Top 1000+ Solved Computer Networks MCQ Questions Answer
Q. The communication mode that supports data in both directions at the sametime is
a. simplex
b. half-duplex
c. full-duplex
d. multiplex
Q. The basic Ethernet design does not provide
a. access control
b. addressing
c. automatic retransmission of a message
d. multiple virtual networks
Q. What does the acronym ISDN stand for?
a. Indian Standard Digital Network
b. Integrated Services Digital Network
c. Intelligent Services Digital Network
d. Integrated Services Data Network
Q. ASK, PSK, FSK, and QAM are examples of encoding.
a. digital-to-digital
b. digital-to-analog
c. analog-to-analog
d. analog-to-digital
Q. Who invented the modem?
a. Wang Laboratories Ltd.
b. AT & T Information Systems, USA
c. Apple Computers In
d. Digital Equipment Corpn
Q. With an IP address of 201.142.23.12, what is your default subnetmask?
a. 0.0.0.0
b. 255.0.0.0
c. 255.255.0.0
d. 255.255.255.0
Q. Which utility is an all-purpose tool for troubleshooting TCP/IP problems?
a. NBTSTAT
b. Netstat
c. PING
d. Hostname
Q. Which Layer is Responsible for Congestion Control?
a. Network Layer
b. Data link Layer
c. Transport Layer
d. Application layer
Q. Which of these is a feature of hubs?
a. Hubs amplifies the incoming signal.
b. Hubs understand frames, packets or headers
c. All lines coming into a Hub must operate at a same speed.
d. all of these
Q. DSL stands for
a. data subscriber lines
b. dual subscriber lines
c. delay subscriber lines
d. digital subscriber lines
Q. Which of the following is a MAC address?
a. 192.166.200.50
b. 00056A:01A01A5CCA7FF60
c. 568, Airport Road
d. 01:A5: BB: A7: FF: 60
Q. The main difference between TCP and UDP is
a. UDP is connection oriented whereas TCP is datagram service
b. TCP is an Internet protocol whereas UDP is an ATM protocol
c. UDP is a datagram whereas TCP is a connection oriented service
d. All of the above