Network Fundamentals MCQs - Page 20

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Topic Notes: Network Fundamentals

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Master Network Fundamentals MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

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Preparation Guide & Key Focus Areas for Network Fundamentals MCQs

When preparing for Network Fundamentals MCQs (Computer Science - IT), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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191

Which BGP attribute is used to prevent routing loops within an Autonomous System (AS)?

192

Which of the following is a characteristic of 'Anycast' routing?

A A packet is delivered to all nodes in a specific group. B A packet is delivered to the 'nearest' node among a group of nodes sharing the same address. C A packet is delivered to a single, unique global address. D A packet is delivered to all nodes on a local subnet.

193

What is the function of the 'Flow Label' field in the IPv6 header?

A To identify the total length of the payload including extension headers. B To enable per-flow handling by routers for real-time traffic or Quality of Service (QoS). C To specify the maximum number of hops a packet can traverse. D To indicate the version of the IP protocol being used.

194

What is the 'Maximum Segment Lifetime' (MSL) in TCP?

A The maximum time a TCP connection can remain idle. B The maximum time a packet can exist in the network before being discarded. C The time a host waits in the TIME_WAIT state to ensure late segments are discarded. D The time it takes for a segment to travel from sender to receiver.

195

What is the primary function of the 'Spanning Tree Protocol' (STP)?

A To find the shortest path in a routed network. B To prevent switching loops in Ethernet networks with redundant paths. C To assign IP addresses to hosts automatically. D To manage the power consumption of network interfaces.

196

What is the difference between a 'Hub' and a 'Switch'?

A A hub works at the Network layer, while a switch works at the Data Link layer. B A hub broadcasts data to all ports, whereas a switch sends data only to the specific destination port. C A switch is slower than a hub because of its complex logic. D There is no functional difference; they are different names for the same device.

197

What is 'Cubic' in the context of Linux networking?

A A 3D modeling tool for network topology. B The default TCP congestion control algorithm that uses a cubic function for window growth. C A type of cabling used in data centers. D A security protocol for IoT devices.

198

What is the 'Exposed Node Problem' in wireless networks?

A A node that is visible to hackers. B A node that is prevented from sending to a destination because of an unrelated neighbor's transmission. C A node that has no antenna. D A situation where two nodes can see each other but cannot communicate.

199

What is the 'Application Layer' in the TCP/IP model equivalent to in the OSI model?

200

A sine wave is:

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