Top 1000+ Solved Computer Networks MCQ Questions Answer
Q. AJAX stands for
a. asynchronous javascript and xml
b. advanced jsp and xml
c. asynchronous jsp and xml
d. advanced javascript and xml
Q. Multiple object can be sent over a TCP connection between client and server in
a. persistent http
b. nonpersistent http
c. both (a) and (b)
d. none of the mentioned
Q. HTTP is ________ protocol.
a. application layer
b. transport layer
c. network layer
d. none of the mentioned
Q. In the network HTTP resources are located by
a. uniform resource identifier
b. unique resource locator
c. unique resource identifier
d. none of the mentioned
Q. How many digits of the DNIC (Data Network Identification Code) identify the country?
a. First three
b. First four
c. First five
d. First six
Q. Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?
a. FTP
b. SNMP
c. SMTP
d. RPC
Q. Which of the following device is used to connect two systems, especially if the systems use different protocols?
a. hub
b. bridge
c. gateway
d. repeater
Q. _______ can detect burst error of length less than or equal to degree of the polynomial and detects burst errors that affect odd number of bits.
a. Hamming Code
b. CRC
c. VRC
d. None of the above
Q. In an Ethernet local area network, which one of the following statements is TRUE?
a. A station stops to sense the channel once it starts transmitting a frame.
b. The purpose of the jamming signal is to pad the frames that are smaller than the minimum frame size.
c. A station continues to transmit the packet even after the collision is detected.
d. The exponential back off mechanism reduces the probability of collision on retr
Q. Which of the following to keep track of the individual units of data (called packets) that a message is divided into for efficient routing through the Internet.
a. Address Resolution Protocol (ARP)
b. Internet Protocol (IP)
c. Hypertext transfer Protocol (HTTP)
d. Tr
Q. If a file consisting of 50,000 characters takes 40 seconds to send, then the data rate is __________.
a. 1 kbps
b. 1.25 kbps
c. 2 kbps
d. 10 kbps
Q. Sending a file from your personal computer's primary memory or disk to another computer is called
a. uploading
b. downloading
c. logging on
d. hangs on
Q. Consider different activities related to email. m1:Send an email from a mail client to mail server m2:Download an email from mailbox server to a mail client m3:Checking email in a web browserWhich is the applicable level protocol user in each activity?
a. m1:HTTP, m2:SMTP, m3:POP
b. m1:SMTP, m2:FTP, m3:HTTP
c. m1:SMTP, m2:POP, m3:HTTP
d. m1:POP, m2:SMTP, m3:IMAP
Q. In the slow start phase of the TCP congestion control algorithm, the size of the congestion window
a. does not increase
b. increases linearly
c. increases quadratically
d. increases exponentially