- E80
34DNS Port?
- A80
- B53
- C110
- D15
- E123
35TFTP Port?
- A443
- B110
- C15
- D69
- E80
36HTTP Port?
- A110
- B119
- C80
- D53
- E123
37POP3 Port?
- A14
- B34
- C92
- D110
- E80
38NNTP Port?
- A110
- B23
- C443
- D69
- E119
39NTP Port?
- A22
- B80
- C53
- D123
- E119
40IMAP4 Port?
- A23
- B110
- C123
- D143
- E15
41SSL Port?
- A23
- B119
- C15
- D443
- E80
42FTP's function is to Transfer Data
- AVerdadero
- BFalso
43FTP's also Controls Flow
- AVerdadero
- BFalso
44SSH is a Remote connection
- AVerdadero
- BFalso
45Telnet is a Remote connection with no security or plain text
- AVerdadero
- BFalso
46SMTP transfers E-mail between servers
- AVerdadero
- BFalso
47DNS function is to Host Name to IP
- AVerdadero
- BFalso
48TFTP transfers data but is faster and less reliable than FTP
- AVerdadero
- BFalso
49HTTP is a Web Browser protocol
- AVerdadero
- BFalso
50POP3 Transfers Mail from server to client
- AVerdadero
- BFalso
51NNTP deals with News articles
- AVerdadero
- BFalso
52IMAP4 is similar to POP3 but has more features
- AVerdadero
- BFalso
53SSL provides security for Browser "HTTPS"
- AVerdadero
- BFalso
54Which of the following are Connectionless Oriented Protocols
- AIP
- BTCP
- CUDP
- DDCCP
- EICMP
- FATM
- GIPX
- HFram-relay
- ITIPC
- JNetBEUI
55Which of the following are Connection Oriented Protocols
- ANetBEUI
- BTCP
- CIP
- DDCCP
- ETIPC
- FATM
- GUDP
- HFrame-relay
- ISPX
56_____________ is immune to electromagnetic or radio frequency interference.
- ATwisted pair cabling
- BCSMA/CD
- CBroadband coaxial cabling
- DFiber optic cabling
57Which IEEE 802 standard defines bus topology using coaxial baseband cable and is able to transmit at 10Mbps?
- A802.1
- B802.2
- C802.3
- D802.5
58Which OSI layer signals "all clear" by making sure the data segments are error free?
- AApplication
- BSession
- CTransport
- DNetwork
59_________________ is the type of media access method used by NICs that listen to or sense the cable to check for traffic and send only when they hear that no one else is transmitting.
- AToken passing
- BCSMA/CD
- CCSMA/CA
- DDemand priority
60What model is used to provide a common way to describe network protocols?
- AOSI
- BISO
- CIEEE
- DCSMA/CD
61A physical star topology consists of several workstations that branch off a central device called a ________________.
- ANIC
- BBridge
- CRouter
- DHub
62Of all network cabling options, __________________ offers the longest possible segment length.
- AUnshielded twisted pair
- BCoaxial
- CFiber optic
- DShielded twisted pair
63What devices transfer packets across multiple networks and use tables to store network addresses to determine the best destination?
- ARouters
- BBridges
- CHubs
- DSwitches
64In which network design do users access resources from other workstations rather than from a central location?
- AClient server
- BStar
- CRing
- DPeer-to-Peer
65Which of the following wireless communications standards is often described in terms of a wireless personal area network?
- ABluetooth
- BInfrared
- CCellular
- DEthernet
66Which of the following statements are NOT associated with a star network? Choose all that apply
- AA single cable break can cause complete network disruption
- BAll devices connect to central device
- CIt uses a single backbone computer to connect all network devices
- DIt uses a dual ring configuration
67If you are going to run a network cable in the space above the drop filing in your office, which type of cable should you use?
- APlenum
- BPVC
- CCoaxial
- DFiber optic
68Which of the following connector types is an MFF connector?
- ABNC
- BST
- CSC
- DLC
69What troubleshooting device would you use if you needed to trace a cable through a wall?
- AToner Probe
- BCable tester
- CMultimeter
- DLoopback plug
70You have been asked to configure a full mesh network with seven computers. How many connections will this require?
- A6
- B7
- C21
- D42
71Which tool is used by technicians to connect an RJ-45 connector to the end of a cable?
