Questions
_________________ is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission.
- Decibel(dB)
- Distortion
- Noise
- Attenuation
- None of these
Which of the following TCP/IP protocol is used for file transfer with minimal capacity and minimal overhead?
- RARP (Reverse Address Resolution Protocol)
- FTP (File Transfer Protocol)
- SNMP (Simple Network Management Protocol)
- TFTP (Trivial File Transfer Protocol)
- TELNET
172.16.122.204 IP address belongs to which IP addresses class?
- Class B
- Class A
- Class E
- Class C
- Class D
Which IP address class is designed for multicast groups?
- Class B
- Class D
- Class A
- Class E
- Class C
The VLF and LF bauds use _____________ propagation for communication.
- ground
- sky
- line of sight
- space
- None of these
In ____________________ substitution, a character in the plain text is always changed to the same character in the cipher text, regardless of its position in the text.
- polyalphabetic
- monoalphabetic
- transposition
- rotation
- None of these
Encryption and decryption is the responsibility of the __________________ layer.
- network
- presentation
- physical
- data link
- application
Which of the following TCP/IP protocols is used for remote terminal connection service?
- UDP
- FTP
- TELNET
- RARP (Reverse Address Resolution Protocol)
- None of these
Which of the following allow(s) devices on one network to communicate with devices on another network?
- Multiplexer
- TELNET
- T-switch
- Aloha
- None of these
The modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as
- Amplitude Shift Key (ASK)
- amplitude
- aloha
- attenuation
- amplitude modulation
Error detection at the data link level is achieved by
- bit stuffing
- hamming codes
- CRC (Cyclic Redundancy Check)
- distortion
- None of these
Which of the following network access standards is used for connecting stations to a circuit-switched network?
- X.25
- X.75
- X.21
- X.69
- None of these
10BASE2 uses ____________ cable while, 10BASE5 uses _____________.
- thick coaxial, thin coaxial
- thin coaxial, thick coaxial
- twisted pair, thick coaxial
- fibre optic, thin coaxial
- None of these
Match the following:
| List - I |
</strong>|<strong>List - II</strong>|
|(a) Physical Layer|(1) Allow resource to network access|
|(b) Data Link Layer|(2) Move packet from one destination to other|
|(c) Network layer|(3) Process to process message delivery|
|(d) Transport Layer|(4) Transmission of bit stream|
|(e) Application Layer|(5) Formation of frames|
- (a) - (4), (b) - (5), (c) - (2), (d) - (3), (e) - (1)
- (a) - (5), (b) - (4), (c) - (1), (d) - (2), (e) - (3)
- (a) - (1), (b) - (3), (c) - (2), (d) - (5), (e) - (4)
- (a) - (1), (b) - (2), (c) - (4), (d) - (3), (e) - (5)
- (a) - (2), (b) - (1), (c) - (5), (d) - (3), (e) - (1)