Network interview questions

<B> and </B> tags display the enclosed text in

1. Italics
2. Center
3. Bold
4. Underlining

______ lists can be created, using <OL> and </OL> tags.

1. Definition
2. Ordered
3. Unordered
4. All

Several networks, small and big all over the world, are connected together to form a Global network called the

1. Network
2. Internet
3. Intranet
4. Both a and b

Most of the monitors have 4 : 3 width to height ration. This is called

1. Display ratio
2. Micro ratio
3. Aspect ratio
4. Monitor ratio

Memory cycle time refers to the minimum period between _____ requests.

1. One by one
2. Two successive
3. Step by step
4. All

Intranet connecting selected customers, suppliers and offices in addition to the internal personnel is called

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

Using the _____ along with speech recognition software can offer a completely new approach to input information into the computer.

1. Microphone
2. Micromike
3. Micropen
4. Microstick

Local Area Network that allows their computers to share files, data, printers and other resources are called

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

Magnetic reader is an input device which reads a magnetic _____ on a card.

1. Letter
2. Strip
3. Dot
4. Line

Sometimes a web page may take longer time or may not load properly. Clicking on the refresh button, helps _____ the page faster.

1. Reload
2. Home
3. Back
4. Forward

The software which will convert the text into HTML code automatically is

1. SGML
2. Notepad
3. Netscape Navigator
4. Front page

A machine that connects two or more electronic mail systems and transfer mail messages among

1. Bridges
2. User agent
3. Gateways
4. Mail gateway

What frequency range is used for micro-waves communication, satellite and radar?

1. Extremely high frequency : 30,000 MHz
2. Super high frequency : 3000 MHz to 30000 MHz
3. Medium frequency : 300 kHz to 3 MHz
4. Low frequency : 30 kHz to 300 kHz

The physical layer of a network

1. Constructs packets of data and sends them across the network
2. Controls error detection and correction
3. Defines the electrical characteristics of signals passed between the computer and communication devices
4. None of these

Different computers are connected to a LAN by a cable and

1. Telephone lines
2. Special wires
3. Interface card
4. Modem

Fibre optics have maximum segment

1. 100m
2. 200m
3. 500m
4. 2000m

The application layer of a network

1. consists of software being run on the computer connected to the network
2. Establishes, maintain and terminates virtual circuits
3. Defines user’s port into the network
4. None of these

The residual error rate is the

1. Probability that one or more errors will be detected when an error detection mechanism is used
2. Signal to noise ratio divided by the ratio of energy per bit to noise per hertz
3. Number of bit errors per twenty four hours of continuous operation on an asynchronous line
4. Probability that one or more errors will be undetected when an error detection scheme is used

Which of the following protocol allows an application program on one machine to send a datagram to an application program on another machine?

1. SMTP
2. VMTP
3. X.25
4. UDP

If a class B network on the internet has a subnet mask of 255.255.248.0, what is the maximum number of hosts per subnet?

1. 2046
2. 2047
3. 1022
4. 1023

HTML (Hyper Text Markup Language) has language elements which permit certain actions other than describing the structure of the web document. Which one of the following actions is NOT supported by pure HTML (without any server or client side scripting) pages?

1. Display the client time as part of the page
2. Automatically redirect to another page upon download
3. Refresh the page automatically after a specified interval
4. Embed web objects from different sites into the same page

An example of a protocol converter counter value is

1. ACK/NAK count
2. ACK/NAK delay
3. Bit delay
4. Data rate

In X.25 network layer protocol, the data packets normally contain

1. One octet of header plus data
2. Two octets of header plus data
3. Three octets of header plus data
4. Four octets of header plus data

How does packet Burst affect network performance?

1. It helps in secure communication
2. It helps in error control
3. It increases network bandwidth
4. It increases speed at which packets are distributed

The main purpose of a data link content monitor is to

1. Detect problems in protocols
2. Measure bit error rates
3. Determine the type of transmission used in a data link
4. Determine the type of switching used in a data link

Which of the following protocol a diskless machine uses to obtain its IP address from a server?

1. RARP
2. RIP
3. RDP
4. X.25

The OSPF protocol

1. has the ability to discover a network’s specific topology
2. is a link-state route discovery protocol
3. provides better performance than RIP in large internet-works
4. all of these

Which backup procedure is the least time consuming?

1. Weekly full backup and daily incremental backup
2. Daily full backup and weekly differential backup
3. Weekly full backup and daily differential backup
4. Daily full backup and daily weekly incremental backup

Which of the following functionalities must be implemented by a transport protocol over and above the network protocol?

1. End to end connectivity
2. Packet delivery in the correct order
3. Detection of duplicate packets
4. Recovery from packet losses

An organization has a class B network and wishes to form subnets for 64 departments. The subnet mask would be

1. 255.255.252.0
2. 255.255.128.0
3. 255.255.64.0
4. 255.255.0.0