McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) , Electrical Engineering , Bachelor of Science in Computer Science TY (BSc CS) , Bachelor of Science in Information Technology FY (BSc IT) , Bachelor of Science in Information Technology SY (BSc IT) .
| 651. |
What is interframe gap? |
| A. | idle time between frames |
| B. | idle time between frame bits |
| C. | idle time between packets |
| D. | idle time between networks |
| Answer» A. idle time between frames | |
| 652. |
In wireless ad-hoc network _________ |
| A. | access point is not required |
| B. | access point is must |
| C. | nodes are not required |
| D. | all nodes are access points |
| Answer» A. access point is not required | |
| 653. |
In wireless distribution system __________ |
| A. | multiple access point are inter-connected with each other |
| B. | there is no access point |
| C. | only one access point exists |
| D. | access points are not required |
| Answer» A. multiple access point are inter-connected with each other | |
| 654. |
A wireless network interface controller can work in _______ |
| A. | infrastructure mode |
| B. | ad-hoc mode |
| C. | both infrastructure mode and ad-hoc mode |
| D. | wds mode |
| Answer» C. both infrastructure mode and ad-hoc mode | |
| 655. |
In wireless network an extended service set is a set of ________ |
| A. | connected basic service sets |
| B. | all stations |
| C. | all access points |
| D. | connected access points |
| Answer» A. connected basic service sets | |
| 656. |
Mostly ________ is used in wireless LAN. |
| A. | time division multiplexing |
| B. | orthogonal frequency division multiplexing |
| C. | space division multiplexing |
| D. | channel division multiplexing |
| Answer» B. orthogonal frequency division multiplexing | |
| 657. |
Which one of the following event is not possible in wireless LAN? |
| A. | collision detection |
| B. | acknowledgement of data frames |
| C. | multi-mode data transmission |
| D. | connection to wired networks |
| Answer» A. collision detection | |
| 658. |
What is Wired Equivalent Privacy (WEP)? |
| A. | security algorithm for ethernet |
| B. | security algorithm for wireless networks |
| C. | security algorithm for usb communication |
| D. | security algorithm for emails |
| Answer» B. security algorithm for wireless networks | |
| 659. |
What is WPA? |
| A. | wi-fi protected access |
| B. | wired protected access |
| C. | wired process access |
| D. | wi-fi process access |
| Answer» A. wi-fi protected access | |
| 660. |
What is internet? |
| A. | a single network |
| B. | a vast collection of different networks |
| C. | interconnection of local area networks |
| D. | interconnection of wide area networks |
| Answer» B. a vast collection of different networks | |
| 661. |
To join the internet, the computer has to be connected to a _________ |
| A. | internet architecture board |
| B. | internet society |
| C. | internet service provider |
| D. | different computer |
| Answer» C. internet service provider | |
| 662. |
ISP exchanges internet traffic between their networks by __________ |
| A. | internet exchange point |
| B. | subscriber end point |
| C. | isp end point |
| D. | internet end point |
| Answer» A. internet exchange point | |
| 663. |
Which of the following protocols is used in the internet? |
| A. | http |
| B. | dhcp |
| C. | dns |
| D. | dns, http and dns |
| Answer» D. dns, http and dns | |
| 664. |
The size of an IP address in IPv6 is _________ |
| A. | 32 bits |
| B. | 64 bits |
| C. | 128 bits |
| D. | 265 bits |
| Answer» C. 128 bits | |
| Explanation: an ipv6 address is 128 bits long. therefore, 2128 i.e. 340 undecillion addresses are possible in ipv6. ipv4 has only 4 billion possible addresses and ipv6 would be a brilliant alternative in case ipv4 runs out of possible new addresses. | |
| 665. |
Internet works on _______ |
| A. | packet switching |
| B. | circuit switching |
| C. | both packet switching and circuit switching |