- APunch down tool
- BCrimper
- CCable tester
- DLoopback plug
72What thyme of device will block unwanted traffic from your network using a set of rules called an ACL?
- ARouter
- BFirewall
- CInternet appliance
- DNAS
73What type of coaxial cable is recommended for digital television cable signals?
- ARG - 6
- BRG - 8
- CRG - 58
- DRG - 59
74Which of the following devices work at Layer 2 of the OSI model? Choose Two
- AHub
- BRouter
- CSwitch
- DBridge
75Transmitting at 10Gbps, how far can signals on an MMF cable travel?
- A100 meters
- B550 meters
- C1 kilometer
- D40 kilometers
76You have just set up a network that will use the TCP/IP protocol, and you want client computers to automatically obtain IP configuration information. Which type of server do you need for this?
- ADNS
- BDHCP
- CDomain Controller
- DIP configuration server
77You have a computer with the IP address 171.226.18.1. What class is this address?
- AClass A
- BClass B
- CClass C
- DNo a valid IP address
78Which TCP/IP protocol uses port 80?
- AHTTP
- BHTTPS
- CTelnet
- DPOP3
79What is the maximum number of IPv6 addresses that can be assigned to one IPv6 interface?
- AOne (unicast)
- BTwo (unicast and anycast)
- CThree (unicast, anycast, and multicast)
- DNone of the above
80Which of the following are valid examples of IPv6 addresses? Choose Two
- A2001:0db8:3c4d:0012:0000:0000:1234:56ab
- B::ffff:c0a8:173
- C2001:db8:3c4d:12::1234:56ab
- D2001::1ab4::5468
81Which of the following IP addresses would not be valid for a DNS server on the Internet?
- A10.25.11.33
- B18.33.66.254
- C155.118.63.11
- D192.186.12.2
82The workstations on your network are configured to use a DHCP server. One of the workstations can't communicate with other computers. Its IP address is 169.254.1.18
- AThe subnet mask is wrong
- BIt has a private IP address
- CThe default gateway is wrong
- DIt can't reach the DHCP server
83Which of the following protocols is responsible for sending email?
- AIMAP4
- BPOP3
- CSMTP
- DSNMP
84What port does the RDP protocol work on?
- A53
- B143
- C389
- D3389
85Which two TCP/IP protocols work at the Host-to-Host layer of the DOD model? Choose Two
- AIP
- BARP
- CTCP
- DUDP
86What are two advantages that TCP has over UDP? Choose Two
- AAcknowledged delivery
- BFaster Delivery
- CLower Overhead
- DVirtual Circuits
87Your friend is concerned about the security of making an online purchase. What should you tell him to look for in the address bar of the web browser?
- AHTTP
- BHTTPS
- CSSH
- DSFTP
88You are manually configuring a TCP/IP host. Another administrator gives you the router's IP address. What is the TCP/IP term for this?
- ADefault gateway
- BSubnet mask
- CDNS server
- DDHCP server
89Your network is running IPv4. Which of the configuration options are mandatory for your host to communicate on the network? Choose Two
- AIP address
- BSubnet mask
- CDefault Gateway
- DDNS server address
90Which of the following protocols is used for secure delivery of email?
- ASMTP
- BSNMP
- CPOP3
- DIMAP4
91Which protocol was developed to be a secure alternative to Telnet?
- ASMB
- BSSH
- CSNMP
- DSFTP
92Which of the following protocols uses TCP port 23?
- ATelnet
- BSSH
- CFTP
- DDNS
93Which of the following is an IPv6 broadcast address?
- A::1
- BFE80::
- CFF00::
- D::FFFF
- ENone of the above
94You are setting up a small network that will not connect to the Internet. You want computers to be able to located each other by using hostnames. What service will do this?
- ADNS
- BDHCP
- CFTP
- DAPIPA
95Which of the following protocols is responsible for resolving IP addresses to hardware addresses?
- ADNS
- BDHCP
- CARP
- DRARP
96Which of the following wireless IEEE standards operate on the 2.4GHz radio frequency and are directly compatible with each other? Choose Two
- A802.11a
- B802.11b
- C802.11d
- D802.11g
97What is the primary function of SSID?
- ASecure communication between a web server and browser
- BSecure communication between a server and remote host
- CA type of password used to help secure a wireless connection
- DA type of password used to secure an Ethernet 802.3 connection
98Which two of the following are standards for cellular communications?
