An interconnected collection of piconet is called _______
1.scatternet
2.micronet
3.mininet
4.multinet
For encryption, WiMAX supports _______
1.advanced encryption standard
2.triple data encryption standard
3.advanced encryption standard and triple data encryption standard
4. double data encryption standard
In a piconet, there can be up to ________ parked nodes in the network.
1.63
2.127
3. 255
4. 511
In wireless ad-hoc network ____
1.access point is not required
2.access point is must
3.nodes are not required
4.all nodes are access points
Internet access by transmitting digital data over the wires of a local telephone network is provided by _______
1. leased line
2.digital subscriber line
3.digital signal line
4.digital leased line
ISP exchanges internet traffic between their networks by _______
1. internet exchange point
2. subscriber end point
3. isp end point
4.internet end point
The size of an IP address in IPv6 is _________
1. 32 bits
2.64 bits
3.128 bits
4. 265 bits
Which multiple access technique is used by IEEE 802.11 standard for wireless LAN?
1.CDMA
2.CSMA/CA
3.ALOHA
4.CSMA/CD
Which one of the following event is not possible in wireless LAN?
1.collision detection
2.acknowledgement of data frames
3. multi-mode data transmission
4.connection to wired networks
Which one of the following is not used in media access control?
1.ethernet
2. digital subscriber line
3. fiber distributed data interface
4.packet switching
WiMAX provides ________
1.simplex communication
2.half duplex communication
3.full duplex communication
4. no communication
WiMAX stands for _______
1.wireless maximum communication
2.worldwide interoperability for microwave access
3.worldwide international standard for microwave access
4.wireless internet maximum communication
A point-to-point protocol over ethernet is a network protocol for ____
1.encapsulating PPP frames inside ethernet frames
2.encapsulating ehternet framse inside PPP frames
3.for security of ethernet frames
4. for security of PPP frames
A scatternet can have maximum ______
1.10 piconets
2.20 piconets
3.30 piconets
4.40 piconets
A wireless network interface controller can work in _______
1.infrastructure mode
2.ad-hoc mode
3.both infrastructure mode and ad-hoc mode
4.WDS mode
An ethernet frame that is less than the IEEE 802.3 minimum length of 64 octets is called _______
1. short frame
2.runt frame
3.mini frame
4.man frame
Bluetooth is the wireless technology for _____
1. local area network
2.personal area network
3.metropolitan area network
4.wide area network
Bluetooth supports _______
1.point-to-point connections
2. point-to-multipoint connection
3. both point-to-point connections and point-to-multipoint connection
4.multipoint to point connection
Bluetooth transceiver devices operate in ______ band.
1.2.4 GHz ISM
2.2.5 GHz ISM
3.2.6 GHz ISM
4.2.7 GHz ISM
Bluetooth uses ______
1.frequency hopping spread spectrum
2. orthogonal frequency division multiplexing
3.time division multiplexing
4.channel division multiplexing
Devices that provide the connectivity to a WiMAX network are known as _________
1.subscriber stations
2.base stations
3.gateway
4.switch stations
Ethernet frame consists of _____
1.MAC address
2. IP address
3.Default mask
4.Network address
Ethernet in metropolitan area network (MAN) can be used as ____
1.pure ethernet
2.ethernet over SDH
3.ethernet over MPLS
4.all of the mentioned
High speed ethernet works on ______
1. coaxial cable
2.twisted pair cable
3.optical fiber
4.unshielded twisted pair cable
In a piconet, one master device ________
1.can not be slave
2.can be slave in another piconet
3.can be slave in the same piconet
4.can be master in another piconet
In wireless distribution system _____
1.multiple access point are inter-connected with each other
2.there is no access point
3.only one access point exists
4.access points are not required
In wireless network an extended service set is a set of ________
1. connected basic service sets
2.all stations
3. all access points
4.connected access points
Internet works on _______
1.packet switching
2.circuit switching
3. both packet switching and circuit switching
4.data switching
MAC address is of ________
1. 24 bits
2.36 bits
3. 42 bits
4.48 bits
Mostly ________ is used in wireless LAN.
1.time division multiplexing
2.orthogonal frequency division multiplexing
3.space division multiplexing
4.channel division multiplexing
The maximum size of payload field in ethernet frame is _____
1.1000 bytes
2.1200 bytes
3.1300 bytes
4.1500 bytes
To join the internet, the computer has to be connected to a _____
1. internet architecture board
2.internet society
3. internet service provider
4.different computer
Unauthorised access of information from a wireless device through a bluetooth connection is called _________
1.bluemaking
2.bluesnarfing
3.bluestring
4.bluescoping
What is A2DP (advanced audio distribution profile)?
1. a bluetooth profile for streaming audio
2.a bluetooth profile for streaming video
3. a bluetooth profile for security
4.a bluetooth profile for file management
What is autonegotiation?
1.a procedure by which two connected devices choose common transmission parameters
2.a security algorithm
3. a routing algorithm
4.encryption algorithm
What is interframe gap?
1.idle time between frames
2.idle time between frame bits
3. idle time between packets
4.idle time between networks
What is internet?
1. a single network
2.a vast collection of different networks
3. interconnection of local area networks
4. interconnection of wide area networks
What is start frame delimeter (SFD) in ethernet frame?
1. 10101010
2. 10101011
3.00000000
4.11111111
What is the access point (AP) in a wireless LAN?
1.device that allows wireless devices to connect to a wired network
2.wireless devices itself
3.both device that allows wireless devices to connect to a wired network and wireless devices itself
4.all the nodes in the network
What is Wired Equivalent Privacy (WEP)?
1. security algorithm for ethernet
2.security algorithm for wireless networks
3. security algorithm for usb communication
4.security algorithm for emails
What is WPA?
1. wi-fi protected access
2.wired protected access
3. wired process access
4.wi-fi process access
Which of the following frequencies is not used in WiMAX for communication?
1. 2.3 GHz
2.2.4 GHz
3. 2.5 GHz
4.3.5 GHz
Which of the following modulation schemes is supported by WiMAX?
1.binary phase shift keying modulation
2.quadrature phase shift keying modulation
3.quadrature amplitude modulation
4.all of the mentioned
Which of the following protocols is used in the internet?
1.HTTP
2.DHCP
3.DNS
4.DNS, HTTP and DNS
Which one of the following is not an application layer protocol used in internet?
1.remote procedure call
2.internet relay chat
3.resource reservation protocol
4. local procedure call
Which protocol assigns IP address to the client connected in the internet?
1.DHCP
2. IP
3.RPC
4.RSVP
WiMAX is mostly used for ______
1. local area network
2.metropolitan area network
3.personal area network
4.wide area network
WiMAX MAC layer provides an interface between ______
1.higher transport layers and physical layer
2.application layer and network layer
3.data link layer and network layer
4. session layer and application layer
WiMAX provides _______
1.VoIP services
2. IPTV services
3.Both VoIP and IPTV services
4.no IPTV services
WiMAX uses the ______
1.orthogonal frequency division multiplexing
2. time division multiplexing
3.space division multiplexing
4.channel division multiplexing