ICT Exam Preparation | Basic Computer Security and Viruses Important MCQ Questions (Part 3)

Here is a collection of Basic Computer Security and Viruses Important MCQ Questions for Loksewa and Bank Exam Preparation that you can practice. This Computer Security and Viruses Important MCQ Questions are useful for Loksewa and Bank Exam Preparation of various banks like Agriculture Development Bank (ADBL), Nepal Rastra Bank (NRB), Rastriya Banijya Bank (RBB), Nepal Bank Limited (NBL) and other organizations and are also helpful for Loksewa Aayog competitive exams . This collection contains various Important Basic Computer Security and Viruses MCQ Questions and other related topics for various bank exam preparation Loksewa Exam Preparation.

In this blog, Basic Computer Security and Viruses there are Important MCQ Questions for Agriculture Development Bank (ADBL), Nepal Rastra Bank (NRB), Rastriya Banijya Bank (RBB), Nepal Bank Limited (NBL) and other organizations that have been collected for you to study easily and are also useful for other various competitive examinations of LokSewa Aayog. The motive of this blog is to make it easier for you to study and practice Basic Computer Security and Viruses Important MCQ Questions for Various Banks like ADBL, NRB, RBB, NBL, Loksewa Aayog and other organizations.

Here you can find Basic Computer Security and Viruses Important MCQ Questions for bank exam and LokSewa Examination being arranged separately according to the related topics and almost all of the topics that are required to study have been tried to cover. Most of the Basic Computer Security and Viruses Important MCQ Questions have been collected for you to practice and score best in bank exams and Loksewa aayog examination.

Basic Computer Security and Viruses Important MCQ Questions Bank Examination and for Loksewa Examination

Basic Computer Security and Viruses Important MCQ Questions परीक्षा तयारीका लागि जुन तपाइँ अभ्यास गर्न सक्नुहुन्छ। यस Basic Computer Security and Viruses Important MCQ Questions कृषि विकास बैंक (ADBL), नेपाल राष्ट्र बैंक (NRB), राष्ट्रिय वाणिज्य बैंक (RBB), नेपाल बैंक लिमिटेड (NBL) बैंकको परीक्षाको लागि महत्वपूर्ण प्रश्नहरू छन्, लोकसेवा आयोगको प्रतियोगी परीक्षा र अन्य संगठनहरूको लागि पनि सहयोगी छन्। यस एकाइले विभिन्न Basic Computer Security and Viruses Important MCQ Questions विभिन्न बैंक परीक्षा तयारी र लोकसेवा परीक्षा तयारको लागि अन्य सम्बन्धित विषयहरू समावेश गर्दछ।

यस ब्लगमा कृषि विकास बैंक (ADBL), नेपाल राष्ट्र बैंक (NRB), राष्ट्रिय वाणिज्य बैंक (RBB), नेपाल बैंक लिमिटेड(NBL) र अन्य संगठनहरू को विभिन्न प्रतिस्पर्धी परीक्षाका लागि र लोकसेवाका लागि Basic Computer Security and Viruses Important MCQ Questions तपाईंलाई सजिलैसँग अध्ययन गर्नका लागि संकलन गरिएको छ र उपयोगी छन् । यस ब्लगको अभिप्राय लोकसेवा, बैंक र अन्य संगठनहरूका लागि Basic Computer Security and Viruses Important MCQ Questions हरू अध्ययन गर्न र अभ्यास गर्न सजिलो पार्नु हो।

लोकसेवा र बैंक परीक्षाका लागि Basic Computer Security and Viruses Important MCQ Questions हरू सम्बन्धित विषयहरूको आधारमा छुट्टै व्यवस्था गरिएको छ र अध्ययन गर्न आवश्यक पर्ने सबै विषयहरूलाई कभर गर्ने प्रयास गरिएको छ। अधिकांश Basic Computer Security and Viruses Important MCQ Questions हरू तपाईलाई अभ्यास गर्न र लोकसेवा परीक्षा र बैंक परीक्षामा राम्रो स्कोर गर्न संकलन गरिएको छ।

Results

Your score is more than 70%, you can practice more and score good in the examination.

Your score is less than 70%, so try to practice more and score good.

#1. Encryption can be done

only on textual data

only on textual data

on any bit string

on any bit string

only on mnemonic data

only on mnemonic data

only on ASCII coded data

only on ASCII coded data

#2. EDI (Electronic Data Interchange) over internet uses

SGML to send business forms

SGML to send business forms

HTTP to send business forms

HTTP to send business forms

MIME to attach EDI forms to e-mail messages

MIME to attach EDI forms to e-mail messages

FTP to send business forms

FTP to send business forms

#3. EDI (Electronic Data Interchange) use

can be done on internet

can be done on internet

requires value added network

requires value added network

requires an extranet

requires an extranet

requires a corporate intranet

requires a corporate intranet

#4. For secure EDI (Electronic Data Interchange) transmission on internet

PGP is used

PGP is used

MIME is used

MIME is used

TCP/IP is used

TCP/IP is used

S/MIME is used

S/MIME is used

#5. Firewall as part of a router program

filters packets travelling from and to the intranet from the internet

filters packets travelling from and to the intranet from the internet

filters only packets going to internet

filters only packets going to internet

ensures rapid traffic of packets for speedy e-Commerce

ensures rapid traffic of packets for speedy e-Commerce

filters only packets coming from internet

filters only packets coming from internet

#6. Proxy application gateway

Select all that apply:

acts on behalf of all intranet users wanting to access internet securely

acts on behalf of all intranet users wanting to access internet securely

disallows all internet users from accessing intranet

disallows all internet users from accessing intranet

disallows use of certain protocols with security problems

disallows use of certain protocols with security problems

monitors all accesses to internet and allows access to only specified IP addresses

monitors all accesses to internet and allows access to only specified IP addresses

#7. What Security trade-off occurs while using IDS (Intrusion Detection System)?