- AGSM
- BSIG
- CCDMA
- DCCFL
99What is the most secure wireless encryption standard for 802.11 networks?
- AWEP
- BWPA
- CWPA2
- DSAFER+
100What level of QoS is designated for interactive voice and video?
- A1
- B4
- C5
- D6
101You have just installed a wireless router on your home network. Which of the following should you do to make it highly secure? Choose Two
- AChange the default administrator name and password
- BChange the SSID
- CEnable WEP
- DConfigure it to channel 11
102You are setting up a small office network for a client. Which Internet service would you recommend to provide the best speed?
- ADSL
- BDial up
- CSatellite
- DBRI ISDN
- EPRI ISDN
103Which service allows users with private IP addresses to access the Internet using a public IP address?
- ADHCP
- BDNS
- CDMZ
- DNAT
104You are installing a single 802.11g wireless network. The office space is large enough that you need three WAPs. What channels should you configure the WAPs on to avoid communication issues?
- A2,5, and 7
- B1,8, and 14
- C1,6, and 11
- D3,6, and 9
105You are setting up a wireless network. Which wireless standards would give the users over 40Mbps throughput? Choose Three
- A802.11a
- B802.11b
- C802.11g
- D802.11n
106Which of the following are 4G standards? Choose Two
- ALTE
- BGSM
- CCDMA
- DWiMAX
107Which of the following wireless communication methods has an operational range of 1 meter with a viewing angle of 30 degrees?
- ABluetooth
- BInfrared
- CWiMAX
- DSatellite
108Which of the following are advantages to using dial up Internet service? Choose Two
- AHigh Speed
- BBroad availability
- CLow cost
- DHigh security
109Which of the following security standards was the first to introduce a dynamic 128 bit per packet security key?
- AWEP
- BTKIP
- CAES
- DCCMP
110You are running an 802.11g wireless router in mixed mode. You have three 802.11g wireless NICs using the router. A new user connects using an 802.11b wireless NIC. What will happen?
- AThe user with 802.11b will access the network at 11Mbps while the users with 802.11g will access the network at 54Mbps
- BThe user with 802.11b will no t be able to communicate on the network.
- CThe user with 802.11b will access the network at 11Mbps. The users with 802.11g will access the network at 54Mbps unless they are communicating with the 802.11b device, which will be at 11Mbps.
- DAll users will access the network at 11Mbps
111When enabled, which feature of a wireless router allows only specified computers to access the network?
- APort forwarding
- BWPS
- CSSID
- DMAC filtering
112A firewall operates by using a set of rules known as what?
- ASLA
- BACL
- CDefault delay
- DDMZ
113You have set up a wireless router on your network and configured it to use AES. What configuration option do you need to choose on the client computers?
- AWEP
- BWPA
- CWPA2
- DTKIP
114Besides 802.11 standards, which wireless communication method works in the 2.4GHz range?
- ABluetooth
- BInfrared
- CSatellite
- DCellular
115Which of the following broadband technologies provides two dedicated, digital data channels that can be combined for greater throughput?
- ADSL
- BCable
- CSatellite
- DBRI ISDN
- EPRI ISDN
116What is a Network ID most common to?
- AMany hosts
- BNetwork IDs
- CNumber of bits used for a Network ID
- DAny Network ID
117What is a Host ID most common to?
- ABeing unique on a network ID
- BMany hosts
- CAny network ID
- DValid Network IDs
118What is a Subnet Mask?
- AHost ID portion of all 0's
- BHost ID portion of all 1's
- CNumber of bits used for the Network ID
- DThe subnet ID, and segment ID
119Valid network IDs and host ID's cannot have? Choose Two
- AA unique network ID
- BAll bits set to 0
- CAll bits set to 1
- DA subnet ID and segment ID
120A class A IP is for?
- AReserved for multicasts (sending messages to multiple systems).
- BFor medium sized networks.
- CFor smaller networks with fewer hosts.
- DFor very large networks.
121A class B IP is for?
- AReserved for testing.
- BFor medium sized networks.
- CFor smaller networks with fewer hosts.
- DFor very large networks.
122A class C IP is for?
- AFor smaller networks with fewer hosts.
- BReserved for testing.
- CFor medium sized networks.
- DFor very large networks.
123A class D IP is for?
- AReserved for testing.
