Paper - II (viii) — Communication and Network Concepts is a Networking & Security (Basic CI) topic in the RAS/RPSC syllabus. This page gathers exam-style Paper - II (viii) — Communication and Network Concepts multiple-choice questions with correct answers and explanations, so aspirants can test recall and revise frequently examined concepts.
Practice 56 Paper - II (viii) — Communication and Network Concepts multiple-choice questions with detailed answers and explanations. Ideal for RAS/RPSC exam preparation.
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Q1. Which pairing of network category and typical coverage area is most accurate?
Explanation
LAN is the best match for a local area such as a computer lab, office floor, building, or campus. PAN is smaller, MAN is city-scale, and WAN spans large geographical regions.
Q2. A host is sending data over the Internet using the TCP/IP protocol suite. Which order correctly shows the data moving downward through the main TCP/IP layers before transmission?
Explanation
In the Internet architecture, user data starts at the Application layer, is passed to a Transport protocol such as TCP or UDP, then to the Internet layer for IP delivery, and finally to the Link layer for the directly connected network.
Q3. At which OSI layer is an Ethernet frame primarily associated?
Explanation
Ethernet uses frames that carry link-layer addressing and control information for local network delivery. In the OSI model, this makes the frame a Data Link layer unit rather than a transport or application unit.
Q4. A host wants to send a packet to a destination outside its own local network. Which configured address is normally used as the next hop?
Explanation
The subnet mask tells a host whether the destination is local. If it is not local and no more specific route exists, the host forwards the packet to its default gateway, which is usually a router interface on the same LAN.
Q5. A user enters www.example.com in a browser. Which service is primarily used to translate that domain name into an IP address?
Explanation
The Domain Name System provides name resolution. Before a browser can contact the target server, the domain name must be resolved to an IP address that can be used by the Internet layer for routing.
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