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
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Repeater
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Bridge
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Both option a and option b
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Router
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None of the above
B
Correct answer
Explanation
Bridges operate in data link layer of OSI reference model.
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SMTP
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TELNET
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UDP
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FTP
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None of the above
C
Correct answer
Explanation
UDP does not belong to application layer. it belongs to transport layer.
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fully qualified domain name
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fully qualified domain node
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fully qualified domain network
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fully qualified domain nest
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none of the above
A
Correct answer
Explanation
FQDN stands for fully qualified domain name. It uniquely identifies a host within a DNS hierarchy.
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service set identifier
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sequence set identifier
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sub sequence identifier
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super set identifier
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none of the above
A
Correct answer
Explanation
Service Set Identifier is the full form of SSID.
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Message
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Bits
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Segment
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Frame
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None of the above
D
Correct answer
Explanation
Data unit in data link layer is called frame.
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10.10.10.216
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172.16.0.22
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192.168.0.34
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All of the above
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None of the above
D
Correct answer
Explanation
All the given ip addresses are private ip addresses.option a belongs to class A, option b belongs to class B, option c belongs to class C. but all are private ip addresses.
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119.235.0.123
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129.0.0.255
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192.45.23..0
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10.0.0.1
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None of these
A
Correct answer
Explanation
Class A IP address range from 0.0.0.0 to 127.255.255.255 where as IANA-reserved private class A address range is from 10.0.0.0 to 10.255.255.255.
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Class full notation
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Open addressing
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CIDR notation
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Virtual addressing
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None of the above
C
Correct answer
Explanation
The given IP address notation is called Classless Inter domain Routing Notation(CIDR).
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TCP, UDP
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LLC, MAC
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UDP, IP
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RARP, BOOTP
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None of the above
B
Correct answer
Explanation
Logical Link Control(LLC) and Media Access Control (MAC) are two sub layers of data link layer( 2nd layer from bottom in OSI).
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Nature At Time
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Network Addressing Type
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New Antisense Transcript
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Network Address Translation
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None of the above
D
Correct answer
Explanation
Network Address Translation
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who
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tracert
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ping
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netstat
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none of these
C
Correct answer
Explanation
It is used to find wether a particular host is reachable over a particular network.
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arp
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ipconfig
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repair
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ping
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netstat
D
Correct answer
Explanation
The ping command is used to verify that a device can communicate with another on a network. This command is used to find out whether the peer host/ gateway is reachable.
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Network layer
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Physical layer
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Application layer
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Session layer
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None of the above
A
Correct answer
Explanation
Yes, this layer is responsible to provide congestion control as the routers receive the packet faster than they forward them so this layer can discard the queued packets to make a room for the arriving packets.
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Intranet uses the internet protocols.
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Intranet is restricted as compared to internet.
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Intranet is less safe as compared to internet.
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All of the above
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None of these
C
Correct answer
Explanation
No, internet is less safe as compared to intranet as intranet is accessible only for the specific users and internet is accessible widely so there may be less safety in using internet as different types of cyber attacks or threats may harm to the system while using the internet.
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Direct Host Connection Protocol
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Dynamic Host Communication Protocol
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Dynamic Host Configuration Protocol
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Dynamic Host Connection Protocol
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None of the above
C
Correct answer
Explanation
It is a network protocol used to configure devices that are connected to a network (known as hosts) so they can communicate on that network using the Internet Protocol (IP).