MCQ_UNIT 1

SECTION

What is a computer network?

• A device used to display information on a computer screen
• A collection of interconnected computers and devices that can communicate and share resources
• A type of software used to create documents and presentations
• The physical casing that protects a computer’s internal components

The protocol data unit (PDU) for the application layer in the Internet stack is

• Segment
• Datagram
• Message
• Frame

In networking, UTP stands for

• Unshielded T-connector port
• Unshielded twisted pair
• Unshielded terminating pair
• Unshielded transmission process

Which type of topology is best suited for large businesses which must carefully control and coordinate the operation of distributed branch outlets?

• Ring
• Local area
• Hierarchical
• Star

What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences?

• Unshielded twisted pair
• Optical fiber
• Coaxial cable
• Microwave

Consider the following: 1.Twisted pair cables 2. Microwaves and Satellite Signals 3. Repeaters Analog 4. Transmissions 5. Fiber optics Which of the above is consider as (a) signal transmission medium is data communications?

• (1) and (5)
• (1) and (2)
• (1) (2) and (5)
• (1) (2) (3) and (5)

The term IANA stands for?

• Internet Assigned Numbers Authority
• Internal Assigned Numbers Authority
• Internet Associative Numbers Authoritative
• Internal Associative Numbers Authority

Which of the following is true with regard to the ping command?

• Ping stands for Packet Internet Generator.
• The ping command checks the port level connectivity between source destinations end points.
• Ping summarizes the packet loss and round-trip delay between two IP end points.
• The ping command activates the RARP protocol of the IP layer.

Which of the following switch methods creates a point-to-point physical connection between two or more computers?

• Message switching
• Packet switching
• Circuit switching
• None of the these