Author: Neftaly Malatjie

  • 114061 Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s)

    This workbook belongs to you.  It is designed to serve as a guide for the duration of your training programme.    It contains readings, activities, and application aids that will assist you in developing the knowledge and skills stipulated in the specific outcomes and assessment criteria.  Follow along in the guide as the facilitator takes you through the material, and feel free to make notes and diagrams that will help you to clarify or retain information.  Jot down things that work well or ideas that come from the group.  Also, note any points you would like to explore further.  Participate actively in the skill practice activities, as they will give you an opportunity to gain insights from other people’s experiences and to practice the skills.  Do not forget to share your own experiences so that others can learn from you too. 

    ICONS

  • 114061 PROGRAMME ALIGNMENT – 114061

    1 UNIT STANDARD

    PROGRAMME ALIGNMENT – 114061

    SO – Specific Outcomes

     AC – Assessment Criteria

     

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    114061

    NQF LEVEL 5

      5 CREDITS

    1.

    SO’S

    AC’S

    MANUAL NAME

    UNIT/CHAPTER

    TOPIC

    PAGE

    Explain wide area computer networks (WAN`s). 

     S O 1

     

    AC 1

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    1

     Understanding WAN

    9

     

    AC 2

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    1

    Understanding WAN

    11

     

    AC 3

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    1

    Understanding WAN

    12

     

    AC 4

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    1

    Understanding WAN

    16

     

    AC 5

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    1

    Understanding WAN

    18

     

     

     

    2.

    SO’S

    AC’S

    MANUAL

    UNIT/CHAPTER

    TOPIC

    PAGE

    Evaluate a wide area computer network (WAN).  

    S O 2

     

    AC 1

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    2

    Evaluating WAN

    22

     

    AC 2

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    2

    Evaluating WAN

    24

     

    AC 3

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    2

    Evaluating WAN

    29

     

    AC 4

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    2

    Evaluating WAN. 

    29

     

    AC 5

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    2

    Evaluating WAN

    29

    3.

    SO’S

    AC’S

    MANUAL

    UNIT/CHAPTER

    TOPIC

    PAGE

    Explain Network Administration

    S O 3

     

     

     

    AC 1

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    3

    WAN network administration

    31

     

    AC 2

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    3

    WAN network administration

    36

     

    AC 3

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    3

    WAN network administration

    42

     

    AC 4

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    3

    WAN network administration

    47

     

    AC 5

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    3

    WAN network administration

    51

     

    Specific Outcomes (Practical Competency, Skills) (SO)

    Implies the ability to apply acquired knowledge practically in the workplace to achieve a related task. An observation checklist relating to the set assessment criteria are used to assess the learner’s achievement of the specific outcomes.

    Assessment Criteria (AC)

    The criteria against which the achievement of the specific outcomes of a unit standard are measured. Assessment criteria are normally set for specific outcomes only, with essential embedded knowledge implied in the assessment criteria.

     

     

    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.

    SOUTH AFRICAN QUALIFICATIONS AUTHORITY 

    REGISTERED UNIT STANDARD: 

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    SAQA US ID

    UNIT STANDARD TITLE

    114061 

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    ORIGINATOR

    SGB Information Systems and Technology 

    PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY

    –  

    FIELD

    SUBFIELD

    Field 10 – Physical, Mathematical, Computer and Life Sciences

    Information Technology and Computer Sciences 

    ABET BAND

    UNIT STANDARD TYPE

    PRE-2009 NQF LEVEL

    NQF LEVEL

    CREDITS

    Undefined 

    Regular 

    Level 5 

    Level TBA: Pre-2009 was L5 

    5 

    REGISTRATION STATUS

    REGISTRATION START DATE

    REGISTRATION END DATE

    SAQA DECISION NUMBER

    Reregistered 

    2015-07-01 

    2018-06-30 

    SAQA 10105/14 

    LAST DATE FOR ENROLMENT

    LAST DATE FOR ACHIEVEMENT

    2019-06-30  

    2022-06-30  

    In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

    This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

    PURPOSE OF THE UNIT STANDARD 

    This unit standard is intended

    ·  To provide fundamental knowledge of the areas covered

    ·  For those entering the workplace in the area of Data Communications & Networking.

