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.
| 1. |
The operation of ____________ is based on signals which are multiplexed and added in time domain but they occupy different slots in frequency domain |
| A. | fdm |
| B. | tdm |
| C. | wdm |
| D. | mdm |
| Answer» B. tdm | |
| 2. |
which of the following is not Guided transmission media |
| A. | twisted pair cables |
| B. | co-axial cables |
| C. | infrared |
| D. | fibre optics |
| Answer» D. fibre optics | |
| 3. |
____________ media is a communication medium which allows the data to get guided along it. |
| A. | transparent |
| B. | cable |
| C. | guided |
| D. | glass |
| Answer» D. glass | |
| 4. |
Presentation doesn’t perform ________ function |
| A. | translation |
| B. | transmission |
| C. | encryption |
| D. | compression |
| Answer» C. encryption | |
| 5. |
A field in header is used to specify the number of characters in the frame. |
| A. | start bit |
| B. | character count |
| C. | end bit |
| D. | character stuffing |
| Answer» C. end bit | |
| 6. |
Below layers are not present in TCP/IP layer. |
| A. | application |
| B. | presentation |
| C. | transport |
| D. | network |
| Answer» C. transport | |
| 7. |
The data bit to be transmitted are broken into discrete __________ at the data link layer. |
| A. | frame |
| B. | stuff |
| C. | character |
| D. | data |
| Answer» B. stuff | |
| 8. |
A standard mechanism provided by internet which helps in copying a file from one host to another is known as ________. |
| A. | smtp |
| B. | dns server |
| C. | telnet |
| D. | ftp |
| Answer» E. | |
| 9. |
Which one of the below is not an component of Internet mail system |
| A. | user agent |
| B. | smtp sender |
| C. | smtp receiver |
| D. | transfer agent |
| Answer» E. | |
| 10. |
The ____ field determines the lifetime of IPv6 datagram |
| A. | hop limit |
| B. | ttl |
| C. | next header |
| D. | none of the mentioned |
| Answer» B. ttl | |
| 11. |
These are the features present in IPv4 but not in IPv6. |
| A. | fragmentation |
| B. | header checksum |
| C. | options |
| D. | all of the mentioned |
| Answer» E. | |
| 12. |
IPv6 doesnot use ______ type of address |
| A. | broadcast |
| B. | multicast |
| C. | anycast |
| D. | none of the mentioned |
| Answer» B. multicast | |
| 13. |
The header length of an IPv6 datagram is _____. |
| A. | 10bytes |
| B. | 25bytes |
| C. | 30bytes |
| D. | 40bytes |
| Answer» E. | |
| 14. |
In the IPv6 header,the traffic class field is similar to which field in the IPv4 header? |
| A. | fragmentation field |
| B. | fast-switching |
| C. | tos field |
| D. | option field |
| Answer» D. option field | |
| 15. |
Fragmentation has following demerits |
| A. | complicates routers |
| B. | open to dos attack |
| C. | overlapping of fragments. |
| D. | all of the mentioned |
| Answer» E. | |
| 16. |
The data field can carry which of the following? |
| A. | tcp segemnt |
| B. | udp segment |
| C. | icmp messages |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 17. |
The conditional GET mechanism |
| A. | imposes conditions on the objects to be requested |
| B. | limits the number of response from a server |
| C. | helps to keep a cache upto date |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 18. |
As the resouces are reserved between two communicating end systems in circuit switching, this is achieved |
| A. | authentication |
| B. | guaranteed constant rate |
| C. | reliability |
| D. | store and forward |
| Answer» C. reliability | |
| 19. |
The resources needed for communication between end systems are reserved for the duration of session between end systems in ________ |
| A. | packet switching |
| B. | circuit switching |
| C. | line switching |
| D. | frequency switching |
| Answer» C. line switching | |
| 20. |
Method(s) to move data through a network of links and switches |
| A. | packet switching |
| B. | circuit switching |
| C. | line switching |
| D. | both a and b |
| Answer» E. | |
| 21. |
Expand WAN |
| A. | world area network |
| B. | wide area network |
| C. | web area network |
| D. | none of the mentioned |
| Answer» C. web area network | |
| 22. |
This topology requires multipoint connection |
| A. | star |
| B. | mesh |
| C. | ring |
| D. | bus |
| Answer» E. | |
| 23. |
In this topology there is a central controller or hub |
| A. | star |
| B. | mesh |
| C. | ring |
| D. | bus |
| Answer» B. mesh | |
| 24. |
Multiplexing technique that shifts each signal to a different carrier frequency |
| A. | fdm |
| B. | tdm |
| C. | either a or b |
| D. | both a and b |
| Answer» B. tdm | |
| 25. |
Multiplexing can provide |
| A. | efficiency |
| B. | privacy |
| C. | anti jamming |
| D. | both a and b |
| Answer» E. | |
| 26. |
The state when dedicated signals are idle are called |
| A. | death period |
| B. | poison period |
| C. | silent period |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 27. |
Which multiplexing technique transmits digital signals ? |
| A. | fdm |
| B. | tdm |
| C. | wdm |
