Questions
Which of the following digits are known as the area code of the Network User Address (NUA)?
- First four digits
- 8-12 digits
- 5-7 digits
- 13-14 digits
- None of these
Which of the following layer protocols are responsible for user and the application program support such as passwords, resource sharing, file transfer and network management?
- Layer 7 protocols
- Layer 1 protocols
- Layer 3 protocols
- Layer 6 protocols
- Layer 2 protocols
Which of the following protocols is a very common bit oriented data link protocol issued by IOS?
- RARP (Reverse Address Resolution Protocol)
- FTP(File Transfer Protocol)
- SNMP(Simple Network Management Protocol)
- TFTP(Trivial File Transfer Protocol )
- HDLC(High Level Data Link Control)
How many digits of the DNIC (Data Network Identification Code) identify the country?
- First five
- First four
- First three
- First two
- None of these
A medium access control technique for multiple access transmission media is
- amplitude Shift Key(ASK)
- amplitude
- aloha
- attenuation
- amplitude modulation
A continuous frequency, capable of being modulated or impressed with a second signal, is called
- Common Gateway Interface(CGI)
- Carrier
- ColdFusion
- Cladding
- Collision
What frequency range is used for FM radio transmission?
- 30 MHz to 300 MHz
- 300 KHz to 3 MHz
- 300 MHz to 3 GHz
- 30 GHz to 300 GHz
- 3 MHz to 30 MHz
Frame relay operates in the
- physical layer
- data link layer
- physical layer and data link layer
- network layer
- physical layer, data link layer and network layer
Which network standard is used for connecting stations to a packet-switched network?
- X.25
- X.75
- X.21
- X.69
- None of these
Which of the following TCP/IP internet protocols diskless machine is used to obtain its IP address from a server?
- RARP (Reverse Address Resolution Protocol)
- RIP (Routing Information Protocol)
- RPB (Reverse Path Broadcasting)
- SMTP (Simple Mail Transfer Protocol)
- RTP (Real-time Transport Protocol)
Which of the following protocols is used for performing RPCs between applications in a language and system independent way?
- SNMP (Simple Network Management Protocol)
- SMTP (Simple Mail Transfer Protocol)
- HTTP (Hyper Text Transfer Protocol)
- SOAP (Simple Object Access Protocol)
- TFTP (Trivial File Transfer Protocol)
The technique of temporarily delaying outgoing acknowledgements, so that they can be hooked onto the next outgoing data frame, is known as
- bit stuffing
- piggy backing
- broadcasting
- pipelining
- None of these
Which of the following methods is used for a dedicated communication path between two devices through one or more intermediate switching nodes?
- Packet switching
- Circuit switching
- Message switching
- Banyan switch
- None of these
A technique in which an analog signal is sampled; the result is a series of pulses based on the sampled data is called
- Pulse amplitude modulation (PAM)
- Pulse code modulation (PCM)
- Pulse stuffing
- Pruning
- Quantization
In data communication, ATM is an acronym for
- automatic teller machine
- automatic transmission model
- asynchronous telecommunication method
- asynchronous transfer mode
- None of these
Match the following protocols with layers of OSI in which they are used:
| List - I |
</strong>|<strong>List - II</strong>|
|a. Application Layer|1. TCP|
|b. Transport Layer|2. HDLC|
|c. Network layer|3. HTTP|
|d. Data Link Layer|4. BGP|
- a - 2, b - 1, c - 4, d - 3
- a - 3, b - 4, c - 1, d - 2
- a - 3, b - 1, c - 4, d - 2
- a - 2, b - 4, c - 1, d - 3
- a - 2, b - 3, c - 1, d - 4
An error detecting code, inserted as a field in a block of data to be transmitted, is known as
- frame check sequence
- checksum
- flow control
- frame bursting
- fourier analysis
An access method, when two or more stations attempt to use the same channel at the same time, is called
- Contention
- Carrier
- ColdFusion
- Decibel(dB)
- Distortion
Which of the following digits are known as the sub-address digits (for use by the user) of the Network User Address (NAU)?
- First four digits
- 5-7 digits
- 8-12 digits
- 13-14 digits
- None of these
A form of modulation in which the amplitude of a carrier wave is varied in accordance with some characteristic of the modulating signal is known as
- Attenuation
- Amplitude modulation
- Modem
- Multiplexer
- Distortion