Computer Architecture And Organization Set 5

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This set of Computer Architecture and Organization Multiple Choice Questions & Answers (MCQs) focuses on Computer Architecture And Organization Set 5

Q1 | What is start frame delimeter (SFD) in ethernet frame?
  • 10101010
  • 10101011
  • 00000000
  • 11111111
Q2 | MAC address is of                        
  • 24 bits
  • 36 bits
  • 42 bits
  • 48 bits
Q3 | What is autonegotiation?
  • a procedure by which two connected devices choose common transmission parameters
  • a security algorithm
  • a routing algorithm
  • encryption algorithm
Q4 | Ethernet in metropolitan area network (MAN) can be used as                        
  • pure ethernet
  • ethernet over sdh
  • ethernet over mpls
  • all of the mentioned
Q5 | A point-to-point protocol over ethernet is a network protocol for                      
  • encapsulating ppp frames inside ethernet frames
  • encapsulating ehternet framse inside ppp frames
  • for security of ethernet frames
  • for security of ppp frames
Q6 | High speed ethernet works on                    
  • coaxial cable
  • twisted pair cable
  • optical fiber
  • unshielded twisted pair cable
Q7 | The maximum size of payload field in ethernet frame is                      
  • 1000 bytes
  • 1200 bytes
  • 1300 bytes
  • 1500 bytes
Q8 | What is interframe gap?
  • idle time between frames
  • idle time between frame bits
  • idle time between packets
  • idle time between networks
Q9 | An ethernet frame that is less than the IEEE 802.3 minimum length of 64 octets is called                
  • short frame
  • runt frame
  • mini frame
  • man frame
Q10 | In wireless ad-hoc network                    
  • access point is not required
  • access point is must
  • nodes are not required
  • all nodes are access points
Q11 | Which multiple access technique is used by IEEE 802.11 standard for wireless LAN?
  • cdma
  • csma/ca
  • aloha
  • csma/cd
Q12 | In wireless distribution system                      
  • multiple access point are inter-connected with each other
  • there is no access point
  • only one access point exists
  • access points are not required
Q13 | A wireless network interface controller can work in                
  • infrastructure mode
  • ad-hoc mode
  • both infrastructure mode and ad-hoc mode
  • wds mode
Q14 | In wireless network an extended service set is a set of                  
  • connected basic service sets
  • all stations
  • all access points
  • connected access points
Q15 | Mostly                  is used in wireless LAN.
  • time division multiplexing
  • orthogonal frequency division multiplexing
  • space division multiplexing
  • channel division multiplexing
Q16 | Which one of the following event is not possible in wireless LAN?
  • collision detection
  • acknowledgement of data frames
  • multi-mode data transmission
  • connection to wired networks
Q17 | What is Wired Equivalent Privacy (WEP)?
  • security algorithm for ethernet
  • security algorithm for wireless networks
  • security algorithm for usb communication
  • security algorithm for emails
Q18 | What is WPA?
  • wi-fi protected access
  • wired protected access
  • wired process access
  • wi-fi process access
Q19 | The time required to transmit frame depends on
  • frame size
  • channel capacity
  • frame size & channel capacity
  • none of the mentioned
Q20 | Window given the number of
  • bytes
  • frames
  • bytes & frames
  • none of the mentioned
Q21 | Routing is
  • static
  • dynamic
  • static & dynamic
  • none of the mentioned
Q22 | Routing is performed only centrally.
  • true
  • false
Q23 | Which is connection oriented and which is connection-less?
  • datagrams, virtual circuits
  • virtual circuits, datagrams
  • datagrams
  • none of the mentioned
Q24 | Which uses UDP?
  • echo
  • time
  • domain name server
  • all of the mentioned
Q25 | Which uses TCP?
  • simple mail transfer protocol
  • simple network management protocol
  • simple mail transfer & network management protocol
  • none of the mentioned