- BFor very large networks.
- CReserved for multicasts (sending messages to multiple systems)
- DFor smaller networks with fewer hosts.
124IPv6 uses Subnet masks
- AVerdadero
- BFalso
125A wireless access point (WAP) may connect to other wireless access point but eventually there will be a connection to a wired network.
- AVerdadero
- BFalso
126When you have a combination of 802.11b and 802.311g devices, WAPs will revert back to DSSS and will run at maximum 11Mbps
- AVerdadero
- BFalso
127802.11n Uses 40MHs channels (vs. 22MHz channels used by 802.11g) – combines two channels to almost double the output
- AVerdadero
- BFalso
128802.11n Uses channel bonding – allows the device to simultaneously communicate at 2.4GHz and 5GHz
- AVerdadero
- BFalso
129FSSS – hopes the transmission over a range of predefined frequencies although due to synchronization appears to be one channel at both ends.
- AVerdadero
- BFalso
130OFDM breaks data into subsignals and transmits them simultaneously using different frequencies and subbands.
- AVerdadero
- BFalso
131WAP uses a smaller version of HTML called Wireless Markup Language (WML)
- AVerdadero
- BFalso
132WAP-enabled devices can also respond to scripts using an environment called WMLScript (similar to JavaScript)
- AVerdadero
- BFalso
133WPA 2 uses CCMP, AES, is much stronger than TKIP
- AVerdadero
- BFalso
134ISDN is offered as:
• Basic Rate Interface (BRI) and • Primary Rate Interface (PRI)- AVerdadero
- BFalso
135Quality of Service (QoS)
Strategy that allows an administrator to control resources to maintain a certain service level
An administrator can set different priorities for one or more types of network traffic based on different applications, data flows, or users- AVerdadero
- BFalso
136two-factor authentication:
- AVerdadero
- BFalso
137Principal of lest privilege consists of and reduces? Choose all the apply
- ADenying access based on title.
- BLimiting access to information based on what is needed to perform a job function
- CFirst come first serve architecture
- DHelps reduce attack surface by eliminating unnecessary privileges
- EShould apply to users and processes on the system
- FProcesses should run at minimum security level needed to correctly function
- GTemptation to assign higher levels of privilege is great
138Malicious Software Warning? Choose all that apply
- APop-ups ads when surfing the Web
- BSlow system
- CScreen freezes
- DExcessive disk accesses
- EDrive access lights flashing
- FStrange or bizarre error messages
- GLess memory available
- HStrange graphics on monitor
- ISystem cannot recognize CD or DVD drive
- JFilenames have weird characters or large files
139Rootkits? Choose all that apply
- AWidely-spread software exploitation
- BHave the ability to hide certain things from the operating system by manipulating function calls to the OS and filtering out the info that would normally appear
- CNumber of processes running in your system that do not show up in Task Manager or connections that do not appear in a Netstat display
- DWritten to get around antivirus and antispyware
- EBest defense is to catch the rootkit in the process of installation
- FCannot get around antivirus and antispyware
- GBest defense is to catch the root kit after the process of installation
140The rise in VoIP makes possible for someone to call you from anywhere in the world without the worry of tracing caller ID and other features of the land line
- AVerdadero
- BFalso
141Spyware? Choose all that apply
- AInstalls itself on a computer
- BMust be clicked on via a link or email
- CUsers get it by downloading other programs, visiting an infected site, etc...
- DSpies on user and collects personal information by offering unsolicited pop-up advertisements "adware"
- ERecords all inputs to the keyboard
- FPasses information about the users on to marketers or intercepts personal data such as credit cards
142A Keylogger tracks all keystrokes
- AVerdadero
- BFalso
143Symptoms of a Virus/Malware? Choose all that apply
- ASystem is sluggish. Programs on your computer load more slowly.
- BYou get locked out of your PC
- CUnusual files appear on your hard drive or start to disappear from your system.
- DYou are denied access to all folders
- EProgram sizes change from the installed versions.
- FYou can no longer create or rename folders
- GYour browser, applications, or other software may have screens or menus changed from the installed versions.
- HYou get a scary picture flashing on your screen, Booo!!!!
