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Which protocol is considered connectionless in the transport layer?
a. TCP
b. UDP
c. FTP
d. SMTP
Answer: btestbook+2
In connectionless transfer, how are packets treated?
a. As part of a stream
b. Independently
c. With numbering
d. With handshakes
Answer: bsanfoundry+1
What is a key characteristic of connectionless protocols?
a. Data sent after connection is established
b. Data sent in packets independently
c. Transmission requires routing tables
d. Guaranteed reliability
Answer: bioriver+2
Which protocol is a connectionless protocol at the network layer?
a. TCP
b. ICMP
c. FTP
d. IP
Answer: dexploredatabase+1
What type of service does UDP provide?
a. Reliable
b. Connection-oriented
c. Connectionless
d. Circuit-switched
Answer: ctencentcloud+1
In connectionless communication, each packet:
a. Takes the same route
b. Requires acknowledgement
c. Is routed independently
d. Uses a handshake
Answer: cjumpcloud+1
What happens when a device sends packets using a connectionless protocol?
a. Sets up a dedicated path
b. No prior arrangement
c. Performs three-way handshake
d. Establishes session
Answer: bgeeksforgeeks+2
Which among the following is a best-effort delivery protocol?
a. TCP
b. UDP
c. SMTP
d. FTP
Answer: bjumpcloud+1
The IP protocol is considered:
a. Connection-oriented
b. Connectionless
c. Reliable
d. Segmented
Answer: bexploredatabase+2
Connectionless protocols are generally used for:
a. File transfers
b. Streaming and gaming
c. Transactional banking
d. Database replication
Answer: bioriver+1
What is the main advantage of connectionless TCP/IP protocols?
a. Guaranteed delivery
b. High speed and simplicity
c. Ordered transmission
d. Reliability
Answer: bgeeksforgeeks+1
Which statement describes UDP?
a. Requires connection setup
b. Sends packets independently
c. Delivers packets in order
d. Uses retransmission
Answer: btestbook+1
When is connectionless transmission preferred?
a. Low latency required
b. High reliability needed
c. Both endpoints must be known
d. Sensitive to loss
Answer: atencentcloud+1
Which layer is primarily responsible for connectionless packet handling?
a. Application layer
b. Transport layer
c. Network layer
d. Physical layer
Answer: cwatelectronics+1
Packets sent using connectionless protocols are known as:
a. Segments
b. Datagrams
c. Frames
d. Blocks
Answer: bbaeldung+2
If a device using a connectionless protocol goes offline, what happens?
a. Communication fails completely
b. Another device can substitute
c. All connections terminate
d. Session resumes automatically
Answer: bextnoc
Connectionless protocols can result in:
a. Packet loss
b. Ordered arrival
c. Reliable delivery
d. Flow control
Answer: asciencedirect+1
No connection setup means:
a. Packets cannot be transmitted
b. No handshaking needed
c. Must use sequence numbers
d. Requires routing tables
Answer: bjumpcloud+2
Which one is FALSE about connectionless operations?
a. No setup phase required
b. Packets may be lost
c. Data is numbered
d. Packets sent independently
Answer: csanfoundry+1
Connectionless services work similar to:
a. Telephone calls
b. Postal services
c. Video conferencing
d. File transfer
Answer: bsciencedirect+2
In connectionless mode, if a packet is lost:
a. It will be automatically retransmitted
b. The sender is notified
c. Loss is not guaranteed to be detected
d. Network corrects the error
Answer: cioriver+1
Which protocol is not connectionless?
a. TCP
b. UDP
c. IP
d. ICMP
Answer: atestbook+2
Connectionless protocol delivers data:
a. With prior notification
b. Along multiple possible routes
c. With guaranteed data order
d. Only using one route
Answer: bbaeldung+2
Which of the following does NOT apply to connectionless protocols?
a. Unreliable delivery
b. Sequence numbers mandatory
c. Lower latency
d. No setup required
Answer: bgeeksforgeeks+2
Connectionless protocols may cause:
a. Duplicate packets
b. Ordered packet arrival
c. Retransmission by default
d. Slow transmission
Answer: ajumpcloud+2
Most connectionless protocols at network layer use:
a. Dedicated circuits
b. Packet switching
c. Circuit switching
d. Frame relay
Answer: bwatelectronics+1
Which protocol in networking offers connectionless services but can be made reliable at the application?
