SSC CGL Preparation – Day 15

MCQs – Networking Devices and Protocols

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1. Which networking device operates at the Data Link Layer of the OSI model?
A) Router
B) Switch
C) Hub
D) Modem
➤ Answer: B) Switch

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2. Which of the following is used to connect different networks together?
A) Hub
B) Switch
C) Router
D) Bridge
➤ Answer: C) Router

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3. What is the purpose of a modem?
A) Provide IP address
B) Store data
C) Convert digital signals to analog and vice versa
D) Filter emails
➤ Answer: C) Convert digital signals to analog and vice versa

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4. Which of the following is NOT a networking device?
A) Repeater
B) Router
C) Compiler
D) Switch
➤ Answer: C) Compiler

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5. What does DHCP stand for?
A) Data Host Control Protocol
B) Dynamic Host Configuration Protocol
C) Digital Host Communication Protocol
D) Direct Host Control Protocol
➤ Answer: B) Dynamic Host Configuration Protocol

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6. Which protocol is used to send emails?
A) POP3
B) IMAP
C) SMTP
D) FTP
➤ Answer: C) SMTP

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7. Which protocol is used to transfer files between computers?
A) SMTP
B) FTP
C) IMAP
D) HTTP
➤ Answer: B) FTP

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8. Which protocol translates domain names into IP addresses?
A) IP
B) DHCP
C) DNS
D) TCP
➤ Answer: C) DNS

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9. Which of the following is a connectionless protocol?
A) TCP
B) UDP
C) FTP
D) SMTP
➤ Answer: B) UDP

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10. In which layer of OSI model does a router work?
A) Data Link Layer
B) Transport Layer
C) Network Layer
D) Session Layer
➤ Answer: C) Network Layer

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11. What does HTTP stand for?
A) High Transfer Text Protocol
B) HyperText Transfer Protocol
C) Host Transfer Text Protocol
D) Hyper Transfer Tunnel Protocol
➤ Answer: B) HyperText Transfer Protocol

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12. Which protocol is secure for browsing the internet?
A) HTTP
B) TCP
C) HTTPS
D) FTP
➤ Answer: C) HTTPS