Computer Networks

291 questions available

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Showing 241–260 of 291

Q241.Which of the following is not a private IP address range according to RFC 1918?

Easy
A 172.16.0.0 - 172.31.255.255
B 192.168.0.0 - 192.168.255.255
C 169.254.0.0 - 169.254.255.255
D None of these
Network Basics PPSC

Correct Answer: C

The range 169.254.0.0/16 is reserved for Link-Local/APIPA (Automatic Private IP Addressing) and is not a private network range specified in RFC 1918.

Q242.A wireless technology built in electronic gadgets used for exchanging data over short/decimal distances is _____?

Easy
A Modem
B Bluetooth
C Wi-Fi
D None of these
Network Basics PPSC

Correct Answer: B

Bluetooth is a short-range wireless communication technology designed to connect nearby electronic peripherals (up to 10m).

Q243.If the company wants to check the customer preferences, then it will use the ______ option.

Easy
A Experience
B Revenue Component
C Data Sorting
D None of these
Network Basics PPSC

Correct Answer: C

Data sorting allows businesses to organize customer feedback or transaction records sequentially to extract trends and preferences.

Q244.Procedural language is used in which generation of computer?

Easy
A Third
B Second
C First
D None of these
Network Basics PPSC

Correct Answer: A

Procedural high-level languages (like C, Pascal, and FORTRAN) belong to the third generation of computing (3GLs).

Q245.What type of connection would be used to connect a printer directly to a network?

Easy
A Ethernet cable
B USB
C Serial
D None of these
Network Basics PPSC

Correct Answer: A

Connecting a printer directly as a network device requires an Ethernet network cable or a Wi-Fi connection.

Q246.The page orientation can be in ___ style ?

Easy
A Landscape
B Portrait
C Landscape and Portrait
D Digital speed line
Network Basics PPSC

Correct Answer: C

The two primary styles of page orientation in documents and slides are portrait (vertical) and landscape (horizontal).

Q247.Which of the following hardware is required to enable network connectivity in a computer?

Easy
A Network Interface Card (NIC)
B RAM
C Hard Drive
D None of these
Network Basics PPSC

Correct Answer: A

A Network Interface Card (NIC) is the physical hardware component that allows a computer to connect and communicate over a local network or internet.

Q248.Two or more computers connected to each other to share data and common resources form a ______?

Easy
A Pipeline
B Router
C Server
D Network
Network Basics PPSC

Correct Answer: D

A computer network is defined as two or more computing systems linked together by a transmission medium to share data, files, and hardware.

Q249.Who is credited with inventing the QWERTY keyboard layout in the 1870s?

Easy
A George Orville
B Christopher Latham Sholes
C Isaac Newton
D Kurt Kaplan
Network Basics PPSC

Correct Answer: B

Christopher Latham Sholes designed the QWERTY layout in 1873 to space out commonly paired letters, reducing mechanical typewriter jams.

Q250.Which of the following is NOT a network medium or hardware technology used to establish physical web access?

Easy
A Modem
B ISDN
C UDP
D None of these
Network Basics PPSC

Correct Answer: C

UDP (User Datagram Protocol) is a transport layer software communication protocol. Modems and ISDN are physical access technologies.

Q251.In computer networking and mobile telecommunications, what is the WAP service primarily related to?

Easy
A Wired Networking
B Wireless Networking
C Both A and B
D None of these
Network Basics PPSC

Correct Answer: B

WAP (Wireless Application Protocol) is a standard protocol designed to allow mobile wireless devices to access internet applications.

Q252.What are fiber optic cables primarily used for in modern technology?

Easy
A To conduct heavy electrical power
B To generate medical X-rays
C To transmit data over networks using light signals
D None of these
Network Basics PPSC

Correct Answer: C

Fiber optic cables are high-speed networking mediums that transmit digital data pulses as light signals over long distances.

Q253.The physical or logical arrangement of a computer network is called?

Easy
A Topology
B Routing
C Networking
D None of these
Network Basics PPSC

Correct Answer: A

Network topology refers to the physical or logical layout of nodes, devices, and connections within a computer network (e.g., star, bus, ring, or mesh topologies).

Q254.Which type of computer memory contains the fundamental startup instructions (BIOS) to boot a computer?

Easy
A WAN
B RAM
C ROM
D None of these
Network Basics PPSC

Correct Answer: C

ROM (Read-Only Memory) is non-volatile memory that holds the BIOS firmware. When the computer is powered on, the CPU executes this code to initialize hardware and load the operating system.

Q255.Which of the following is a standard example of page orientation?

Easy
A Subscript
B Superscript
C Landscape
D None of these
Network Basics PPSC

Correct Answer: C

Landscape (horizontal layout) and Portrait (vertical layout) are the two primary page orientation formats used in digital document setup.

Q256.Who is historically recognized as the primary builder and first president/CEO of IBM Company?

Easy
A Thomas J. Watson
B Nolan Bushnell
C Steve Jobs
D None of these
Network Basics PPSC

Correct Answer: A

Thomas J. Watson was the industrialist who formally built and expanded IBM (International Business Machines), serving as its CEO from 1914 to 1956.

Q257.Computer networks are beneficial in organizations because they improve which of the following?

Easy
A Reliability (data backups)
B Security (centralized firewalls)
C Performance (efficient resource sharing)
D All of these
Network Basics PPSC

Correct Answer: D

Networking devices together enhances overall operations by supporting data redundancy (reliability), centralized protection (security), and rapid transfer rates (performance).

Q258.What are typical responsibilities of a professional software project manager?

Easy
A Planning software projects and schedules
B Leading development teams
C Managing budgets and resources
D All of these
Network Basics PPSC

Correct Answer: D

A software manager oversees project workflows (planning), guides engineering teams (leading), and allocates financial/personnel assets (managing budgets).

Q259.In document processing, 'Landscape' and 'Portrait' represent options under which category?

Easy
A Page Design
B Page Layout
C Page Setup
D Page Orientation
Network Basics PPSC

Correct Answer: C

In major word processors and spreadsheets, Portrait and Landscape orientations are found under the Page Setup options on the Page Layout tab.

Q260.What is the most accurate definition of 'Virtualization' in cloud-computing environments?

Easy
A Virtualization enables simulating compute, network, and storage service platforms from the underlying virtual hardware
B Virtualization enables abstracting compute, network, and storage service platforms from the underlying physical hardware
C Virtualization enables realization of compute, network, and storage service platforms from the underlying virtual hardware
D Virtualization enables emulating compute, network, and storage service platforms from the underlying virtual hardware
Network Basics PPSC

Correct Answer: B

Virtualization abstracts physical hardware resources (CPU, RAM, storage) into virtual machines, allowing multiple OS instances on one server.