Network interview questions – page 2

Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undetected error?

1. Two bits or any even number of bits inverted in a byte during transmission
2. One bit or any odd number of bits inverted in a byte during transmission
3. Two bits or any even number of bits inverted in a block during transmission
4. One bit or any odd number of bits inverted in a block of data during transmission

The network operating system that does not support symmetric multi-processing (SMP) is

1. Banyan (VINES)
2. Novell network 3.X
3. SCO unix
4. Microsoft NT advanced server

A networks that requires human intervention to route signals is called

1. Star networks
2. Ring networks
3. T-switched networks
4. Bus networks

Communications software package enable users to access services such as

1. Electronic mail
2. Electronic bulletin boards
3. Video channels
4. Both (a) and (b)

What frequency range is used for micro-wave communications, 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

Which of the following has the smallest default maximum physical receive packet size?

1. Token Ring [4 Mbps]
2. Token Ring [16 Mbps]
3. ARC net
4. Ethernet

Which of the following assertions is FALSE about the Internet protocol (IP)?

1. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way
2. IP ensures that a packet is discarded if it is unable to reach its destination within a given number of hops
3. IP packets from the same source to the same destination can take different routes in the network
4. It is possible for a computer to have multiple IP addresses

One of the header fields in an IP datagram is the Time-to-live (TTL) field. Which of the following statements best explains the need for this field?

1. It can be used to prevent packet looping
2. It can be used to optimize throughput
3. It can be used to reduce delays
4. It can be used to prioritize packets

Which of the following is not relevant to networking?

1. Bus hubs
2. Mesh network
3. Stackable hubs
4. Low-end stand alone hubs

____ is a combination of hardware and software which provides the facility of exchanging information between the computing devices.

1. Peripheral
2. Modem
3. Network
4. RAM

Office LANs that are spread geographically apart on a large scale can be connected using a corporate.

1. LAN
2. MAN
3. WAN
4. DAN

LANs can be connected by devices called which operate on the data link layer.

1. HDLC
2. Hub
3. Tunnel
4. Bridges

This device is used to connect your computer with a telephone line, so that you can access information from other servers. It is known as

1. Set top box
2. LAN card
3. UPS
4. Modem

The information to be communicated in a data communication system is known as

1. Medium
2. Transmission
3. Message
4. Protocol

P2P stands for

1. Pair to Pair
2. Past to Past
3. Peer to Peek
4. Peer to Peer

What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?

1. Application
2. Internet
3. Host to Host
4. Network Access

In a client/server network, the user’s computer is considered the

1. Hoster
2. Server
3. Website
4. Client

Which layer 4 protocol is used for a Telnet connection?

1. IP
2. TCP
3. UDP
4. TCP/IP

The internet control message protocol (ICMP)

1. Only reports error conditions to the original source, the source must relate error to individual application programs and take action to correct the problem
2. Provides communication between the Internet protocol software on one machine and the internet protocol software on another
3. Allows gateways to send error a control messages to other gateways or hosts
4. All of these

A combination of hardware and software, which provides facilities of sending and receiving of information between computer devices.

1. Peripheral
2. Expansion slot
3. Server
4. Network

A _____ is a system to digital message formats and rules for exchanging those messages in or between computing systems and in telecommunications.

1. Communication Protocol
2. Modem
3. DNS
4. Router

Which multiplexing technique can transmits analog signals?

1. FDM
2. Synchronous TOM
3. Asynchronous TOM
4. Both a and b

Front end processor is a ____ designed specifically to handle the communication processing task.

1. ALU
2. CPU
3. Control unit
4. Register

A ____ is a collection of computers and device connected together.

1. Memory card
2. CPU
3. Protocol
4. Network

Which layer of OSI determines the interface of the system with the user?

1. Data Link
2. Session
3. Application
4. Network

Abacus was first of all used by the country

1. USA
2. Japan
3. China
4. France

To create a ___ , personal computers can connected together.

1. Enterprise
2. Super computer
3. Network
4. Server

A router operates in which layer of the OSI model?

1. Network layer
2. Physical layer
3. Data link layer
4. All of these

A communication processor that connects dissimilar networks by providing the translation from one set of protocols to another is

1. Modem
2. Router
3. Bridge
4. Gateway

A ____ is a standard set of rules that determines how computers communicate with each other across networks.

1. Protomol
2. Protochol
3. Protocool
4. Protocol