Network interview questions – page 6

The cheapest modems can transmit

1. 300 bits per second
2. 1,200 bits per second
3. 2,400 bits per second
4. None of these

Which of the following protocol is used for remote terminal connection service?

1. RARP
2. UDP
3. FTP
4. TELNET

Which of the following terms is just the collection of networks that can be joined together?

1. Intranet
2. Extranet
3. Internet
4. LAN

Computers connected to a LAN (Local Area Network) can

1. Share information and/or share peripheral equipment
2. E-mail
3. Go on line
4. Run faster

The data rate of the ISDN basic access B channel is

1. 32 Kbps
2. 64 Kbps
3. 144 Kbps
4. 192 Kbps

Null modems are type of

1. Modem
2. Modem eliminator
3. Protocol converter
4. Multiplexer

The geostationary satellite used for communications systems

1. is positioned over equator
2. remains stationery relative to the earth
3. rotates with the earth
4. all of these

A software that allows a personal computer to pretend it, as a terminal is

1. Terminal emulation
2. Modem
3. Bulletin board
4. Auto-dialing

What frequency range is used for TV transmission and low power microwave applications?

1. Very low frequency : 3 kHz to 30 kHz
2. Medium frequency : 300 kHz to 3 MHz
3. Super high frequency : 3000 MHz to 30000 MHz
4. Ultra high frequency : 300 MHz to 3000 MHz

Which of the following techniques is used for Time-To-Line (TTL)?

1. A technique used to best-effort delivery systems to avoid endlessly looping packets.
2. A technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the law level frame.
3. One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size.
4. All of these

The most common input device used today is

1. Motherboard
2. Scanner
3. Keyboard
4. Mouse