    ·  As additional knowledge for those wanting to understand the areas covered. 

    People credited with this unit standard are able to:

    ·  Explain wide area computer networks (WAN`s)

    ·  Evaluate a wide area network (WAN)

    ·  Explain network administration The performance of all elements is to a standard that allows for further learning in this area. 

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 

    The credit value of this unit is based on a person having prior knowledge and skills to:

    ·  Demonstrate an understanding of fundamental mathematics (at least NQF level 3).

    ·  Demonstrate PC competency skills (End-User Computing unit Standards, at least up to NQF level 3.).

    ·  Describe data communications.

    ·  Demonstrate an understanding of local area computer networks, by installing a networked workstation. 

    UNIT STANDARD RANGE 

    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 

    Explain wide area computer networks (WAN`s). 


    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 

    1. The explanation identifies the components of a WAN and outlines their purpose. 

    ASSESSMENT CRITERION RANGE 

    Cables, cards, terminators, connectors, boot ROM, hubs, repeaters, servers. (at least 3).
     

    ASSESSMENT CRITERION 2 

    2. The explanation identifies the purpose of a WAN. 

    ASSESSMENT CRITERION 3 

    3. The explanation identifies and compares WAN configurations. 

    ASSESSMENT CRITERION RANGE 

    Star, Bus, Ring
     

    ASSESSMENT CRITERION 4 

    4. The explanation identifies and compares WAN protocols. 

    ASSESSMENT CRITERION RANGE 

    Ethernet, TCP/IP, SNA
     

    ASSESSMENT CRITERION 5 

    5. The explanation identifies and compares WAN transport media. 

    ASSESSMENT CRITERION RANGE 

    Twisted pair; Coaxial cable; Optic fibre; Wireless (at least 2).
     

    SPECIFIC OUTCOME 2 

    Evaluate a wide area computer network (WAN). 

    OUTCOME RANGE 

    Network must include multiple sites connected via circuit / packet switching. 


    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 

    1. The evaluation identifies the method of implementation of the WAN. 

    ASSESSMENT CRITERION 2 

    2. The evaluation distinguishes categories of the network components, their functions & examples. 

    ASSESSMENT CRITERION RANGE 

    Hardware, software, communications media, carriers.
     

    ASSESSMENT CRITERION 3 

    3. The evaluation identifies and explains features and constraints of the network from a functional perspective. 

    ASSESSMENT CRITERION 4 

    4. The evaluation assesses the suitability of the network for its use. 

    ASSESSMENT CRITERION 5 

    5. The evaluation proposes and compares alternative network designs. 

    SPECIFIC OUTCOME 3 

    Explain Network Administration. 


    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 

    1. The explanation identifies the tasks involved and outlines their requirements. 

    ASSESSMENT CRITERION RANGE 

    Technical control, performance monitoring.
     

    ASSESSMENT CRITERION 2 

    2. The explanation outlines, for a range of factors, how response times are affected. 

    ASSESSMENT CRITERION RANGE 

    Speed of devices, bandwidth, routing, queuing, processing time, priorities at host and nodes, message size.
     

    ASSESSMENT CRITERION 3 

    3. The explanation outlines the principles of network interconnections. 

    ASSESSMENT CRITERION RANGE 

    Inter-network protocols, gateways.
     

    ASSESSMENT CRITERION 4 

    4. The explanation outlines and explains network security administration procedures. 

    ASSESSMENT CRITERION RANGE 

    Generation, encryption, keys, passwords, logs, audits.
     

