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Perguntas do quiz (69)
1 A(n) __________ is a structured collection of data stored for use by one or more applications.
- Adatabase
- Binference
- Ctuple
- Dattribute
2The basic building block of a __________ is a table of data, consisting of rows and columns, similar to a spreadsheet.
- Arelational database
- Bquery set
- CDBMS
- Dperbutation
3A _________ is defined to be a portion of a row used to uniquely identify a row in a table.
- Aquery
- Bforeign key
- Cprimary key
- Ddata perbutation
4A _____ is a virtual table.
- Atuple
- Bview
- Cquery
- Ddbms
5A(n) __________ is a user who has administrative responsibility for part or all of the database.
- Aadministrator
- Bapplication owner
- Cdatabase relations manager
- Dend user other than application owner
6An end user who operates on database objects via a particular application but does not own any of the database objects is the __________.
- Aforeign key
- Bapplication owner
- Cend user other than the application owner
- Dadministrator
7__________ is the process of performing authorized queries and deducing unauthorized information from the legitimate responses received.
- Apartitioning
- Bcompromise
- Cperbutation
- Dinference
8Statistics are derived from a database by means of a ___________.
- Apartition
- Bcharacteristic formula
- Cdata perbutation
- Dcompromise
9With __________ the records in the database are clustered into a number of mutually exclusive groups and the user may only query the statistical properties of each group as a whole.
- Apartitioning
- Bcompromise
- Cinference
- Dquery restriction
10__________ is when the data in the SDB can be modified so as to produce statistics that cannot be used to infer values for individual records.
- Adata perbutation
- BDatabase access control
- CInference channeling
- DOutput perbutation
11_________ is an organization that produces data to be made available for controlled release, either within the organization or to external users.
- Adata owner
- Bclient
- Cserver
- Duser
12__________ is an organization that receives the encrypted data from a data owner and makes them available for distribution to clients.
- Aserver
- Bclient
- Cuser
- Ddata owner
13The __________ cloud infrastructure is a composition of two or more clouds that remain unique entities but are bound together by standardized or proprietary technology that enables
data and application portability.- Ahybrid
- Bprivate
- Ccommunity
- Dpublic
14A query language provides a uniform interface to the database.
- Atrue
- Bfalse
15SQL Server allows users to create roles that can then be assigned access rights to portions of the database
- Atrue
- Bfalse
16A census database is an example of a pure statistical database.
- Atrue
- Bfalse
17Query restriction provides answers to all queries, but the answers are approximate.
- Atrue
- Bfalse
18The simplest form of query restriction is query size restriction.
- Atrue
- Bfalse
19Random-sample query is a simple output perturbation technique.
- Atrue
- Bfalse
20Encryption can be applied to the entire database, at the record level, at the attribute level, or at the level of the individual field.
- Atrue
- Bfalse
21A telephone directory is an example of a statistical database.
- Atrue
- Bfalse
22To create a relationship between two tables, the attributes that define the primary key in one table must appear as attributes in another table, where they are referred to as a foreign key.
- Atrue
- Bfalse
23The value of a primary key must be unique for each tuple of its table.
- Atrue
- Bfalse
24A foreign key value can appear multiple times in a table.
- Atrue
- Bfalse
25A view cannot provide restricted access to a relational database so it cannot be used for security purposes.
- Atrue
- Bfalse
26The database management system operates on the assumption that the computer system has authenticated each user.
- Atrue
- Bfalse
27The two commands that SQL provides for managing access rights are ALLOW and DENY.
- Atrue
- Bfalse
28Fixed server roles operate at the level of an individual database.
- Atrue
- Bfalse
29A program that is covertly inserted into a system with the intent of compromising the integrity or confidentiality of the victim’s data is __________.
- Amalware
- BAdobe
30__________ are used to send large volumes of unwanted e-mail.
- ASpammer programs
- Brootkits
31A __________ is code inserted into malware that lies dormant until a predefined condition, which triggers an unauthorized act, is met.
- Alogic bomb
- Bworm
32The term “computer virus” is attributed to __________.
- AFred Cohen
- BAlbert Einstein
33Computer viruses first appeared in the early __________.
- A1980s
- B1820s
34The __________ is what the virus “does”.
