Please keep at least one language enabled. || కనీసం ఒక భాషను ఎంచుకోండి.
Question 1
ప్రశ్న 1
Which type of computer network is primarily characterized by connecting devices within a single limited geographical area such as a home, office or school building?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• LAN stands for Local Area Network.
• A LAN connects devices within a relatively small or limited geographical area such as a home, office, building or similar site.
• MAN and WAN normally cover progressively larger geographical areas.
• A LAN connects devices within a relatively small or limited geographical area such as a home, office, building or similar site.
• MAN and WAN normally cover progressively larger geographical areas.
వివరణ:
Question 2
ప్రశ్న 2
Which type of network is designed to cover a metropolitan area such as a town or city and is typically larger than a LAN but smaller in geographical scope than a WAN?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MAN stands for Metropolitan Area Network.
• A MAN can connect networks across a town, city or comparable metropolitan region.
• Its geographical scope is generally between that of a LAN and a WAN.
• A MAN can connect networks across a town, city or comparable metropolitan region.
• Its geographical scope is generally between that of a LAN and a WAN.
వివరణ:
Question 3
ప్రశ్న 3
Which network type is most appropriate for connecting an organization's offices located across different states, countries or continents?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• WAN stands for Wide Area Network and is intended for communication across large geographical distances.
• A WAN can interconnect LANs located in different cities, states, countries or continents.
• Large organizations commonly use WAN technologies to connect geographically separated branches and data centers.
• A WAN can interconnect LANs located in different cities, states, countries or continents.
• Large organizations commonly use WAN technologies to connect geographically separated branches and data centers.
వివరణ:
Question 4
ప్రశ్న 4
Which sequence correctly arranges LAN, MAN and WAN from generally smallest to largest geographical coverage?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A LAN generally covers the smallest geographical area of the three.
• A MAN extends across a metropolitan area and is normally larger than a LAN.
• A WAN has the broadest geographical scope and can extend across regions, countries or continents.
• A MAN extends across a metropolitan area and is normally larger than a LAN.
• A WAN has the broadest geographical scope and can extend across regions, countries or continents.
వివరణ:
Question 5
ప్రశ్న 5
Twenty computers and two printers located within a single office building are interconnected for file and printer sharing. Which network classification best fits this situation?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The devices are located within one limited physical area: a single office building.
• Such localized networking is the defining use case of a LAN.
• The number of devices does not by itself determine whether a network is a LAN, MAN or WAN; geographical scope is the important factor here.
• Such localized networking is the defining use case of a LAN.
• The number of devices does not by itself determine whether a network is a LAN, MAN or WAN; geographical scope is the important factor here.
వివరణ:
Question 6
ప్రశ్న 6
A municipal authority connects its offices located at different points throughout the same metropolitan city using a dedicated high-capacity network. Which network type best describes this arrangement?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A MAN is intended to cover a metropolitan geographical area such as a city.
• MANs can interconnect multiple smaller local networks or buildings throughout that area.
• The scenario is broader than a single-site LAN but does not require the very large geographical scope normally associated with a WAN.
• MANs can interconnect multiple smaller local networks or buildings throughout that area.
• The scenario is broader than a single-site LAN but does not require the very large geographical scope normally associated with a WAN.
వివరణ:
Question 7
ప్రశ్న 7
A bank connects branch-office LANs located in Hyderabad, Mumbai, Delhi and Kolkata so that all branches can use centralized banking services. Which network type is primarily required between these locations?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The branches are separated by large geographical distances and are located in different cities.
• A WAN is designed to interconnect networks across such wide areas.
• Each branch can have its own LAN, while WAN connectivity links the geographically separated branch networks.
• A WAN is designed to interconnect networks across such wide areas.
• Each branch can have its own LAN, while WAN connectivity links the geographically separated branch networks.
వివరణ:
Question 8
ప్రశ్న 8
Which statement about a Local Area Network (LAN) is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A LAN is defined primarily by its limited geographical coverage.
• Modern LANs commonly use Ethernet, Wi-Fi or a combination of both for device connectivity.
• A network extending across a city or several countries falls outside the normal geographical definition of a LAN.
• Modern LANs commonly use Ethernet, Wi-Fi or a combination of both for device connectivity.
• A network extending across a city or several countries falls outside the normal geographical definition of a LAN.
వివరణ:
Question 9
ప్రశ్న 9
Which comparison between LAN, MAN and WAN is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Network types such as LAN, MAN and WAN are commonly distinguished by geographical coverage.
• A MAN occupies an intermediate geographical scope between a localized LAN and a wide-ranging WAN.
• Device count alone does not determine whether a network is classified as LAN, MAN or WAN.
• A MAN occupies an intermediate geographical scope between a localized LAN and a wide-ranging WAN.
• Device count alone does not determine whether a network is classified as LAN, MAN or WAN.
వివరణ:
Question 10
ప్రశ్న 10
Which of the following technologies or connection methods can be used as part of WAN connectivity?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• WAN connectivity can be implemented through several communication technologies.
