MCQOPTIONS
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MCQOPTIONS
This section includes 479 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
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» C. across a physical section | |
| 102. |
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» D. transport layer | |
| 103. |
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» B. 155.52 mbps | |
| 104. |
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» C. 2.5 ghz | |
| 105. |
SONET stands for ___________ |
| A. | synchronous optical network |
| B. | synchronous operational network |
| C. | stream optical network |
| D. | shell operational network |
| Answer» B. synchronous operational network | |
| 106. |
WiMAX is mostly used for __________ |
| A. | local area network |
| B. | metropolitan area network |
| C. | personal area network |
| D. | wide area network |
| Answer» C. personal area network | |
| 107. |
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» D. double data encryption standard | |
| 108. |
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» B. application layer and network layer | |
| 109. |
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» E. | |
| 110. |
WiMAX uses the _________ |
| A. | orthogonal frequency division multiplexing |
| B. | time division multiplexing |
| C. | space division multiplexing |
| D. | channel division multiplexing |
| Answer» B. time division multiplexing | |
| 111. |
WiMAX provides _______ |
| A. | voip services |
| B. | iptv services |
| C. | both voip and iptv services |
| D. | no iptv services |
| Answer» D. no iptv services | |
| 112. |
WiMAX provides ________ |
| A. | simplex communication |
| B. | half duplex communication |
| C. | full duplex communication |
| D. | no communication |
| Answer» D. no communication | |
| 113. |
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» C. worldwide international standard for microwave access | |
| 114. |
A scatternet can have maximum __________ |
| A. | 10 piconets |
| B. | 20 piconets |
| C. | 30 piconets |
| D. | 40 piconets |
| Answer» B. 20 piconets | |
| 115. |
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» D. multipoint to point connection | |
| 116. |
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» B. 2.5 ghz ism | |
| 117. |
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» B. a bluetooth profile for streaming video | |
| 118. |
Bluetooth uses __________ |
| A. | frequency hopping spread spectrum |
| B. | orthogonal frequency division multiplexing |
| C. | time division multiplexing |
| D. | channel division multiplexing |
| Answer» B. orthogonal frequency division multiplexing | |
| 119. |
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» C. can be slave in the same piconet | |
| 120. |
Bluetooth is the wireless technology for __________ |
| A. | local area network |
| B. | personal area network |
| C. | metropolitan area network |
| D. | wide area network |
| Answer» C. metropolitan area network | |
| 121. |
In a piconet, there can be up to ________ parked nodes in the network. |
| A. | 63 |
| B. | 127 |
| C. | 255 |
| D. | 511 |
| Answer» D. 511 | |
| 122. |
An interconnected collection of piconet is called ___________ |
| A. | scatternet |
| B. | micronet |
| C. | mininet |
| D. | multinet |
| Answer» B. micronet | |
| 123. |
Which protocol assigns IP address to the client connected in the internet? |
| A. | dhcp |
| B. | ip |
| C. | rpc |
| D. | rsvp |
| Answer» B. ip | |
| 124. |
Internet works on _______ |
| A. | packet switching |
| B. | circuit switching |
| C. | both packet switching and circuit switching |
| D. | data switching |
| Answer» B. circuit switching | |
| 125. |
Which of the following protocols is used in the internet? |
| A. | http |
| B. | dhcp |
| C. | dns |
| D. | dns, http and dns |
| Answer» E. | |
| 126. |
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» B. subscriber end point | |
| 127. |
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» D. different computer | |
| 128. |
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» C. interconnection of local area networks | |
| 129. |
What is WPA? |
| A. | wi-fi protected access |
| B. | wired protected access |
| C. | wired process access |
| D. | wi-fi process access |
| Answer» B. wired protected access | |
| 130. |
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» C. security algorithm for usb communication | |
| 131. |
Mostly ________ is used in wireless LAN. |
| A. | time division multiplexing |
| B. | orthogonal frequency division multiplexing |
| C. | space division multiplexing |
| D. | channel division multiplexing |
| Answer» C. space division multiplexing | |
| 132. |
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» B. all stations | |
| 133. |
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» B. acknowledgement of data frames | |
| 134. |
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» D. wds mode | |
| 135. |
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» B. there is no access point | |
| 136. |
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» B. access point is must | |
| 137. |
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» B. idle time between frame bits | |
| 138. |
The maximum size of payload field in ethernet frame is __________ |
| A. | 1000 bytes |
| B. | 1200 bytes |
| C. | 1300 bytes |
| D. | 1500 bytes |
| Answer» E. | |
| 139. |
A point-to-point protocol over ethernet is a network protocol for __________ |
| A. | encapsulating ppp frames inside ethernet frames |
| B. | encapsulating ehternet framse inside ppp frames |
| C. | for security of ethernet frames |
| D. | for security of ppp frames |
| Answer» B. encapsulating ehternet framse inside ppp frames | |
| 140. |
High speed ethernet works on _________ |
| A. | coaxial cable |
| B. | twisted pair cable |
| C. | optical fiber |
| D. | unshielded twisted pair cable |
| Answer» D. unshielded twisted pair cable | |
| 141. |
Ethernet in metropolitan area network (MAN) can be used as ___________ |
| A. | pure ethernet |
| B. | ethernet over sdh |
| C. | ethernet over mpls |
| D. | all of the mentioned |
| Answer» E. | |
| 142. |
MAC address is of ___________ |
| A. | 24 bits |
| B. | 36 bits |
| C. | 42 bits |
| D. | 48 bits |
| Answer» E. | |
| 143. |
What is start frame delimeter (SFD) in ethernet frame? |
| A. | 10101010 |
| B. | 10101011 |
| C. | 00000000 |
| D. | 11111111 |
| Answer» C. 00000000 | |
| 144. |
Choose the wrong statement from the following. |
| A. | nslookup is used to query a dns server for dns data |
| B. | ping is used to check connectivity |
| C. | pathping combines the functionality of ping with that of route |
| D. | ifconfig can configure tcp/ip network interface parameters |
| Answer» D. ifconfig can configure tcp/ip network interface parameters | |
| 145. |
Ethernet frame consists of ____________ |
| A. | mac address |
| B. | ip address |
| C. | default mask |
| D. | network address |
| Answer» B. ip address | |
| 146. |
__________ allows checking if a domain is available for registration. |
| A. | domain check |
| B. | domain dossier |
| C. | domain lookup |
| D. | domain registers |
| Answer» B. domain dossier | |
| 147. |
Which of the following is not related to ipconfig in Microsoft Windows? |
| A. | display all current tcp/ip network configuration values |
| B. | modify dhcp settings |
| C. | modify dns settings |
| D. | trace the routers in the path to destination |
| Answer» E. | |
| 148. |
ICMP is used in _________ |
| A. | ping |
| B. | traceroute |
| C. | ifconfig |
| D. | both ping & traceroute |
| Answer» E. | |
| 149. |
Ping sweep is a part of _________ |
| A. | traceroute |
| B. | nmap |
| C. | route |
| D. | ipconfig |
| Answer» C. route | |
| 150. |
Ping can _________ |
| A. | measure round-trip time |
| B. | report packet loss |
| C. | report latency |
| D. | all of the mentioned |
| Answer» E. | |