Question No: 1 ( Marks: 1 ) - Please choose one
No error detection scheme is perfect because transmission errors can affect the additional information as well as the data.
► True
► False
Question No: 2 ( Marks: 1 ) - Please choose one
------ Program sends a message to a remote computer and reports whether the computer responds.
► Ping
Ping
► Traceroute
► ICMP
► Non of the given
Question No: 3 ( Marks: 1 ) - Please choose one
---------- was especially concerned about the lack of high powered computers.
► ARPA
► IEEE
► EIA
► Non of the given
Question No: 4 ( Marks: 1 ) - Please choose one
The term -------- is used to denote the definition of a packet used with a specific type of network.
► Packet
► Frame
► Data
► None of the given
Question No: 5 ( Marks: 1 ) - Please choose one
Computer networks are often called -------------- because they use packet technology.
► Ethernet
► Switch networks
► Packet networks
► None of the given
Question No: 6 ( Marks: 1 ) - Please choose one
-------------- have advantages arisen from the size and ease of computation.
► CRC
► Parity
► Checksums
► None of given
Question No: 7 ( Marks: 1 ) - Please choose one
Most LANs that employ ring topology use an access mechanism known as-------
► CSMA/CD
► CSMA/CA
► TOKEN PASSING
► None of the given
Question No: 8 ( Marks: 1 ) - Please choose one
IEEE LLC/SNAP header is --------, which is used to specify the type of data.
► 8 octets
► 8 bytes
► 8 bits
► None of the given
Question No: 9 ( Marks: 1 ) - Please choose one
Formally named __________ informally known as the twisted pair Ethernet or TP Ethernet.
► 10 Base 2
► 10 Base 5
► 10 Base T
► None of the given
Question No: 10 ( Marks: 1 ) - Please choose one
An interface for twisted pair Ethernet must have an ____________ connector , and must generate signals according to the_____________ specification.
► RJ-45, 10 Base T
► RJ-45, 10 Base 5
► BNC, 10 Base 2
► BNC, 10 Base T
Question No: 11 ( Marks: 1 ) - Please choose one
A bridges function in the _________ layers(s).
► Physical (MAC)
► Data link
► Network
► Physical (MAC) and Data link
Question No: 12 ( Marks: 1 ) - Please choose one
A Bridge can ________
► Filter a frame
► Forward a frame
► Extend a LAN
► Do all the above
Question No: 13 ( Marks: 1 ) - Please choose one
A Bridge forwards or filters a frame by comparing the information in its address table to the frame’s__________
► Layer 2 source address
► Source node’s physical address
► Layer 2 destination address
► Layer 3 destination address
Question No: 14 ( Marks: 1 ) - Please choose one
________ computes shortest paths in a graph by using weights on edges as a measure of distance.
► Greedy algorithm
► Distance vector algorithm
► Dijksta’s algorithm
► Non of the given
Question No: 15 ( Marks: 1 ) - Please choose one
___________ is used for audio and video, since these have predefined maximum data rates
► Constant Bit Rate (CBR) service
► Variable Bit Rate (VBR) service
► Available Bit Rate (ABR) service
► None of the given
Question No: 16 ( Marks: 1 ) - Please choose one
Unlike Frame Relay and ATM, SMDS (Switched multi-megabit Data service) offers_______ .
► Connectionless service paradigm
► Connection oriented service paradigm
► Both Connectionless and Connection-oriented service paradigm
► None of the given
Question No: 17 ( Marks: 1 ) - Please choose one
A network with throughput T and delay D has a total of ________ bit in transit at any time.
► T / D
► T x D
► T + D
► None of the given
Question No: 18 ( Marks: 1 ) - Please choose one
ATM is designed to work on___________.
► Twisted Pair
► Coaxial
► Radio Frequency
► Fiber
Question No: 19 ( Marks: 1 ) - Please choose one
Computers attached to an ethernet use ------ in which a computer waits for the ether to be idle before transmitting a frame.
► CSMA/CD
► CSMA/CA
► TOKEN PASSING
► None of the given
Question No: 20 ( Marks: 1 ) - Please choose one
FDDI can transmits data at a rate of ----------
► 100 million bits per second
► 10 million bits per second
► 1000 million bits per second
► None of the given
