Browse over 20 million
homework answers & study documents

NTC 360 Terminology Week 3

Type

Homework

Rating

Showing Page:
1/6
Running head: WEEK 3 - TERMINOLOGY 1
Week 3 - Terminology
Paul Harield
NTC/360
June 21, 2010
Ricky Chow

Sign up to view the full document!

lock_open Sign Up
WEEK 3 - TERMINOLOGY 2
Week 3 - Terminology
To ensure proper transfer of data across a network, certain types of methods and mediums
are useful for transferring data. Numerous technologies exist today and make available an array
of networking solutions. Newer and diverse technologies have replaced older technologies with
the most current and dependable instances whereas other technologies still coexist and offer
businesses with numerous networking alternatives.
Synchronous and Asynchronous
Synchronous transfer systems (occurring at regular intervals) block processes until the
operation completes, negotiates communication constraints at the data link layer, synchronizes
both clocks before transmission begins, and resets both clocks and error logs. Some
disadvantages of this system are the possibility of both sides trying to synchronize at the same
time, and the negotiation process takes longer on low error-rate lines. However, this system is
efficient in instances in which a transmission medium could be deemed as unreliable.
Asynchronous systems require no coordination between transmitters and receivers (InetDaemon,
2009). Asynchronous systems transmit data intermittently instead of in a steady stream, and all
components use the same encoding and decoding methods. Asynchronous transmission is often
called “start-stop transmission” because transmission uses a start bit (at the beginning) and stop
bit (at the end) of each piece of data.
Analog and Digital
An analog signal is a continual variable signal. An analog signal will vary and modulate
overtime based on the intensity of the original signal (ICT Technologies, 2009). A weak analog
signal could greatly corrupt a data transmission or slow its progress. On the other hand, a digital
signal has a limited number of steps along its range. Digital signals transmit in binary format and

Sign up to view the full document!

lock_open Sign Up

Sign up to view the full document!

lock_open Sign Up

Anonymous
Return customer, been using sp for a good two years now.

Anonymous
Thanks as always for the good work!

Anonymous
Document I purchased was really helpful. Had answers to help me with my hmw.

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4