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