    ASSESSMENT CRITERION 5 

    5. Network administration documentation is completed. 



  • 114061 PG 1.16 UNIT STANDARD

    1 UNIT STANDARD

     

    All qualifications and part qualifications registered on the National Qualifications Framework are public property. Thus the only payment that can be made for them is for service and reproduction. It is illegal to sell this material for profit. If the material is reproduced or quoted, the South African Qualifications Authority (SAQA) should be acknowledged as the source.

    SOUTH AFRICAN QUALIFICATIONS AUTHORITY 

    REGISTERED UNIT STANDARD: 

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    SAQA US ID

    UNIT STANDARD TITLE

    114061 

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    ORIGINATOR

    SGB Information Systems and Technology 

    PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY

    –  

    FIELD

    SUBFIELD

    Field 10 – Physical, Mathematical, Computer and Life Sciences

    Information Technology and Computer Sciences 

    ABET BAND

    UNIT STANDARD TYPE

    PRE-2009 NQF LEVEL

    NQF LEVEL

    CREDITS

    Undefined 

    Regular 

    Level 5 

    Level TBA: Pre-2009 was L5 

    5 

    REGISTRATION STATUS

    REGISTRATION START DATE

    REGISTRATION END DATE

    SAQA DECISION NUMBER

    Reregistered 

    2015-07-01 

    2018-06-30 

    SAQA 10105/14 

    LAST DATE FOR ENROLMENT

    LAST DATE FOR ACHIEVEMENT

    2019-06-30  

    2022-06-30  

    In all of the tables in this document, both the pre-2009 NQF Level and the NQF Level is shown. In the text (purpose statements, qualification rules, etc), any references to NQF Levels are to the pre-2009 levels unless specifically stated otherwise.  

    This unit standard does not replace any other unit standard and is not replaced by any other unit standard. 

    PURPOSE OF THE UNIT STANDARD 

    This unit standard is intended

    ·  To provide fundamental knowledge of the areas covered

    ·  For those entering the workplace in the area of Data Communications & Networking.

    ·  As additional knowledge for those wanting to understand the areas covered. 

    People credited with this unit standard are able to:

    ·  Explain wide area computer networks (WAN`s)

    ·  Evaluate a wide area network (WAN)

    ·  Explain network administration The performance of all elements is to a standard that allows for further learning in this area. 

    LEARNING ASSUMED TO BE IN PLACE AND RECOGNITION OF PRIOR LEARNING 

    The credit value of this unit is based on a person having prior knowledge and skills to:

    ·  Demonstrate an understanding of fundamental mathematics (at least NQF level 3).

    ·  Demonstrate PC competency skills (End-User Computing unit Standards, at least up to NQF level 3.).

    ·  Describe data communications.

    ·  Demonstrate an understanding of local area computer networks, by installing a networked workstation. 

    UNIT STANDARD RANGE 

    N/A 

    Specific Outcomes and Assessment Criteria: 

    SPECIFIC OUTCOME 1 

    Explain wide area computer networks (WAN`s). 


    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 

    1. The explanation identifies the components of a WAN and outlines their purpose. 

    ASSESSMENT CRITERION RANGE 

    Cables, cards, terminators, connectors, boot ROM, hubs, repeaters, servers. (at least 3).
     

    ASSESSMENT CRITERION 2 

    2. The explanation identifies the purpose of a WAN. 

    ASSESSMENT CRITERION 3 

    3. The explanation identifies and compares WAN configurations. 

    ASSESSMENT CRITERION RANGE 

    Star, Bus, Ring
     

    ASSESSMENT CRITERION 4 

    4. The explanation identifies and compares WAN protocols. 

    ASSESSMENT CRITERION RANGE 

    Ethernet, TCP/IP, SNA
     

    ASSESSMENT CRITERION 5 

    5. The explanation identifies and compares WAN transport media. 

    ASSESSMENT CRITERION RANGE 

    Twisted pair; Coaxial cable; Optic fibre; Wireless (at least 2).
     

    SPECIFIC OUTCOME 2 

    Evaluate a wide area computer network (WAN). 

    OUTCOME RANGE 

    Network must include multiple sites connected via circuit / packet switching. 


