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Describe role of protocols in network communications

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Reference no: EM13742788

1. Network administrators and support personnel commonly use the _ utility to verify connectivity between two network end points.

A. Path

B. Transport

C. Ping

D. SYN

2. A _ spans multiple geographic areas and is usually connected by common telecommunication carriers.

A. WAN

B. LAN

C. MAN

D. SAN

3. Network administrators typically configure a router directly through the port known as the port located on the back of the router.

A. console

B. Aux

C. Serial

D. Fast Ethernet

4. A _ is an intermediary device that operates at layer 3 of the OSI reference model. It interprets the Network layer protocol and moves packets based on the layer 3 addresses.

A. Personal Computer

B. Switch

C. Hub

D. Router

5. The OSI model layer defines transmission of light over a fiber optic cable.

A. Transport

B. Physical

C. Data Link

D. Network

6. Which term below is used to prioritize traffic in network systems?

A. Fault-tolerance

B. QoS

C. Security

D. Scalability

7. Which answer below describes a converged network?

A. One Local Area Network connected to another

B. One Wide Area Network connected to another

C. A network that is currently out of service

D. A network that can carry many different types of traffic

8. A (n) _ address identifies both a network and a host, so you can route communications through large networks, including the Internet.

A. Port

B. ARP

C. IP

D. MAC

9. A ___ is contained within one company or department and located in a single geographic area, usually a campus, building or part of a building.

A. SAN

B. MAN

C. WAN

D. LAN

10.   Which layer has both a header and trailer used in its encapsulation?

A. Presentation

B. Internet

C. Network Access

D. Physical

11.   Which one of the following pieces of equipment is not an end device in a network environment?

A. IP Phone

B. Router

C. Personal Computer

D. Server

12.   In _ communications, devices can send or receive signals, but not both at the same time.

A. half-duplex

B. full-duplex

C. duplex

D. wire-duplex

13.   Which of the following terms is another name for a physical numeric address?

A. IP address

B. MAC layer address

C. PROM address

D. Port address

14.   The PDU at the nehwork access layer is called a(n)

A. Segment

B. Datapack

C. Frame

D. Packet

15.   Which is the user prompt or enable prompt below:

A. Route r>

B. Routerff

C. Router(Config)ff

D. Router(£nable)>

16. How do you saw changes to the configuration file?

A. Copy run start

B. Copy start run

C. Copy flash start

D. Copy run nwam

17. In TCP/IP the Network Access includes the following OSt layers.

A. Network and Data Link

B. Network and Transport

C. Data Link and Physical

D. Session and Transport

18. After creating data with a software application, the first step of Data Encapsulation is?

A. Frame Headers and trailers added

B. Bit Transmission

C. Segmentation

D. Packet creation and network header

19. What command do you use to enter global configuration mode?

A. global conf

B. term global conf

C. con f global

D. configure terminal

20. Which of the following describes the OS[ Physical Layer?

A. Handles Link control and uses the MAC address on the NIC

B. Translates, encrypts or prepares data from the Application Layer for network transmission

C. Provides the electrical transmission of data

D. Establishes, maintains and manages sessions between applications

21.  For the OSI network model list all 7 layers of the QSI model in order from top to bottom.

22. Complete the table below for the 4 layers of the TCP/IP model. The 1st layer is done for you. 

TCP/IP Layer Name

PDU TYPE

AODRESStNG USED

 

Application

Data

None

 

 

 

 

 

 

 

 

 

23. Name 3 main components of any modern day network.

24. Describe the role of protocols In network communications.

Reference no: EM13742788

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