Question 1 |
Consider the resolution of the domain name www.gate.org.in by a DNS resolver. Assume that no resource records are cached anywhere across the DNS servers and that iterative query mechanism is used in the resolution. The number of DNS query-response pairs involved in completely resolving the domain name is .
2 | |
3 | |
4 | |
5 |
Question 1 Explanation:
Question 2 |
Assume that you have made a request for a web page through your web browser to a web server. Initially the browser cache is empty. Further, the browser is configured to send HTTP requests in non-persistent mode. The web page contains text and five very small images.The minimum number of TCP connections required to display the web page completely in your browser is__________.
1 | |
6 | |
5 | |
2 |
Question 2 Explanation:
Question 3 |
Which of the following protocol pairs can be used to send and retrieve e-mails (in that order)?
IMAP POP3 | |
SMTP, POP3 | |
SMTP, MIME | |
IMAP, SMTP |
Question 3 Explanation:
Question 4 |
What is WPA?
wired protected access | |
wi-fi protected access | |
wired process access | |
wi-fi process access |
Question 4 Explanation:
Question 5 |
Which protocol suite designed by IETF to provide security for a packet at the Internet layer?
IPSec | |
NetSec | |
PacketSec | |
SSL |
Question 5 Explanation:
Question 6 |
Which of the following protocol is used for transferring electronic mail messages from one machine to another?
TELNET | |
FTP | |
SNMP | |
SMTP |
Question 6 Explanation:
Question 7 |
When a DNS server accepts and uses incorrect information from a host that has no authority giving that information, then it is called
DNS lookup | |
DNS hijacking | |
DNS spoofing | |
None of the mentioned |
Question 7 Explanation:
Question 8 |
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.
HTTP GET request, DNS query, TCP SYN | |
DNS query, HTTP GET request, TCP SYN | |
DNS query,TCP SYN, HTTP GET request | |
TCP SYN, DNS query, HTTP GET request |
Question 8 Explanation:
Question 9 |
Which of the following is/are example(s) of stateful application layer protocols?
(i) HTTP
(ii) FTP
(iii) TCP
(iv) POP3
(i) HTTP
(ii) FTP
(iii) TCP
(iv) POP3
(i) and(ii)only | |
(ii) and(iii)only | |
(ii) and(iv)only | |
(iv)only |
Question 9 Explanation:
Question 10 |
Which statement is false?
PING is a TCP/IP application that sends datagrams once every second in the hope of an echo response from the machine being PINGED | |
If the machine is connected and running a TCP/IP protocol stack, it should respond to the PING datagram with a datagram of its own | |
If PING encounters an error condition, an ICMP message is not returned | |
PING display the time of the return response in milliseconds or one of several error message |
Question 10 Explanation:
There are 10 questions to complete.
In question 14 wrong reference of gateoverflow is given
Thank You Ritvik,
We have updated it.