नेटवर्किङ र इन्टरनेट – Networking & Internet MCQ
नेटवर्किङ र इन्टरनेट – कम्प्युटर र IT
Networking & Internet · Computer & IT (Technical) · ४०६ प्रश्न
४०६ प्रश्न उपलब्ध। मोड छान्नुहोस्:
नेटवर्किङ र इन्टरनेट: 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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Which command displays active TCP connections and listening ports on a computer?
सही उत्तर: ग) netstat
netstat (network statistics) lists current connections, listening ports and, with options, routing tables and statistics.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which Windows command queries DNS servers to find the IP address of a domain name?
सही उत्तर: घ) nslookup
nslookup sends DNS queries and shows the answering server and the resolved addresses.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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At the top of the DNS hierarchy, the root zone is served by root name servers known by how many named identities (A to M)?
सही उत्तर: ख) 13
There are 13 root server identities, a.root-servers.net to m.root-servers.net, each run as many anycast instances worldwide.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A reverse DNS lookup, which finds the host name for a given IP address, uses which record type?
सही उत्तर: ग) PTR
PTR records live in the in-addr.arpa (IPv4) or ip6.arpa (IPv6) domains and map addresses back to names.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which DNS record type creates an alias, such as pointing www.example.com to example.com?
सही उत्तर: ख) CNAME
A CNAME (canonical name) record makes one name an alias of another name.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Which DNS record type maps a host name to an IPv6 address?
सही उत्तर: क) AAAA
An A record maps a name to an IPv4 address and an AAAA (quad-A) record maps it to an IPv6 address.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Compared with the HTTP GET method, the POST method:
सही उत्तर: क) Sends the form data in the request body rather than in the URL
GET appends parameters to the URL (visible and length-limited), while POST carries data in the body, suitable for submitting forms.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The HTTP status code 500 indicates:
सही उत्तर: घ) An internal error on the server
5xx codes are server errors; 4xx codes such as 404 and 403 are client errors.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The HTTP status code 200 means:
सही उत्तर: ख) OK, the request succeeded
2xx codes indicate success; 200 OK is the standard response for a successful request.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The correct order of messages when a client obtains an IP address from a DHCP server is:
सही उत्तर: ख) Discover, Offer, Request, Acknowledge
This four-step exchange is often remembered as DORA.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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