a. FTP
b. UDP
c. TCP
d. SSH
Answer: btencentcloud+2
A typical use case for connectionless delivery is:
a. Bulk file transfer
b. Real-time communications
c. Circuit switched voice calls
d. Secure transactions
Answer: bioriver+1
Which describes packet handling in connectionless protocols?
a. Buffered and sequenced
b. Each packet routed independently
c. Sequential deposition
d. Managed as a stream
Answer: bgeeksforgeeks+2
What differentiates connectionless from connection-oriented communication?
a. Need for session establishment
b. No guarantee of delivery order
c. Required handshakes
d. Reliable error correction
Answer: bbaeldung+2
IPv4, as a network protocol, is:
a. Always reliable
b. Always connectionless
c. Always connection-oriented
d. Always encrypted
Answer: bexploredatabase+1
Connectionless protocols are most suitable where:
a. Packet integrity is critical
b. Packet speed is critical
c. Ordered delivery is required
d. Sessions are mandatory
Answer: btencentcloud+2
Which of these is NOT a feature of connectionless protocols?
a. No setup phase
b. Independent packet routing
c. Retransmission of lost packets
d. Best-effort delivery
Answer: cjumpcloud+2
When using UDP, which statement is true?
a. Packets arrive in order
b. Packets may arrive out of order
c. Connection setup is required
d. Packets are acknowledged
Answer: btestbook+2
Datagrams refer to data units in which protocol?
a. TCP
b. UDP
c. SMTP
d. FTP
Answer: bioriver+1
Which protocol does NOT use connectionless communication?
a. UDP
b. IP
c. TCP
d. ICMP
Answer: cgdcramban+2
Connectionless protocols enable which type of distribution model?
a. Scheduled batch
b. One-shot delivery
c. Continuous feedback
d. Sequenced transmission
Answer: bsciencedirect+1
The P2P network model typically uses:
a. Connectionless protocols
b. Connection-oriented protocols
c. Both equally
d. None
Answer: aextnoc
In a connectionless network:
a. Intermediate nodes maintain state
b. Packets traverse without per-flow state
c. Handshake is mandatory
d. Data always reliable
Answer: bgeeksforgeeks+1
The network service for connectionless communication is similar to:
a. EMS courier
b. Registered post
c. Regular post
d. Secure transport
Answer: cioriver+1
Which aspect is generally difficult in connectionless systems?
a. Congestion control
b. Fast transmission
c. Simple routing
d. Low overhead
Answer: awatelectronics
A key challenge of connectionless protocols is:
a. Ensuring delivery
b. Maintaining session
c. Losing packets
d. Performing handshakes
Answer: cgeeksforgeeks+1
Datagram networks do not require:
a. Per-session resources
b. Best-effort delivery
c. Application-level reliability
d. End-to-end connection
Answer: awatelectronics+2
The opposite of connectionless service is:
a. Routed delivery
b. Connection-oriented service
c. Circuit switching
d. Frame relay
Answer: bgeeksforgeeks+1
User Datagram Protocol supports:
a. Ordered delivery
b. No connection setup
c. Packet retransmission
d. Flow control
Answer: btestbook+2
Firewalls often block which type of traffic for security?
a. TCP
b. FTP
c. UDP
d. SMTP
Answer: creck
Real-time apps prefer connectionless protocols because:
a. Full reliability needed
b. Faster and less overhead
c. Security is mandatory
d. Data always needs order
Answer: btencentcloud+2
The protocol for connectionless messaging in IP networks is:
a. UDP
b. TCP
c. SSH
d. SCP
Answer: atestbook+2
What is typically NOT required for connectionless data delivery?
a. Sequence numbering
b. Packet switching
c. Independent routing
d. Source/destination address
Answer: asanfoundry+1
Connectionless protocols are typically implemented in which network scenario?
a. Streaming media
b. Transactional databases
c. Critical backup
d. Banking
Answer: atencentcloud+1

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