IBPS RRB SO IT Professional Knowledge Quiz: 30th August

Q1. A graphic representation of an information system is called?

(a) Flow chart

(b) Pictogram

(c) Data flow diagram

(d) Histogram

(e) None of above

S1. Ans.(c)

Q2. Which one of the following is not a fundamental data type in C++ ?

(a) float

(b) string

(c) int

(d) wchar_t

(e) None of these

S2. Ans.(a)

Q3. Which type of operating system are required to complete a critical task within a guaranteed amount of time?

(a) Real Time Operating Systems

(b) Multi-Tasking Operating Systems

(c) Distributed Operating Systems

(d) Batch operating system

(e) None of the above

S3. Ans.(a)

Sol.

A real-time operating system (RTOS) is an operating system (OS) intended to serve real-time applications that process data as it comes in, typically without buffer delays. Processing time requirements (including any OS delay) are measured in tenths of seconds or shorter increments of time.

Q4. Which of the following is a technique used to speed up communication with slow devices?

(a) Fragmentation

(b) Caching

(c) Segmentation

(d) Cleaning

(e) None of the above

S4. Ans.(b)

Sol. Caching is a very general technique for improving computer system performance. Based on the principle of locality of reference, it is used in a computer’s primary storage hierarchy, its operating system, networks, and databases.

Q5.Which is the following message denotes the request page has moved temporarily to a new URL?

(a) 202 Accepted

(b) 201 created

(c) 301 Moved Permanently

(d) 302 Found

(e) None of these

S5. Ans.(d) .

Q6. <UL> … </UL> tag is used to ________

(a) display the numbered list

(b) underline the text

(c) display the bulleted list

(d) bold the text

(e) None of these

S6. Ans.(c)

Q7. What is the correct syntax in HTML for creating a link on a webpage?

(a) <a href=”url”>link text</a>

(b) <b href=”url”>link text</b>

(c) <b src=”url”>link text</b>

(d) <a alt=”url”>link text</a>

(e) None of these

S7. Ans.(a)

Q8. Which of the following are the properties of entities?

(a) Groups

(b) Table

(c) Attributes

(d) Switch

(e) Tuple

S8. Ans.(c)

Sol.

Attribute is a characteristic or trait of an entity type that describes the entity, for example, the Person entity type has the Date of Birth attribute.

Q9.Which of the following is a valid SQL type?

(a) Character

(b)Numeric

(c) Float

(d) Real

(e) All of the above

S9. Ans.(e)

Sol.

Each column in a database table is required to have a name and a data type. The data type is a guideline for SQL to understand what type of data is expected inside of each column, and it also identifies how SQL will interact with the stored data.

Q10. What is Response time in operating system?

(a) the total time taken from the submission time till the completion time

(b) the total time taken from the submission time till the first response is produced

(c) the total time taken from submission time till the response is output

(e) total completion time

(d) none of the mentioned

S10. Ans.(b)
Sol.

Response time is the time of submission to the time the first response is produced.

Q11. Which of the following device assigns IP address to devices connected to a network that uses TCP/IP?

(a) DHCP Server

(b) NIC

(c) Gateway

(d) Hub

(e) Switch

S11. Ans.(a)

Sol.

A DHCP Server is a network server that automatically provides and assigns IP addresses, default gateways and other network parameters to client devices. It relies on the standard protocol known as Dynamic Host Configuration Protocol or DHCP to respond to broadcast queries by clients.

Q12.Which of the following device takes data sent from one network device and forwards it to the destination node based on the MAC address?

(a) Hub

(b) Switch

(c) Gateway

(d) Modem

(e) Repeater

S12. Ans.(b) 
Sol.

Switch is a unicasting device that sends data to a particular device according to its MAC address. Switch include memory to store the MAC address of the connected devices.

Q13. Which of the following functionalities must be implemented by a transport protocol over and above the network protocol?

(a) Recovery from packet losses

(b) Detection of duplicate packets

(c) Packet delivery in the correct order

(d) End to end connectivity

(e) Provide authentication of packets

S13. Ans.(c) 

Sol.

Packet delivery in the correct order. TCP and UDP are the transport layer protocols. Removes form packet losses, Detection of duplicate packets and end to end connectivity are the responsibilities of TCP but not UDP. Packet delivery in the correct order is must for both TCP and UDP.

Q14. Which protocol uses port 23?

(a) FTP

(b) SMTP

(c) Telnet

(d) HTTP

(e) DNS

S14. Ans.(c)

Q15.What is the physical address of a network interface card?

(a) NIC

(b) MAC

(c) IP

(d) ARP

(e) SMTP

S15. Ans.(b)