| D. | data switching |
| Answer» A. packet switching | |
| 666. |
Which one of the following is not an application layer protocol used in internet? |
| A. | remote procedure call |
| B. | internet relay chat |
| C. | resource reservation protocol |
| D. | local procedure call |
| Answer» C. resource reservation protocol | |
| 667. |
Which protocol assigns IP address to the client connected in the internet? |
| A. | dhcp |
| B. | ip |
| C. | rpc |
| D. | rsvp |
| Answer» A. dhcp | |
| 668. |
Which one of the following is not used in media access control? |
| A. | ethernet |
| B. | digital subscriber line |
| C. | fiber distributed data interface |
| D. | packet switching |
| Answer» D. packet switching | |
| 669. |
An interconnected collection of piconet is called ___________ |
| A. | scatternet |
| B. | micronet |
| C. | mininet |
| D. | multinet |
| Answer» A. scatternet | |
| 670. |
In a piconet, there can be up to ________ parked nodes in the network. |
| A. | 63 |
| B. | 127 |
| C. | 255 |
| D. | 511 |
| Answer» C. 255 | |
| 671. |
Bluetooth is the wireless technology for __________ |
| A. | local area network |
| B. | personal area network |
| C. | metropolitan area network |
| D. | wide area network |
| Answer» B. personal area network | |
| 672. |
Bluetooth uses __________ |
| A. | frequency hopping spread spectrum |
| B. | orthogonal frequency division multiplexing |
| C. | time division multiplexing |
| D. | channel division multiplexing |
| Answer» A. frequency hopping spread spectrum | |
| 673. |
What is A2DP (advanced audio distribution profile)? |
| A. | a bluetooth profile for streaming audio |
| B. | a bluetooth profile for streaming video |
| C. | a bluetooth profile for security |
| D. | a bluetooth profile for file management |
| Answer» A. a bluetooth profile for streaming audio | |
| 674. |
In a piconet, one master device ________ |
| A. | can not be slave |
| B. | can be slave in another piconet |
| C. | can be slave in the same piconet |
| D. | can be master in another piconet |
| Answer» B. can be slave in another piconet | |
| 675. |
Bluetooth transceiver devices operate in ______ band. |
| A. | 2.4 ghz ism |
| B. | 2.5 ghz ism |
| C. | 2.6 ghz ism |
| D. | 2.7 ghz ism |
| Answer» A. 2.4 ghz ism | |
| 676. |
Bluetooth supports _______ |
| A. | point-to-point connections |
| B. | point-to-multipoint connection |
| C. | both point-to-point connections and point-to-multipoint connection |
| D. | multipoint to point connection |
| Answer» C. both point-to-point connections and point-to-multipoint connection | |
| 677. |
A scatternet can have maximum __________ |
| A. | 10 piconets |
| B. | 20 piconets |
| C. | 30 piconets |
| D. | 40 piconets |
| Answer» A. 10 piconets | |
| 678. |
WiMAX stands for ___________ |
| A. | wireless maximum communication |
| B. | worldwide interoperability for microwave access |
| C. | worldwide international standard for microwave access |
| D. | wireless internet maximum communication |
| Answer» B. worldwide interoperability for microwave access | |
| 679. |
WiMAX provides ________ |
| A. | simplex communication |
| B. | half duplex communication |
| C. | full duplex communication |
| D. | no communication |
| Answer» C. full duplex communication | |
| 680. |
WiMAX uses the _________ |
| A. | orthogonal frequency division multiplexing |
| B. | time division multiplexing |
| C. | space division multiplexing |
| D. | channel division multiplexing |
| Answer» A. orthogonal frequency division multiplexing | |
| 681. |
Which of the following modulation schemes is supported by WiMAX? |
| A. | binary phase shift keying modulation |
| B. | quadrature phase shift keying modulation |
| C. | quadrature amplitude modulation |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 682. |
WiMAX MAC layer provides an interface between ___________ |
| A. | higher transport layers and physical layer |
| B. | application layer and network layer |
| C. | data link layer and network layer |
