COMPUTER NETWORKS
| 1. | Consider different activities related to email. ml: Send an email from a mail client to a mail server m2: Download an email from mailbox server to a mail client m3: Checking email in a web browser Which is the application level protocol used in each activity? | [GATE-2023: 1M] | |
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m1 : HTTP m2 : SMTP m3 : POP
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m1 : SMTP m2 : FTP m3 : HTTP
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m1 : SMTP m2 : POP m3 : HTTP
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m1 : POP m2 : SMTP m3 : IMAP
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| 2. | The protocol Data Unit (PDU) for the application layer in the Internet stack is | [GATE-2012: 1M] | |
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Segment
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Datagram
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Message
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Frame
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| 3. | Which one of the following is not a client server application? | [GATE-2010: 1M] | |
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Internet chat
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Web browsing
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E-mail
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Ping
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| 4. | In one of the pairs of protocols given below, both the protocols can use multiple TCP connections between the same client and the server. Which one is that? | [GATE-2015: 1M] | |
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HTTP, FTP
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HTTP, TELNET
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FTP, SMTP
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HTTP, SMTP
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| 5. | Which of the following protocol pairs can be used to send and retrieve e-mails (in that order)? | [GATE-2019: 1M] | |
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IMAP, SMTP
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SMTP, MIME
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IMAP, POP3
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SMTP, POP3
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| 6. | Which of the following is/are example(s) of stateful application layer protocols? | [GATE-2016(set-1): 1M] | |
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(i) and (ii) only
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(ii) and (iii) only
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(ii) and (iv) only
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(iv) only
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| 7. | Which of the following transport layer protocols is used to support electronic mail? | [GATE-2012: 1M] | |
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SMTP
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IP
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TCP
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UDP
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| 8. | Which one of the following protocols is NOT used to resolve one form of address to another one? | [GATE-2016: 1M] | |
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DNS
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ARP
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DHCP
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RARP
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| 9. | Identify the correct sequence in which the following packets are transmitted on the network by a host when a browser requests a webpage from a remote server, assuming that the host has just been restarted. | [GATE-2016: 1M] | |
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HTTP GET request, DNS query, TCP SYN
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DNS query, HTTP GET request, TCP SYN
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DNS query, TCP SYN, HTTP GET request
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TCP SYN, DNS query, HTTP GET request
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