Study sets
English

IT Passport Examination (IP) | Technology: Networks, Databases and Security Questions 07

1 / 230.0s

Problem 1

Which function translates between private and global IP addresses?

View explanation

The answer is "NAT": the function translating between private and global IP addresses.

Problem 2

Which relay server accesses external servers on behalf of clients?

View explanation

The answer is "proxy server": the relay server accessing external servers on behalf of clients.

Problem 3

Which protocol provides reliable communication with delivery confirmation and retransmission control?

View explanation

The answer is "TCP": the protocol providing reliable communication with delivery confirmation and retransmission control.

Problem 4

Which protocol sends data with low overhead, forgoing any guarantee of delivery?

View explanation

The answer is "UDP": sending data with low overhead and no guarantee of delivery.

Problem 5

Which protocol keeps mail on the server, making it easy to see the same state from several devices?

View explanation

The answer is "IMAP": keeping mail on the server so that the same state is easily seen from several devices.

Problem 6

Which version of IP has a 128-bit address space?

View explanation

The answer is "IPv6": the version of IP with a 128-bit address space.

Problem 7

Which index maps column values to storage positions in order to speed up searching?

View explanation

The answer is "database index": mapping column values to storage positions in order to speed up searching.

Problem 8

Which virtual table is defined by taking the required rows and columns from one or more tables?

View explanation

The answer is "view": the virtual table defined by taking the required rows and columns from one or more tables.

Problem 9

Which set of statements defines data structures, such as creating, altering and dropping tables?

View explanation

The answer is "DDL": the set of statements defining data structures, such as creating, altering and dropping tables.

Problem 10

Which operation undoes the updates made during a transaction and returns to the state before it began?

View explanation

The answer is "rollback": undoing the updates made during a transaction and returning to the state before it began.

Problem 11

Which operation finalizes the updates made by a transaction?

View explanation

The answer is "commit": finalizing the updates made by a transaction.

Problem 12

Which malware does not attach itself to other files but propagates on its own over networks and the like?

View explanation

The answer is "worm": malware that does not attach itself to other files but propagates on its own over networks and the like.

Problem 13

Which malware poses as useful software and performs unauthorized actions once the user runs it?

View explanation

The answer is "Trojan horse": malware posing as useful software that performs unauthorized actions once the user runs it.

Problem 14

Which attack slips malicious SQL into an input field to manipulate a database without authorization?

View explanation

The answer is "SQL injection": slipping malicious SQL into an input field to manipulate a database without authorization.

Problem 15

Which attack embeds a malicious script in a web page so that it runs in the visitor's browser?

View explanation

The answer is "cross-site scripting": embedding a malicious script in a web page so that it runs in the visitor's browser.

Problem 16

Which attack exhausts resources with a flood of requests and the like, making a service unusable?

View explanation

The answer is "DoS attack": exhausting resources with a flood of requests and the like, making a service unusable.

Problem 17

Which mechanism monitors networks and hosts, detecting and reporting signs of unauthorized access?

View explanation

The answer is "IDS": monitoring networks and hosts, detecting and reporting signs of unauthorized access.

Problem 18

Which mechanism detects unauthorized traffic and blocks it automatically?

View explanation

The answer is "IPS": detecting unauthorized traffic and blocking it automatically.

Problem 19

Which mechanism detects and blocks attacks on web applications by inspecting the content of HTTP traffic?

View explanation

The answer is "WAF": detecting and blocking attacks on web applications by inspecting the content of HTTP traffic.

Problem 20

Which zone holds externally published servers, separated from the internal network?

View explanation

The answer is "DMZ": the zone holding externally published servers, separated from the internal network.

Problem 21

Which rate is the proportion of genuine users wrongly rejected by biometric authentication?

View explanation

The answer is "false rejection rate": the proportion of genuine users wrongly rejected by biometric authentication.

Problem 22

Which data consists of a public key and its owner's details, signed electronically by a certification authority?

View explanation

The answer is "digital certificate": a public key and its owner's details, signed electronically by a certification authority.

Problem 23

Which approach verifies every time regardless of where the connection comes from and grants access with least privilege?

View explanation

The answer is "zero trust": verifying every time regardless of where the connection comes from and granting access with least privilege.