Computer Network Fundamental

Which of the following is NOT a part of communication principle in networking ?

• Source

• Antena

• Channel

• Destination

____________ is technology that has been used to modify analog signals to make them

suitable for carrying data over a communication path.

• Controller

• Modem

• Data Modulation

• Bandwidth

Which statement is TRUE about open authentication when it is enabled on an access point?

• It requires no authentication

• It uses a 64-bit encryption algorithm

• It requires the use of an authentication server

• It requires a mutually agreed upon password

Which of the following is TRUE about brute force attacks?

• A flood of packets are sent to a server requesting a client’s connection.

• Additional advertising windows that are displayed when visiting a website.

• A high speed computer is used to try guessing the passwords or to decipher an encryption

  code.

• It is used to collect data about user based on the guest sites for advertising target.

Choose the BEST network technology for area of the network would a college IT staff most

likely have to redesign as a direct result of many students bringing their own tablets and

smartphones to school to access school resources.

• intranet

• extranet

• wired LAN

• wireless LAN

Identify the meaning of “Computer Network”?

• A collection of computers and other hardware components interconnected by communication channels that allow sharing of resources and information

• Self-sufficient system. There is no connection to any other computer.

• A collection of networked computers that reside within a small physical region.

• Connection at multiple networks which are located in different locations in the city. The communication links generally owned by a network service provider.

Which of the following is an example of a LAN?

• Ten buildings interconnected by Ethernet connections over fiber-optic cabling

• Ten routers interconnected by frame-relay circuits 

• Two routers interconnected with a T1 circuit 

• A computer connected to another computer so they can share resources 

File server is a server that provides file services. State the primary function of a file server on a network.

• It routes traffic between two or more LAN 

• It monitors how many users are logged on to a WAN 

• It prevents unauthorized remote users from connecting to a LAN 

• It manages access and use of shared applications and data.

Select a network device that has multiple ports to connect multiple computers?

• routers

• switch

• repeater

• host

Which are the functions of Network Interface Card (NIC)?

• A connection point, either a redistribution point or a communication endpoint (some terminal equipment)

• The software that runs on a server enables the server to manage data, users groups, security, applications, and other networking functions.

• A computer hardware component that connects computer to a computer network.

• To transform a set of Unicode characters into a sequence of bytes.