100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
Unit 9 Computer Networks P3 P4 £5.49   Add to cart
Quickly navigate to
Preview
  2.  
  3. PEARSON (PEARSON)
  4.  
  5. Information Technology 2010 QCF
  6.  
  7. Unit 9 - Computer Networks

Essay

Unit 9 Computer Networks P3 P4

2 reviews
 912 views  2 purchases

This is what you need to get all marks for unit 9 computer networks p3 and p4. I achieved full marks on the course last year. If you need any help after your purchase I am more than happy to do what I can.

Preview 1 out of 2  pages

Document information

  • October 13, 2018
  • 2
  • 2017/2018
  • Essay
  • Unknown
  • Unknown

Subjects

Written for

All documents for this subject (22)

2  reviews

review-writer-avatar

By: wfcjunjiema069 • 5 year ago

review-writer-avatar

By: Homeworkbear • 5 year ago

Very helpful

Seller

avatar-seller
Computing

Reviews received

Content preview

Unit 9 - Computer Networks
Key Components and Interconnection Devices (P3, P4)

The key components used in networking:
Key components: network devices; interconnecton devices; connectors and cabling; sofware

Network devices: workstatons; servers e.g. print, mail, fle, web, proxy; others e.g. network
interface cards (NIC); features and functons

Interconnecton devices: equipment e.g. router, switch, wireless access points; purposes, features
and functons of each

Connectors and cabling: leased line; dedicated line; media types e.g. STP, Category 5, coaxial, UTP,
fbre optc; wireless; mobile technology; cablecconnecton standards

Sofware: network operatng system; virus checker; frewall; other e.g. email client

Commercial systems: sofware e.g. Mac OSX, Linux, Windows

Typical Network Services (P5)

Telecommunication services:
 communicaton e.g. email, internet relay chat (IRC), discussion boards
 remote access e.g. via mobiles, remote desktop, social networking

File services:
 fle transfer
 fle sharing

Application services:
 applicaton sofware e.g. database, web, proxy
 shared resources e.g. printng, storage space

Voice over IP (VoIP);
 mobile working
 authentcaton e.g. users, hardware

Business Risks and Securing Systems (M3)
Business risks: loss of service; loss of business or income e.g. through loss of customer records;
increased costs; loss of confdentality; compromised data integrity; security issues e.g. malware
(hostle, intrusive, or annoying sofware or program code), viruses, Trojans, worms, spyware, adware

Securing a system: passwords, authorisaton permissions and access control lists; backing up and
restoring; encryptng; others e.g. biometrics; physical security e.g. CCTV, locks, frewalls; security risk
levels; sofware protecton e.g. antvirus, intrusion detecton systems.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Computing. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for £5.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

73918 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now

Start selling
£5.49  2x  sold
  • (2)
  Add to cart