- Apayload
- Btrigger
35The __________ is when the virus function is performed.
- Aexecution phase
- Bpropagation phase
36During the __________ the virus is idle.
- Adormant phase
- Bexecution phase
37A __________ uses macro or scripting code, typically embedded in a document and triggered when the document is viewed or edited, to run and replicate itself into other such documents.
- Amacro virus
- Bfile infector
38__________ is the first function in the propagation phase for a network worm.
- Afingerprinting
- Bkeylogging
39Unsolicited bulk e-mail is referred to as __________.
- Aspam
- Bphishing
40__________ is malware that encrypts the user’s data and demands payment in order to access the key needed to recover the information.
- Aransomware
- Bcrimeware
41A __________ attack is a bot attack on a computer system or network that causes a loss of service to users.
- ADDoS
- Bspan
42The ideal solution to the threat of malware is __________.
- Aprevention
- Bremoval
43__________ will integrate with the operating system of a host computer and monitor program behavior in real time for malicious actions.
- Abehavior-blocking software
- BHeuristic scanners
44Malicious software aims to trick users into revealing sensitive personal data.
- AT
- BF
45In addition to propagating, a worm usually carries some form of payload.
- AT
- BF
46A Trojan horse is an apparently useful program containing hidden code that, when invoked, performs some harmful function.
- At
- Bf
47Packet sniffers are mostly used to retrieve sensitive information like usernames and passwords.
- At
- Bf
48A bot propagates itself and activates itself, whereas a worm is initially controlled from some central facility.
- At
- Bf
49Every bot has a distinct IP address.
- At
- Bf
50Programmers use backdoors to debug and test programs.
- At
- Bf
51Keyware captures keystrokes on a compromised system.
- At
- Bf
52Metamorphic code is software that can be shipped unchanged to a heterogeneous collection of platforms and execute with identical semantics.
- At
- Bf
53A virus that attaches to an executable program can do anything that the program is permitted to do.
- At
- Bf
54It is not possible to spread a virus via an USB stick.
- At
- Bf
55A logic bomb is the event or condition that determines when the payload is activated or delivered.
- At
- Bf
56Many forms of infection can be blocked by denying normal users the right to modify programs on the system.
- At
- Bf
57A macro virus infects executable portions of code.
- At
- Bf
58E-mail is a common method for spreading macro viruses.
- At
- Bf
59What is an ICMP echo flood attack? What defense would you use against an ICMP echo flood attack?
- AAn ICMP flood attack is typically done by sending pings to a network interface at a rate higher than the interface can respond. The key defense is to turn handling of ICMP echo requests.
- B. . .
60Describe what a SlowLoris attack is. How do you defend against it?
- AA Slowloris attack attempts to use multiple threads to support multiple requests to the same server application and monopolize all the available request handling threads.
To defend a Slowloris attack, you can limit the rate of incoming connections for a particular host, vary the timeout on connections as a function of the number of connections, and perform delayed binding by the load balancing software. - B. . .
- AA Slowloris attack attempts to use multiple threads to support multiple requests to the same server application and monopolize all the available request handling threads.
61What is typically used for distributed denial of service attacks?
- Abotnet
- Btrojan horse
62Why is DNS used in amplification attacks?
- ABecause the response generated is much larger than the requests.
- BNo answer
63What is the key defense against a reflection-based attack?
- APrevent spoofed source addresses
- BPrevent a denial of service
64What is a broadcast amplification attack? What defense would you use against a broadcast amplification attack?
- ATurn off IP-directed broadcasts
- BNo answer
65The ICMP echo response packets generated in response to a ping flood using randomly spoofed source addresses is known as ______________ traffic.
- Abackscatter
- Bback scatter
66_____________ attacks flood the network link to the server with a torrent of malicious packets competing with valid traffic flowing to the server.
- AFlooding attacks
- B...
67The standard protocol used for call setup in VoIP is the _____________ Protocol
- ASession Initiation
- B...
68Requests and __________ are the two different types of SIP messages.
- Aresponses
- B.
69A _______________ flood refers to an attack that bombards HTTP requests.
- AHTTP
- B.
Informações
- Descrição
- Quiz sobre Sem título, criado por Evan Salzman em 10-12-2017.
- Autor
- Evan Salzman
- Idioma
- English
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