Computer Networks MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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What is the primary function of ‘ICMP’?
A. To provide error reporting and diagnostics for network communication
B. To manage network hardware
C. To encrypt network data
D. To route data packets
Answer: To provide error reporting and diagnostics for network communication
What is the role of a ‘switch’ in networking?
A. To connect devices within a network and manage data traffic
B. To route data packets between different networks
C. To provide wireless network access
D. To encrypt network data
Answer: To connect devices within a network and manage data traffic
What is a ‘router’ used for?
A. To route data packets between different networks
B. To connect devices within the same network
C. To store network data
D. To manage network traffic
Answer: To route data packets between different networks
What is ‘IPsec’ used for?
A. To secure IP communications by encrypting and authenticating data
B. To manage IP addresses
C. To route data packets
D. To monitor network traffic
Answer: To secure IP communications by encrypting and authenticating data
What does ‘VLAN’ stand for?
A. Virtual Local Area Network, used for segmenting networks within a physical network
B. Virtual Long Area Network, used for long-distance communication
C. Variable Local Area Network, used for flexible network management
D. Virtual Link Access Network, used for network access
Answer: Virtual Local Area Network, used for segmenting networks within a physical network
What is the purpose of ‘Network Address Translation (NAT)’?
A. To map private IP addresses to a public IP address
B. To route data packets
C. To manage network traffic
D. To encrypt network data
Answer: To map private IP addresses to a public IP address
What is the function of ‘DHCP’?
A. To dynamically assign IP addresses to devices on a network
B. To encrypt network data
C. To manage network traffic
D. To route data packets
Answer: To dynamically assign IP addresses to devices on a network
What is ‘SMTP’ used for?
A. Simple Mail Transfer Protocol, used for sending emails
B. Simple Message Transfer Protocol, used for network communication
C. Secure Mail Transfer Protocol, used for email security
D. System Mail Transfer Protocol, used for email management
Answer: Simple Mail Transfer Protocol, used for sending emails
What is ‘Telnet’?
A. A network protocol for remote command-line interface access
B. A file transfer protocol
C. A network encryption protocol
D. A data routing protocol
Answer: A network protocol for remote command-line interface access