Computer Knowledge
Computer Networks
2,614 Questions
Computer networks involve the architecture, protocols, and security measures used for digital communication. This collection covers OSI model layers, IP addressing, data transmission, and cryptographic standards. These concepts are vital for the computer knowledge sections of banking and government exams.
OSI model layersNetwork protocolsIP subnet maskingData encryption standardsServer configurationsNetwork commands
Computer Networks Questions
B
Correct answer
Explanation
RARP (Reverse Address Resolution Protocol) is used by diskless workstations to request their IP address from a server when they know their physical MAC address.
D
Correct answer
Explanation
FTP (File Transfer Protocol) is the standard network protocol used for the transfer of computer files between a client and server on a computer network.
C
Correct answer
Explanation
TFTP (Trivial File Transfer Protocol) is a simplified version of FTP that uses UDP and lacks authentication, making it suitable for simple file transfers with minimal overhead.
C
Correct answer
Explanation
SMTP (Simple Mail Transfer Protocol) is the standard protocol for sending e-mail messages across the internet.
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are same as multiplexers
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are same as TDMs
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usually operate in pairs
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usually do not operate in pairs
C
Correct answer
Explanation
Routers operate at the network layer and use IP addresses to determine the best path for forwarding data packets.
A
Correct answer
Explanation
TCP/IP is the fundamental suite of protocols that enables communication on the internet, including the transport of email.
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Internet Resource Channel
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Internet Routing Channel
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Internet Rights Council
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Internet Relay Chat
D
Correct answer
Explanation
IRC stands for Internet Relay Chat, which is a text-based communication protocol used for instant messaging and group chat.
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It is a IP protocol to dynamically assign IP addresses.
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It is a web authoring tool.
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It allows secure connection.
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It is a scripting language.
C
Correct answer
Explanation
SSL (Secure Sockets Layer) is a protocol designed to provide secure communication over a computer network, commonly used for HTTPS.
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a notation used to specify an ICMP packet
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a notation used to specify a TCP packet
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a notation used to specify an IP address
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all of the above
C
Correct answer
Explanation
Dotted decimal notation is the standard format used to represent IPv4 addresses, consisting of four decimal numbers separated by dots.
C
Correct answer
Explanation
X.400, SMTP, and POP-3 are protocols specifically related to email. UDP (User Datagram Protocol) is a general transport layer protocol.
B
Correct answer
Explanation
TCP, UDP, and ICMP are core protocols in the TCP/IP suite. UUCP (Unix-to-Unix Copy) is a separate suite of programs and protocols for communication between Unix systems.
A
Correct answer
Explanation
FTP (File Transfer Protocol) is the standard network protocol used for the transfer of computer files between a client and server on a computer network.
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Single mail transfer protocol
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Simple mail transfer protocol
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Single message transfer protocol
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Simple message transfer protocol
B
Correct answer
Explanation
SMTP is the standard protocol for sending emails across the internet.