Question : What is the main disadvantage of HTTP compared to HTTPS?
Solution :
Correct Answer : Lack of encryption
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Question : Which of the following correctly matches an HTTP status code category?
Solution :
Correct Answer : 4xx – Client Error
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Question : Which HTTP version introduced multiplexing and header compression for better performance?
Solution :
Correct Answer : HTTP/2
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Question : Why are cookies used in HTTP?
Solution :
Correct Answer : To maintain session information across requests
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Question : Which of the following correctly describes the working principle of HTTP?
Solution :
Correct Answer : Request-response and stateless
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Question : Which SNMP version provides authentication and encryption for secure communication?
Solution :
Correct Answer : SNMPv3
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Question : What is the primary function of the MIB (Management Information Base) in SNMP?
Solution :
Correct Answer : Store structured information about managed objects
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Question : Which SNMP message type is used by an agent to notify the manager about an event without request?
Solution :
Correct Answer : Trap
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Question : Which component in SNMP acts as a centralized control system for monitoring network devices?
Solution :
Correct Answer : Manager (NMS)
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Question : SNMP is classified under which layer of the OSI model?
Solution :
Correct Answer : Application Layer
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Question : Which component in SMTP architecture is responsible for transferring emails between servers?
Solution :
Correct Answer : MTA (Mail Transfer Agent)
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Question : Which port is commonly used for secure email submission with SMTP?
Solution :
Correct Answer : 587
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Question : In the store-and-forward method of SMTP, what happens when the recipient server is unavailable?
Solution :
Correct Answer : The email is stored and retried later
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Question : Which of the following SMTP commands is used to specify the recipient’s email address?
Solution :
Correct Answer : RCPT TO
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Question : Which of the following correctly describes the primary function of SMTP?
Solution :
Correct Answer : Sending and relaying emails between servers
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Question : In Telnet communication, what is the role of the IAC (Interpret As Command) byte?
Solution :
Correct Answer : It indicates that the following data is a command
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Question : Why is Telnet considered insecure in modern networks?
Solution :
Correct Answer : It transmits data in plain text without encryption
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Question : What is the main purpose of the Network Virtual Terminal (NVT) in Telnet?
Solution :
Correct Answer : Standardize communication between different systems
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Question : Telnet mainly operates on which default port number?
Solution :
Correct Answer : 23
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Question : Which of the following best describes the primary function of Telnet?
Solution :
Correct Answer : Remote login to access a computer system
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Question : In Passive Mode of FTP, who initiates the data connection?
Solution :
Correct Answer : Client initiates connection to server
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Question : Which of the following is a major security drawback of FTP?
Solution :
Correct Answer : Data is transmitted in plain text
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Question : Which port is primarily used for the FTP control connection?
Solution :
Correct Answer : 21
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Question : FTP uses two separate connections for communication. Which of the following is correct?
Solution :
Correct Answer : Control connection for commands, data connection for file transfer
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Question : Which of the following correctly describes the main function of FTP?
Solution :
Correct Answer : Transferring files between client and server over TCP/IP
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Question : Which DNS record type is used to specify mail servers for a domain?
Solution :
Correct Answer : MX Record
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Question : What is the main purpose of TTL (Time-to-Live) in DNS?
Solution :
Correct Answer : To define how long DNS records are cached
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Question : In DNS query types, which one requires the DNS server to return a complete answer or error?
Solution :
Correct Answer : Recursive Query
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Question : Which DNS component is responsible for directing queries to the correct Top-Level Domain (TLD) server?
Solution :
Correct Answer : Root DNS Server
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Question : What is the primary function of the Domain Name System (DNS)?
Solution :
Correct Answer : Translate domain names into IP addresses
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