Cnit 344 Exam 1 Retake Questions And
And Answers With Verified Solutions
100% Correct!!!
How many wires are required for a patch cable on an ethernet network? -
ANSWER✔✔4
What are the four topologies? - ANSWER✔✔mesh, star, bus, ring
What is the layer that controls transmission, reception, and addressing of frames?
- ANSWER✔✔Data link: CSMA/CD
What is the layer that grants a device permission to transmit over a network? -
ANSWER✔✔Data link: token passing
What is the layer that controls transmission, reception, and addressing of
bitstreams? - ANSWER✔✔Physical
10BaseT is represented by - ANSWER✔✔10/-/-
Gigabit Ethernet is represented by - ANSWER✔✔-/100/-
Fast Ethernet is represented by - ANSWER✔✔-/-/1000
what can this 10/100/100 not do? - ANSWER✔✔token ring
This transmission mode sends one bit at a time - ANSWER✔✔serial
This transmission mode sends multiple bits at a time - ANSWER✔✔parallel
This transmission mode sends bits based on a time - ANSWER✔✔Synchronous
This transmission mode sends bits based on time but has a gap between -
ANSWER✔✔Isochronous
, This transmission mode sends bits based on start and stop signals -
ANSWER✔✔Asynchronous
How is serial different than parallel? - ANSWER✔✔send data over long distances,
nearly all LAN/WAN technologies use this, Ethernet
With Synchronous Data Transmission timing is maintained regardless of presence
of data (T/F) - ANSWER✔✔True
Signaling and network architecture elements are which layers? -
ANSWER✔✔Physical and data link
What is throughput? - ANSWER✔✔Sum of successful packets * avg packet
size/total time to send
Purpose of the twists in twist cabling? - ANSWER✔✔To prevent/reduce noise
What layer has two sub layers - ANSWER✔✔Data link
What are the sub layers? - ANSWER✔✔LLC, MAC
This type of domain is when a host is connected to a switch port -
ANSWER✔✔Collision
This type of domain is when a host is connected to a router and if no router the
default is 0 - ANSWER✔✔Broadcast
What is frequency modulation? - ANSWER✔✔The change of how often a wave
occurs
What is amplitude modulation? - ANSWER✔✔The change of height of a
wavelength
What is phase modulation? - ANSWER✔✔The change of the type of a wavelength
The benefits of buying summaries with Stuvia:
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
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
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 classhub. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.