McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Electronics and Telecommunication Engineering [ENTC] .
| 301. |
Responsibilities of the data link layer are __ |
| A. | multiplexing of data streams |
| B. | data frame detection |
| C. | medium access (mac) & error control. |
| D. | all of above |
| Answer» D. all of above | |
| 302. |
What is the method of access in bluetooth? |
| A. | cdma |
| B. | fdma |
| C. | tdd-tdma |
| D. | cd |
| Answer» C. tdd-tdma | |
| 303. |
The _____ layer is roughly equivalent to the MAC sub layer in bluetooth. |
| A. | l2cap |
| B. | radio |
| C. | baseband |
| D. | none of the above |
| Answer» C. baseband | |
| 304. |
The Bluetooth network is called as |
| A. | piconet |
| B. | bluenet |
| C. | sctternet |
| D. | toothnet |
| Answer» A. piconet | |
| 305. |
Bluetooth have ____ frequency. |
| A. | 2.4 mhz |
| B. | 2.4 ghz |
| C. | 5.0 ghz |
| D. | 5.0 mhz |
| Answer» B. 2.4 ghz | |
| 306. |
WiMAX provides you? |
| A. | full duplex communication |
| B. | half duplex communication |
| C. | simplex communication |
| D. | duplex communication |
| Answer» A. full duplex communication | |
| 307. |
This is the family of specifications for wireless local area networks (WLANs) developed by a working group of the Institute of Electrical and Electronics Engineers (IEEE). |
| A. | 3g |
| B. | 802.11 |
| C. | 802.3 |
| D. | 802.5 |
| Answer» B. 802.11 | |
| 308. |
Which of the following refers to a communications specification that was approved in early 2002 by the Institute of Electrical and Electronics Engineers Standards Association (IEEE-SA) for wireless personal area networks (WPANs)? |
| A. | 802.11a |
| B. | 802.15 |
| C. | 802.11b |
| D. | none of the above |
| Answer» B. 802.15 | |
| 309. |
This is an industry specification that describes how mobile phones, computers, and PDAs can easily interconnect with each other using a short-range wireless connection. |
| A. | bluetooth |
| B. | emi |
| C. | d-amps |
| D. | irda |
| Answer» A. bluetooth | |
| 310. |
This is a specification for a set of communication protocols to standardize the way that wireless devices can be used for Internet access. |
| A. | wap |
| B. | wax |
| C. | vsat |
| D. | tetra |
| Answer» A. wap | |
| 311. |
Piconets in bluetooth have a minimum of two and a maximum of ____________ Bluetooth peer devices. |
| A. | five |
| B. | nine |
| C. | eight |
| D. | twelve |
| Answer» C. eight | |
| 312. |
In IEEE 802.11, a ___ is made of stationary or mobile wireless stations and an optional central base station, known as the access point (AP). |
| A. | ess |
| B. | bss |
| C. | css |
| D. | none of the above |
| Answer» B. bss | |
| 313. |
Bluetooth is a _______ technology that connects devices (called gadgets) in a small area. |
| A. | wired lan |
| B. | wireless lan |
| C. | vlan |
| D. | none of the above |
| Answer» B. wireless lan | |
| 314. |
In Bluetooth, multiple ________ form a network called a _________. |
| A. | scatternet; piconets |
| B. | piconets: scatternet |
| C. | piconets: bluenet |
| D. | bluenet; scatternet |
| Answer» B. piconets: scatternet | |
| 315. |
IEEE has defined the specifications for a wireless LAN called _______, which covers the physical and data link layers. |
| A. | ieee 802.3 |
| B. | ieee 802.5 |
| C. | ieee 802.11 |
| D. | ieee 802.2 |
| Answer» C. ieee 802.11 | |
| 316. |
A Bluetooth network consists of _____ primary device(s) and up to ____ secondary devices. |
| A. | one; five |
| B. | five; three |
| C. | two; six |
| D. | one; seven |
| Answer» D. one; seven | |
| 317. |
In Bluetooth, the current data rate is ____Mbps |
| A. | 2 |
| B. | 5 |
| C. | 11 |
| D. | none of the above |
| Answer» D. none of the above | |
| 318. |
In Bluetooth, the _______ layer is roughly equivalent to the Physical layer of the Internet model. |
| A. | radio |
| B. | baseband |
| C. | l2cap |
| D. | none of the above |
| Answer» A. radio | |
| 319. |
In Bluetooth, the _________ sublayer, is roughly equivalent to the LLC sublayer in LANs. |
| A. | radio |
| B. | baseband |
| C. | l2cap |
| D. | none of the above |
| Answer» C. l2cap | |
| 320. |
IEEE 802.15.4 standard is used with |
| A. | zigbee |
| B. | rubee |
| C. | wibree |
| D. | z-wave |
| Answer» A. zigbee | |
| 321. |
IEEE 802.15.1 standard is used with |
| A. | zigbee |
| B. | rubee |
| C. | wibree |
| D. | z-wave |
| Answer» C. wibree | |
| 322. |
IEEE 802.15 standard is used with |
| A. | zigbee |
| B. | wibree |
| C. | z-wave |
| D. | a and b both |
| Answer» D. a and b both | |
| 323. |
Frequency used for communication in Z-Wave standard is |
| A. | 2.4 ghz |
| B. | 2.4 mhz |
| C. | 860 mhz |
| D. | none of the above |
| Answer» C. 860 mhz | |
| 324. |
Data range is maximum for (in terms of distance in meters) |
| A. | zigbee |
| B. | rubee |
| C. | wibree |
| D. | z-wave |
| Answer» D. z-wave | |
| 325. |
Data range is minimum for (in terms of distance in meters) |
| A. | zigbee |
| B. | rubee |
| C. | wibree |
| D. | z-wave |
| Answer» C. wibree | |
| 326. |
Network size is maximum for (in terms number of nodes) |
| A. | zigbee |
| B. | rubee |
| C. | wibree |
| D. | z-wave |
| Answer» A. zigbee | |
| 327. |
Network size is minimum for (in terms number of nodes) |
| A. | zigbee |
| B. | wibree |
| C. | z-wave |
| D. | none of the above |
| Answer» B. wibree | |
| 328. |