• Examples include leased lines, VPN connections, cellular communication and other service-provider links.
• WAN is a geographical/networking classification rather than a requirement to use one specific transmission technology.
• Examples include leased lines, VPN connections, cellular communication and other service-provider links.
• WAN is a geographical/networking classification rather than a requirement to use one specific transmission technology.
వివరణ:
Question 11
ప్రశ్న 11
Which statement best describes a common relationship between MANs and LANs?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• A MAN can link multiple local networks across a city or metropolitan region.
• For example, separate LANs in different buildings can be interconnected through metropolitan network infrastructure.
• This gives a MAN greater geographical coverage than an individual LAN.
• For example, separate LANs in different buildings can be interconnected through metropolitan network infrastructure.
• This gives a MAN greater geographical coverage than an individual LAN.
వివరణ:
Question 12
ప్రశ్న 12
Which of the following is commonly regarded as the world's largest Wide Area Network?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The Internet interconnects networks and devices across enormous geographical distances worldwide.
• Cisco describes the Internet as the world's largest WAN.
• Home and single-office networks normally fall into the LAN category rather than the global WAN category.
• Cisco describes the Internet as the world's largest WAN.
• Home and single-office networks normally fall into the LAN category rather than the global WAN category.
వివరణ:
Question 13
ప్రశ్న 13
Which statement most accurately compares the management of a typical organizational LAN with the infrastructure used for a long-distance WAN?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Organizational LAN equipment such as switches and access points is commonly owned or managed locally by the organization.
• Long-distance WAN communication frequently depends on carrier or service-provider infrastructure outside the organization's direct physical control.
• This is a common operational distinction, although specific ownership arrangements can vary.
• Long-distance WAN communication frequently depends on carrier or service-provider infrastructure outside the organization's direct physical control.
• This is a common operational distinction, although specific ownership arrangements can vary.
వివరణ:
Question 14
ప్రశ్న 14
An enterprise has one network within each branch office and then interconnects those branch networks over long distances. Which statement correctly identifies the network types involved?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Devices inside an individual branch office can communicate through a local LAN.
• When geographically separated branch LANs are interconnected over large distances, the resulting broader network is a WAN.
• This is a common enterprise networking arrangement.
• When geographically separated branch LANs are interconnected over large distances, the resulting broader network is a WAN.
• This is a common enterprise networking arrangement.
వివరణ:
Question 15
ప్రశ్న 15
Which statement about a Wide Area Network (WAN) is incorrect?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• WANs can connect geographically separated LANs and organizational sites.
• WAN connectivity can use several mechanisms, including leased lines, provider networks, cellular links, VPNs and Internet-based connections.
• Therefore use of the public Internet is not an absolute requirement for every WAN.
• WAN connectivity can use several mechanisms, including leased lines, provider networks, cellular links, VPNs and Internet-based connections.
• Therefore use of the public Internet is not an absolute requirement for every WAN.
వివరణ:
Question 16
ప్రశ్న 16
Three networks have the following coverage:
Network P connects devices inside one office building.
Network Q connects offices throughout one metropolitan city.
Network R connects company sites in several countries.
Which classification is correct?
Network P connects devices inside one office building.
Network Q connects offices throughout one metropolitan city.
Network R connects company sites in several countries.
Which classification is correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Network P has limited building-level coverage and therefore fits the LAN classification.
• Network Q spans a metropolitan city and therefore fits MAN.
• Network R spans several countries and therefore fits WAN.
• Network Q spans a metropolitan city and therefore fits MAN.
• Network R spans several countries and therefore fits WAN.
వివరణ:
Question 17
ప్రశ్న 17
Assertion (A): A Metropolitan Area Network is generally considered intermediate in geographical coverage between a LAN and a WAN.
Reason (R): A MAN may cover a city or metropolitan region, which is normally larger than a single-site LAN but less geographically extensive than a WAN spanning large regions or countries.
Choose the correct answer.
Reason (R): A MAN may cover a city or metropolitan region, which is normally larger than a single-site LAN but less geographically extensive than a WAN spanning large regions or countries.
Choose the correct answer.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• MAN is commonly positioned between LAN and WAN when networks are classified by geographical scope.
• Its typical coverage may include a city or metropolitan region.
• Both statements are true, and the Reason correctly explains the Assertion.
• Its typical coverage may include a city or metropolitan region.
• Both statements are true, and the Reason correctly explains the Assertion.
వివరణ:
Question 18
ప్రశ్న 18
Consider the following statements:
1. A LAN normally connects devices within a limited geographical area.
2. A MAN can cover a metropolitan city.
3. A WAN cannot interconnect multiple LANs.
4. A WAN can connect sites across regions, countries or continents.
Which statements are correct?
1. A LAN normally connects devices within a limited geographical area.
2. A MAN can cover a metropolitan city.
3. A WAN cannot interconnect multiple LANs.
4. A WAN can connect sites across regions, countries or continents.
Which statements are correct?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• Statements 1 and 2 correctly describe the geographical scope of LAN and MAN.