- ISystem shuts down unexpectedly and when it restarts it has a lot of disk activity although you are not running any application
- JYou are denied access to a disk drive or system resources
144Types of Viruses? Choose all that apply
- APolymorphic
- BStealth
- CMorphing
- DRetroviruses
- EMultipartite
- FUnarmed
- GArmored
- HEscorted
- ICompanion
- JPhage
145How do Viruses Work and Spread? Choose all that apply
- AA virus may try to attach itself to every file in your system, and spread each time you send a document to other users.
- BA virus may try to attach itself to a file in your system, and spread each time you send a document to other users.
- CA virus may try to attach itself to your hard drive and spread each time you send a document to other users.
- DA virus may imbed itself in your RAM and spread each time you send a document to other users.
146What is an Armored Virus? Choose all that apply
- ADesigned to make itself difficult to analyze and detect
- BDesigned to make itself difficult to penetrate
- CWritten in such a way that act as a decoy to distract (delay) analysis while the actual code hides in other areas of the program
- DWritten in such a way to destroy areas of a program
- EIf debuggers detect the virus, the virus kills itself
- FIf debuggers detect the virus, the virus kills the system
- GKey to stopping most viruses is to identify them quickly and educate users about them – the very things the armor makes difficult to accomplish
- HKey to stopping most viruses is to identify them quickly and use anti-virus software
147Companion or Spawning or Clustering Viruses? Choose all that apply
- AInfects files on your system with out modifying a single byte
- BInfects files on your system by modifying program bytes
- CAttaches itself to legitimate .EXE program and then creates a program with a different file extension .COM
- DAttaches itself to legitimate .RAR program and then creates a program with a different file extension .COM
- EMake changes to the registry pointing to the infected program
- FMake changes to the registry pointing to an un-infected program so antivirus will target it instead
- GIt is easily detected
- HIt is not easily detected
148Macro Viruses? Choose all that apply
- AExploits the enhancements made to many application programs by supporting a mini BASIC programming language that allows files to be manipulated automatically.
- BExploits the enhancements made to many application programs by supporting a wide BASIC programming language that allows files to be manipulated automatically.
- CIt infects the macros within a document or a template (Normal.dot)
- DIt infects the macros within a document or a template (Normal.com)
- EFaster growing exploitation code
- FHyper Fast growing exploitation code
149Multipartite Viruses attack by? Choose all that apply
- AIt attacks your system in many ways
- BIt attacks your system in specific ways
- CIt may attempt to infect your boot sector, all your executable files, and destroy your applications
- DIt infects your boot sector, and destroy your applications
- EThe hope is that you will not be able to correct all the problems and will allow the infestation to continue
- FThe hope is that you will not be able to detect the wrong problems and the infestation to continue
150Phage Viruses? Choose all that apply
- AModify and alter other programs and databases. It usually modifies the beginning of the executable code, destroying files in the process
- BModify programs and usually modifies the beginning of the executable code.
- CAlters programs and databases with the specific intent of destroying system, files.
- DModifies and alters executable code.
151A Polymorphic viruses encrypts its code in different ways so it appears
differently in each infection.- AVerdadero
- BFalso
152A Polymorphic virus? Choose all that apply
- ACan encrypt its code in different ways so it appears
differently in each infection - BCannot encrypt its code in different ways so it appears
differently in each infection - CAttack your system, displays a message on your computer, and it deletes files on your system
- DAttack your system, displays a message on your computer, but does not delete files on your system
- EHides from your antivirus software
- FMutates – the virus will encrypt parts of itself to avoid detection
- GRetreats – the virus will encrypt parts of itself to avoid detection
- HVirus changes a definition/encrypt parts of itself to fool antivirus software
- ACan encrypt its code in different ways so it appears
153Retroviruses actively attack or bypass the anti-virus software, Example: Bugbear
- AVerdadero
- BFalso
154Stealth Viruses? Choose all that apply
- ATry to conceal their presence by mimicking the appearance of an uninfected system
- BTry to conceal their presence by cloning an uninfected system
- CIntercept disk-access requests by anti-virus software to be able to relay “clean” results
- DReplicate disk-access requests by anti-virus software to be able to relay “clean” results
- EMay hide changes in file size by displaying the size before infection.
- FMake changes in file size by displaying the size before infection.
Información
- Descripción
- Test sobre A+ Final Exam, creado por Barry Ferreira el 01/12/2014.
- Autor
- Barry Ferreira
- Idioma
- English
- Visitas
- 26
- Valoración
- Aún sin valoraciones Valora este test