Login Failures

Login Failures

Performance degradation

Performance degradation

Change in permission

Change in permission

Change in privilege

Change in privilege

#8. A company requires each employee to power off his computer at the end of the day. This rule was implemented to make the network _______.

more reliable

more reliable

more error-free

more error-free

perform better

perform better

more secure

more secure

#9. By applying permutation (31254) and substitution by 5 characters away from current character (A Æ F , B Æ G etc..) the following string ABRACADABRA becomes

WFGHFFFIWGF

WFGHFFFIWGF

FGWCAAADRBF

FGWCAAADRBF

None of the above

None of the above

RABCAAADRBF

RABCAAADRBF

#10. A firewall may be implemented in

routers which connect intranet to internet

routers which connect intranet to internet

expensive modem

expensive modem

user’s application programs

user’s application programs

bridges used in an intranet

bridges used in an intranet

#11. By symmetric key encryption we mean

one private key is used for both encryption and decryption

one private key is used for both encryption and decryption

private and public key used are symmetric

private and public key used are symmetric

only symmetric key is used for encryption

only symmetric key is used for encryption

only public keys are used for encryption

only public keys are used for encryption

#12. Encryption is required to

Select all that apply:

to protect information stored in companies’ databases from retrieval

to protect information stored in companies’ databases from retrieval

to preserve secrecy of information stored in databases if an unauthorized person retrieves it

to preserve secrecy of information stored in databases if an unauthorized person retrieves it

efficiently use the bandwidth available in PSTN

efficiently use the bandwidth available in PSTN

protect business information from eavesdropping when it is transmitted on internet

protect business information from eavesdropping when it is transmitted on internet

#13. A hardened firewall host on an intranet

Select all that apply:

Allows specified internet users to access specified services in the intranet

Allows specified internet users to access specified services in the intranet

Initiates all internet activities requested by clients and monitors them

Initiates all internet activities requested by clients and monitors them

has a proxy application gateway program running on it

has a proxy application gateway program running on it

prevents outsiders from accessing IP addresses within the intranet

prevents outsiders from accessing IP addresses within the intranet

#14. EDI (Electronic Data Interchange) standard

is not popular

is not popular

defines several hundred transaction sets for various business forms

defines several hundred transaction sets for various business forms

is not easily available

is not easily available

defines only a transmission protocol

defines only a transmission protocol

#15. A firewall is a

device to prevent all accesses from the internet to the corporate intranet

device to prevent all accesses from the internet to the corporate intranet

security device deployed at the boundary of a corporate intranet to protect it from unauthorized access

security device deployed at the boundary of a corporate intranet to protect it from unauthorized access

wall built to prevent fires from damaging a corporate intranet

wall built to prevent fires from damaging a corporate intranet

security device deployed at the boundary of a company to prevent unauthorized physical access

security device deployed at the boundary of a company to prevent unauthorized physical access

#16. By security in e-Commerce we mean

Select all that apply:

Protecting an organization’s data resource from unauthorized access

Protecting an organization’s data resource from unauthorized access

Preventing disasters from happening

Preventing disasters from happening

Authenticating messages received by an organization

Authenticating messages received by an organization

Protecting messages sent on the internet from being read and understood by unauthorized persons/organizations

Protecting messages sent on the internet from being read and understood by unauthorized persons/organizations

#17. A hardened firewall host on an Intranet is

a software which runs on a special reserved computer on the intranet

a software which runs on a special reserved computer on the intranet

a software which runs in any of the computers in the intranet

a software which runs in any of the computers in the intranet

a mainframe connected to the intranet to ensure security

a mainframe connected to the intranet to ensure security

a stripped down computer connected to the intranet

a stripped down computer connected to the intranet

#18. By encryption of a text we mean

scrambling it to preserve its security

scrambling it to preserve its security

hashing it

hashing it

compressing it

compressing it

expanding it

expanding it

#19. Main function of proxy application gateway firewall is

to allow corporate users to use efficiently all internet services

to allow corporate users to use efficiently all internet services

to allow corporate users to use all internet services

to allow corporate users to use all internet services

to allow intranet users to securely use specified internet services

to allow intranet users to securely use specified internet services

to prevent corporate users from using internet services

to prevent corporate users from using internet services

#20. The following ciphertext was received. The plaintext was permuted using permutation (34152) and substitution. Substitute character by character +3 (A Æ D, etc). The plain text after decryption is: Cipher text :PDLJDLXHVQC

MAIGAIUESNZ

MAIGAIUESNZ

IAMAGENIUSZ

IAMAGENIUSZ

IAMAGENIUSC

IAMAGENIUSC

LDPDJHPLXVZ

LDPDJHPLXVZ

Finish