Localizing and tracking of objects is an essential capability for a sensor network in many practical applications |
| A. | applicable only for stationary objects |
| B. | applicable for stationary as well as moving objects |
| C. | applicable only for moving objects |
| D. | none of above |
| Answer» B. applicable for stationary as well as moving objects | |
| 329. |
Tracking multiple interacting targets distributed over a geographical region is significantly more challenging for following reasons |
| A. | curse of dimensionality |
| B. | mapping to distributed platforms |
| C. | mapping to centralised platforms |
| D. | all of above |
| Answer» D. all of above | |
| 330. |
Which of the following is not the requirement of routing function? |
| A. | correctness |
| B. | robustness |
| C. | delay time |
| D. | stability |
| Answer» C. delay time | |
| 331. |
The ……… protocol allows the administrator to assign a cost, called the metric, to each route. |
| A. | ospf |
| B. | rip |
| C. | bgp |
| D. | bbgp |
| Answer» A. ospf | |
| 332. |
If there is only one routing sequence for each source destination pair, the scheme is known as ….. |
| A. | static routing |
| B. | fixed alternative routing |
| C. | standard routing |
| D. | dynamic routing |
| Answer» B. fixed alternative routing | |
| 333. |
An/A ……….routing scheme is designed to enable switches to react to changing traffic patterns on the network. |
| A. | static routing |
| B. | fixed alternative routing |
| C. | standard routing |
| D. | dynamic routing |
| Answer» C. standard routing | |
| 334. |
The Routing Information Protocol (RIP) is an intra domain routing based on ……..routing. |
| A. | distance vector |
| B. | link state |
| C. | path vector |
| D. | distance code |
| Answer» A. distance vector | |
| 335. |
The term …….. Refers to which node or nodes in the network are responsible for the routing decision. |
| A. | decision place |
| B. | routing place |
| C. | node place |
| D. | switching place |
| Answer» A. decision place | |
| 336. |
In ……. routing the least cost route between any two nodes is the minimum distance. |
| A. | path vector |
| B. | distance vector |
| C. | link state |
| D. | switching |
| Answer» B. distance vector | |
| 337. |
For centralized routing the decision is made by some designated node called …… |
| A. | designated center |
| B. | control center |
| C. | network center |
| D. | network control center |
| Answer» D. network control center | |
| 338. |
For purposes of routing, the Internet is divided into ……. |
| A. | wide area networks |
| B. | autonomous networks |
| C. | local area networks |
| D. | autonomous system |
| Answer» D. autonomous system | |
| 339. |
In ………. a route is selected for each destination pair of nodes in the network. |
| A. | flooding |
| B. | variable routing |
| C. | fixed routing |
| D. | random routing |
| Answer» C. fixed routing | |
| 340. |
To create a neighbourhood relationship, a router running BGP sends an ………. message. |
| A. | open |
| B. | update |
| C. | keep alive |
| D. | close |
| Answer» B. update | |
| 341. |
The technique which requires no network information required is …. |
| A. | flooding |
| B. | variable routing |
| C. | fixed routing |
| D. | random routing |
| Answer» A. flooding | |
| 342. |
Which of the following produces high traffic network? |
| A. | variable routing |
| B. | flooding |
| C. | fixed routing |
| D. | random routing |
| Answer» B. flooding | |
| 343. |
When a direct delivery is made, both the deliverer and receiver have the same …. |
| A. | routing table |
| B. | host id |
| C. | ip address |
| D. | net id |
| Answer» D. net id | |
| 344. |
In OSPF, a ……… link is a network with several routers attached to it. |
| A. | point-to-point |
| B. | transient |
| C. | stub |
| D. | multipoint |
| Answer» B. transient | |
| 345. |
In ……. routing, the mask and the destination address are both 0.0.0.0 in routing table. |
| A. | next-hop |
| B. | host-specific |
| C. | network-specific |
| D. | default |
| Answer» D. default | |
| 346. |
In ………. the router forwards the receive packet through only one of its interfaces. |
| A. | unicasting |
| B. | multicasting |
| C. | broadcasting |
| D. | point to point |
| Answer» B. multicasting | |
| 347. |
Battery-driven systems are those systems which are designed taking into consideration mainly _______ ( ) |
| A. | battery and its internal characteristics |
| B. | an electrolyte medium |
| C. | environmental impact |
| D. | none of the above |
| Answer» A. battery and its internal characteristics | |
| 348. |
this is an essential capability for a sensor network in many practical applications |
| A. | localizing of objects |
| B. | tracking moving objects |
| C. | localizing and tracking moving objects |
| D. | either localizing or tracking moving objects |
| Answer» C. localizing and tracking moving objects | |
| 349. |
The position estimation may be accomplished by |
| A. | triangulation computation |
| B. | least square computation |
| C. | triangulation and least square computation both |
| D. | none of above |
| Answer» C. triangulation and least square computation both | |
| 350. |
To uniquely determine the location on a two-dimensional plane, one needs alleast ___________independent distance measurements |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» C. three | |
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