त्रिवि IT प्रवेश BIT र BCA प्रवेश तयारी
त्रिवि IT प्रवेश – BIT र BCA प्रवेश
TU BIT & BCA Entrance · TU IT Entrance (B.Sc. CSIT, BIT, BCA)
२,६०७ प्रश्न उपलब्ध। मोड छान्नुहोस्:
IT प्रवेश: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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The default port number for HTTP is:
सही उत्तर: ख) 80
HTTP uses port 80 by default and HTTPS uses port 443. Port 21 is for FTP control and 25 for SMTP.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which protocol automatically assigns IP addresses to devices on a network?
सही उत्तर: घ) DHCP
DHCP (Dynamic Host Configuration Protocol) leases IP addresses and settings to hosts. ARP maps an IP address to a MAC address.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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DNS is used to:
सही उत्तर: घ) Translate domain names into IP addresses
The Domain Name System converts names like example.com into numeric IP addresses. Automatic assignment of IP addresses is done by DHCP.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which protocol is used to send email?
सही उत्तर: घ) SMTP
SMTP (Simple Mail Transfer Protocol) sends and relays email. POP3 and IMAP are used to retrieve email from a mail server.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In which network topology are all nodes connected to a central hub or switch?
सही उत्तर: घ) Star
In a star topology every device has its own link to a central device; if the hub fails, the whole network fails. In a bus topology all nodes share a single backbone cable.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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At which OSI layer does a router mainly operate?
सही उत्तर: ग) Network layer
Routers forward packets between networks using IP addresses, which is a network-layer function. Switches mainly work at the data link layer using MAC addresses.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A MAC (physical) address is how many bits long?
सही उत्तर: घ) 48
A MAC address has 48 bits, usually written as six pairs of hexadecimal digits. It is assigned to the network interface card.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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An IPv4 address is made up of how many bits?
सही उत्तर: ख) 32
IPv4 addresses are 32 bits long, written as four decimal octets such as 192.168.1.1. IPv6 addresses are 128 bits.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A network that covers a city is called a:
सही उत्तर: घ) MAN
A Metropolitan Area Network spans a city or large campus. A LAN covers a building and a WAN covers countries or continents.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Normalization in a database is mainly done to:
सही उत्तर: ग) Reduce data redundancy and anomalies
Normalization organises tables into normal forms so that data is not unnecessarily repeated and insert/update/delete anomalies are avoided. It has nothing to do with encryption.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।