• Statement 3 is false because connecting multiple geographically separated LANs is a major WAN use case.
• Statement 4 is correct because WANs can operate across very large geographical areas.
• Statement 3 is false because connecting multiple geographically separated LANs is a major WAN use case.
• Statement 4 is correct because WANs can operate across very large geographical areas.
వివరణ:
Question 19
ప్రశ్న 19
Match List I with List II:
List I
(a) LAN
(b) MAN
(c) WAN
(d) Internet
List II
1. Network extending over large geographical areas and often interconnecting LANs
2. Network typically confined to a limited local area such as an office or building
3. Commonly regarded as the world's largest WAN
4. Network covering a metropolitan region such as a city
Choose the correct matching code.
List I
(a) LAN
(b) MAN
(c) WAN
(d) Internet
List II
1. Network extending over large geographical areas and often interconnecting LANs
2. Network typically confined to a limited local area such as an office or building
3. Commonly regarded as the world's largest WAN
4. Network covering a metropolitan region such as a city
Choose the correct matching code.
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• LAN corresponds to limited local coverage, giving (a)-2.
• MAN corresponds to metropolitan coverage, giving (b)-4, while WAN corresponds to large geographical coverage, giving (c)-1.
• The Internet is commonly regarded as the world's largest WAN, giving (d)-3.
• MAN corresponds to metropolitan coverage, giving (b)-4, while WAN corresponds to large geographical coverage, giving (c)-1.
• The Internet is commonly regarded as the world's largest WAN, giving (d)-3.
వివరణ:
Question 20
ప్రశ్న 20
An organization has separate local networks inside individual buildings. Several buildings within each city are interconnected through a citywide network, and the organization's city networks in different states are then interconnected nationally. Which classification best describes the three levels respectively?
Select an option first. || ముందుగా ఒక సమాధానాన్ని ఎంచుకోండి.
Explanation:
• The network inside each individual building has localized coverage and is therefore a LAN.
• Interconnecting several such sites across one metropolitan city corresponds to MAN-level coverage.
• Connecting those metropolitan networks across different states requires wide-area connectivity and is therefore classified as a WAN.
• Interconnecting several such sites across one metropolitan city corresponds to MAN-level coverage.
• Connecting those metropolitan networks across different states requires wide-area connectivity and is therefore classified as a WAN.
వివరణ:
Answer Key సమాధానాల పట్టిక
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Question 1 ప్రశ్న 1Answer: C. LAN సమాధానం: C.
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Question 2 ప్రశ్న 2Answer: A. MAN సమాధానం: A.
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Question 3 ప్రశ్న 3Answer: D. WAN సమాధానం: D.
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Question 4 ప్రశ్న 4Answer: B. LAN → MAN → WAN సమాధానం: B.
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Question 5 ప్రశ్న 5Answer: D. LAN సమాధానం: D.
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Question 6 ప్రశ్న 6Answer: B. MAN సమాధానం: B.
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Question 7 ప్రశ్న 7Answer: A. WAN సమాధానం: A.
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Question 8 ప్రశ్న 8Answer: C. A LAN connects devices within a limited area and can use technologies such as Ethernet or Wi-Fi. సమాధానం: C.
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Question 9 ప్రశ్న 9Answer: B. A MAN generally covers a larger geographical area than a LAN but a smaller area than a WAN. సమాధానం: B.
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Question 10 ప్రశ్న 10Answer: D. Leased lines, VPN-based connections, cellular links or other long-distance communication services సమాధానం: D.
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Question 11 ప్రశ్న 11Answer: C. A MAN can interconnect multiple LANs located across a metropolitan area. సమాధానం: C.
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Question 12 ప్రశ్న 12Answer: A. The Internet సమాధానం: A.
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Question 13 ప్రశ్న 13Answer: A. An organization often directly manages its LAN equipment, while WAN connectivity may depend partly on infrastructure or services supplied by telecommunications or network providers. సమాధానం: A.
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Question 14 ప్రశ్న 14Answer: C. Each office can have a LAN, while the long-distance interconnection of the office networks forms a WAN. సమాధానం: C.
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Question 15 ప్రశ్న 15Answer: D. A WAN must always use the public Internet as its only possible communication infrastructure. సమాధానం: D.
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Question 16 ప్రశ్న 16Answer: B. P = LAN, Q = MAN, R = WAN సమాధానం: B.
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Question 17 ప్రశ్న 17Answer: C. Both Assertion and Reason are true, and Reason is the correct explanation of Assertion. సమాధానం: C.
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Question 18 ప్రశ్న 18Answer: A. 1, 2 and 4 only సమాధానం: A.
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Question 19 ప్రశ్న 19Answer: B. (a)-2, (b)-4, (c)-1, (d)-3 సమాధానం: B.
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Question 20 ప్రశ్న 20Answer: D. LAN inside individual buildings → MAN across buildings in each city → WAN between geographically separated city networks సమాధానం: D.