| D. | none of the mentioned |
| Answer» C. wdm | |
| 28. |
The sharing of a medium and its link by two or more devices is called _______ |
| A. | fully duplexing |
| B. | multiplexing |
| C. | both a and b |
| D. | none of the mentioned |
| Answer» C. both a and b | |
| 29. |
ONT is connected to splitter using |
| A. | high speed fibre cable |
| B. | hfc |
| C. | optical cable |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 30. |
Home Access is provided by |
| A. | dsl |
| B. | fttp |
| C. | cable |
| D. | all of the mentioned |
| Answer» E. | |
| 31. |
StarBand provides |
| A. | ftth internet access |
| B. | cable access |
| C. | telephone access |
| D. | satellite access |
| Answer» E. | |
| 32. |
Among the optical-distribution architectures that is essentially switched ehternet is |
| A. | aon |
| B. | pon |
| C. | non |
| D. | none of the mentioned |
| Answer» B. pon | |
| 33. |
Choose the statement which is not applicable for cable internet access |
| A. | it is a shared broadcast medium |
| B. | it includes hfcs |
| C. | cable modem connects home pc to ethernet port |
| D. | analog signal is converted to digital signal in dslam |
| Answer» E. | |
| 34. |
HFC contains |
| A. | fibre cable |
| B. | coaxial cable |
| C. | both of the mentioned |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 35. |
The following term is not associted with DSL |
| A. | dslam |
| B. | co |
| C. | splitter |
| D. | cmts |
| Answer» E. | |
| 36. |
The function of DSLAM is |
| A. | convert analog signals into digital signals |
| B. | convert digital signals into analog signals |
| C. | amplify digital signals |
| D. | none of the mentioned |
| Answer» B. convert digital signals into analog signals | |
| 37. |
Ethernet frame consists of |
| A. | mac address |
| B. | ip address |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» B. ip address | |
| 38. |
In which mode FTP, the client initiates both the control and data connections. |
| A. | active mode |
| B. | passive mode |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» C. both (a) and (b) | |
| 39. |
In FTP protocol, client contacts server using ____ as the transport protocol. |
| A. | transmission control protocol |
| B. | user datagram protocol |
| C. | datagram congestion control protocol |
| D. | stream control transmission protocol |
| Answer» B. user datagram protocol | |
| 40. |
In HTTP pipelining |
| A. | multiple http requests are sent on a single tcp connection without waiting for the corresponding responses |
| B. | multiple http requests can not be sent on a single tcp connection |
| C. | multiple http requests are sent in a queue on a single tcp connection |
| D. | none of the mentioned |
| Answer» B. multiple http requests can not be sent on a single tcp connection | |
| 41. |
HTTP client requests by establishing a __________ connection to a particular port on the server. |
| A. | user datagram protocol |
| B. | transmission control protocol |
| C. | broader gateway protocol |
| D. | none of the mentioned |
| Answer» C. broader gateway protocol | |
| 42. |
Multiple object can be sent over a TCP connection between client and server in |
| A. | persistent http |
| B. | nonpersistent http |
| C. | both (a) and (b) |
| D. | none of the mentioned |
| Answer» B. nonpersistent http | |
| 43. |
An alternative of javascript on windows platform is |
| A. | vbscript |
| B. | asp.net |
| C. | jsp |
| D. | none of the mentioned |
| Answer» B. asp.net | |
| 44. |
A web cookie is a small piece of data |
| A. | sent from a website and stored in user’s web browser while a user is browsing a website |
| B. | sent from user and stored in the server while a user is browsing a website |
| C. | sent from root server to all servers |
| D. | none of the mentioned |
| Answer» B. sent from user and stored in the server while a user is browsing a website | |
| 45. |
If we want that a character be interpreted by the client instead of server |
| A. | escape character has to be used |
| B. | control functions has to be disabled |
| C. | it is not possible |
| D. | none of the mentioned |
| Answer» B. control functions has to be disabled | |
| 46. |
The decimal code of interpret as command (IAC) character is |
| A. | 252 |
| B. | 253 |
| C. | 254 |
| D. | 255 |
| Answer» E. | |
| 47. |
AbsoluteTelnet is a telnet client for |
| A. | windows |
| B. | linux |
| C. | mac |
| D. | none of the mentioned |
| Answer» B. linux | |
| 48. |
Telnet protocol is used to establish a connection to |
| A. | tcp port number 21 |
| B. | tcp port number 22 |
| C. | tcp port number 23 |
| D. | tcp port number 24 |
| Answer» D. tcp port number 24 | |
| 49. |
The entire hostname has a maximum of |
| A. | 255 characters |
| B. | 127 characters |
| C. | 63 characters |
| D. | 31 characters |
| Answer» B. 127 characters | |
| 50. |
When displaying a web page, the application layer uses the |
| A. | http protocol |
| B. | ftp protocol |
| C. | smtp protocol |
| D. | none of the mentioned |
| Answer» B. ftp protocol | |