GIAC
GSLC · Question #302
GSLC Question #302: Real Exam Question with Answer & Explanation
The correct answer is C. TCP. TCP is the connection-oriented transport protocol that establishes a reliable session between two hosts before exchanging data, ensuring ordered and error-checked delivery.
Question
Which of the following is used to provide the service of exchanging data directly between two hosts on the same network?
Options
- ASTP
- BUDP
- CTCP
- DSNMP
Explanation
TCP is the connection-oriented transport protocol that establishes a reliable session between two hosts before exchanging data, ensuring ordered and error-checked delivery.
Common mistakes.
- A. STP (Spanning Tree Protocol) operates at Layer 2 to prevent switching loops in Ethernet networks and plays no role in delivering data between hosts.
- B. UDP is a connectionless, best-effort transport protocol that does not establish a session or guarantee delivery, so it does not provide reliable direct data exchange between hosts.
- D. SNMP (Simple Network Management Protocol) is used to monitor and manage network device status and statistics, not to exchange application data between hosts.
Concept tested. TCP connection-oriented host-to-host data exchange
Reference. https://www.rfc-editor.org/rfc/rfc793
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