    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 

    1. The evaluation identifies the method of implementation of the WAN. 

    ASSESSMENT CRITERION 2 

    2. The evaluation distinguishes categories of the network components, their functions & examples. 

    ASSESSMENT CRITERION RANGE 

    Hardware, software, communications media, carriers.
     

    ASSESSMENT CRITERION 3 

    3. The evaluation identifies and explains features and constraints of the network from a functional perspective. 

    ASSESSMENT CRITERION 4 

    4. The evaluation assesses the suitability of the network for its use. 

    ASSESSMENT CRITERION 5 

    5. The evaluation proposes and compares alternative network designs. 

    SPECIFIC OUTCOME 3 

    Explain Network Administration. 


    ASSESSMENT CRITERIA     

    ASSESSMENT CRITERION 1 

    1. The explanation identifies the tasks involved and outlines their requirements. 

    ASSESSMENT CRITERION RANGE 

    Technical control, performance monitoring.
     

    ASSESSMENT CRITERION 2 

    2. The explanation outlines, for a range of factors, how response times are affected. 

    ASSESSMENT CRITERION RANGE 

    Speed of devices, bandwidth, routing, queuing, processing time, priorities at host and nodes, message size.
     

    ASSESSMENT CRITERION 3 

    3. The explanation outlines the principles of network interconnections. 

    ASSESSMENT CRITERION RANGE 

    Inter-network protocols, gateways.
     

    ASSESSMENT CRITERION 4 

    4. The explanation outlines and explains network security administration procedures. 

    ASSESSMENT CRITERION RANGE 

    Generation, encryption, keys, passwords, logs, audits.
     

    ASSESSMENT CRITERION 5 

    5. Network administration documentation is completed. 



  • 114061 PG 1.15 CANDIDATE APPEAL FORM

     

    Candidate’s Name:

     ID No.

    Assessor’s Name:

    Reg. No.

    Unit Standard Title:     Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    Date:

    SECTION 1

    Candidate’s reason for disagreeing with the assessment decision.

    Assessor’s rationale for the assessment decision.

    Candidate’s signature.

    Assessor’s signature.

    SECTION 2

    Moderator’s decision.

    Moderator’s signature.


  • 114061 PG 1.14 ASSESSMENT REVIEW

    5.4 ASSESSMENT REVIEW

    NAME of LEARNER

    NAME of ASSESSOR

    VENUE

    DATE of REVIEW

    UNIT STANDARD

    Demonstrate an understanding of Wide Area Computer Networks (WAN`s), comparing them with Local Area Networks (LAN`s) 

    Review Dimension

    ASSESSOR

    LEARNER/

    CANDIDATE

    ACTION

    The principles/criteria for good assessment were achieved.

    Agree

    Disagree

    Agree

    Disagree

    The assessment related to the registered unit standard.

    Agree

    Disagree

    Agree

    Disagree

    The assessment was practical.

    Agree

    Disagree

    Agree

    Disagree

    It was time efficient and cost-effective and did not interfere with my normal responsibilities.

    Agree

    Disagree

    Agree

    Disagree

    The assessment instruments were fair, clear and understandable.

    Agree

    Disagree

    Agree

    Disagree

    The assessment judgment was made against set requirements.

    Agree

    Disagree

    Agree

    Disagree

    The venue and equipment was functional.

    Agree

    Disagree

    Agree

    Disagree

    Special needs were identified and the assessment plan was adjusted.

    Agree

    Disagree

    Agree

    Disagree

    Feedback was constructive against the evidence required.

    Agree

    Disagree

    Agree

    Disagree

    An opportunity to appeal was given.

    Agree

    Disagree

    Agree

    Disagree

    The evidence was recorded.

    Agree

    Disagree

    Agree

    Disagree

    LEARNER”S DECLARATION OF UNDERSTANDING

    I am aware of the moderation process and understand that the moderator could declare the assessment decision invalid.

     

     

     

    Learner

    Date

    Assessor

    Date

    Moderator

    Date