Xml is case-sensitive ?

Ответ:

Верно Неверно

Question 59

What can't harm an information system?

Выберите один ответ.

a. Trojan horses

b. Malware

c. Tokens

d. Viruses

e. Updates

Question 60

What does Antivirus and antispyware software?

Выберите один ответ.

a. Examines events as they are happening to discover attacks in progress

b. Port blocking

c. Checks computers for presence of malware and can often eliminate it as well

d. Proxy filtering

e. Authenticates users, protecting identities, controlling access

Question 61

System Vulnerability and Abuse. Spoofing is

Выберите один ответ.

a. Eavesdropping program that monitors information traveling over network

b. Using of numerous computers to launch a DoS

c. Flooding server with thousands of false requests to crash the network.

d. Enabling hackers to steal proprietary information such as e-mail, company files, etc.

e. Misrepresenting oneself by using fake e-mail addresses or masquerading as someone else

Question 62

System Vulnerability and Abuse. Worm is

Выберите один ответ.

a. Software program that appears to be benign but then does something other than expected

b. Independent computer programs that copy themselves from one computer to other computers over a network

c. Rogue software program that attaches itself to other software programs or data files in order to be executed

d. Eavesdropping program that monitors information traveling over network

e. Small programs install themselves surreptitiously on computers to monitor user Web surfing activity and serve up advertising

Question 63

Which of the following SQL statements is correct?

Выберите по крайней мере один ответ:

a. SELECT CustomerName, COUNT(customer_id) FROM Orders GROUP BY CustomerName

b. SELECT CustomerName, COUNT(CustomerName) FROM Orders

c. SELECT CustomerName, COUNT(CustomerName) FROM Orders ORDER BY CustomerName

d. SELECT CustomerName, COUNT(CustomerName) FROM Orders GROUP BY CustomerName

e. SELECT CustomerName, COUNT(*) FROM Orders GROUP BY CustomerName

Question 64

Can you associate many DTDs with an XML document ?

Ответ:

Верно Неверно

Question 65

What is right for Sequential File Organization?

Выберите по крайней мере один ответ:

a. Records are stored in the order they were entered

b. Go directly to desired record by using a key

c. Tape storage uses sequential organization

d. If a particular record is desired, all prior records must be read first

e. Organization may be Direct/Indexed

Question 66

What is right for Use case model?

Выберите по крайней мере один ответ:

a. Illustrate a system

b. Use cases are usually described in a textual document that accompanies a use case diagram; the combination of these use case diagrams & their supporting documentation is known as a use case model

c. A single user may play only one role

d. Are used to communicate

e. Provide a union of testers & developers to discuss the database stability

Question 67

What is redirecting Web link to address different from intended one, with site masquerading as intended destination?

Выберите один ответ.

a. Denial-of-service attacks

b. Distributed denial-of-service attacks

c. Spoofing

d. Botnets

e. Sniffer

Question 68

With SQL, how do you select all the records from a table named "Persons" where the "LastName" is alphabetically between (and including) "Hansen" and "Pettersen"?

Выберите один ответ.

a. SELECT LastName>'Hansen' AND LastName<'Pettersen' FROM Persons

b. SELECT * FROM Persons WHERE LastName>'Hansen' AND LastName<'Pettersen'

c. SELECT LastName BETWEEN 'Hansen' AND 'Pettersen' FROM Persons

d. SELECT LastName>='Hansen' AND LastName<='Pettersen' FROM Persons

e. SELECT * FROM Persons WHERE LastName BETWEEN 'Hansen' AND 'Pettersen'

Question 69

Database is..

Выберите один ответ.

a. simplifies data entry by displaying one record at a time

b. formatted information suitable for distribution

c. a collection of records for a single subject

d. a collection of related tables and objects

e. selects data based on selection criteria

Question 70