#1
Which of the following is NOT a type of computer network?
CAN
ExplanationController Area Network (CAN) is actually a type of computer network.
#2
What does HTTP stand for in the context of web communication?
Hypertext Transfer Protocol
ExplanationHTTP is the protocol used for transferring hypertext (web) documents.
#3
Which protocol is commonly used for secure communication over the internet?
HTTPS
ExplanationHTTPS (Hypertext Transfer Protocol Secure) encrypts data exchanged between a web server and a browser.
#4
Which of the following topologies connects all devices to a central hub?
Star
ExplanationIn a star topology, all devices are connected to a central hub or switch.
#5
What does UDP stand for in the context of computer networking?
User Datagram Protocol
ExplanationUDP (User Datagram Protocol) is a connectionless protocol used for fast data transmission.
#6
What does TCP stand for in the context of computer networks?
Transmission Control Protocol
ExplanationTCP (Transmission Control Protocol) ensures reliable and ordered delivery of data packets.
#7
What is the function of a router in a computer network?
To filter and forward data packets between networks
ExplanationRouters direct traffic between different networks based on IP addresses.
#8
Which of the following protocols is used for email transmission?
SMTP
ExplanationSMTP (Simple Mail Transfer Protocol) is used for sending emails.
#9
What is the purpose of DNS in computer networking?
Translates domain names to IP addresses
ExplanationDNS translates human-readable domain names to IP addresses.
#10
Which OSI layer is responsible for error detection and correction?
Data Link Layer
ExplanationData Link Layer handles error detection and correction at the hardware level.
#11
What is the primary function of a firewall in computer networking?
To filter and monitor incoming and outgoing network traffic
ExplanationFirewalls control traffic entering and leaving a network, based on predetermined security rules.
#12
Which of the following is an example of a connectionless protocol?
UDP
ExplanationUDP (User Datagram Protocol) is a connectionless protocol often used for streaming media or online gaming.
#13
What is the function of ARP in computer networking?
Address Resolution Protocol - Resolves IP addresses to MAC addresses
ExplanationARP resolves IP addresses to MAC addresses for data transmission within a network.
#14
What is the primary role of the Data Link Layer in the OSI model?
Transmitting data over the physical medium
ExplanationData Link Layer is responsible for transmitting data over the physical medium, such as Ethernet.
#15
Which routing algorithm uses a heuristic to estimate the shortest path?
Dijkstra's Algorithm
ExplanationDijkstra's Algorithm calculates the shortest path between nodes in a graph, commonly used in routing.