h Flashcards
(46 cards)
What is a network?
A network is a collection of computers, servers, mainframes, network devices, and other hardware interconnected by communication channels that allow sharing of data and resources.
True or False: Networks can only be wired.
False
Fill in the blank: A _____ is a device that forwards data packets between computer networks.
router
What does LAN stand for?
Local Area Network
Which layer of the OSI model is responsible for data encryption?
Presentation layer
What protocol is used for secure communication over a computer network?
SSL/TLS
Multiple Choice: Which of the following is NOT a type of network topology? A) Star B) Ring C) Square D) Mesh
C) Square
What is the primary function of a switch in a network?
To connect devices within a LAN and filter traffic based on MAC addresses.
True or False: The Internet is a global network of interconnected networks.
True
Fill in the blank: The _____ protocol is used to send email messages.
SMTP
What does IP stand for in networking contexts?
Internet Protocol
What is the purpose of a firewall?
To monitor and control incoming and outgoing network traffic based on predetermined security rules.
Multiple Choice: Which of the following is a private IP address? A) 192.168.1.1 B) 8.8.8.8 C) 172.16.0.1 D) Both A and C
D) Both A and C
What is the primary difference between TCP and UDP?
TCP is connection-oriented and ensures reliable delivery, while UDP is connectionless and does not guarantee delivery.
True or False: IPv6 uses a 128-bit address scheme.
True
Fill in the blank: The _____ layer of the OSI model is responsible for end-to-end communication.
Transport
What does DNS stand for?
Domain Name System
What is the role of a modem in a network?
To modulate and demodulate signals for data transmission over telephone lines or cable systems.
Multiple Choice: Which of the following is NOT a routing protocol? A) RIP B) OSPF C) HTTP D) BGP
C) HTTP
What is bandwidth?
The maximum rate of data transfer across a network path.
True or False: A VPN encrypts your internet connection.
True
Fill in the blank: In networking, _____ refers to the process of dividing a network into smaller, manageable sections.
subnetting
What does NAT stand for?
Network Address Translation
What is a network protocol?
A set of rules governing the exchange of data between devices on a network.