Computer Networks

291 questions available

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All Network Basics 277 LAN WAN MAN PAN Wi-Fi 1 Bluetooth Network Devices 2 IP Address 5 Basic Networking Terms 6
Showing 221–240 of 291

Q221.Suppose you are working on page 5 and you want to start a new text on page 6. Which is the best way to move to the next page?

Easy
A Use a page break at page 6
B Keep pressing the “Enter” key until you reach page 6
C Use a page break at page 5
D None of these
Network Basics PPSC

Correct Answer: C

Inserting a manual page break (Ctrl + Enter) at the end of page 5 instantly pushes the cursor to page 6, maintaining clean formatting without empty paragraphs.

Q222.Which device(s) can't work properly without driver?

Easy
A Mouse
B Printer
C Network
D All of the above
Network Basics PPSC

Correct Answer: D

Peripheral hardware (including printers, mice, and network cards) requires specific device drivers to communicate with the operating system.

Q223.Which connects two or more computers in a same network?

Easy
A Switch
B Repeater
C Router
D None of these
Network Basics PPSC

Correct Answer: A

A network switch connects multiple computers within the same local network (LAN) and routes frames directly to specific destination MAC addresses.

Q224.In C language, compound operator contains _____ operator and assignment operator.

Easy
A Arithmetic
B Rational
C Logical
D None of these
Network Basics PPSC

Correct Answer: A

In C, compound assignment operators (e.g., +=, -=, *=) combine an arithmetic operator with the assignment operator (=) to shorten code.

Q225.In a C language program, the statement terminator is ______?

Easy
A %
B :
C ;
D None of these
Network Basics PPSC

Correct Answer: C

The semicolon (;) is used as the statement terminator in C, notifying the compiler of the end of an instruction.

Q226.The number of heading tag levels in Hypertext Markup Language (HTML) is _____?

Easy
A 7
B 6
C 5
D None of these
Network Basics PPSC

Correct Answer: B

HTML standard provides exactly 6 levels of heading tags, from <h1> (highest importance) to <h6> (lowest importance).

Q227.Every web server is accessed through _____?

Easy
A Cell phone
B Postal address
C IP address
D None of these
Network Basics PPSC

Correct Answer: C

Every web server is uniquely identified and accessed over the internet using its numeric or alphanumeric IP (Internet Protocol) address.

Q228.In C Language, the function getchar() _____?

Easy
A Reads a character from the keyboard without echo
B Requires pressing the "Enter" key after entering the character
C Reads a string until the user presses the "Enter" key
D Reads a character from the keyboard with echo
Network Basics PPSC

Correct Answer: B

The standard getchar() function reads a character from stdin. Because stdin is line-buffered, input is held until the user hits the Enter key.

Q229.Deep knowledge of the internal structure of a computer hardware is required to write programs in a ______?

Easy
A Low–Level Language
B Procedural Language
C Structured Language
D None of these
Network Basics PPSC

Correct Answer: A

Low-level languages (like assembly) require a deep understanding of CPU registers, memory layouts, and machine architectures to program successfully.

Q230.A person who researches problems, plans solutions, recommends software and systems and coordinates development to meet requirements is _____?

Easy
A A system analyst
B A hardware engineer
C A software engineer
D None of these
Network Basics PPSC

Correct Answer: A

A System Analyst is responsible for analyzing business and tech problems, designing system architecture, and organizing development teams to meet requirements.

Q231.Which high-speed wireless communication technology utilizes visible light waves (from LED bulbs) to transmit digital data?

Easy
A Li-Fi (Light Fidelity)
B Bluetooth
C NFC
D None of these
Network Basics PPSC

Correct Answer: A

Li-Fi (Light Fidelity) is a wireless system that modulates light waves from LEDs to transmit high-speed binary data over short distances.

Q232.A formalized set of rules that governs and coordinates data communication between devices over a network is called a ______?

Easy
A Medium
B Sender
C Receiver
D Protocol
Network Basics PPSC

Correct Answer: D

A network protocol is an established set of rules and formats that defines how devices format, transmit, and receive data.

Q233.Historically, the etymological origin of the term 'Computer' is derived from which language?

Easy
A Latin
B French
C Arabic
D None of these
Network Basics PPSC

Correct Answer: A

The word 'Computer' comes from the Latin verb 'computare', which means 'to count', 'to calculate', or 'to sum up together'.

Q234.Which physical hardware resource is most commonly shared as a common network resource among multiple workstation clients?

Easy
A Printers
B Speakers
C Floppy Disk Drives
D Keyboards
Network Basics PPSC

Correct Answer: A

Sharing physical printers over local networks (LANs) allows offices to cut down hardware acquisition and maintenance costs.

Q235.In Adobe's Photoshop, which AI-powered tool allows users to generate or extend complex backgrounds using text commands?

Easy
A Content-Aware Fill
B Generative Fill
C Magic Wand Tool
D None of these
Network Basics PPSC

Correct Answer: B

Generative Fill utilizes Adobe Firefly AI to let users generate, add, or remove image elements using natural language text prompts.

Q236.What is the primary network purpose of the 'Dynamic Host Configuration Protocol' (DHCP)?

Easy
A To block unauthorized incoming network ports
B To automatically assign and configure IP addresses for devices on a network
C To resolve domain names into numerical IPs
D None of these
Network Basics PPSC

Correct Answer: B

DHCP is a network protocol that automatically assigns IP addresses, gateways, and subnet masks to joining client devices.

Q237.At their native machine level, digital computers represent and process all quantitative data using which language?

Easy
A Binary Language
B Natural Language
C Decimal Language
D None of these
Network Basics PPSC

Correct Answer: A

Computers rely on binary machine language (0s and 1s) to represent instructions and store data.

Q238.At a structural level, how is data organized within a standard computer spreadsheet?

Easy
A Lines and text spaces
B Layers and structural planes
C Rows and columns intersecting to form cells
D None of these
Network Basics PPSC

Correct Answer: C

Spreadsheets organize numerical and textual data inside structured grids of horizontal rows and vertical columns.

Q239.Which of the following terms are directly associated with computer network architectures?

Easy
A Star Topology
B Nodes
C Points-to-Point connections
D All of these
Network Basics PPSC

Correct Answer: D

Network structures are defined by topologies (like Star), connecting hardware points (Nodes) via transmission links.

Q240.Which of the following is a cloud deployment model?

Easy
A Network cloud
B Open cloud
C Private cloud
D None of these
Network Basics PPSC

Correct Answer: C

Private cloud is a deployment model where cloud infrastructure is dedicated exclusively to a single organization.