| D. | session layer and application layer |
| Answer» A. higher transport layers and physical layer | |
| 683. |
For encryption, WiMAX supports _______ |
| A. | advanced encryption standard |
| B. | triple data encryption standard |
| C. | advanced encryption standard and triple data encryption standard |
| D. | double data encryption standard |
| Answer» C. advanced encryption standard and triple data encryption standard | |
| 684. |
WiMAX provides _______ |
| A. | voip services |
| B. | iptv services |
| C. | both voip and iptv services |
| D. | no iptv services |
| Answer» C. both voip and iptv services | |
| 685. |
WiMAX is mostly used for __________ |
| A. | local area network |
| B. | metropolitan area network |
| C. | personal area network |
| D. | wide area network |
| Answer» B. metropolitan area network | |
| 686. |
Which of the following frequencies is not used in WiMAX for communication? |
| A. | 2.3 ghz |
| B. | 2.4 ghz |
| C. | 2.5 ghz |
| D. | 3.5 ghz |
| Answer» B. 2.4 ghz | |
| 687. |
SONET stands for ___________ |
| A. | synchronous optical network |
| B. | synchronous operational network |
| C. | stream optical network |
| D. | shell operational network |
| Answer» A. synchronous optical network | |
| 688. |
In SONET, STS-1 level of electrical signalling has the data rate of _________ |
| A. | 51.84 mbps |
| B. | 155.52 mbps |
| C. | 2488.320 mbps |
| D. | 622.080 mbps |
| Answer» A. 51.84 mbps | |
| 689. |
The path layer of SONET is responsible for the movement of a signal _________ |
| A. | from its optical source to its optical destination |
| B. | across a physical line |
| C. | across a physical section |
| D. | back to its optical source |
| Answer» B. across a physical line | |
| 690. |
The photonic layer of the SONET is similar to the __________ of OSI model. |
| A. | network layer |
| B. | data link layer |
| C. | physical layer |
| D. | transport layer |
| Answer» C. physical layer | |
| 691. |
In SONET, each synchronous transfer signal STS-n is composed of __________ |
| A. | 2000 frames |
| B. | 4000 frames |
| C. | 8000 frames |
| D. | 16000 frames |
| Answer» C. 8000 frames | |
| 692. |
A linear SONET network can be ________ |
| A. | point-to-point |
| B. | multi-point |
| C. | both point-to-point and multi-point |
| D. | single point |
| Answer» C. both point-to-point and multi-point | |
| 693. |
Automatic protection switching in linear network is defined at the _______ |
| A. | line layer |
| B. | section layer |
| C. | photonic layer |
| D. | path layer |
| Answer» A. line layer | |
| 694. |
A unidirectional path switching ring is a network with __________ |
| A. | one ring |
| B. | two rings |
| C. | three rings |
| D. | four rings |
| Answer» B. two rings | |
| 695. |
Real-time transport protocol (RTP) is mostly used in _________ |
| A. | streaming media |
| B. | video teleconference |
| C. | television services |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 696. |
RTP is used to ________ |
| A. | carry the media stream |
| B. | monitor transmission statistics of streams |
| C. | monitor quality of service of streams |
| D. | secure the stream |
| Answer» A. carry the media stream | |
| 697. |
RTP provides the facility of jitter ____________ |
| A. | media stream |
| B. | expansion |
| C. | media modification |
| D. | security |
| Answer» A. media stream | |
| 698. |
Which protocol provides the synchronization between media streams? |
| A. | rtp |
| B. | rtcp |
| C. | rpc |
| D. | rtct |
| Answer» B. rtcp | |
| 699. |
An RTP session is established for ____________ |
| A. | each media stream |
| B. | all media streams |
| C. | some predefined number of media streams |
| D. | no media stream |
| Answer» A. each media stream | |
| 700. |
RTP can use __________ |
| A. | unprevileleged udp ports |
| B. | stream control transmission protocol |
| C. | datagram congestion control protocol |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
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